semantic update

Файловое хранилище готово
Передаем на тест
2026-01-26 11:57:36 +03:00 · 2026-01-26 11:08:18 +03:00 · 2026-01-25 18:33:00 +03:00 · 2026-01-24 16:21:43 +03:00 · 2026-01-24 11:26:19 +03:00 · 2026-01-24 11:26:05 +03:00
153 changed files with 93763 additions and 7598 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -59,9 +59,14 @@ Thumbs.db
 *.ps1
 keyring passwords.py
 *github*
-*git*
+
 *tech_spec*
 dashboards
 backend/mappings.db


+backend/tasks.db
+
+# Git Integration repositories
+backend/git_repos/
+backend/backend/git_repos
--- a/.kilocode/rules/specify-rules.md
+++ b/.kilocode/rules/specify-rules.md
@@ -20,6 +20,15 @@ Auto-generated from all feature plans. Last updated: 2025-12-19
 - SQLite (`tasks.db`), JSON (`config.json`) (009-backup-scheduler)
 - Python 3.9+ (Backend), Node.js 18+ (Frontend) + FastAPI, SvelteKit, Tailwind CSS, Pydantic, SQLAlchemy, `superset_tool` (internal lib) (010-refactor-cli-to-web)
 - SQLite (for job history/results, connection configs), Filesystem (for temporary file uploads) (010-refactor-cli-to-web)
+- Python 3.9+ + FastAPI, Pydantic, requests, pyyaml (migrated from superset_tool) (012-remove-superset-tool)
+- SQLite (tasks.db, migrations.db), Filesystem (012-remove-superset-tool)
+- Filesystem (local git repo), SQLite (for GitServerConfig, Environment) (011-git-integration-dashboard)
+- Python 3.9+ (Backend), Node.js 18+ (Frontend) + FastAPI, SvelteKit, GitPython (or CLI git), Pydantic, SQLAlchemy, Superset API (011-git-integration-dashboard)
+- SQLite (for config/history), Filesystem (local Git repositories) (011-git-integration-dashboard)
+- Node.js 18+ (Frontend Build), Svelte 5.x + SvelteKit, Tailwind CSS, `date-fns` (existing) (013-unify-frontend-css)
+- LocalStorage (for language preference) (013-unify-frontend-css)
+- Python 3.9+ (Backend), Node.js 18+ (Frontend) + FastAPI (Backend), SvelteKit (Frontend) (014-file-storage-ui)
+- Local Filesystem (for artifacts), Config (for storage path) (014-file-storage-ui)

 - Python 3.9+ (Backend), Node.js 18+ (Frontend Build) (001-plugin-arch-svelte-ui)

@@ -40,9 +49,9 @@ cd src; pytest; ruff check .
 Python 3.9+ (Backend), Node.js 18+ (Frontend Build): Follow standard conventions

 ## Recent Changes
- 010-refactor-cli-to-web: Added Python 3.9+ (Backend), Node.js 18+ (Frontend) + FastAPI, SvelteKit, Tailwind CSS, Pydantic, SQLAlchemy, `superset_tool` (internal lib)
- 009-backup-scheduler: Added Python 3.9+, Node.js 18+ + FastAPI, APScheduler, SQLAlchemy, SvelteKit, Tailwind CSS
- 009-backup-scheduler: Added Python 3.9+, Node.js 18+ + FastAPI, APScheduler, SQLAlchemy, SvelteKit, Tailwind CSS
+- 014-file-storage-ui: Added Python 3.9+ (Backend), Node.js 18+ (Frontend) + FastAPI (Backend), SvelteKit (Frontend)
+- 013-unify-frontend-css: Added Node.js 18+ (Frontend Build), Svelte 5.x + SvelteKit, Tailwind CSS, `date-fns` (existing)
+- 011-git-integration-dashboard: Added Python 3.9+ (Backend), Node.js 18+ (Frontend) + FastAPI, SvelteKit, GitPython (or CLI git), Pydantic, SQLAlchemy, Superset API


 <!-- MANUAL ADDITIONS START -->
--- a/backend/backend/git_repos/12
+++ b/backend/backend/git_repos/12
--- a/backend/backups/Logs/superset_tool_20251220.log
+++ b/backend/backups/Logs/superset_tool_20251220.log
@@ -1,269 +0,0 @@
-2025-12-20 19:55:11,325 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 19:55:11,325 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 19:55:11,327 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 43, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 21:01:49,905 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 21:01:49,906 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 21:01:49,988 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 21:01:49,990 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 22:42:32,538 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 22:42:32,538 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 22:42:32,583 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 22:42:32,587 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 22:54:29,770 - INFO - [BackupPlugin][Entry] Starting backup for .
-2025-12-20 22:54:29,771 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 22:54:29,831 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 22:54:29,833 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 22:54:34,078 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 22:54:34,078 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 22:54:34,079 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 22:54:34,079 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 22:59:25,060 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 22:59:25,060 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 22:59:25,114 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 22:59:25,117 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 23:00:31,156 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 23:00:31,156 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 23:00:31,157 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 23:00:31,162 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 23:00:34,710 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 23:00:34,710 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 23:00:34,710 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 23:00:34,711 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 23:01:43,894 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 23:01:43,894 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 23:01:43,895 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 23:01:43,895 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 23:04:07,731 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 23:04:07,731 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 23:04:07,732 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 23:04:07,732 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 23:06:39,641 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 23:06:39,642 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 23:06:39,687 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 23:06:39,689 - CRITICAL - [setup_clients][Failure] Critical error during client initialization: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-Traceback (most recent call last):
-  File "/home/user/ss-tools/superset_tool/utils/init_clients.py", line 66, in setup_clients
-    config = SupersetConfig(
-             ^^^^^^^^^^^^^^^
-  File "/home/user/ss-tools/backend/.venv/lib/python3.12/site-packages/pydantic/main.py", line 250, in __init__
-    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
-                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-pydantic_core._pydantic_core.ValidationError: 1 validation error for SupersetConfig
-base_url
-  Value error, Invalid URL format: https://superset.bebesh.ru. Must include '/api/v1'. [type=value_error, input_value='https://superset.bebesh.ru', input_type=str]
-    For further information visit https://errors.pydantic.dev/2.12/v/value_error
-2025-12-20 23:30:36,090 - INFO - [BackupPlugin][Entry] Starting backup for superset.
-2025-12-20 23:30:36,093 - INFO - [setup_clients][Enter] Starting Superset clients initialization.
-2025-12-20 23:30:36,128 - INFO - [setup_clients][Action] Loading environments from ConfigManager
-2025-12-20 23:30:36,129 - INFO - [SupersetClient.__init__][Enter] Initializing SupersetClient.
-2025-12-20 23:30:36,129 - INFO - [APIClient.__init__][Entry] Initializing APIClient.
-2025-12-20 23:30:36,130 - WARNING - [_init_session][State] SSL verification disabled.
-2025-12-20 23:30:36,130 - INFO - [APIClient.__init__][Exit] APIClient initialized.
-2025-12-20 23:30:36,130 - INFO - [SupersetClient.__init__][Exit] SupersetClient initialized.
-2025-12-20 23:30:36,130 - INFO - [get_dashboards][Enter] Fetching dashboards.
-2025-12-20 23:30:36,131 - INFO - [authenticate][Enter] Authenticating to https://superset.bebesh.ru/api/v1
-2025-12-20 23:30:36,897 - INFO - [authenticate][Exit] Authenticated successfully.
-2025-12-20 23:30:37,527 - INFO - [get_dashboards][Exit] Found 11 dashboards.
-2025-12-20 23:30:37,527 - INFO - [BackupPlugin][Progress] Found 11 dashboards to export in superset.
-2025-12-20 23:30:37,529 - INFO - [export_dashboard][Enter] Exporting dashboard 11.
-2025-12-20 23:30:38,224 - INFO - [export_dashboard][Exit] Exported dashboard 11 to dashboard_export_20251220T203037.zip.
-2025-12-20 23:30:38,225 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:38,226 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/FCC New Coder Survey 2018/dashboard_export_20251220T203037.zip
-2025-12-20 23:30:38,227 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/FCC New Coder Survey 2018
-2025-12-20 23:30:38,230 - INFO - [export_dashboard][Enter] Exporting dashboard 10.
-2025-12-20 23:30:38,438 - INFO - [export_dashboard][Exit] Exported dashboard 10 to dashboard_export_20251220T203038.zip.
-2025-12-20 23:30:38,438 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:38,439 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/COVID Vaccine Dashboard/dashboard_export_20251220T203038.zip
-2025-12-20 23:30:38,439 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/COVID Vaccine Dashboard
-2025-12-20 23:30:38,440 - INFO - [export_dashboard][Enter] Exporting dashboard 9.
-2025-12-20 23:30:38,853 - INFO - [export_dashboard][Exit] Exported dashboard 9 to dashboard_export_20251220T203038.zip.
-2025-12-20 23:30:38,853 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:38,856 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/Sales Dashboard/dashboard_export_20251220T203038.zip
-2025-12-20 23:30:38,856 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/Sales Dashboard
-2025-12-20 23:30:38,858 - INFO - [export_dashboard][Enter] Exporting dashboard 8.
-2025-12-20 23:30:38,939 - INFO - [export_dashboard][Exit] Exported dashboard 8 to dashboard_export_20251220T203038.zip.
-2025-12-20 23:30:38,940 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:38,941 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/Unicode Test/dashboard_export_20251220T203038.zip
-2025-12-20 23:30:38,941 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/Unicode Test
-2025-12-20 23:30:38,942 - INFO - [export_dashboard][Enter] Exporting dashboard 7.
-2025-12-20 23:30:39,148 - INFO - [export_dashboard][Exit] Exported dashboard 7 to dashboard_export_20251220T203038.zip.
-2025-12-20 23:30:39,148 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:39,149 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/Video Game Sales/dashboard_export_20251220T203038.zip
-2025-12-20 23:30:39,149 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/Video Game Sales
-2025-12-20 23:30:39,150 - INFO - [export_dashboard][Enter] Exporting dashboard 6.
-2025-12-20 23:30:39,689 - INFO - [export_dashboard][Exit] Exported dashboard 6 to dashboard_export_20251220T203039.zip.
-2025-12-20 23:30:39,689 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:39,690 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/Featured Charts/dashboard_export_20251220T203039.zip
-2025-12-20 23:30:39,691 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/Featured Charts
-2025-12-20 23:30:39,692 - INFO - [export_dashboard][Enter] Exporting dashboard 5.
-2025-12-20 23:30:39,960 - INFO - [export_dashboard][Exit] Exported dashboard 5 to dashboard_export_20251220T203039.zip.
-2025-12-20 23:30:39,960 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:39,961 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/Slack Dashboard/dashboard_export_20251220T203039.zip
-2025-12-20 23:30:39,961 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/Slack Dashboard
-2025-12-20 23:30:39,962 - INFO - [export_dashboard][Enter] Exporting dashboard 4.
-2025-12-20 23:30:40,196 - INFO - [export_dashboard][Exit] Exported dashboard 4 to dashboard_export_20251220T203039.zip.
-2025-12-20 23:30:40,196 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:40,197 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/deck.gl Demo/dashboard_export_20251220T203039.zip
-2025-12-20 23:30:40,197 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/deck.gl Demo
-2025-12-20 23:30:40,198 - INFO - [export_dashboard][Enter] Exporting dashboard 3.
-2025-12-20 23:30:40,745 - INFO - [export_dashboard][Exit] Exported dashboard 3 to dashboard_export_20251220T203040.zip.
-2025-12-20 23:30:40,746 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:40,760 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/Misc Charts/dashboard_export_20251220T203040.zip
-2025-12-20 23:30:40,761 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/Misc Charts
-2025-12-20 23:30:40,762 - INFO - [export_dashboard][Enter] Exporting dashboard 2.
-2025-12-20 23:30:40,928 - INFO - [export_dashboard][Exit] Exported dashboard 2 to dashboard_export_20251220T203040.zip.
-2025-12-20 23:30:40,929 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:40,930 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/USA Births Names/dashboard_export_20251220T203040.zip
-2025-12-20 23:30:40,931 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/USA Births Names
-2025-12-20 23:30:40,932 - INFO - [export_dashboard][Enter] Exporting dashboard 1.
-2025-12-20 23:30:41,582 - INFO - [export_dashboard][Exit] Exported dashboard 1 to dashboard_export_20251220T203040.zip.
-2025-12-20 23:30:41,582 - INFO - [save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: False
-2025-12-20 23:30:41,749 - INFO - [save_and_unpack_dashboard][State] Dashboard saved to: backups/SUPERSET/World Bank's Data/dashboard_export_20251220T203040.zip
-2025-12-20 23:30:41,750 - INFO - [archive_exports][Enter] Managing archive in backups/SUPERSET/World Bank's Data
-2025-12-20 23:30:41,752 - INFO - [consolidate_archive_folders][Enter] Consolidating archives in backups/SUPERSET
-2025-12-20 23:30:41,753 - INFO - [remove_empty_directories][Enter] Starting cleanup of empty directories in backups/SUPERSET
-2025-12-20 23:30:41,758 - INFO - [remove_empty_directories][Exit] Removed 0 empty directories.
-2025-12-20 23:30:41,758 - INFO - [BackupPlugin][CoherenceCheck:Passed] Backup logic completed for superset.
--- a/Dashboard/dashboard_export_20251220T203038.zip
+++ b/Dashboard/dashboard_export_20251220T203038.zip
--- a/2018/dashboard_export_20251220T203037.zip
+++ b/2018/dashboard_export_20251220T203037.zip
--- a/Charts/dashboard_export_20251220T203039.zip
+++ b/Charts/dashboard_export_20251220T203039.zip
--- a/Charts/dashboard_export_20251220T203040.zip
+++ b/Charts/dashboard_export_20251220T203040.zip
--- a/Dashboard/dashboard_export_20251220T203038.zip
+++ b/Dashboard/dashboard_export_20251220T203038.zip
--- a/Dashboard/dashboard_export_20251220T203039.zip
+++ b/Dashboard/dashboard_export_20251220T203039.zip
--- a/Names/dashboard_export_20251220T203040.zip
+++ b/Names/dashboard_export_20251220T203040.zip
--- a/Test/dashboard_export_20251220T203038.zip
+++ b/Test/dashboard_export_20251220T203038.zip
--- a/Sales/dashboard_export_20251220T203038.zip
+++ b/Sales/dashboard_export_20251220T203038.zip
--- a/Data/dashboard_export_20251220T203040.zip
+++ b/Data/dashboard_export_20251220T203040.zip
--- a/Demo/dashboard_export_20251220T203039.zip
+++ b/Demo/dashboard_export_20251220T203039.zip
--- a/backend/delete_running_tasks.py
+++ b/backend/delete_running_tasks.py
@@ -1,10 +1,17 @@
 #!/usr/bin/env python3
-"""Script to delete tasks with RUNNING status from the database."""
+# [DEF:backend.delete_running_tasks:Module]
+# @PURPOSE: Script to delete tasks with RUNNING status from the database.
+# @LAYER: Utility
+# @SEMANTICS: maintenance, database, cleanup

 from sqlalchemy.orm import Session
 from src.core.database import TasksSessionLocal
 from src.models.task import TaskRecord

+# [DEF:delete_running_tasks:Function]
+# @PURPOSE: Delete all tasks with RUNNING status from the database.
+# @PRE: Database is accessible and TaskRecord model is defined.
+# @POST: All tasks with status 'RUNNING' are removed from the database.
 def delete_running_tasks():
    """Delete all tasks with RUNNING status from the database."""
    session: Session = TasksSessionLocal()
@@ -30,6 +37,8 @@ def delete_running_tasks():
        print(f"Error deleting tasks: {e}")
    finally:
        session.close()
+# [/DEF:delete_running_tasks:Function]

 if __name__ == "__main__":
    delete_running_tasks()
+# [/DEF:backend.delete_running_tasks:Module]
--- a/backend/logs/app.log.1
+++ b/backend/logs/app.log.1
--- a/backend/mappings.db
+++ b/backend/mappings.db
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -43,3 +43,5 @@ uvicorn==0.38.0
 websockets==15.0.1
 pandas
 psycopg2-binary
+openpyxl
+GitPython==3.1.44
--- a/backend/src/api/routes/init.py
+++ b/backend/src/api/routes/init.py
@@ -1 +1 @@
-from . import plugins, tasks, settings, connections
+from . import plugins, tasks, settings, connections, environments, mappings, migration, git, storage
--- a/backend/src/api/routes/environments.py
+++ b/backend/src/api/routes/environments.py
@@ -11,12 +11,11 @@
 # [SECTION: IMPORTS]
 from fastapi import APIRouter, Depends, HTTPException
 from typing import List, Dict, Optional
-from backend.src.dependencies import get_config_manager, get_scheduler_service
-from backend.src.core.superset_client import SupersetClient
-from superset_tool.models import SupersetConfig
+from ...dependencies import get_config_manager, get_scheduler_service
+from ...core.superset_client import SupersetClient
 from pydantic import BaseModel, Field
-from backend.src.core.config_models import Environment as EnvModel
-from backend.src.core.logger import belief_scope
+from ...core.config_models import Environment as EnvModel
+from ...core.logger import belief_scope
 # [/SECTION]

 router = APIRouter()
@@ -62,7 +61,7 @@ async def get_environments(config_manager=Depends(get_config_manager)):
            backup_schedule=ScheduleSchema(
                enabled=e.backup_schedule.enabled,
                cron_expression=e.backup_schedule.cron_expression
-            ) if e.backup_schedule else None
+            ) if getattr(e, 'backup_schedule', None) else None
        ) for e in envs
    ]
 # [/DEF:get_environments:Function]
@@ -114,18 +113,7 @@ async def get_environment_databases(id: str, config_manager=Depends(get_config_m
    
    try:
        # Initialize SupersetClient from environment config
-        # Note: We need to map Environment model to SupersetConfig
-        superset_config = SupersetConfig(
-            env=env.name,
-            base_url=env.url,
-            auth={
-                "provider": "db", # Defaulting to db provider
-                "username": env.username,
-                "password": env.password,
-                "refresh": "false"
-            }
-        )
-        client = SupersetClient(superset_config)
+        client = SupersetClient(env)
        return client.get_databases_summary()
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Failed to fetch databases: {str(e)}")
--- a/backend/src/api/routes/git.py
+++ b/backend/src/api/routes/git.py
@@ -0,0 +1,337 @@
+# [DEF:backend.src.api.routes.git:Module]
+#
+# @SEMANTICS: git, routes, api, fastapi, repository, deployment
+# @PURPOSE:   Provides FastAPI endpoints for Git integration operations.
+# @LAYER:     API
+# @RELATION:  USES -> src.services.git_service.GitService
+# @RELATION:  USES -> src.api.routes.git_schemas
+# @RELATION:  USES -> src.models.git
+#
+# @INVARIANT: All Git operations must be routed through GitService.
+
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List, Optional
+import typing
+from src.dependencies import get_config_manager
+from src.core.database import get_db
+from src.models.git import GitServerConfig, GitStatus, DeploymentEnvironment, GitRepository
+from src.api.routes.git_schemas import (
+    GitServerConfigSchema, GitServerConfigCreate,
+    GitRepositorySchema, BranchSchema, BranchCreate,
+    BranchCheckout, CommitSchema, CommitCreate,
+    DeploymentEnvironmentSchema, DeployRequest, RepoInitRequest
+)
+from src.services.git_service import GitService
+from src.core.logger import logger, belief_scope
+
+router = APIRouter(prefix="/api/git", tags=["git"])
+git_service = GitService()
+
+# [DEF:get_git_configs:Function]
+# @PURPOSE: List all configured Git servers.
+# @PRE: Database session `db` is available.
+# @POST: Returns a list of all GitServerConfig objects from the database.
+# @RETURN: List[GitServerConfigSchema]
+@router.get("/config", response_model=List[GitServerConfigSchema])
+async def get_git_configs(db: Session = Depends(get_db)):
+    with belief_scope("get_git_configs"):
+        return db.query(GitServerConfig).all()
+# [/DEF:get_git_configs:Function]
+
+# [DEF:create_git_config:Function]
+# @PURPOSE: Register a new Git server configuration.
+# @PRE: `config` contains valid GitServerConfigCreate data.
+# @POST: A new GitServerConfig record is created in the database.
+# @PARAM: config (GitServerConfigCreate)
+# @RETURN: GitServerConfigSchema
+@router.post("/config", response_model=GitServerConfigSchema)
+async def create_git_config(config: GitServerConfigCreate, db: Session = Depends(get_db)):
+    with belief_scope("create_git_config"):
+        db_config = GitServerConfig(**config.dict())
+        db.add(db_config)
+        db.commit()
+        db.refresh(db_config)
+        return db_config
+# [/DEF:create_git_config:Function]
+
+# [DEF:delete_git_config:Function]
+# @PURPOSE: Remove a Git server configuration.
+# @PRE: `config_id` corresponds to an existing configuration.
+# @POST: The configuration record is removed from the database.
+# @PARAM: config_id (str)
+@router.delete("/config/{config_id}")
+async def delete_git_config(config_id: str, db: Session = Depends(get_db)):
+    with belief_scope("delete_git_config"):
+        db_config = db.query(GitServerConfig).filter(GitServerConfig.id == config_id).first()
+        if not db_config:
+            raise HTTPException(status_code=404, detail="Configuration not found")
+        
+        db.delete(db_config)
+        db.commit()
+        return {"status": "success", "message": "Configuration deleted"}
+# [/DEF:delete_git_config:Function]
+
+# [DEF:test_git_config:Function]
+# @PURPOSE: Validate connection to a Git server using provided credentials.
+# @PRE: `config` contains provider, url, and pat.
+# @POST: Returns success if the connection is validated via GitService.
+# @PARAM: config (GitServerConfigCreate)
+@router.post("/config/test")
+async def test_git_config(config: GitServerConfigCreate):
+    with belief_scope("test_git_config"):
+        success = await git_service.test_connection(config.provider, config.url, config.pat)
+        if success:
+            return {"status": "success", "message": "Connection successful"}
+        else:
+            raise HTTPException(status_code=400, detail="Connection failed")
+# [/DEF:test_git_config:Function]
+
+# [DEF:init_repository:Function]
+# @PURPOSE: Link a dashboard to a Git repository and perform initial clone/init.
+# @PRE: `dashboard_id` exists and `init_data` contains valid config_id and remote_url.
+# @POST: Repository is initialized on disk and a GitRepository record is saved in DB.
+# @PARAM: dashboard_id (int)
+# @PARAM: init_data (RepoInitRequest)
+@router.post("/repositories/{dashboard_id}/init")
+async def init_repository(dashboard_id: int, init_data: RepoInitRequest, db: Session = Depends(get_db)):
+    with belief_scope("init_repository"):
+        # 1. Get config
+        config = db.query(GitServerConfig).filter(GitServerConfig.id == init_data.config_id).first()
+        if not config:
+            raise HTTPException(status_code=404, detail="Git configuration not found")
+        
+        try:
+            # 2. Perform Git clone/init
+            logger.info(f"[init_repository][Action] Initializing repo for dashboard {dashboard_id}")
+            git_service.init_repo(dashboard_id, init_data.remote_url, config.pat)
+            
+            # 3. Save to DB
+            repo_path = git_service._get_repo_path(dashboard_id)
+            db_repo = db.query(GitRepository).filter(GitRepository.dashboard_id == dashboard_id).first()
+            if not db_repo:
+                db_repo = GitRepository(
+                    dashboard_id=dashboard_id,
+                    config_id=config.id,
+                    remote_url=init_data.remote_url,
+                    local_path=repo_path
+                )
+                db.add(db_repo)
+            else:
+                db_repo.config_id = config.id
+                db_repo.remote_url = init_data.remote_url
+                db_repo.local_path = repo_path
+            
+            db.commit()
+            logger.info(f"[init_repository][Coherence:OK] Repository initialized for dashboard {dashboard_id}")
+            return {"status": "success", "message": "Repository initialized"}
+        except Exception as e:
+            db.rollback()
+            logger.error(f"[init_repository][Coherence:Failed] Failed to init repository: {e}")
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:init_repository:Function]
+
+# [DEF:get_branches:Function]
+# @PURPOSE: List all branches for a dashboard's repository.
+# @PRE: Repository for `dashboard_id` is initialized.
+# @POST: Returns a list of branches from the local repository.
+# @PARAM: dashboard_id (int)
+# @RETURN: List[BranchSchema]
+@router.get("/repositories/{dashboard_id}/branches", response_model=List[BranchSchema])
+async def get_branches(dashboard_id: int):
+    with belief_scope("get_branches"):
+        try:
+            return git_service.list_branches(dashboard_id)
+        except Exception as e:
+            raise HTTPException(status_code=404, detail=str(e))
+# [/DEF:get_branches:Function]
+
+# [DEF:create_branch:Function]
+# @PURPOSE: Create a new branch in the dashboard's repository.
+# @PRE: `dashboard_id` repository exists and `branch_data` has name and from_branch.
+# @POST: A new branch is created in the local repository.
+# @PARAM: dashboard_id (int)
+# @PARAM: branch_data (BranchCreate)
+@router.post("/repositories/{dashboard_id}/branches")
+async def create_branch(dashboard_id: int, branch_data: BranchCreate):
+    with belief_scope("create_branch"):
+        try:
+            git_service.create_branch(dashboard_id, branch_data.name, branch_data.from_branch)
+            return {"status": "success"}
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:create_branch:Function]
+
+# [DEF:checkout_branch:Function]
+# @PURPOSE: Switch the dashboard's repository to a specific branch.
+# @PRE: `dashboard_id` repository exists and branch `checkout_data.name` exists.
+# @POST: The local repository HEAD is moved to the specified branch.
+# @PARAM: dashboard_id (int)
+# @PARAM: checkout_data (BranchCheckout)
+@router.post("/repositories/{dashboard_id}/checkout")
+async def checkout_branch(dashboard_id: int, checkout_data: BranchCheckout):
+    with belief_scope("checkout_branch"):
+        try:
+            git_service.checkout_branch(dashboard_id, checkout_data.name)
+            return {"status": "success"}
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:checkout_branch:Function]
+
+# [DEF:commit_changes:Function]
+# @PURPOSE: Stage and commit changes in the dashboard's repository.
+# @PRE: `dashboard_id` repository exists and `commit_data` has message and files.
+# @POST: Specified files are staged and a new commit is created.
+# @PARAM: dashboard_id (int)
+# @PARAM: commit_data (CommitCreate)
+@router.post("/repositories/{dashboard_id}/commit")
+async def commit_changes(dashboard_id: int, commit_data: CommitCreate):
+    with belief_scope("commit_changes"):
+        try:
+            git_service.commit_changes(dashboard_id, commit_data.message, commit_data.files)
+            return {"status": "success"}
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:commit_changes:Function]
+
+# [DEF:push_changes:Function]
+# @PURPOSE: Push local commits to the remote repository.
+# @PRE: `dashboard_id` repository exists and has a remote configured.
+# @POST: Local commits are pushed to the remote repository.
+# @PARAM: dashboard_id (int)
+@router.post("/repositories/{dashboard_id}/push")
+async def push_changes(dashboard_id: int):
+    with belief_scope("push_changes"):
+        try:
+            git_service.push_changes(dashboard_id)
+            return {"status": "success"}
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:push_changes:Function]
+
+# [DEF:pull_changes:Function]
+# @PURPOSE: Pull changes from the remote repository.
+# @PRE: `dashboard_id` repository exists and has a remote configured.
+# @POST: Remote changes are fetched and merged into the local branch.
+# @PARAM: dashboard_id (int)
+@router.post("/repositories/{dashboard_id}/pull")
+async def pull_changes(dashboard_id: int):
+    with belief_scope("pull_changes"):
+        try:
+            git_service.pull_changes(dashboard_id)
+            return {"status": "success"}
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:pull_changes:Function]
+
+# [DEF:sync_dashboard:Function]
+# @PURPOSE: Sync dashboard state from Superset to Git using the GitPlugin.
+# @PRE: `dashboard_id` is valid; GitPlugin is available.
+# @POST: Dashboard YAMLs are exported from Superset and committed to Git.
+# @PARAM: dashboard_id (int)
+# @PARAM: source_env_id (Optional[str])
+@router.post("/repositories/{dashboard_id}/sync")
+async def sync_dashboard(dashboard_id: int, source_env_id: typing.Optional[str] = None):
+    with belief_scope("sync_dashboard"):
+        try:
+            from src.plugins.git_plugin import GitPlugin
+            plugin = GitPlugin()
+            return await plugin.execute({
+                "operation": "sync",
+                "dashboard_id": dashboard_id,
+                "source_env_id": source_env_id
+            })
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:sync_dashboard:Function]
+
+# [DEF:get_environments:Function]
+# @PURPOSE: List all deployment environments.
+# @PRE: Config manager is accessible.
+# @POST: Returns a list of DeploymentEnvironmentSchema objects.
+# @RETURN: List[DeploymentEnvironmentSchema]
+@router.get("/environments", response_model=List[DeploymentEnvironmentSchema])
+async def get_environments(config_manager=Depends(get_config_manager)):
+    with belief_scope("get_environments"):
+        envs = config_manager.get_environments()
+        return [
+            DeploymentEnvironmentSchema(
+                id=e.id,
+                name=e.name,
+                superset_url=e.url,
+                is_active=True
+            ) for e in envs
+        ]
+# [/DEF:get_environments:Function]
+
+# [DEF:deploy_dashboard:Function]
+# @PURPOSE: Deploy dashboard from Git to a target environment.
+# @PRE: `dashboard_id` and `deploy_data.environment_id` are valid.
+# @POST: Dashboard YAMLs are read from Git and imported into the target Superset.
+# @PARAM: dashboard_id (int)
+# @PARAM: deploy_data (DeployRequest)
+@router.post("/repositories/{dashboard_id}/deploy")
+async def deploy_dashboard(dashboard_id: int, deploy_data: DeployRequest):
+    with belief_scope("deploy_dashboard"):
+        try:
+            from src.plugins.git_plugin import GitPlugin
+            plugin = GitPlugin()
+            return await plugin.execute({
+                "operation": "deploy", 
+                "dashboard_id": dashboard_id,
+                "environment_id": deploy_data.environment_id
+            })
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:deploy_dashboard:Function]
+
+# [DEF:get_history:Function]
+# @PURPOSE: View commit history for a dashboard's repository.
+# @PRE: `dashboard_id` repository exists.
+# @POST: Returns a list of recent commits from the repository.
+# @PARAM: dashboard_id (int)
+# @PARAM: limit (int)
+# @RETURN: List[CommitSchema]
+@router.get("/repositories/{dashboard_id}/history", response_model=List[CommitSchema])
+async def get_history(dashboard_id: int, limit: int = 50):
+    with belief_scope("get_history"):
+        try:
+            return git_service.get_commit_history(dashboard_id, limit)
+        except Exception as e:
+            raise HTTPException(status_code=404, detail=str(e))
+# [/DEF:get_history:Function]
+
+# [DEF:get_repository_status:Function]
+# @PURPOSE: Get current Git status for a dashboard repository.
+# @PRE: `dashboard_id` repository exists.
+# @POST: Returns the status of the working directory (staged, unstaged, untracked).
+# @PARAM: dashboard_id (int)
+# @RETURN: dict
+@router.get("/repositories/{dashboard_id}/status")
+async def get_repository_status(dashboard_id: int):
+    with belief_scope("get_repository_status"):
+        try:
+            return git_service.get_status(dashboard_id)
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:get_repository_status:Function]
+
+# [DEF:get_repository_diff:Function]
+# @PURPOSE: Get Git diff for a dashboard repository.
+# @PRE: `dashboard_id` repository exists.
+# @POST: Returns the diff text for the specified file or all changes.
+# @PARAM: dashboard_id (int)
+# @PARAM: file_path (Optional[str])
+# @PARAM: staged (bool)
+# @RETURN: str
+@router.get("/repositories/{dashboard_id}/diff")
+async def get_repository_diff(dashboard_id: int, file_path: Optional[str] = None, staged: bool = False):
+    with belief_scope("get_repository_diff"):
+        try:
+            diff_text = git_service.get_diff(dashboard_id, file_path, staged)
+            return diff_text
+        except Exception as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:get_repository_diff:Function]
+
+# [/DEF:backend.src.api.routes.git:Module]
--- a/backend/src/api/routes/git_schemas.py
+++ b/backend/src/api/routes/git_schemas.py
@@ -0,0 +1,143 @@
+# [DEF:backend.src.api.routes.git_schemas:Module]
+#
+# @SEMANTICS: git, schemas, pydantic, api, contracts
+# @PURPOSE:   Defines Pydantic models for the Git integration API layer.
+# @LAYER:     API
+# @RELATION:  DEPENDS_ON -> backend.src.models.git
+#
+# @INVARIANT: All schemas must be compatible with the FastAPI router.
+
+from pydantic import BaseModel, Field
+from typing import List, Optional
+from datetime import datetime
+from uuid import UUID
+from src.models.git import GitProvider, GitStatus, SyncStatus
+
+# [DEF:GitServerConfigBase:Class]
+# @PURPOSE: Base schema for Git server configuration attributes.
+class GitServerConfigBase(BaseModel):
+    name: str = Field(..., description="Display name for the Git server")
+    provider: GitProvider = Field(..., description="Git provider (GITHUB, GITLAB, GITEA)")
+    url: str = Field(..., description="Server base URL")
+    pat: str = Field(..., description="Personal Access Token")
+    default_repository: Optional[str] = Field(None, description="Default repository path (org/repo)")
+# [/DEF:GitServerConfigBase:Class]
+
+# [DEF:GitServerConfigCreate:Class]
+# @PURPOSE: Schema for creating a new Git server configuration.
+class GitServerConfigCreate(GitServerConfigBase):
+    """Schema for creating a new Git server configuration."""
+    pass
+# [/DEF:GitServerConfigCreate:Class]
+
+# [DEF:GitServerConfigSchema:Class]
+# @PURPOSE: Schema for representing a Git server configuration with metadata.
+class GitServerConfigSchema(GitServerConfigBase):
+    """Schema for representing a Git server configuration with metadata."""
+    id: str
+    status: GitStatus
+    last_validated: datetime
+
+    class Config:
+        from_attributes = True
+# [/DEF:GitServerConfigSchema:Class]
+
+# [DEF:GitRepositorySchema:Class]
+# @PURPOSE: Schema for tracking a local Git repository linked to a dashboard.
+class GitRepositorySchema(BaseModel):
+    """Schema for tracking a local Git repository linked to a dashboard."""
+    id: str
+    dashboard_id: int
+    config_id: str
+    remote_url: str
+    local_path: str
+    current_branch: str
+    sync_status: SyncStatus
+
+    class Config:
+        from_attributes = True
+# [/DEF:GitRepositorySchema:Class]
+
+# [DEF:BranchSchema:Class]
+# @PURPOSE: Schema for representing a Git branch metadata.
+class BranchSchema(BaseModel):
+    """Schema for representing a Git branch."""
+    name: str
+    commit_hash: str
+    is_remote: bool
+    last_updated: datetime
+# [/DEF:BranchSchema:Class]
+
+# [DEF:CommitSchema:Class]
+# @PURPOSE: Schema for representing Git commit details.
+class CommitSchema(BaseModel):
+    """Schema for representing a Git commit."""
+    hash: str
+    author: str
+    email: str
+    timestamp: datetime
+    message: str
+    files_changed: List[str]
+# [/DEF:CommitSchema:Class]
+
+# [DEF:BranchCreate:Class]
+# @PURPOSE: Schema for branch creation requests.
+class BranchCreate(BaseModel):
+    """Schema for branch creation requests."""
+    name: str
+    from_branch: str
+# [/DEF:BranchCreate:Class]
+
+# [DEF:BranchCheckout:Class]
+# @PURPOSE: Schema for branch checkout requests.
+class BranchCheckout(BaseModel):
+    """Schema for branch checkout requests."""
+    name: str
+# [/DEF:BranchCheckout:Class]
+
+# [DEF:CommitCreate:Class]
+# @PURPOSE: Schema for staging and committing changes.
+class CommitCreate(BaseModel):
+    """Schema for staging and committing changes."""
+    message: str
+    files: List[str]
+# [/DEF:CommitCreate:Class]
+
+# [DEF:ConflictResolution:Class]
+# @PURPOSE: Schema for resolving merge conflicts.
+class ConflictResolution(BaseModel):
+    """Schema for resolving merge conflicts."""
+    file_path: str
+    resolution: str = Field(pattern="^(mine|theirs|manual)$")
+    content: Optional[str] = None
+# [/DEF:ConflictResolution:Class]
+
+# [DEF:DeploymentEnvironmentSchema:Class]
+# @PURPOSE: Schema for representing a target deployment environment.
+class DeploymentEnvironmentSchema(BaseModel):
+    """Schema for representing a target deployment environment."""
+    id: str
+    name: str
+    superset_url: str
+    is_active: bool
+
+    class Config:
+        from_attributes = True
+# [/DEF:DeploymentEnvironmentSchema:Class]
+
+# [DEF:DeployRequest:Class]
+# @PURPOSE: Schema for dashboard deployment requests.
+class DeployRequest(BaseModel):
+    """Schema for deployment requests."""
+    environment_id: str
+# [/DEF:DeployRequest:Class]
+
+# [DEF:RepoInitRequest:Class]
+# @PURPOSE: Schema for repository initialization requests.
+class RepoInitRequest(BaseModel):
+    """Schema for repository initialization requests."""
+    config_id: str
+    remote_url: str
+# [/DEF:RepoInitRequest:Class]
+
+# [/DEF:backend.src.api.routes.git_schemas:Module]
--- a/backend/src/api/routes/mappings.py
+++ b/backend/src/api/routes/mappings.py
@@ -13,9 +13,10 @@
 from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy.orm import Session
 from typing import List, Optional
-from backend.src.dependencies import get_config_manager
-from backend.src.core.database import get_db
-from backend.src.models.mapping import DatabaseMapping
+from ...core.logger import belief_scope
+from ...dependencies import get_config_manager
+from ...core.database import get_db
+from ...models.mapping import DatabaseMapping
 from pydantic import BaseModel
 # [/SECTION]

--- a/backend/src/api/routes/migration.py
+++ b/backend/src/api/routes/migration.py
@@ -7,10 +7,10 @@

 from fastapi import APIRouter, Depends, HTTPException
 from typing import List, Dict
-from backend.src.dependencies import get_config_manager, get_task_manager
-from backend.src.models.dashboard import DashboardMetadata, DashboardSelection
-from backend.src.core.superset_client import SupersetClient
-from superset_tool.models import SupersetConfig
+from ...dependencies import get_config_manager, get_task_manager
+from ...models.dashboard import DashboardMetadata, DashboardSelection
+from ...core.superset_client import SupersetClient
+from ...core.logger import belief_scope

 router = APIRouter(prefix="/api", tags=["migration"])

@@ -22,19 +22,13 @@ router = APIRouter(prefix="/api", tags=["migration"])
 # @RETURN:  List[DashboardMetadata]
@router.get("/environments/{env_id}/dashboards", response_model=List[DashboardMetadata])
 async def get_dashboards(env_id: str, config_manager=Depends(get_config_manager)):
+    with belief_scope("get_dashboards", f"env_id={env_id}"):
        environments = config_manager.get_environments()
    env = next((e for e in environments if e.id == env_id), None)
    if not env:
        raise HTTPException(status_code=404, detail="Environment not found")

-    config = SupersetConfig(
-        env=env.name,
-        base_url=env.url,
-        auth={'provider': 'db', 'username': env.username, 'password': env.password, 'refresh': False},
-        verify_ssl=True,
-        timeout=30
-    )
-    client = SupersetClient(config)
+    client = SupersetClient(env)
    dashboards = client.get_dashboards_summary()
    return dashboards
 # [/DEF:get_dashboards:Function]
@@ -47,6 +41,7 @@ async def get_dashboards(env_id: str, config_manager=Depends(get_config_manager)
 # @RETURN:  Dict - {"task_id": str, "message": str}
@router.post("/migration/execute")
 async def execute_migration(selection: DashboardSelection, config_manager=Depends(get_config_manager), task_manager=Depends(get_task_manager)):
+    with belief_scope("execute_migration"):
        # Validate environments exist
        environments = config_manager.get_environments()
    env_ids = {e.id for e in environments}
--- a/backend/src/api/routes/settings.py
+++ b/backend/src/api/routes/settings.py
@@ -13,11 +13,11 @@
 from fastapi import APIRouter, Depends, HTTPException
 from typing import List
 from ...core.config_models import AppConfig, Environment, GlobalSettings
+from ...models.storage import StorageConfig
 from ...dependencies import get_config_manager
 from ...core.config_manager import ConfigManager
 from ...core.logger import logger, belief_scope
 from ...core.superset_client import SupersetClient
-from superset_tool.models import SupersetConfig
 import os
 # [/SECTION]

@@ -28,7 +28,7 @@ router = APIRouter()
 # @PRE:     Config manager is available.
 # @POST:    Returns masked AppConfig.
 # @RETURN: AppConfig - The current configuration.
-@router.get("/", response_model=AppConfig)
+@router.get("", response_model=AppConfig)
 async def get_settings(config_manager: ConfigManager = Depends(get_config_manager)):
    with belief_scope("get_settings"):
        logger.info("[get_settings][Entry] Fetching all settings")
@@ -53,10 +53,38 @@ async def update_global_settings(
 ):
    with belief_scope("update_global_settings"):
        logger.info("[update_global_settings][Entry] Updating global settings")
+    
    config_manager.update_global_settings(settings)
    return settings
 # [/DEF:update_global_settings:Function]

+# [DEF:get_storage_settings:Function]
+# @PURPOSE: Retrieves storage-specific settings.
+# @RETURN: StorageConfig - The storage configuration.
+@router.get("/storage", response_model=StorageConfig)
+async def get_storage_settings(config_manager: ConfigManager = Depends(get_config_manager)):
+    with belief_scope("get_storage_settings"):
+        return config_manager.get_config().settings.storage
+# [/DEF:get_storage_settings:Function]
+
+# [DEF:update_storage_settings:Function]
+# @PURPOSE: Updates storage-specific settings.
+# @PARAM: storage (StorageConfig) - The new storage settings.
+# @POST: Storage settings are updated and saved.
+# @RETURN: StorageConfig - The updated storage settings.
+@router.put("/storage", response_model=StorageConfig)
+async def update_storage_settings(storage: StorageConfig, config_manager: ConfigManager = Depends(get_config_manager)):
+    with belief_scope("update_storage_settings"):
+        is_valid, message = config_manager.validate_path(storage.root_path)
+        if not is_valid:
+            raise HTTPException(status_code=400, detail=message)
+        
+        settings = config_manager.get_config().settings
+        settings.storage = storage
+        config_manager.update_global_settings(settings)
+        return config_manager.get_config().settings.storage
+# [/DEF:update_storage_settings:Function]
+
 # [DEF:get_environments:Function]
 # @PURPOSE: Lists all configured Superset environments.
 # @PRE:     Config manager is available.
@@ -85,17 +113,7 @@ async def add_environment(
    
    # Validate connection before adding
    try:
-        superset_config = SupersetConfig(
-            env=env.name,
-            base_url=env.url,
-            auth={
-                "provider": "db",
-                "username": env.username,
-                "password": env.password,
-                "refresh": "true"
-            }
-        )
-        client = SupersetClient(config=superset_config)
+        client = SupersetClient(env)
        client.get_dashboards(query={"page_size": 1})
    except Exception as e:
        logger.error(f"[add_environment][Coherence:Failed] Connection validation failed: {e}")
@@ -130,17 +148,7 @@ async def update_environment(

    # Validate connection before updating
    try:
-        superset_config = SupersetConfig(
-            env=env_to_validate.name,
-            base_url=env_to_validate.url,
-            auth={
-                "provider": "db",
-                "username": env_to_validate.username,
-                "password": env_to_validate.password,
-                "refresh": "true"
-            }
-        )
-        client = SupersetClient(config=superset_config)
+        client = SupersetClient(env_to_validate)
        client.get_dashboards(query={"page_size": 1})
    except Exception as e:
        logger.error(f"[update_environment][Coherence:Failed] Connection validation failed: {e}")
@@ -187,21 +195,8 @@ async def test_environment_connection(
        raise HTTPException(status_code=404, detail=f"Environment {id} not found")
    
    try:
-        # Create SupersetConfig
-        # Note: SupersetConfig expects 'auth' dict with specific keys
-        superset_config = SupersetConfig(
-            env=env.name,
-            base_url=env.url,
-            auth={
-                "provider": "db", # Defaulting to db for now
-                "username": env.username,
-                "password": env.password,
-                "refresh": "true"
-            }
-        )
-        
        # Initialize client (this will trigger authentication)
-        client = SupersetClient(config=superset_config)
+        client = SupersetClient(env)
        
        # Try a simple request to verify
        client.get_dashboards(query={"page_size": 1})
@@ -213,30 +208,5 @@ async def test_environment_connection(
        return {"status": "error", "message": str(e)}
 # [/DEF:test_environment_connection:Function]

-# [DEF:validate_backup_path:Function]
-# @PURPOSE: Validates if a backup path exists and is writable.
-# @PRE:     Path is provided in path_data.
-# @POST:    Returns success or error status.
-# @PARAM: path (str) - The path to validate.
-# @RETURN: dict - Validation result.
-@router.post("/validate-path")
-async def validate_backup_path(
-    path_data: dict,
-    config_manager: ConfigManager = Depends(get_config_manager)
-):
-    with belief_scope("validate_backup_path"):
-        path = path_data.get("path")
-        if not path:
-            raise HTTPException(status_code=400, detail="Path is required")
-        
-        logger.info(f"[validate_backup_path][Entry] Validating path: {path}")
-    
-    valid, message = config_manager.validate_path(path)
-    
-    if not valid:
-        return {"status": "error", "message": message}
-    
-    return {"status": "success", "message": message}
-# [/DEF:validate_backup_path:Function]

 # [/DEF:SettingsRouter:Module]
--- a/backend/src/api/routes/storage.py
+++ b/backend/src/api/routes/storage.py
@@ -0,0 +1,132 @@
+# [DEF:storage_routes:Module]
+#
+# @SEMANTICS: storage, files, upload, download, backup, repository
+# @PURPOSE:   API endpoints for file storage management (backups and repositories).
+# @LAYER:     API
+# @RELATION:  DEPENDS_ON -> backend.src.models.storage
+#
+# @INVARIANT: All paths must be validated against path traversal.
+
+# [SECTION: IMPORTS]
+from fastapi import APIRouter, Depends, UploadFile, File, Form, HTTPException
+from fastapi.responses import FileResponse
+from typing import List, Optional
+from ...models.storage import StoredFile, FileCategory
+from ...dependencies import get_plugin_loader
+from ...plugins.storage.plugin import StoragePlugin
+from ...core.logger import belief_scope
+# [/SECTION]
+
+router = APIRouter(tags=["storage"])
+
+# [DEF:list_files:Function]
+# @PURPOSE:     List all files and directories in the storage system.
+#
+# @PRE:         None.
+# @POST:        Returns a list of StoredFile objects.
+#
+# @PARAM:       category (Optional[FileCategory]) - Filter by category.
+# @PARAM:       path (Optional[str]) - Subpath within the category.
+# @RETURN:      List[StoredFile] - List of files/directories.
+#
+# @RELATION:    CALLS -> StoragePlugin.list_files
+@router.get("/files", response_model=List[StoredFile])
+async def list_files(
+    category: Optional[FileCategory] = None,
+    path: Optional[str] = None,
+    plugin_loader=Depends(get_plugin_loader)
+):
+    with belief_scope("list_files"):
+        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
+        if not storage_plugin:
+            raise HTTPException(status_code=500, detail="Storage plugin not loaded")
+        return storage_plugin.list_files(category, path)
+# [/DEF:list_files:Function]
+
+# [DEF:upload_file:Function]
+# @PURPOSE:     Upload a file to the storage system.
+#
+# @PRE:         category must be a valid FileCategory.
+# @PRE:         file must be a valid UploadFile.
+# @POST:        Returns the StoredFile object of the uploaded file.
+#
+# @PARAM:       category (FileCategory) - Target category.
+# @PARAM:       path (Optional[str]) - Target subpath.
+# @PARAM:       file (UploadFile) - The file content.
+# @RETURN:      StoredFile - Metadata of the uploaded file.
+#
+# @SIDE_EFFECT: Writes file to the filesystem.
+#
+# @RELATION:    CALLS -> StoragePlugin.save_file
+@router.post("/upload", response_model=StoredFile, status_code=201)
+async def upload_file(
+    category: FileCategory = Form(...),
+    path: Optional[str] = Form(None),
+    file: UploadFile = File(...),
+    plugin_loader=Depends(get_plugin_loader)
+):
+    with belief_scope("upload_file"):
+        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
+        if not storage_plugin:
+            raise HTTPException(status_code=500, detail="Storage plugin not loaded")
+        try:
+            return await storage_plugin.save_file(file, category, path)
+        except ValueError as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:upload_file:Function]
+
+# [DEF:delete_file:Function]
+# @PURPOSE:     Delete a specific file or directory.
+#
+# @PRE:         category must be a valid FileCategory.
+# @POST:        Item is removed from storage.
+#
+# @PARAM:       category (FileCategory) - File category.
+# @PARAM:       path (str) - Relative path of the item.
+# @RETURN:      None
+#
+# @SIDE_EFFECT: Deletes item from the filesystem.
+#
+# @RELATION:    CALLS -> StoragePlugin.delete_file
+@router.delete("/files/{category}/{path:path}", status_code=204)
+async def delete_file(category: FileCategory, path: str, plugin_loader=Depends(get_plugin_loader)):
+    with belief_scope("delete_file"):
+        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
+        if not storage_plugin:
+            raise HTTPException(status_code=500, detail="Storage plugin not loaded")
+        try:
+            storage_plugin.delete_file(category, path)
+        except FileNotFoundError:
+            raise HTTPException(status_code=404, detail="File not found")
+        except ValueError as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:delete_file:Function]
+
+# [DEF:download_file:Function]
+# @PURPOSE:     Retrieve a file for download.
+#
+# @PRE:         category must be a valid FileCategory.
+# @POST:        Returns a FileResponse.
+#
+# @PARAM:       category (FileCategory) - File category.
+# @PARAM:       path (str) - Relative path of the file.
+# @RETURN:      FileResponse - The file content.
+#
+# @RELATION:    CALLS -> StoragePlugin.get_file_path
+@router.get("/download/{category}/{path:path}")
+async def download_file(category: FileCategory, path: str, plugin_loader=Depends(get_plugin_loader)):
+    with belief_scope("download_file"):
+        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
+        if not storage_plugin:
+            raise HTTPException(status_code=500, detail="Storage plugin not loaded")
+        try:
+            abs_path = storage_plugin.get_file_path(category, path)
+            filename = Path(path).name
+            return FileResponse(path=abs_path, filename=filename)
+        except FileNotFoundError:
+            raise HTTPException(status_code=404, detail="File not found")
+        except ValueError as e:
+            raise HTTPException(status_code=400, detail=str(e))
+# [/DEF:download_file:Function]
+
+# [/DEF:storage_routes:Module]
--- a/backend/src/app.py
+++ b/backend/src/app.py
@@ -6,10 +6,8 @@
 import sys
 from pathlib import Path

-# Add project root to sys.path to allow importing superset_tool
-# Assuming app.py is in backend/src/
+# project_root is used for static files mounting
 project_root = Path(__file__).resolve().parent.parent.parent
-sys.path.append(str(project_root))

 from fastapi import FastAPI, WebSocket, WebSocketDisconnect, Depends, Request, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
@@ -20,7 +18,7 @@ import os

 from .dependencies import get_task_manager, get_scheduler_service
 from .core.logger import logger, belief_scope
-from .api.routes import plugins, tasks, settings, environments, mappings, migration, connections
+from .api.routes import plugins, tasks, settings, environments, mappings, migration, connections, git, storage
 from .core.database import init_db

 # [DEF:App:Global]
@@ -86,10 +84,12 @@ async def log_requests(request: Request, call_next):
 app.include_router(plugins.router, prefix="/api/plugins", tags=["Plugins"])
 app.include_router(tasks.router, prefix="/api/tasks", tags=["Tasks"])
 app.include_router(settings.router, prefix="/api/settings", tags=["Settings"])
-app.include_router(connections.router, prefix="/api/connections", tags=["Connections"])
+app.include_router(connections.router, prefix="/api/settings/connections", tags=["Connections"])
 app.include_router(environments.router, prefix="/api/environments", tags=["Environments"])
 app.include_router(mappings.router)
 app.include_router(migration.router)
+app.include_router(git.router)
+app.include_router(storage.router, prefix="/api/storage", tags=["Storage"])

 # [DEF:websocket_endpoint:Function]
 # @PURPOSE: Provides a WebSocket endpoint for real-time log streaming of a task.
--- a/backend/src/core/config_manager.py
+++ b/backend/src/core/config_manager.py
@@ -62,14 +62,18 @@ class ConfigManager:
            logger.info(f"[_load_config][Action] Config file not found. Creating default.")
            default_config = AppConfig(
                environments=[],
-                settings=GlobalSettings(backup_path="backups")
+                settings=GlobalSettings()
            )
            self._save_config_to_disk(default_config)
            return default_config
-        
        try:
            with open(self.config_path, "r") as f:
                data = json.load(f)
+                
+                # Check for deprecated field
+                if "settings" in data and "backup_path" in data["settings"]:
+                    del data["settings"]["backup_path"]
+
                config = AppConfig(**data)
                logger.info(f"[_load_config][Coherence:OK] Configuration loaded")
                return config
@@ -79,7 +83,7 @@ class ConfigManager:
            # For now, return default to be safe, but log the error prominently.
            return AppConfig(
                environments=[],
-                settings=GlobalSettings(backup_path="backups")
+                settings=GlobalSettings(storage=StorageConfig())
            )
    # [/DEF:_load_config:Function]

--- a/backend/src/core/config_models.py
+++ b/backend/src/core/config_models.py
@@ -7,6 +7,7 @@

 from pydantic import BaseModel, Field
 from typing import List, Optional
+from ..models.storage import StorageConfig

 # [DEF:Schedule:DataClass]
 # @PURPOSE: Represents a backup schedule configuration.
@@ -23,6 +24,8 @@ class Environment(BaseModel):
    url: str
    username: str
    password: str  # Will be masked in UI
+    verify_ssl: bool = True
+    timeout: int = 30
    is_default: bool = False
    backup_schedule: Schedule = Field(default_factory=Schedule)
 # [/DEF:Environment:DataClass]
@@ -40,7 +43,7 @@ class LoggingConfig(BaseModel):
 # [DEF:GlobalSettings:DataClass]
 # @PURPOSE: Represents global application settings.
 class GlobalSettings(BaseModel):
-    backup_path: str
+    storage: StorageConfig = Field(default_factory=StorageConfig)
    default_environment_id: Optional[str] = None
    logging: LoggingConfig = Field(default_factory=LoggingConfig)
    
--- a/backend/src/core/database.py
+++ b/backend/src/core/database.py
@@ -15,6 +15,7 @@ from ..models.mapping import Base
 # Import models to ensure they're registered with Base
 from ..models.task import TaskRecord
 from ..models.connection import ConnectionConfig
+from ..models.git import GitServerConfig, GitRepository, DeploymentEnvironment
 from .logger import belief_scope
 import os
 # [/SECTION]
--- a/backend/src/core/logger.py
+++ b/backend/src/core/logger.py
@@ -28,12 +28,12 @@ class BeliefFormatter(logging.Formatter):
    # @POST: Returns formatted string.
    # @PARAM: record (logging.LogRecord) - The log record to format.
    # @RETURN: str - The formatted log message.
+    # @SEMANTICS: logging, formatter, context
    def format(self, record):
-        msg = super().format(record)
        anchor_id = getattr(_belief_state, 'anchor_id', None)
        if anchor_id:
-            msg = f"[{anchor_id}][Action] {msg}"
-        return msg
+            record.msg = f"[{anchor_id}][Action] {record.msg}"
+        return super().format(record)
    # [/DEF:format:Function]
 # [/DEF:BeliefFormatter:Class]

@@ -55,6 +55,7 @@ class LogEntry(BaseModel):
 # @PARAM: message (str) - Optional entry message.
 # @PRE: anchor_id must be provided.
 # @POST: Thread-local belief state is updated and entry/exit logs are generated.
+# @SEMANTICS: logging, context, belief_state
@contextmanager
 def belief_scope(anchor_id: str, message: str = ""):
    # Log Entry if enabled
@@ -89,6 +90,7 @@ def belief_scope(anchor_id: str, message: str = ""):
 # @PRE: config is a valid LoggingConfig instance.
 # @POST: Logger level, handlers, and belief state flag are updated.
 # @PARAM: config (LoggingConfig) - The logging configuration.
+# @SEMANTICS: logging, configuration, initialization
 def configure_logger(config):
    global _enable_belief_state
    _enable_belief_state = config.enable_belief_state
@@ -141,6 +143,7 @@ class WebSocketLogHandler(logging.Handler):
    # @PRE: capacity is an integer.
    # @POST: Instance initialized with empty deque.
    # @PARAM: capacity (int) - Maximum number of logs to keep in memory.
+    # @SEMANTICS: logging, initialization, buffer
    def __init__(self, capacity: int = 1000):
        super().__init__()
        self.log_buffer: deque[LogEntry] = deque(maxlen=capacity)
@@ -153,6 +156,7 @@ class WebSocketLogHandler(logging.Handler):
    # @PRE: record is a logging.LogRecord.
    # @POST: Log is added to the log_buffer.
    # @PARAM: record (logging.LogRecord) - The log record to emit.
+    # @SEMANTICS: logging, handler, buffer
    def emit(self, record: logging.LogRecord):
        try:
            log_entry = LogEntry(
@@ -180,6 +184,7 @@ class WebSocketLogHandler(logging.Handler):
    # @PRE: None.
    # @POST: Returns list of LogEntry objects.
    # @RETURN: List[LogEntry] - List of buffered log entries.
+    # @SEMANTICS: logging, buffer, retrieval
    def get_recent_logs(self) -> List[LogEntry]:
        """
        Returns a list of recent log entries from the buffer.
@@ -193,6 +198,30 @@ class WebSocketLogHandler(logging.Handler):
 # @SEMANTICS: logger, global, instance
 # @PURPOSE: The global logger instance for the application, configured with both a console handler and the custom WebSocket handler.
 logger = logging.getLogger("superset_tools_app")
+
+# [DEF:believed:Function]
+# @PURPOSE: A decorator that wraps a function in a belief scope.
+# @PARAM: anchor_id (str) - The identifier for the semantic block.
+# @PRE: anchor_id must be a string.
+# @POST: Returns a decorator function.
+def believed(anchor_id: str):
+    # [DEF:decorator:Function]
+    # @PURPOSE: Internal decorator for belief scope.
+    # @PRE: func must be a callable.
+    # @POST: Returns the wrapped function.
+    def decorator(func):
+        # [DEF:wrapper:Function]
+        # @PURPOSE: Internal wrapper that enters belief scope.
+        # @PRE: None.
+        # @POST: Executes the function within a belief scope.
+        def wrapper(*args, **kwargs):
+            with belief_scope(anchor_id):
+                return func(*args, **kwargs)
+        # [/DEF:wrapper:Function]
+        return wrapper
+    # [/DEF:decorator:Function]
+    return decorator
+# [/DEF:believed:Function]
 logger.setLevel(logging.INFO)

 # Create a formatter
--- a/backend/src/core/plugin_loader.py
+++ b/backend/src/core/plugin_loader.py
@@ -50,9 +50,18 @@ class PluginLoader:
            sys.path.insert(0, plugin_parent_dir)

        for filename in os.listdir(self.plugin_dir):
+            file_path = os.path.join(self.plugin_dir, filename)
+            
+            # Handle directory-based plugins (packages)
+            if os.path.isdir(file_path):
+                init_file = os.path.join(file_path, "__init__.py")
+                if os.path.exists(init_file):
+                    self._load_module(filename, init_file)
+                continue
+
+            # Handle single-file plugins
            if filename.endswith(".py") and filename != "__init__.py":
                module_name = filename[:-3]
-                file_path = os.path.join(self.plugin_dir, filename)
                self._load_module(module_name, file_path)
    # [/DEF:_load_plugins:Function]

--- a/backend/src/core/superset_client.py
+++ b/backend/src/core/superset_client.py
@@ -1,82 +1,108 @@
 # [DEF:backend.src.core.superset_client:Module]
 #
-# @SEMANTICS: superset, api, client, database, metadata
-# @PURPOSE:   Extends the base SupersetClient with database-specific metadata fetching.
+# @SEMANTICS: superset, api, client, rest, http, dashboard, dataset, import, export
+# @PURPOSE:   Предоставляет высокоуровневый клиент для взаимодействия с Superset REST API, инкапсулируя логику запросов, обработку ошибок и пагинацию.
 # @LAYER:     Core
-# @RELATION:  INHERITS_FROM -> superset_tool.client.SupersetClient
+# @RELATION:  USES -> backend.src.core.utils.network.APIClient
+# @RELATION:  USES -> backend.src.core.config_models.Environment
 #
-# @INVARIANT: All database metadata requests must include UUID and name.
+# @INVARIANT: All network operations must use the internal APIClient instance.
+# @PUBLIC_API: SupersetClient

 # [SECTION: IMPORTS]
-from typing import List, Dict, Optional, Tuple
-from .logger import belief_scope
-from superset_tool.client import SupersetClient as BaseSupersetClient
-from superset_tool.models import SupersetConfig
+import json
+import zipfile
+from pathlib import Path
+from typing import Any, Dict, List, Optional, Tuple, Union, cast
+from requests import Response
+from .logger import logger as app_logger, belief_scope
+from .utils.network import APIClient, SupersetAPIError, AuthenticationError, DashboardNotFoundError, NetworkError
+from .utils.fileio import get_filename_from_headers
+from .config_models import Environment
 # [/SECTION]

 # [DEF:SupersetClient:Class]
-# @PURPOSE: Extended SupersetClient for migration-specific operations.
-class SupersetClient(BaseSupersetClient):
+# @PURPOSE: Класс-обёртка над Superset REST API, предоставляющий методы для работы с дашбордами и датасетами.
+class SupersetClient:
+    # [DEF:__init__:Function]
+    # @PURPOSE: Инициализирует клиент, проверяет конфигурацию и создает сетевой клиент.
+    # @PRE:  `env` должен быть валидным объектом Environment.
+    # @POST: Атрибуты `env` и `network` созданы и готовы к работе.
+    # @PARAM: env (Environment) - Конфигурация окружения.
+    def __init__(self, env: Environment):
+        with belief_scope("__init__"):
+            app_logger.info("[SupersetClient.__init__][Enter] Initializing SupersetClient for env %s.", env.name)
+        self.env = env
+        # Construct auth payload expected by Superset API
+        auth_payload = {
+            "username": env.username,
+            "password": env.password,
+            "provider": "db",
+            "refresh": "true"
+        }
+        self.network = APIClient(
+            config={
+                "base_url": env.url,
+                "auth": auth_payload
+            },
+            verify_ssl=env.verify_ssl,
+            timeout=env.timeout
+        )
+        self.delete_before_reimport: bool = False
+        app_logger.info("[SupersetClient.__init__][Exit] SupersetClient initialized.")
+    # [/DEF:__init__:Function]
+
    # [DEF:authenticate:Function]
    # @PURPOSE: Authenticates the client using the configured credentials.
    # @PRE: self.network must be initialized with valid auth configuration.
    # @POST: Client is authenticated and tokens are stored.
    # @RETURN: Dict[str, str] - Authentication tokens.
-    def authenticate(self):
+    def authenticate(self) -> Dict[str, str]:
        with belief_scope("SupersetClient.authenticate"):
            return self.network.authenticate()
+    # [/DEF:authenticate:Function]

-    # [DEF:get_databases_summary:Function]
-    # @PURPOSE: Fetch a summary of databases including uuid, name, and engine.
-    # @PRE: self.network must be initialized and authenticated.
-    # @POST: Returns a list of database dictionaries with 'engine' field.
-    # @RETURN: List[Dict] - Summary of databases.
-    def get_databases_summary(self) -> List[Dict]:
-        with belief_scope("SupersetClient.get_databases_summary"):
-            """
-            Fetch a summary of databases including uuid, name, and engine.
-            """
-            query = {
-                "columns": ["uuid", "database_name", "backend"]
-            }
-            _, databases = self.get_databases(query=query)
+    @property
+    # [DEF:headers:Function]
+    # @PURPOSE: Возвращает базовые HTTP-заголовки, используемые сетевым клиентом.
+    # @PRE: APIClient is initialized and authenticated.
+    # @POST: Returns a dictionary of HTTP headers.
+    def headers(self) -> dict:
+        with belief_scope("headers"):
+            return self.network.headers
+    # [/DEF:headers:Function]

-            # Map 'backend' to 'engine' for consistency with contracts
-            for db in databases:
-                db['engine'] = db.pop('backend', None)
+    # [SECTION: DASHBOARD OPERATIONS]

-            return databases
-    # [/DEF:get_databases_summary:Function]
+    # [DEF:get_dashboards:Function]
+    # @PURPOSE: Получает полный список дашбордов, автоматически обрабатывая пагинацию.
+    # @PARAM: query (Optional[Dict]) - Дополнительные параметры запроса для API.
+    # @PRE: Client is authenticated.
+    # @POST: Returns a tuple with total count and list of dashboards.
+    # @RETURN: Tuple[int, List[Dict]] - Кортеж (общее количество, список дашбордов).
+    def get_dashboards(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
+        with belief_scope("get_dashboards"):
+            app_logger.info("[get_dashboards][Enter] Fetching dashboards.")
+            validated_query = self._validate_query_params(query or {})
+            if 'columns' not in validated_query:
+                validated_query['columns'] = ["slug", "id", "changed_on_utc", "dashboard_title", "published"]
            
-    # [DEF:get_database_by_uuid:Function]
-    # @PURPOSE: Find a database by its UUID.
-    # @PRE: db_uuid must be a string.
-    # @POST: Returns database metadata if found.
-    # @PARAM: db_uuid (str) - The UUID of the database.
-    # @RETURN: Optional[Dict] - Database info if found, else None.
-    def get_database_by_uuid(self, db_uuid: str) -> Optional[Dict]:
-        with belief_scope("SupersetClient.get_database_by_uuid", f"uuid={db_uuid}"):
-            """
-            Find a database by its UUID.
-            """
-            query = {
-                "filters": [{"col": "uuid", "op": "eq", "value": db_uuid}]
-            }
-            _, databases = self.get_databases(query=query)
-            return databases[0] if databases else None
-    # [/DEF:get_database_by_uuid:Function]
+            total_count = self._fetch_total_object_count(endpoint="/dashboard/")
+            paginated_data = self._fetch_all_pages(
+                endpoint="/dashboard/",
+                pagination_options={"base_query": validated_query, "total_count": total_count, "results_field": "result"},
+            )
+            app_logger.info("[get_dashboards][Exit] Found %d dashboards.", total_count)
+            return total_count, paginated_data
+    # [/DEF:get_dashboards:Function]

    # [DEF:get_dashboards_summary:Function]
    # @PURPOSE: Fetches dashboard metadata optimized for the grid.
-    # @PRE: self.network must be authenticated.
-    # @POST: Returns a list of dashboard dictionaries mapped to the grid schema.
+    # @PRE: Client is authenticated.
+    # @POST: Returns a list of dashboard metadata summaries.
    # @RETURN: List[Dict]
    def get_dashboards_summary(self) -> List[Dict]:
        with belief_scope("SupersetClient.get_dashboards_summary"):
-            """
-            Fetches dashboard metadata optimized for the grid.
-            Returns a list of dictionaries mapped to DashboardMetadata fields.
-            """
            query = {
                "columns": ["id", "dashboard_title", "changed_on_utc", "published"]
            }
@@ -94,34 +120,331 @@ class SupersetClient(BaseSupersetClient):
            return result
    # [/DEF:get_dashboards_summary:Function]

+    # [DEF:export_dashboard:Function]
+    # @PURPOSE: Экспортирует дашборд в виде ZIP-архива.
+    # @PARAM: dashboard_id (int) - ID дашборда для экспорта.
+    # @PRE: dashboard_id must exist in Superset.
+    # @POST: Returns ZIP content and filename.
+    # @RETURN: Tuple[bytes, str] - Бинарное содержимое ZIP-архива и имя файла.
+    def export_dashboard(self, dashboard_id: int) -> Tuple[bytes, str]:
+        with belief_scope("export_dashboard"):
+            app_logger.info("[export_dashboard][Enter] Exporting dashboard %s.", dashboard_id)
+            response = self.network.request(
+                method="GET",
+                endpoint="/dashboard/export/",
+                params={"q": json.dumps([dashboard_id])},
+                stream=True,
+                raw_response=True,
+            )
+            response = cast(Response, response)
+            self._validate_export_response(response, dashboard_id)
+            filename = self._resolve_export_filename(response, dashboard_id)
+            app_logger.info("[export_dashboard][Exit] Exported dashboard %s to %s.", dashboard_id, filename)
+            return response.content, filename
+    # [/DEF:export_dashboard:Function]
+
+    # [DEF:import_dashboard:Function]
+    # @PURPOSE: Импортирует дашборд из ZIP-файла.
+    # @PARAM: file_name (Union[str, Path]) - Путь к ZIP-архиву.
+    # @PARAM: dash_id (Optional[int]) - ID дашборда для удаления при сбое.
+    # @PARAM: dash_slug (Optional[str]) - Slug дашборда для поиска ID.
+    # @PRE: file_name must be a valid ZIP dashboard export.
+    # @POST: Dashboard is imported or re-imported after deletion.
+    # @RETURN: Dict - Ответ API в случае успеха.
+    def import_dashboard(self, file_name: Union[str, Path], dash_id: Optional[int] = None, dash_slug: Optional[str] = None) -> Dict:
+        with belief_scope("import_dashboard"):
+            file_path = str(file_name)
+            self._validate_import_file(file_path)
+            try:
+                return self._do_import(file_path)
+            except Exception as exc:
+                app_logger.error("[import_dashboard][Failure] First import attempt failed: %s", exc, exc_info=True)
+                if not self.delete_before_reimport:
+                    raise
+
+                target_id = self._resolve_target_id_for_delete(dash_id, dash_slug)
+                if target_id is None:
+                    app_logger.error("[import_dashboard][Failure] No ID available for delete-retry.")
+                    raise
+
+                self.delete_dashboard(target_id)
+                app_logger.info("[import_dashboard][State] Deleted dashboard ID %s, retrying import.", target_id)
+                return self._do_import(file_path)
+    # [/DEF:import_dashboard:Function]
+
+    # [DEF:delete_dashboard:Function]
+    # @PURPOSE: Удаляет дашборд по его ID или slug.
+    # @PARAM: dashboard_id (Union[int, str]) - ID или slug дашборда.
+    # @PRE: dashboard_id must exist.
+    # @POST: Dashboard is removed from Superset.
+    def delete_dashboard(self, dashboard_id: Union[int, str]) -> None:
+        with belief_scope("delete_dashboard"):
+            app_logger.info("[delete_dashboard][Enter] Deleting dashboard %s.", dashboard_id)
+            response = self.network.request(method="DELETE", endpoint=f"/dashboard/{dashboard_id}")
+            response = cast(Dict, response)
+            if response.get("result", True) is not False:
+                app_logger.info("[delete_dashboard][Success] Dashboard %s deleted.", dashboard_id)
+            else:
+                app_logger.warning("[delete_dashboard][Warning] Unexpected response while deleting %s: %s", dashboard_id, response)
+    # [/DEF:delete_dashboard:Function]
+
+    # [/SECTION]
+
+    # [SECTION: DATASET OPERATIONS]
+
+    # [DEF:get_datasets:Function]
+    # @PURPOSE: Получает полный список датасетов, автоматически обрабатывая пагинацию.
+    # @PARAM: query (Optional[Dict]) - Дополнительные параметры запроса.
+    # @PRE: Client is authenticated.
+    # @POST: Returns total count and list of datasets.
+    # @RETURN: Tuple[int, List[Dict]] - Кортеж (общее количество, список датасетов).
+    def get_datasets(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
+        with belief_scope("get_datasets"):
+            app_logger.info("[get_datasets][Enter] Fetching datasets.")
+            validated_query = self._validate_query_params(query)
+
+            total_count = self._fetch_total_object_count(endpoint="/dataset/")
+            paginated_data = self._fetch_all_pages(
+                endpoint="/dataset/",
+                pagination_options={"base_query": validated_query, "total_count": total_count, "results_field": "result"},
+            )
+            app_logger.info("[get_datasets][Exit] Found %d datasets.", total_count)
+            return total_count, paginated_data
+    # [/DEF:get_datasets:Function]
+
    # [DEF:get_dataset:Function]
-    # @PURPOSE: Fetch full dataset structure including columns and metrics.
-    # @PRE: dataset_id must be a valid integer.
-    # @POST: Returns full dataset metadata from Superset API.
-    # @PARAM: dataset_id (int) - The ID of the dataset.
-    # @RETURN: Dict - The dataset metadata.
+    # @PURPOSE: Получает информацию о конкретном датасете по его ID.
+    # @PARAM: dataset_id (int) - ID датасета.
+    # @PRE: dataset_id must exist.
+    # @POST: Returns dataset details.
+    # @RETURN: Dict - Информация о датасете.
    def get_dataset(self, dataset_id: int) -> Dict:
        with belief_scope("SupersetClient.get_dataset", f"id={dataset_id}"):
-            """
-            Fetch full dataset structure.
-            """
-            return self.network.get(f"/api/v1/dataset/{dataset_id}").json()
+            app_logger.info("[get_dataset][Enter] Fetching dataset %s.", dataset_id)
+            response = self.network.request(method="GET", endpoint=f"/dataset/{dataset_id}")
+            response = cast(Dict, response)
+            app_logger.info("[get_dataset][Exit] Got dataset %s.", dataset_id)
+            return response
    # [/DEF:get_dataset:Function]

    # [DEF:update_dataset:Function]
-    # @PURPOSE: Update dataset metadata.
-    # @PRE: dataset_id must be valid, data must be a valid Superset dataset payload.
+    # @PURPOSE: Обновляет данные датасета по его ID.
+    # @PARAM: dataset_id (int) - ID датасета.
+    # @PARAM: data (Dict) - Данные для обновления.
+    # @PRE: dataset_id must exist.
    # @POST: Dataset is updated in Superset.
-    # @PARAM: dataset_id (int) - The ID of the dataset.
-    # @PARAM: data (Dict) - The payload for update.
-    def update_dataset(self, dataset_id: int, data: Dict):
+    # @RETURN: Dict - Ответ API.
+    def update_dataset(self, dataset_id: int, data: Dict) -> Dict:
        with belief_scope("SupersetClient.update_dataset", f"id={dataset_id}"):
-            """
-            Update dataset metadata.
-            """
-            self.network.put(f"/api/v1/dataset/{dataset_id}", json=data)
+            app_logger.info("[update_dataset][Enter] Updating dataset %s.", dataset_id)
+            response = self.network.request(
+                method="PUT",
+                endpoint=f"/dataset/{dataset_id}",
+                data=json.dumps(data),
+                headers={'Content-Type': 'application/json'}
+            )
+            response = cast(Dict, response)
+            app_logger.info("[update_dataset][Exit] Updated dataset %s.", dataset_id)
+            return response
    # [/DEF:update_dataset:Function]

+    # [/SECTION]
+
+    # [SECTION: DATABASE OPERATIONS]
+
+    # [DEF:get_databases:Function]
+    # @PURPOSE: Получает полный список баз данных.
+    # @PARAM: query (Optional[Dict]) - Дополнительные параметры запроса.
+    # @PRE: Client is authenticated.
+    # @POST: Returns total count and list of databases.
+    # @RETURN: Tuple[int, List[Dict]] - Кортеж (общее количество, список баз данных).
+    def get_databases(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
+        with belief_scope("get_databases"):
+            app_logger.info("[get_databases][Enter] Fetching databases.")
+            validated_query = self._validate_query_params(query or {})
+            if 'columns' not in validated_query:
+                validated_query['columns'] = []
+            total_count = self._fetch_total_object_count(endpoint="/database/")
+            paginated_data = self._fetch_all_pages(
+                endpoint="/database/",
+                pagination_options={"base_query": validated_query, "total_count": total_count, "results_field": "result"},
+            )
+            app_logger.info("[get_databases][Exit] Found %d databases.", total_count)
+            return total_count, paginated_data
+    # [/DEF:get_databases:Function]
+
+    # [DEF:get_database:Function]
+    # @PURPOSE: Получает информацию о конкретной базе данных по её ID.
+    # @PARAM: database_id (int) - ID базы данных.
+    # @PRE: database_id must exist.
+    # @POST: Returns database details.
+    # @RETURN: Dict - Информация о базе данных.
+    def get_database(self, database_id: int) -> Dict:
+        with belief_scope("get_database"):
+            app_logger.info("[get_database][Enter] Fetching database %s.", database_id)
+            response = self.network.request(method="GET", endpoint=f"/database/{database_id}")
+            response = cast(Dict, response)
+            app_logger.info("[get_database][Exit] Got database %s.", database_id)
+            return response
+    # [/DEF:get_database:Function]
+
+    # [DEF:get_databases_summary:Function]
+    # @PURPOSE: Fetch a summary of databases including uuid, name, and engine.
+    # @PRE: Client is authenticated.
+    # @POST: Returns list of database summaries.
+    # @RETURN: List[Dict] - Summary of databases.
+    def get_databases_summary(self) -> List[Dict]:
+        with belief_scope("SupersetClient.get_databases_summary"):
+            query = {
+                "columns": ["uuid", "database_name", "backend"]
+            }
+            _, databases = self.get_databases(query=query)
+            
+            # Map 'backend' to 'engine' for consistency with contracts
+            for db in databases:
+                db['engine'] = db.pop('backend', None)
+                
+            return databases
+    # [/DEF:get_databases_summary:Function]
+
+    # [DEF:get_database_by_uuid:Function]
+    # @PURPOSE: Find a database by its UUID.
+    # @PARAM: db_uuid (str) - The UUID of the database.
+    # @PRE: db_uuid must be a valid UUID string.
+    # @POST: Returns database info or None.
+    # @RETURN: Optional[Dict] - Database info if found, else None.
+    def get_database_by_uuid(self, db_uuid: str) -> Optional[Dict]:
+        with belief_scope("SupersetClient.get_database_by_uuid", f"uuid={db_uuid}"):
+            query = {
+                "filters": [{"col": "uuid", "op": "eq", "value": db_uuid}]
+            }
+            _, databases = self.get_databases(query=query)
+            return databases[0] if databases else None
+    # [/DEF:get_database_by_uuid:Function]
+
+    # [/SECTION]
+
+    # [SECTION: HELPERS]
+
+    # [DEF:_resolve_target_id_for_delete:Function]
+    # @PURPOSE: Resolves a dashboard ID from either an ID or a slug.
+    # @PRE: Either dash_id or dash_slug should be provided.
+    # @POST: Returns the resolved ID or None.
+    def _resolve_target_id_for_delete(self, dash_id: Optional[int], dash_slug: Optional[str]) -> Optional[int]:
+        with belief_scope("_resolve_target_id_for_delete"):
+            if dash_id is not None:
+                return dash_id
+            if dash_slug is not None:
+                app_logger.debug("[_resolve_target_id_for_delete][State] Resolving ID by slug '%s'.", dash_slug)
+                try:
+                    _, candidates = self.get_dashboards(query={"filters": [{"col": "slug", "op": "eq", "value": dash_slug}]})
+                    if candidates:
+                        target_id = candidates[0]["id"]
+                        app_logger.debug("[_resolve_target_id_for_delete][Success] Resolved slug to ID %s.", target_id)
+                        return target_id
+                except Exception as e:
+                    app_logger.warning("[_resolve_target_id_for_delete][Warning] Could not resolve slug '%s' to ID: %s", dash_slug, e)
+            return None
+    # [/DEF:_resolve_target_id_for_delete:Function]
+
+    # [DEF:_do_import:Function]
+    # @PURPOSE: Performs the actual multipart upload for import.
+    # @PRE: file_name must be a path to an existing ZIP file.
+    # @POST: Returns the API response from the upload.
+    def _do_import(self, file_name: Union[str, Path]) -> Dict:
+        with belief_scope("_do_import"):
+            app_logger.debug(f"[_do_import][State] Uploading file: {file_name}")
+            file_path = Path(file_name)
+            if not file_path.exists():
+                app_logger.error(f"[_do_import][Failure] File does not exist: {file_name}")
+                raise FileNotFoundError(f"File does not exist: {file_name}")
+            
+            return self.network.upload_file(
+                endpoint="/dashboard/import/",
+                file_info={"file_obj": file_path, "file_name": file_path.name, "form_field": "formData"},
+                extra_data={"overwrite": "true"},
+                timeout=self.env.timeout * 2,
+            )
+    # [/DEF:_do_import:Function]
+
+    # [DEF:_validate_export_response:Function]
+    # @PURPOSE: Validates that the export response is a non-empty ZIP archive.
+    # @PRE: response must be a valid requests.Response object.
+    # @POST: Raises SupersetAPIError if validation fails.
+    def _validate_export_response(self, response: Response, dashboard_id: int) -> None:
+        with belief_scope("_validate_export_response"):
+            content_type = response.headers.get("Content-Type", "")
+            if "application/zip" not in content_type:
+                raise SupersetAPIError(f"Получен не ZIP-архив (Content-Type: {content_type})")
+            if not response.content:
+                raise SupersetAPIError("Получены пустые данные при экспорте")
+    # [/DEF:_validate_export_response:Function]
+
+    # [DEF:_resolve_export_filename:Function]
+    # @PURPOSE: Determines the filename for an exported dashboard.
+    # @PRE: response must contain Content-Disposition header or dashboard_id must be provided.
+    # @POST: Returns a sanitized filename string.
+    def _resolve_export_filename(self, response: Response, dashboard_id: int) -> str:
+        with belief_scope("_resolve_export_filename"):
+            filename = get_filename_from_headers(dict(response.headers))
+            if not filename:
+                from datetime import datetime
+                timestamp = datetime.now().strftime("%Y%m%dT%H%M%S")
+                filename = f"dashboard_export_{dashboard_id}_{timestamp}.zip"
+                app_logger.warning("[_resolve_export_filename][Warning] Generated filename: %s", filename)
+            return filename
+    # [/DEF:_resolve_export_filename:Function]
+
+    # [DEF:_validate_query_params:Function]
+    # @PURPOSE: Ensures query parameters have default page and page_size.
+    # @PRE: query can be None or a dictionary.
+    # @POST: Returns a dictionary with at least page and page_size.
+    def _validate_query_params(self, query: Optional[Dict]) -> Dict:
+        with belief_scope("_validate_query_params"):
+            base_query = {"page": 0, "page_size": 1000}
+            return {**base_query, **(query or {})}
+    # [/DEF:_validate_query_params:Function]
+
+    # [DEF:_fetch_total_object_count:Function]
+    # @PURPOSE: Fetches the total number of items for a given endpoint.
+    # @PRE: endpoint must be a valid Superset API path.
+    # @POST: Returns the total count as an integer.
+    def _fetch_total_object_count(self, endpoint: str) -> int:
+        with belief_scope("_fetch_total_object_count"):
+            return self.network.fetch_paginated_count(
+                endpoint=endpoint,
+                query_params={"page": 0, "page_size": 1},
+                count_field="count",
+            )
+    # [/DEF:_fetch_total_object_count:Function]
+
+    # [DEF:_fetch_all_pages:Function]
+    # @PURPOSE: Iterates through all pages to collect all data items.
+    # @PRE: pagination_options must contain base_query, total_count, and results_field.
+    # @POST: Returns a combined list of all items.
+    def _fetch_all_pages(self, endpoint: str, pagination_options: Dict) -> List[Dict]:
+        with belief_scope("_fetch_all_pages"):
+            return self.network.fetch_paginated_data(endpoint=endpoint, pagination_options=pagination_options)
+    # [/DEF:_fetch_all_pages:Function]
+
+    # [DEF:_validate_import_file:Function]
+    # @PURPOSE: Validates that the file to be imported is a valid ZIP with metadata.yaml.
+    # @PRE: zip_path must be a path to a file.
+    # @POST: Raises error if file is missing, not a ZIP, or missing metadata.
+    def _validate_import_file(self, zip_path: Union[str, Path]) -> None:
+        with belief_scope("_validate_import_file"):
+            path = Path(zip_path)
+            if not path.exists():
+                raise FileNotFoundError(f"Файл {zip_path} не существует")
+            if not zipfile.is_zipfile(path):
+                raise SupersetAPIError(f"Файл {zip_path} не является ZIP-архивом")
+            with zipfile.ZipFile(path, "r") as zf:
+                if not any(n.endswith("metadata.yaml") for n in zf.namelist()):
+                    raise SupersetAPIError(f"Архив {zip_path} не содержит 'metadata.yaml'")
+    # [/DEF:_validate_import_file:Function]
+
+    # [/SECTION]
+
 # [/DEF:SupersetClient:Class]

 # [/DEF:backend.src.core.superset_client:Module]
--- a/backend/src/core/utils/dataset_mapper.py
+++ b/backend/src/core/utils/dataset_mapper.py
@@ -1,9 +1,9 @@
-# [DEF:superset_tool.utils.dataset_mapper:Module]
+# [DEF:backend.core.utils.dataset_mapper:Module]
 #
 # @SEMANTICS: dataset, mapping, postgresql, xlsx, superset
 # @PURPOSE: Этот модуль отвечает за обновление метаданных (verbose_map) в датасетах Superset, извлекая их из PostgreSQL или XLSX-файлов.
 # @LAYER: Domain
-# @RELATION:  DEPENDS_ON -> superset_tool.client
+# @RELATION: DEPENDS_ON -> backend.core.superset_client
 # @RELATION: DEPENDS_ON -> pandas
 # @RELATION: DEPENDS_ON -> psycopg2
 # @PUBLIC_API: DatasetMapper
@@ -11,10 +11,8 @@
 # [SECTION: IMPORTS]
 import pandas as pd  # type: ignore
 import psycopg2  # type: ignore
-from superset_tool.client import SupersetClient
-from superset_tool.utils.init_clients import setup_clients
-from superset_tool.utils.logger import SupersetLogger
 from typing import Dict, List, Optional, Any
+from ..logger import logger as app_logger, belief_scope
 # [/SECTION]

 # [DEF:DatasetMapper:Class]
@@ -22,10 +20,9 @@ from typing import Dict, List, Optional, Any
 class DatasetMapper:
    # [DEF:__init__:Function]
    # @PURPOSE: Initializes the mapper.
-    # @PRE: logger должен быть экземпляром SupersetLogger.
    # @POST: Объект DatasetMapper инициализирован.
-    def __init__(self, logger: SupersetLogger):
-        self.logger = logger
+    def __init__(self):
+        pass
    # [/DEF:__init__:Function]

    # [DEF:get_postgres_comments:Function]
@@ -39,8 +36,8 @@ class DatasetMapper:
    # @PARAM: table_schema (str) - Схема таблицы.
    # @RETURN: Dict[str, str] - Словарь с комментариями к колонкам.
    def get_postgres_comments(self, db_config: Dict, table_name: str, table_schema: str) -> Dict[str, str]:
-        with self.logger.belief_scope("Fetch comments from PostgreSQL"):
-            self.logger.info("[get_postgres_comments][Enter] Fetching comments from PostgreSQL for %s.%s.", table_schema, table_name)
+        with belief_scope("Fetch comments from PostgreSQL"):
+            app_logger.info("[get_postgres_comments][Enter] Fetching comments from PostgreSQL for %s.%s.", table_schema, table_name)
            query = f"""
                        SELECT  
                cols.column_name,
@@ -86,9 +83,9 @@ class DatasetMapper:
                    for row in cursor.fetchall():
                        if row[1]:
                            comments[row[0]] = row[1]
-                self.logger.info("[get_postgres_comments][Success] Fetched %d comments.", len(comments))
+                app_logger.info("[get_postgres_comments][Success] Fetched %d comments.", len(comments))
            except Exception as e:
-                self.logger.error("[get_postgres_comments][Failure] %s", e, exc_info=True)
+                app_logger.error("[get_postgres_comments][Failure] %s", e, exc_info=True)
                raise
            return comments
    # [/DEF:get_postgres_comments:Function]
@@ -101,15 +98,15 @@ class DatasetMapper:
    # @PARAM: file_path (str) - Путь к XLSX файлу.
    # @RETURN: Dict[str, str] - Словарь с меппингами.
    def load_excel_mappings(self, file_path: str) -> Dict[str, str]:
-        with self.logger.belief_scope("Load mappings from Excel"):
-            self.logger.info("[load_excel_mappings][Enter] Loading mappings from %s.", file_path)
+        with belief_scope("Load mappings from Excel"):
+            app_logger.info("[load_excel_mappings][Enter] Loading mappings from %s.", file_path)
            try:
                df = pd.read_excel(file_path)
                mappings = df.set_index('column_name')['verbose_name'].to_dict()
-                self.logger.info("[load_excel_mappings][Success] Loaded %d mappings.", len(mappings))
+                app_logger.info("[load_excel_mappings][Success] Loaded %d mappings.", len(mappings))
                return mappings
            except Exception as e:
-                self.logger.error("[load_excel_mappings][Failure] %s", e, exc_info=True)
+                app_logger.error("[load_excel_mappings][Failure] %s", e, exc_info=True)
                raise
    # [/DEF:load_excel_mappings:Function]

@@ -122,16 +119,16 @@ class DatasetMapper:
    # @RELATION: CALLS -> self.load_excel_mappings
    # @RELATION: CALLS -> superset_client.get_dataset
    # @RELATION: CALLS -> superset_client.update_dataset
-    # @PARAM: superset_client (SupersetClient) - Клиент Superset.
+    # @PARAM: superset_client (Any) - Клиент Superset.
    # @PARAM: dataset_id (int) - ID датасета для обновления.
    # @PARAM: source (str) - Источник данных ('postgres', 'excel', 'both').
    # @PARAM: postgres_config (Optional[Dict]) - Конфигурация для подключения к PostgreSQL.
    # @PARAM: excel_path (Optional[str]) - Путь к XLSX файлу.
    # @PARAM: table_name (Optional[str]) - Имя таблицы в PostgreSQL.
    # @PARAM: table_schema (Optional[str]) - Схема таблицы в PostgreSQL.
-    def run_mapping(self, superset_client: SupersetClient, dataset_id: int, source: str, postgres_config: Optional[Dict] = None, excel_path: Optional[str] = None, table_name: Optional[str] = None, table_schema: Optional[str] = None):
-        with self.logger.belief_scope(f"Run dataset mapping for ID {dataset_id}"):
-            self.logger.info("[run_mapping][Enter] Starting dataset mapping for ID %d from source '%s'.", dataset_id, source)
+    def run_mapping(self, superset_client: Any, dataset_id: int, source: str, postgres_config: Optional[Dict] = None, excel_path: Optional[str] = None, table_name: Optional[str] = None, table_schema: Optional[str] = None):
+        with belief_scope(f"Run dataset mapping for ID {dataset_id}"):
+            app_logger.info("[run_mapping][Enter] Starting dataset mapping for ID %d from source '%s'.", dataset_id, source)
            mappings: Dict[str, str] = {}
            
            try:
@@ -142,7 +139,7 @@ class DatasetMapper:
                    assert excel_path, "Excel path is required."
                    mappings.update(self.load_excel_mappings(excel_path))
                if source not in ['postgres', 'excel', 'both']:
-                    self.logger.error("[run_mapping][Failure] Invalid source: %s.", source)
+                    app_logger.error("[run_mapping][Failure] Invalid source: %s.", source)
                    return

                dataset_response = superset_client.get_dataset(dataset_id)
@@ -227,14 +224,14 @@ class DatasetMapper:
                    payload_for_update = {k: v for k, v in payload_for_update.items() if v is not None}

                    superset_client.update_dataset(dataset_id, payload_for_update)
-                    self.logger.info("[run_mapping][Success] Dataset %d columns' verbose_name updated.", dataset_id)
+                    app_logger.info("[run_mapping][Success] Dataset %d columns' verbose_name updated.", dataset_id)
                else:
-                    self.logger.info("[run_mapping][State] No changes in columns' verbose_name, skipping update.")
+                    app_logger.info("[run_mapping][State] No changes in columns' verbose_name, skipping update.")

            except (AssertionError, FileNotFoundError, Exception) as e:
-                self.logger.error("[run_mapping][Failure] %s", e, exc_info=True)
+                app_logger.error("[run_mapping][Failure] %s", e, exc_info=True)
                return
    # [/DEF:run_mapping:Function]
 # [/DEF:DatasetMapper:Class]

-# [/DEF:superset_tool.utils.dataset_mapper:Module]
+# [/DEF:backend.core.utils.dataset_mapper:Module]
--- a/backend/src/core/utils/fileio.py
+++ b/backend/src/core/utils/fileio.py
@@ -1,10 +1,9 @@
-# [DEF:superset_tool.utils.fileio:Module]
+# [DEF:backend.core.utils.fileio:Module]
 #
 # @SEMANTICS: file, io, zip, yaml, temp, archive, utility
 # @PURPOSE: Предоставляет набор утилит для управления файловыми операциями, включая работу с временными файлами, архивами ZIP, файлами YAML и очистку директорий.
 # @LAYER: Infra
-# @RELATION:  DEPENDS_ON -> superset_tool.exceptions
-# @RELATION:  DEPENDS_ON -> superset_tool.utils.logger
+# @RELATION: DEPENDS_ON -> backend.src.core.logger
 # @RELATION: DEPENDS_ON -> pyyaml
 # @PUBLIC_API: create_temp_file, remove_empty_directories, read_dashboard_from_disk, calculate_crc32, RetentionPolicy, archive_exports, save_and_unpack_dashboard, update_yamls, create_dashboard_export, sanitize_filename, get_filename_from_headers, consolidate_archive_folders

@@ -17,15 +16,19 @@ from typing import Any, Optional, Tuple, Dict, List, Union, LiteralString, Gener
 from contextlib import contextmanager
 import tempfile
 from datetime import date, datetime
-import glob
 import shutil
 import zlib
 from dataclasses import dataclass
 import yaml
-from superset_tool.exceptions import InvalidZipFormatError
-from superset_tool.utils.logger import SupersetLogger
+from ..logger import logger as app_logger, belief_scope
 # [/SECTION]

+# [DEF:InvalidZipFormatError:Class]
+# @PURPOSE: Exception raised when a file is not a valid ZIP archive.
+class InvalidZipFormatError(Exception):
+    pass
+# [/DEF:InvalidZipFormatError:Class]
+
 # [DEF:create_temp_file:Function]
 # @PURPOSE: Контекстный менеджер для создания временного файла или директории с гарантированным удалением.
 # @PRE: suffix должен быть строкой, определяющей тип ресурса.
@@ -33,20 +36,18 @@ from superset_tool.utils.logger import SupersetLogger
 # @PARAM: content (Optional[bytes]) - Бинарное содержимое для записи во временный файл.
 # @PARAM: suffix (str) - Суффикс ресурса. Если `.dir`, создается директория.
 # @PARAM: mode (str) - Режим записи в файл (e.g., 'wb').
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
 # @YIELDS: Path - Путь к временному ресурсу.
 # @THROW: IOError - При ошибках создания ресурса.
@contextmanager
-def create_temp_file(content: Optional[bytes] = None, suffix: str = ".zip", mode: str = 'wb', dry_run = False, logger: Optional[SupersetLogger] = None) -> Generator[Path, None, None]:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope("Create temporary resource"):
+def create_temp_file(content: Optional[bytes] = None, suffix: str = ".zip", mode: str = 'wb', dry_run = False) -> Generator[Path, None, None]:
+    with belief_scope("Create temporary resource"):
        resource_path = None
        is_dir = suffix.startswith('.dir')
        try:
            if is_dir:
                with tempfile.TemporaryDirectory(suffix=suffix) as temp_dir:
                    resource_path = Path(temp_dir)
-                    logger.debug("[create_temp_file][State] Created temporary directory: %s", resource_path)
+                    app_logger.debug("[create_temp_file][State] Created temporary directory: %s", resource_path)
                    yield resource_path
            else:
                fd, temp_path_str = tempfile.mkstemp(suffix=suffix)
@@ -54,19 +55,19 @@ def create_temp_file(content: Optional[bytes] = None, suffix: str = ".zip", mode
                os.close(fd)
                if content:
                    resource_path.write_bytes(content)
-                logger.debug("[create_temp_file][State] Created temporary file: %s", resource_path)
+                app_logger.debug("[create_temp_file][State] Created temporary file: %s", resource_path)
                yield resource_path
        finally:
            if resource_path and resource_path.exists() and not dry_run:
                try:
                    if resource_path.is_dir():
                        shutil.rmtree(resource_path)
-                        logger.debug("[create_temp_file][Cleanup] Removed temporary directory: %s", resource_path)
+                        app_logger.debug("[create_temp_file][Cleanup] Removed temporary directory: %s", resource_path)
                    else:
                        resource_path.unlink()
-                        logger.debug("[create_temp_file][Cleanup] Removed temporary file: %s", resource_path)
+                        app_logger.debug("[create_temp_file][Cleanup] Removed temporary file: %s", resource_path)
                except OSError as e:
-                    logger.error("[create_temp_file][Failure] Error during cleanup of %s: %s", resource_path, e)
+                    app_logger.error("[create_temp_file][Failure] Error during cleanup of %s: %s", resource_path, e)
 # [/DEF:create_temp_file:Function]

 # [DEF:remove_empty_directories:Function]
@@ -74,25 +75,23 @@ def create_temp_file(content: Optional[bytes] = None, suffix: str = ".zip", mode
 # @PRE: root_dir должен быть путем к существующей директории.
 # @POST: Все пустые поддиректории удалены, возвращено их количество.
 # @PARAM: root_dir (str) - Путь к корневой директории для очистки.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
 # @RETURN: int - Количество удаленных директорий.
-def remove_empty_directories(root_dir: str, logger: Optional[SupersetLogger] = None) -> int:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope(f"Remove empty directories in {root_dir}"):
-        logger.info("[remove_empty_directories][Enter] Starting cleanup of empty directories in %s", root_dir)
+def remove_empty_directories(root_dir: str) -> int:
+    with belief_scope(f"Remove empty directories in {root_dir}"):
+        app_logger.info("[remove_empty_directories][Enter] Starting cleanup of empty directories in %s", root_dir)
        removed_count = 0
        if not os.path.isdir(root_dir):
-            logger.error("[remove_empty_directories][Failure] Directory not found: %s", root_dir)
+            app_logger.error("[remove_empty_directories][Failure] Directory not found: %s", root_dir)
            return 0
        for current_dir, _, _ in os.walk(root_dir, topdown=False):
            if not os.listdir(current_dir):
                try:
                    os.rmdir(current_dir)
                    removed_count += 1
-                    logger.info("[remove_empty_directories][State] Removed empty directory: %s", current_dir)
+                    app_logger.info("[remove_empty_directories][State] Removed empty directory: %s", current_dir)
                except OSError as e:
-                    logger.error("[remove_empty_directories][Failure] Failed to remove %s: %s", current_dir, e)
-        logger.info("[remove_empty_directories][Exit] Removed %d empty directories.", removed_count)
+                    app_logger.error("[remove_empty_directories][Failure] Failed to remove %s: %s", current_dir, e)
+        app_logger.info("[remove_empty_directories][Exit] Removed %d empty directories.", removed_count)
        return removed_count
 # [/DEF:remove_empty_directories:Function]

@@ -101,18 +100,16 @@ def remove_empty_directories(root_dir: str, logger: Optional[SupersetLogger] = N
 # @PRE: file_path должен указывать на существующий файл.
 # @POST: Возвращает байты содержимого и имя файла.
 # @PARAM: file_path (str) - Путь к файлу.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
 # @RETURN: Tuple[bytes, str] - Кортеж (содержимое, имя файла).
 # @THROW: FileNotFoundError - Если файл не найден.
-def read_dashboard_from_disk(file_path: str, logger: Optional[SupersetLogger] = None) -> Tuple[bytes, str]:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope(f"Read dashboard from {file_path}"):
+def read_dashboard_from_disk(file_path: str) -> Tuple[bytes, str]:
+    with belief_scope(f"Read dashboard from {file_path}"):
        path = Path(file_path)
        assert path.is_file(), f"Файл дашборда не найден: {file_path}"
-        logger.info("[read_dashboard_from_disk][Enter] Reading file: %s", file_path)
+        app_logger.info("[read_dashboard_from_disk][Enter] Reading file: %s", file_path)
        content = path.read_bytes()
        if not content:
-            logger.warning("[read_dashboard_from_disk][Warning] File is empty: %s", file_path)
+            app_logger.warning("[read_dashboard_from_disk][Warning] File is empty: %s", file_path)
        return content, path.name
 # [/DEF:read_dashboard_from_disk:Function]

@@ -124,8 +121,7 @@ def read_dashboard_from_disk(file_path: str, logger: Optional[SupersetLogger] =
 # @RETURN: str - 8-значное шестнадцатеричное представление CRC32.
 # @THROW: IOError - При ошибках чтения файла.
 def calculate_crc32(file_path: Path) -> str:
-    logger = SupersetLogger(name="fileio")
-    with logger.belief_scope(f"Calculate CRC32 for {file_path}"):
+    with belief_scope(f"Calculate CRC32 for {file_path}"):
        with open(file_path, 'rb') as f:
            crc32_value = zlib.crc32(f.read())
            return f"{crc32_value:08x}"
@@ -151,26 +147,24 @@ class RetentionPolicy:
 # @PARAM: output_dir (str) - Директория с архивами.
 # @PARAM: policy (RetentionPolicy) - Политика хранения.
 # @PARAM: deduplicate (bool) - Флаг для включения удаления дубликатов по CRC32.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
-def archive_exports(output_dir: str, policy: RetentionPolicy, deduplicate: bool = False, logger: Optional[SupersetLogger] = None) -> None:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope(f"Archive exports in {output_dir}"):
+def archive_exports(output_dir: str, policy: RetentionPolicy, deduplicate: bool = False) -> None:
+    with belief_scope(f"Archive exports in {output_dir}"):
        output_path = Path(output_dir)
        if not output_path.is_dir():
-            logger.warning("[archive_exports][Skip] Archive directory not found: %s", output_dir)
+            app_logger.warning("[archive_exports][Skip] Archive directory not found: %s", output_dir)
            return

-        logger.info("[archive_exports][Enter] Managing archive in %s", output_dir)
+        app_logger.info("[archive_exports][Enter] Managing archive in %s", output_dir)
        
        # 1. Collect all zip files
        zip_files = list(output_path.glob("*.zip"))
        if not zip_files:
-            logger.info("[archive_exports][State] No zip files found in %s", output_dir)
+            app_logger.info("[archive_exports][State] No zip files found in %s", output_dir)
            return

        # 2. Deduplication
        if deduplicate:
-            logger.info("[archive_exports][State] Starting deduplication...")
+            app_logger.info("[archive_exports][State] Starting deduplication...")
            checksums = {}
            files_to_remove = []
            
@@ -182,19 +176,19 @@ def archive_exports(output_dir: str, policy: RetentionPolicy, deduplicate: bool
                    crc = calculate_crc32(file_path)
                    if crc in checksums:
                        files_to_remove.append(file_path)
-                        logger.debug("[archive_exports][State] Duplicate found: %s (same as %s)", file_path.name, checksums[crc].name)
+                        app_logger.debug("[archive_exports][State] Duplicate found: %s (same as %s)", file_path.name, checksums[crc].name)
                    else:
                        checksums[crc] = file_path
                except Exception as e:
-                    logger.error("[archive_exports][Failure] Failed to calculate CRC32 for %s: %s", file_path, e)
+                    app_logger.error("[archive_exports][Failure] Failed to calculate CRC32 for %s: %s", file_path, e)
            
            for f in files_to_remove:
                try:
                    f.unlink()
                    zip_files.remove(f)
-                    logger.info("[archive_exports][State] Removed duplicate: %s", f.name)
+                    app_logger.info("[archive_exports][State] Removed duplicate: %s", f.name)
                except OSError as e:
-                    logger.error("[archive_exports][Failure] Failed to remove duplicate %s: %s", f, e)
+                    app_logger.error("[archive_exports][Failure] Failed to remove duplicate %s: %s", f, e)

        # 3. Retention Policy
        files_with_dates = []
@@ -216,15 +210,15 @@ def archive_exports(output_dir: str, policy: RetentionPolicy, deduplicate: bool
            
            files_with_dates.append((file_path, file_date))

-        files_to_keep = apply_retention_policy(files_with_dates, policy, logger)
+        files_to_keep = apply_retention_policy(files_with_dates, policy)
        
        for file_path, _ in files_with_dates:
            if file_path not in files_to_keep:
                try:
                    file_path.unlink()
-                    logger.info("[archive_exports][State] Removed by retention policy: %s", file_path.name)
+                    app_logger.info("[archive_exports][State] Removed by retention policy: %s", file_path.name)
                except OSError as e:
-                    logger.error("[archive_exports][Failure] Failed to remove %s: %s", file_path, e)
+                    app_logger.error("[archive_exports][Failure] Failed to remove %s: %s", file_path, e)
 # [/DEF:archive_exports:Function]

 # [DEF:apply_retention_policy:Function]
@@ -233,10 +227,9 @@ def archive_exports(output_dir: str, policy: RetentionPolicy, deduplicate: bool
 # @POST: Returns a set of files to keep.
 # @PARAM: files_with_dates (List[Tuple[Path, date]]) - Список файлов с датами.
 # @PARAM: policy (RetentionPolicy) - Политика хранения.
-# @PARAM: logger (SupersetLogger) - Логгер.
 # @RETURN: set - Множество путей к файлам, которые должны быть сохранены.
-def apply_retention_policy(files_with_dates: List[Tuple[Path, date]], policy: RetentionPolicy, logger: SupersetLogger) -> set:
-    with logger.belief_scope("Apply retention policy"):
+def apply_retention_policy(files_with_dates: List[Tuple[Path, date]], policy: RetentionPolicy) -> set:
+    with belief_scope("Apply retention policy"):
        # Сортируем по дате (от новой к старой)
        sorted_files = sorted(files_with_dates, key=lambda x: x[1], reverse=True)  
        # Словарь для хранения файлов по категориям  
@@ -259,7 +252,7 @@ def apply_retention_policy(files_with_dates: List[Tuple[Path, date]], policy: Re
        files_to_keep.update(daily_files)  
        files_to_keep.update(weekly_files[:policy.weekly])  
        files_to_keep.update(monthly_files[:policy.monthly])  
-        logger.debug("[apply_retention_policy][State] Keeping %d files according to retention policy", len(files_to_keep))
+        app_logger.debug("[apply_retention_policy][State] Keeping %d files according to retention policy", len(files_to_keep))
        return files_to_keep
 # [/DEF:apply_retention_policy:Function]

@@ -271,28 +264,26 @@ def apply_retention_policy(files_with_dates: List[Tuple[Path, date]], policy: Re
 # @PARAM: output_dir (Union[str, Path]) - Директория для сохранения.
 # @PARAM: unpack (bool) - Флаг, нужно ли распаковывать архив.
 # @PARAM: original_filename (Optional[str]) - Исходное имя файла для сохранения.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
 # @RETURN: Tuple[Path, Optional[Path]] - Путь к ZIP-файлу и, если применимо, путь к директории с распаковкой.
 # @THROW: InvalidZipFormatError - При ошибке формата ZIP.
-def save_and_unpack_dashboard(zip_content: bytes, output_dir: Union[str, Path], unpack: bool = False, original_filename: Optional[str] = None, logger: Optional[SupersetLogger] = None) -> Tuple[Path, Optional[Path]]:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope("Save and unpack dashboard"):
-        logger.info("[save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: %s", unpack)
+def save_and_unpack_dashboard(zip_content: bytes, output_dir: Union[str, Path], unpack: bool = False, original_filename: Optional[str] = None) -> Tuple[Path, Optional[Path]]:
+    with belief_scope("Save and unpack dashboard"):
+        app_logger.info("[save_and_unpack_dashboard][Enter] Processing dashboard. Unpack: %s", unpack)
        try:
            output_path = Path(output_dir)
            output_path.mkdir(parents=True, exist_ok=True)
            zip_name = sanitize_filename(original_filename) if original_filename else f"dashboard_export_{datetime.now().strftime('%Y%m%d_%H%M%S')}.zip"
            zip_path = output_path / zip_name
            zip_path.write_bytes(zip_content)
-            logger.info("[save_and_unpack_dashboard][State] Dashboard saved to: %s", zip_path)
+            app_logger.info("[save_and_unpack_dashboard][State] Dashboard saved to: %s", zip_path)
            if unpack:
                with zipfile.ZipFile(zip_path, 'r') as zip_ref:
                    zip_ref.extractall(output_path)
-                logger.info("[save_and_unpack_dashboard][State] Dashboard unpacked to: %s", output_path)
+                app_logger.info("[save_and_unpack_dashboard][State] Dashboard unpacked to: %s", output_path)
                return zip_path, output_path
            return zip_path, None
        except zipfile.BadZipFile as e:
-            logger.error("[save_and_unpack_dashboard][Failure] Invalid ZIP archive: %s", e)
+            app_logger.error("[save_and_unpack_dashboard][Failure] Invalid ZIP archive: %s", e)
            raise InvalidZipFormatError(f"Invalid ZIP file: {e}") from e
 # [/DEF:save_and_unpack_dashboard:Function]

@@ -306,18 +297,16 @@ def save_and_unpack_dashboard(zip_content: bytes, output_dir: Union[str, Path],
 # @PARAM: path (str) - Путь к директории с YAML файлами.
 # @PARAM: regexp_pattern (Optional[LiteralString]) - Паттерн для поиска.
 # @PARAM: replace_string (Optional[LiteralString]) - Строка для замены.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
-def update_yamls(db_configs: Optional[List[Dict[str, Any]]] = None, path: str = "dashboards", regexp_pattern: Optional[LiteralString] = None, replace_string: Optional[LiteralString] = None, logger: Optional[SupersetLogger] = None) -> None:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope("Update YAML configurations"):
-        logger.info("[update_yamls][Enter] Starting YAML configuration update.")
+def update_yamls(db_configs: Optional[List[Dict[str, Any]]] = None, path: str = "dashboards", regexp_pattern: Optional[LiteralString] = None, replace_string: Optional[LiteralString] = None) -> None:
+    with belief_scope("Update YAML configurations"):
+        app_logger.info("[update_yamls][Enter] Starting YAML configuration update.")
        dir_path = Path(path)
        assert dir_path.is_dir(), f"Путь {path} не существует или не является директорией"
        
        configs: List[Dict[str, Any]] = db_configs or []
        
        for file_path in dir_path.rglob("*.yaml"):
-            _update_yaml_file(file_path, configs, regexp_pattern, replace_string, logger)
+            _update_yaml_file(file_path, configs, regexp_pattern, replace_string)
 # [/DEF:update_yamls:Function]

 # [DEF:_update_yaml_file:Function]
@@ -328,15 +317,14 @@ def update_yamls(db_configs: Optional[List[Dict[str, Any]]] = None, path: str =
 # @PARAM: db_configs (List[Dict]) - Конфигурации.
 # @PARAM: regexp_pattern (Optional[str]) - Паттерн.
 # @PARAM: replace_string (Optional[str]) - Замена.
-# @PARAM: logger (SupersetLogger) - Логгер.
-def _update_yaml_file(file_path: Path, db_configs: List[Dict[str, Any]], regexp_pattern: Optional[str], replace_string: Optional[str], logger: SupersetLogger) -> None:
-    with logger.belief_scope(f"Update YAML file: {file_path}"):
+def _update_yaml_file(file_path: Path, db_configs: List[Dict[str, Any]], regexp_pattern: Optional[str], replace_string: Optional[str]) -> None:
+    with belief_scope(f"Update YAML file: {file_path}"):
        # Читаем содержимое файла
        try:
            with open(file_path, 'r', encoding='utf-8') as f:
                content = f.read()
        except Exception as e:
-            logger.error("[_update_yaml_file][Failure] Failed to read %s: %s", file_path, e)
+            app_logger.error("[_update_yaml_file][Failure] Failed to read %s: %s", file_path, e)
            return
        # Если задан pattern и replace_string, применяем замену по регулярному выражению
        if regexp_pattern and replace_string:
@@ -345,9 +333,9 @@ def _update_yaml_file(file_path: Path, db_configs: List[Dict[str, Any]], regexp_
                if new_content != content:
                    with open(file_path, 'w', encoding='utf-8') as f:
                        f.write(new_content)
-                    logger.info("[_update_yaml_file][State] Updated %s using regex pattern", file_path)
+                    app_logger.info("[_update_yaml_file][State] Updated %s using regex pattern", file_path)
            except Exception as e:
-                logger.error("[_update_yaml_file][Failure] Error applying regex to %s: %s", file_path, e)
+                app_logger.error("[_update_yaml_file][Failure] Error applying regex to %s: %s", file_path, e)
        # Если заданы конфигурации, заменяем значения (поддержка old/new)
        if db_configs:
            try:
@@ -373,7 +361,6 @@ def _update_yaml_file(file_path: Path, db_configs: List[Dict[str, Any]], regexp_
                                # @PRE: match должен быть объектом совпадения регулярного выражения.
                                # @POST: Возвращает строку с новым значением, сохраняя префикс и кавычки.
                                def replacer(match):
-                                    with logger.belief_scope("replacer"):
                                    prefix = match.group(1)
                                    quote_open = match.group(2)
                                    quote_close = match.group(4)
@@ -381,12 +368,12 @@ def _update_yaml_file(file_path: Path, db_configs: List[Dict[str, Any]], regexp_
                                # [/DEF:replacer:Function]

                                modified_content = re.sub(pattern, replacer, modified_content)
-                                logger.info("[_update_yaml_file][State] Replaced '%s' with '%s' for key %s in %s", old_val, new_val, key, file_path)
+                                app_logger.info("[_update_yaml_file][State] Replaced '%s' with '%s' for key %s in %s", old_val, new_val, key, file_path)
                # Записываем обратно изменённый контент без парсинга YAML, сохраняем оригинальное форматирование
                with open(file_path, 'w', encoding='utf-8') as f:
                    f.write(modified_content)
            except Exception as e:
-                logger.error("[_update_yaml_file][Failure] Error performing raw replacement in %s: %s", file_path, e)
+                app_logger.error("[_update_yaml_file][Failure] Error performing raw replacement in %s: %s", file_path, e)
 # [/DEF:_update_yaml_file:Function]

 # [DEF:create_dashboard_export:Function]
@@ -396,12 +383,10 @@ def _update_yaml_file(file_path: Path, db_configs: List[Dict[str, Any]], regexp_
 # @PARAM: zip_path (Union[str, Path]) - Путь для сохранения ZIP архива.
 # @PARAM: source_paths (List[Union[str, Path]]) - Список исходных путей для архивации.
 # @PARAM: exclude_extensions (Optional[List[str]]) - Список расширений для исключения.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
 # @RETURN: bool - `True` при успехе, `False` при ошибке.
-def create_dashboard_export(zip_path: Union[str, Path], source_paths: List[Union[str, Path]], exclude_extensions: Optional[List[str]] = None, logger: Optional[SupersetLogger] = None) -> bool:
-    logger = logger or SupersetLogger(name="fileio")
-    with logger.belief_scope(f"Create dashboard export: {zip_path}"):
-        logger.info("[create_dashboard_export][Enter] Packing dashboard: %s -> %s", source_paths, zip_path)
+def create_dashboard_export(zip_path: Union[str, Path], source_paths: List[Union[str, Path]], exclude_extensions: Optional[List[str]] = None) -> bool:
+    with belief_scope(f"Create dashboard export: {zip_path}"):
+        app_logger.info("[create_dashboard_export][Enter] Packing dashboard: %s -> %s", source_paths, zip_path)
        try:
            exclude_ext = [ext.lower() for ext in exclude_extensions or []]
            with zipfile.ZipFile(zip_path, 'w', zipfile.ZIP_DEFLATED) as zipf:
@@ -412,10 +397,10 @@ def create_dashboard_export(zip_path: Union[str, Path], source_paths: List[Union
                        if item.is_file() and item.suffix.lower() not in exclude_ext:
                            arcname = item.relative_to(src_path.parent)
                            zipf.write(item, arcname)
-            logger.info("[create_dashboard_export][Exit] Archive created: %s", zip_path)
+            app_logger.info("[create_dashboard_export][Exit] Archive created: %s", zip_path)
            return True
        except (IOError, zipfile.BadZipFile, AssertionError) as e:
-            logger.error("[create_dashboard_export][Failure] Error: %s", e, exc_info=True)
+            app_logger.error("[create_dashboard_export][Failure] Error: %s", e, exc_info=True)
            return False
 # [/DEF:create_dashboard_export:Function]

@@ -426,8 +411,7 @@ def create_dashboard_export(zip_path: Union[str, Path], source_paths: List[Union
 # @PARAM: filename (str) - Исходное имя файла.
 # @RETURN: str - Очищенная строка.
 def sanitize_filename(filename: str) -> str:
-    logger = SupersetLogger(name="fileio")
-    with logger.belief_scope(f"Sanitize filename: {filename}"):
+    with belief_scope(f"Sanitize filename: {filename}"):
        return re.sub(r'[\\/*?:"<>|]', "_", filename).strip()
 # [/DEF:sanitize_filename:Function]

@@ -438,8 +422,7 @@ def sanitize_filename(filename: str) -> str:
 # @PARAM: headers (dict) - Словарь HTTP заголовков.
 # @RETURN: Optional[str] - Имя файла or `None`.
 def get_filename_from_headers(headers: dict) -> Optional[str]:
-    logger = SupersetLogger(name="fileio")
-    with logger.belief_scope("Get filename from headers"):
+    with belief_scope("Get filename from headers"):
        content_disposition = headers.get("Content-Disposition", "")
        if match := re.search(r'filename="?([^"]+)"?', content_disposition):
            return match.group(1).strip()
@@ -452,14 +435,12 @@ def get_filename_from_headers(headers: dict) -> Optional[str]:
 # @POST: Директории с одинаковым префиксом объединены в одну.
 # @THROW: TypeError, ValueError - Если `root_directory` невалиден.
 # @PARAM: root_directory (Path) - Корневая директория для консолидации.
-# @PARAM: logger (Optional[SupersetLogger]) - Экземпляр логгера.
-def consolidate_archive_folders(root_directory: Path, logger: Optional[SupersetLogger] = None) -> None:
-    logger = logger or SupersetLogger(name="fileio")  
-    with logger.belief_scope(f"Consolidate archives in {root_directory}"):
+def consolidate_archive_folders(root_directory: Path) -> None:
+    with belief_scope(f"Consolidate archives in {root_directory}"):
        assert isinstance(root_directory, Path), "root_directory must be a Path object."  
        assert root_directory.is_dir(), "root_directory must be an existing directory."  
          
-        logger.info("[consolidate_archive_folders][Enter] Consolidating archives in %s", root_directory)  
+        app_logger.info("[consolidate_archive_folders][Enter] Consolidating archives in %s", root_directory)  
        # Собираем все директории с архивами  
        archive_dirs = []  
        for item in root_directory.iterdir():  
@@ -482,7 +463,7 @@ def consolidate_archive_folders(root_directory: Path, logger: Optional[SupersetL
            # Создаем целевую директорию  
            target_dir = root_directory / slug  
            target_dir.mkdir(exist_ok=True)  
-            logger.info("[consolidate_archive_folders][State] Consolidating %d directories under %s", len(dirs), target_dir)  
+            app_logger.info("[consolidate_archive_folders][State] Consolidating %d directories under %s", len(dirs), target_dir)  
            # Перемещаем содержимое  
            for source_dir in dirs:  
                if source_dir == target_dir:  
@@ -495,13 +476,13 @@ def consolidate_archive_folders(root_directory: Path, logger: Optional[SupersetL
                        else:  
                            shutil.move(str(item), str(dest_item))  
                    except Exception as e:  
-                        logger.error("[consolidate_archive_folders][Failure] Failed to move %s to %s: %s", item, dest_item, e)  
+                        app_logger.error("[consolidate_archive_folders][Failure] Failed to move %s to %s: %s", item, dest_item, e)  
                # Удаляем исходную директорию  
                try:  
                    source_dir.rmdir()  
-                    logger.info("[consolidate_archive_folders][State] Removed source directory: %s", source_dir)  
+                    app_logger.info("[consolidate_archive_folders][State] Removed source directory: %s", source_dir)  
                except Exception as e:  
-                    logger.error("[consolidate_archive_folders][Failure] Failed to remove source directory %s: %s", source_dir, e)  
+                    app_logger.error("[consolidate_archive_folders][Failure] Failed to remove source directory %s: %s", source_dir, e)  
 # [/DEF:consolidate_archive_folders:Function]

-# [/DEF:superset_tool.utils.fileio:Module]
+# [/DEF:backend.core.utils.fileio:Module]
--- a/backend/src/core/utils/network.py
+++ b/backend/src/core/utils/network.py
@@ -1,10 +1,9 @@
-# [DEF:superset_tool.utils.network:Module]
+# [DEF:backend.core.utils.network:Module]
 #
 # @SEMANTICS: network, http, client, api, requests, session, authentication
 # @PURPOSE: Инкапсулирует низкоуровневую HTTP-логику для взаимодействия с Superset API, включая аутентификацию, управление сессией, retry-логику и обработку ошибок.
 # @LAYER: Infra
-# @RELATION:  DEPENDS_ON -> superset_tool.exceptions
-# @RELATION:  DEPENDS_ON -> superset_tool.utils.logger
+# @RELATION: DEPENDS_ON -> backend.src.core.logger
 # @RELATION: DEPENDS_ON -> requests
 # @PUBLIC_API: APIClient

@@ -16,12 +15,77 @@ from pathlib import Path
 import requests
 from requests.adapters import HTTPAdapter
 import urllib3
-from superset_tool.utils.logger import belief_scope
 from urllib3.util.retry import Retry
-from superset_tool.exceptions import AuthenticationError, NetworkError, DashboardNotFoundError, SupersetAPIError, PermissionDeniedError
-from superset_tool.utils.logger import SupersetLogger
+from ..logger import logger as app_logger, belief_scope
 # [/SECTION]

+# [DEF:SupersetAPIError:Class]
+# @PURPOSE: Base exception for all Superset API related errors.
+class SupersetAPIError(Exception):
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the exception with a message and context.
+    # @PRE: message is a string, context is a dict.
+    # @POST: Exception is initialized with context.
+    def __init__(self, message: str = "Superset API error", **context: Any):
+        with belief_scope("SupersetAPIError.__init__"):
+            self.context = context
+            super().__init__(f"[API_FAILURE] {message} | Context: {self.context}")
+    # [/DEF:__init__:Function]
+# [/DEF:SupersetAPIError:Class]
+
+# [DEF:AuthenticationError:Class]
+# @PURPOSE: Exception raised when authentication fails.
+class AuthenticationError(SupersetAPIError):
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the authentication error.
+    # @PRE: message is a string, context is a dict.
+    # @POST: AuthenticationError is initialized.
+    def __init__(self, message: str = "Authentication failed", **context: Any):
+        with belief_scope("AuthenticationError.__init__"):
+            super().__init__(message, type="authentication", **context)
+    # [/DEF:__init__:Function]
+# [/DEF:AuthenticationError:Class]
+
+# [DEF:PermissionDeniedError:Class]
+# @PURPOSE: Exception raised when access is denied.
+class PermissionDeniedError(AuthenticationError):
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the permission denied error.
+    # @PRE: message is a string, context is a dict.
+    # @POST: PermissionDeniedError is initialized.
+    def __init__(self, message: str = "Permission denied", **context: Any):
+        with belief_scope("PermissionDeniedError.__init__"):
+            super().__init__(message, **context)
+    # [/DEF:__init__:Function]
+# [/DEF:PermissionDeniedError:Class]
+
+# [DEF:DashboardNotFoundError:Class]
+# @PURPOSE: Exception raised when a dashboard cannot be found.
+class DashboardNotFoundError(SupersetAPIError):
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the not found error with resource ID.
+    # @PRE: resource_id is provided.
+    # @POST: DashboardNotFoundError is initialized.
+    def __init__(self, resource_id: Union[int, str], message: str = "Dashboard not found", **context: Any):
+        with belief_scope("DashboardNotFoundError.__init__"):
+            super().__init__(f"Dashboard '{resource_id}' {message}", subtype="not_found", resource_id=resource_id, **context)
+    # [/DEF:__init__:Function]
+# [/DEF:DashboardNotFoundError:Class]
+
+# [DEF:NetworkError:Class]
+# @PURPOSE: Exception raised when a network level error occurs.
+class NetworkError(Exception):
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the network error.
+    # @PRE: message is a string.
+    # @POST: NetworkError is initialized.
+    def __init__(self, message: str = "Network connection failed", **context: Any):
+        with belief_scope("NetworkError.__init__"):
+            self.context = context
+            super().__init__(f"[NETWORK_FAILURE] {message} | Context: {self.context}")
+    # [/DEF:__init__:Function]
+# [/DEF:NetworkError:Class]
+
 # [DEF:APIClient:Class]
 # @PURPOSE: Инкапсулирует HTTP-логику для работы с API, включая сессии, аутентификацию, и обработку запросов.
 class APIClient:
@@ -32,20 +96,18 @@ class APIClient:
    # @PARAM: config (Dict[str, Any]) - Конфигурация.
    # @PARAM: verify_ssl (bool) - Проверять ли SSL.
    # @PARAM: timeout (int) - Таймаут запросов.
-    # @PARAM: logger (Optional[SupersetLogger]) - Логгер.
    # @PRE: config must contain 'base_url' and 'auth'.
    # @POST: APIClient instance is initialized with a session.
-    def __init__(self, config: Dict[str, Any], verify_ssl: bool = True, timeout: int = DEFAULT_TIMEOUT, logger: Optional[SupersetLogger] = None):
+    def __init__(self, config: Dict[str, Any], verify_ssl: bool = True, timeout: int = DEFAULT_TIMEOUT):
        with belief_scope("__init__"):
-            self.logger = logger or SupersetLogger(name="APIClient")
-            self.logger.info("[APIClient.__init__][Entry] Initializing APIClient.")
+            app_logger.info("[APIClient.__init__][Entry] Initializing APIClient.")
        self.base_url: str = config.get("base_url", "")
        self.auth = config.get("auth")
        self.request_settings = {"verify_ssl": verify_ssl, "timeout": timeout}
        self.session = self._init_session()
        self._tokens: Dict[str, str] = {}
        self._authenticated = False
-        self.logger.info("[APIClient.__init__][Exit] APIClient initialized.")
+        app_logger.info("[APIClient.__init__][Exit] APIClient initialized.")
    # [/DEF:__init__:Function]

    # [DEF:_init_session:Function]
@@ -62,7 +124,7 @@ class APIClient:
        session.mount('https://', adapter)
        if not self.request_settings["verify_ssl"]:
            urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
-            self.logger.warning("[_init_session][State] SSL verification disabled.")
+            app_logger.warning("[_init_session][State] SSL verification disabled.")
        session.verify = self.request_settings["verify_ssl"]
        return session
    # [/DEF:_init_session:Function]
@@ -75,7 +137,7 @@ class APIClient:
    # @THROW: AuthenticationError, NetworkError - при ошибках.
    def authenticate(self) -> Dict[str, str]:
        with belief_scope("authenticate"):
-            self.logger.info("[authenticate][Enter] Authenticating to %s", self.base_url)
+            app_logger.info("[authenticate][Enter] Authenticating to %s", self.base_url)
            try:
                login_url = f"{self.base_url}/security/login"
                response = self.session.post(login_url, json=self.auth, timeout=self.request_settings["timeout"])
@@ -88,7 +150,7 @@ class APIClient:
                
                self._tokens = {"access_token": access_token, "csrf_token": csrf_response.json()["result"]}
                self._authenticated = True
-                self.logger.info("[authenticate][Exit] Authenticated successfully.")
+                app_logger.info("[authenticate][Exit] Authenticated successfully.")
                return self._tokens
            except requests.exceptions.HTTPError as e:
                raise AuthenticationError(f"Authentication failed: {e}") from e
@@ -211,12 +273,11 @@ class APIClient:
            try:
                response = self.session.post(url, files=files, data=data or {}, headers=headers, timeout=timeout or self.request_settings["timeout"])
                response.raise_for_status()
-                # Добавляем логирование для отладки
                if response.status_code == 200:
                    try:
                        return response.json()
                    except Exception as json_e:
-                        self.logger.debug(f"[_perform_upload][Debug] Response is not valid JSON: {response.text[:200]}...")
+                        app_logger.debug(f"[_perform_upload][Debug] Response is not valid JSON: {response.text[:200]}...")
                        raise SupersetAPIError(f"API error during upload: Response is not valid JSON: {json_e}") from json_e
                return response.json()
            except requests.exceptions.HTTPError as e:
@@ -262,4 +323,4 @@ class APIClient:

 # [/DEF:APIClient:Class]

-# [/DEF:superset_tool.utils.network:Module]
+# [/DEF:backend.core.utils.network:Module]
--- a/backend/src/models/git.py
+++ b/backend/src/models/git.py
@@ -0,0 +1,73 @@
+# [DEF:GitModels:Module]
+# @SEMANTICS: git, models, sqlalchemy, database, schema
+# @PURPOSE: Git-specific SQLAlchemy models for configuration and repository tracking.
+# @LAYER: Model
+# @RELATION: specs/011-git-integration-dashboard/data-model.md
+
+import enum
+from datetime import datetime
+from sqlalchemy import Column, String, Integer, DateTime, Enum, ForeignKey, Boolean
+from sqlalchemy.dialects.postgresql import UUID
+import uuid
+from src.core.database import Base
+
+class GitProvider(str, enum.Enum):
+    GITHUB = "GITHUB"
+    GITLAB = "GITLAB"
+    GITEA = "GITEA"
+
+class GitStatus(str, enum.Enum):
+    CONNECTED = "CONNECTED"
+    FAILED = "FAILED"
+    UNKNOWN = "UNKNOWN"
+
+class SyncStatus(str, enum.Enum):
+    CLEAN = "CLEAN"
+    DIRTY = "DIRTY"
+    CONFLICT = "CONFLICT"
+
+class GitServerConfig(Base):
+    """
+    [DEF:GitServerConfig:Class]
+    Configuration for a Git server connection.
+    """
+    __tablename__ = "git_server_configs"
+
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    name = Column(String(255), nullable=False)
+    provider = Column(Enum(GitProvider), nullable=False)
+    url = Column(String(255), nullable=False)
+    pat = Column(String(255), nullable=False)  # PERSONAL ACCESS TOKEN
+    default_repository = Column(String(255), nullable=True)
+    status = Column(Enum(GitStatus), default=GitStatus.UNKNOWN)
+    last_validated = Column(DateTime, default=datetime.utcnow)
+
+class GitRepository(Base):
+    """
+    [DEF:GitRepository:Class]
+    Tracking for a local Git repository linked to a dashboard.
+    """
+    __tablename__ = "git_repositories"
+
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    dashboard_id = Column(Integer, nullable=False, unique=True)
+    config_id = Column(String(36), ForeignKey("git_server_configs.id"), nullable=False)
+    remote_url = Column(String(255), nullable=False)
+    local_path = Column(String(255), nullable=False)
+    current_branch = Column(String(255), default="main")
+    sync_status = Column(Enum(SyncStatus), default=SyncStatus.CLEAN)
+
+class DeploymentEnvironment(Base):
+    """
+    [DEF:DeploymentEnvironment:Class]
+    Target Superset environments for dashboard deployment.
+    """
+    __tablename__ = "deployment_environments"
+
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    name = Column(String(255), nullable=False)
+    superset_url = Column(String(255), nullable=False)
+    superset_token = Column(String(255), nullable=False)
+    is_active = Column(Boolean, default=True)
+
+# [/DEF:GitModels:Module]
--- a/backend/src/models/storage.py
+++ b/backend/src/models/storage.py
@@ -0,0 +1,31 @@
+from datetime import datetime
+from enum import Enum
+from typing import Optional
+from pydantic import BaseModel, Field
+
+# [DEF:FileCategory:Class]
+# @PURPOSE: Enumeration of supported file categories in the storage system.
+class FileCategory(str, Enum):
+    BACKUP = "backups"
+    REPOSITORY = "repositorys"
+# [/DEF:FileCategory:Class]
+
+# [DEF:StorageConfig:Class]
+# @PURPOSE: Configuration model for the storage system, defining paths and naming patterns.
+class StorageConfig(BaseModel):
+    root_path: str = Field(default="backups", description="Absolute path to the storage root directory.")
+    backup_structure_pattern: str = Field(default="{category}/", description="Pattern for backup directory structure.")
+    repo_structure_pattern: str = Field(default="{category}/", description="Pattern for repository directory structure.")
+    filename_pattern: str = Field(default="{name}_{timestamp}", description="Pattern for filenames.")
+# [/DEF:StorageConfig:Class]
+
+# [DEF:StoredFile:Class]
+# @PURPOSE: Data model representing metadata for a file stored in the system.
+class StoredFile(BaseModel):
+    name: str = Field(..., description="Name of the file (including extension).")
+    path: str = Field(..., description="Relative path from storage root.")
+    size: int = Field(..., ge=0, description="Size of the file in bytes.")
+    created_at: datetime = Field(..., description="Creation timestamp.")
+    category: FileCategory = Field(..., description="Category of the file.")
+    mime_type: Optional[str] = Field(None, description="MIME type of the file.")
+# [/DEF:StoredFile:Class]
--- a/backend/src/plugins/backup.py
+++ b/backend/src/plugins/backup.py
@@ -12,10 +12,9 @@ from requests.exceptions import RequestException

 from ..core.plugin_base import PluginBase
 from ..core.logger import belief_scope
-from superset_tool.client import SupersetClient
-from superset_tool.exceptions import SupersetAPIError
-from superset_tool.utils.logger import SupersetLogger
-from superset_tool.utils.fileio import (
+from ..core.superset_client import SupersetClient
+from ..core.utils.network import SupersetAPIError
+from ..core.utils.fileio import (
    save_and_unpack_dashboard,
    archive_exports,
    sanitize_filename,
@@ -23,7 +22,6 @@ from superset_tool.utils.fileio import (
    remove_empty_directories,
    RetentionPolicy
 )
-from superset_tool.utils.init_clients import setup_clients
 from ..dependencies import get_config_manager

 # [DEF:BackupPlugin:Class]
@@ -86,7 +84,7 @@ class BackupPlugin(PluginBase):
        with belief_scope("get_schema"):
            config_manager = get_config_manager()
            envs = [e.name for e in config_manager.get_environments()]
-        default_path = config_manager.get_config().settings.backup_path
+        default_path = config_manager.get_config().settings.storage.root_path
        
        return {
            "type": "object",
@@ -97,14 +95,8 @@ class BackupPlugin(PluginBase):
                    "description": "The Superset environment to back up.",
                    "enum": envs if envs else [],
                },
-                "backup_path": {
-                    "type": "string",
-                    "title": "Backup Path",
-                    "description": "The root directory to save backups to.",
-                    "default": default_path
-                }
            },
-            "required": ["env", "backup_path"],
+            "required": ["env"],
        }
    # [/DEF:get_schema:Function]

@@ -128,28 +120,29 @@ class BackupPlugin(PluginBase):
            if not env:
                raise KeyError("env")

-            backup_path_str = params.get("backup_path") or config_manager.get_config().settings.backup_path
-            backup_path = Path(backup_path_str)
+            storage_settings = config_manager.get_config().settings.storage
+            # Use 'backups' subfolder within the storage root
+            backup_path = Path(storage_settings.root_path) / "backups"
            
-            logger = SupersetLogger(log_dir=backup_path / "Logs", console=True)
-            logger.info(f"[BackupPlugin][Entry] Starting backup for {env}.")
+            from ..core.logger import logger as app_logger
+            app_logger.info(f"[BackupPlugin][Entry] Starting backup for {env}.")

            try:
                config_manager = get_config_manager()
                if not config_manager.has_environments():
                    raise ValueError("No Superset environments configured. Please add an environment in Settings.")
                    
-                clients = setup_clients(logger, custom_envs=config_manager.get_environments())
-                client = clients.get(env)
-                
-                if not client:
+                env_config = config_manager.get_environment(env)
+                if not env_config:
                    raise ValueError(f"Environment '{env}' not found in configuration.")
                
+                client = SupersetClient(env_config)
+                
                dashboard_count, dashboard_meta = client.get_dashboards()
-                logger.info(f"[BackupPlugin][Progress] Found {dashboard_count} dashboards to export in {env}.")
+                app_logger.info(f"[BackupPlugin][Progress] Found {dashboard_count} dashboards to export in {env}.")

                if dashboard_count == 0:
-                    logger.info("[BackupPlugin][Exit] No dashboards to back up.")
+                    app_logger.info("[BackupPlugin][Exit] No dashboards to back up.")
                    return

                for db in dashboard_meta:
@@ -169,23 +162,22 @@ class BackupPlugin(PluginBase):
                            zip_content=zip_content,
                            original_filename=filename,
                            output_dir=dashboard_dir,
-                            unpack=False,
-                            logger=logger
+                            unpack=False
                        )

-                        archive_exports(str(dashboard_dir), policy=RetentionPolicy(), logger=logger)
+                        archive_exports(str(dashboard_dir), policy=RetentionPolicy())

                    except (SupersetAPIError, RequestException, IOError, OSError) as db_error:
-                        logger.error(f"[BackupPlugin][Failure] Failed to export dashboard {dashboard_title} (ID: {dashboard_id}): {db_error}", exc_info=True)
+                        app_logger.error(f"[BackupPlugin][Failure] Failed to export dashboard {dashboard_title} (ID: {dashboard_id}): {db_error}", exc_info=True)
                        continue
                
-                consolidate_archive_folders(backup_path / env.upper(), logger=logger)
-                remove_empty_directories(str(backup_path / env.upper()), logger=logger)
+                consolidate_archive_folders(backup_path / env.upper())
+                remove_empty_directories(str(backup_path / env.upper()))

-                logger.info(f"[BackupPlugin][CoherenceCheck:Passed] Backup logic completed for {env}.")
+                app_logger.info(f"[BackupPlugin][CoherenceCheck:Passed] Backup logic completed for {env}.")

            except (RequestException, IOError, KeyError) as e:
-                logger.critical(f"[BackupPlugin][Failure] Fatal error during backup for {env}: {e}", exc_info=True)
+                app_logger.critical(f"[BackupPlugin][Failure] Fatal error during backup for {env}: {e}", exc_info=True)
                raise e
    # [/DEF:execute:Function]
 # [/DEF:BackupPlugin:Class]
--- a/backend/src/plugins/debug.py
+++ b/backend/src/plugins/debug.py
@@ -145,19 +145,7 @@ class DebugPlugin(PluginBase):
            if not env_config:
                raise ValueError(f"Environment '{name}' not found.")
            
-            # Map Environment model to SupersetConfig
-            from superset_tool.models import SupersetConfig
-            superset_config = SupersetConfig(
-                env=env_config.name,
-                base_url=env_config.url,
-                auth={
-                    "provider": "db",  # Defaulting to db provider
-                    "username": env_config.username,
-                    "password": env_config.password,
-                    "refresh": "false"
-                }
-            )
-            client = SupersetClient(superset_config)
+            client = SupersetClient(env_config)
            client.authenticate()
            count, dbs = client.get_databases()
            results[name] = {
@@ -188,19 +176,7 @@ class DebugPlugin(PluginBase):
        if not env_config:
            raise ValueError(f"Environment '{env_name}' not found.")
            
-        # Map Environment model to SupersetConfig
-        from superset_tool.models import SupersetConfig
-        superset_config = SupersetConfig(
-            env=env_config.name,
-            base_url=env_config.url,
-            auth={
-                "provider": "db",  # Defaulting to db provider
-                "username": env_config.username,
-                "password": env_config.password,
-                "refresh": "false"
-            }
-        )
-        client = SupersetClient(superset_config)
+        client = SupersetClient(env_config)
        client.authenticate()
        
        dataset_response = client.get_dataset(dataset_id)
--- a/backend/src/plugins/git_plugin.py
+++ b/backend/src/plugins/git_plugin.py
@@ -0,0 +1,376 @@
+# [DEF:backend.src.plugins.git_plugin:Module]
+#
+# @SEMANTICS: git, plugin, dashboard, version_control, sync, deploy
+# @PURPOSE:   Предоставляет плагин для версионирования и развертывания дашбордов Superset.
+# @LAYER:     Plugin
+# @RELATION:  INHERITS_FROM -> src.core.plugin_base.PluginBase
+# @RELATION:  USES -> src.services.git_service.GitService
+# @RELATION:  USES -> src.core.superset_client.SupersetClient
+# @RELATION:  USES -> src.core.config_manager.ConfigManager
+#
+# @INVARIANT: Все операции с Git должны выполняться через GitService.
+# @CONSTRAINT: Плагин работает только с распакованными YAML-экспортами Superset.
+
+# [SECTION: IMPORTS]
+import os
+import io
+import shutil
+import zipfile
+from pathlib import Path
+from typing import Dict, Any, Optional
+from src.core.plugin_base import PluginBase
+from src.services.git_service import GitService
+from src.core.logger import logger, belief_scope
+from src.core.config_manager import ConfigManager
+from src.core.superset_client import SupersetClient
+# [/SECTION]
+
+# [DEF:GitPlugin:Class]
+# @PURPOSE: Реализация плагина Git Integration для управления версиями дашбордов.
+class GitPlugin(PluginBase):
+    
+    # [DEF:__init__:Function]
+    # @PURPOSE: Инициализирует плагин и его зависимости.
+    # @PRE: config.json exists or shared config_manager is available.
+    # @POST: Инициализированы git_service и config_manager.
+    def __init__(self):
+        with belief_scope("GitPlugin.__init__"):
+            logger.info("[GitPlugin.__init__][Entry] Initializing GitPlugin.")
+            self.git_service = GitService()
+            
+            # Robust config path resolution:
+            # 1. Try absolute path from src/dependencies.py style if possible
+            # 2. Try relative paths based on common execution patterns
+            if os.path.exists("../config.json"):
+                config_path = "../config.json"
+            elif os.path.exists("config.json"):
+                config_path = "config.json"
+            else:
+                # Fallback to the one initialized in dependencies if we can import it
+                try:
+                    from src.dependencies import config_manager
+                    self.config_manager = config_manager
+                    logger.info("[GitPlugin.__init__][Exit] GitPlugin initialized using shared config_manager.")
+                    return
+                except:
+                    config_path = "config.json"
+
+            self.config_manager = ConfigManager(config_path)
+            logger.info(f"[GitPlugin.__init__][Exit] GitPlugin initialized with {config_path}")
+    # [/DEF:__init__:Function]
+
+    @property
+    # [DEF:id:Function]
+    # @PURPOSE: Returns the plugin identifier.
+    # @PRE: GitPlugin is initialized.
+    # @POST: Returns 'git-integration'.
+    def id(self) -> str:
+        with belief_scope("GitPlugin.id"):
+            return "git-integration"
+    # [/DEF:id:Function]
+
+    @property
+    # [DEF:name:Function]
+    # @PURPOSE: Returns the plugin name.
+    # @PRE: GitPlugin is initialized.
+    # @POST: Returns the human-readable name.
+    def name(self) -> str:
+        with belief_scope("GitPlugin.name"):
+            return "Git Integration"
+    # [/DEF:name:Function]
+
+    @property
+    # [DEF:description:Function]
+    # @PURPOSE: Returns the plugin description.
+    # @PRE: GitPlugin is initialized.
+    # @POST: Returns the plugin's purpose description.
+    def description(self) -> str:
+        with belief_scope("GitPlugin.description"):
+            return "Version control for Superset dashboards"
+    # [/DEF:description:Function]
+
+    @property
+    # [DEF:version:Function]
+    # @PURPOSE: Returns the plugin version.
+    # @PRE: GitPlugin is initialized.
+    # @POST: Returns the version string.
+    def version(self) -> str:
+        with belief_scope("GitPlugin.version"):
+            return "0.1.0"
+    # [/DEF:version:Function]
+
+    # [DEF:get_schema:Function]
+    # @PURPOSE: Возвращает JSON-схему параметров для выполнения задач плагина.
+    # @PRE: GitPlugin is initialized.
+    # @POST: Returns a JSON schema dictionary.
+    # @RETURN: Dict[str, Any] - Схема параметров.
+    def get_schema(self) -> Dict[str, Any]:
+        with belief_scope("GitPlugin.get_schema"):
+            return {
+                "type": "object",
+                "properties": {
+                    "operation": {"type": "string", "enum": ["sync", "deploy", "history"]},
+                    "dashboard_id": {"type": "integer"},
+                    "environment_id": {"type": "string"},
+                    "source_env_id": {"type": "string"}
+                },
+                "required": ["operation", "dashboard_id"]
+            }
+    # [/DEF:get_schema:Function]
+
+    # [DEF:initialize:Function]
+    # @PURPOSE: Выполняет начальную настройку плагина.
+    # @PRE: GitPlugin is initialized.
+    # @POST: Плагин готов к выполнению задач.
+    async def initialize(self):
+        with belief_scope("GitPlugin.initialize"):
+            logger.info("[GitPlugin.initialize][Action] Initializing Git Integration Plugin logic.")
+
+    # [DEF:execute:Function]
+    # @PURPOSE: Основной метод выполнения задач плагина.
+    # @PRE: task_data содержит 'operation' и 'dashboard_id'.
+    # @POST: Возвращает результат выполнения операции.
+    # @PARAM: task_data (Dict[str, Any]) - Данные задачи.
+    # @RETURN: Dict[str, Any] - Статус и сообщение.
+    # @RELATION: CALLS -> self._handle_sync
+    # @RELATION: CALLS -> self._handle_deploy
+    async def execute(self, task_data: Dict[str, Any]) -> Dict[str, Any]:
+        with belief_scope("GitPlugin.execute"):
+            operation = task_data.get("operation")
+            dashboard_id = task_data.get("dashboard_id")
+            
+            logger.info(f"[GitPlugin.execute][Entry] Executing operation: {operation} for dashboard {dashboard_id}")
+            
+            if operation == "sync":
+                source_env_id = task_data.get("source_env_id")
+                result = await self._handle_sync(dashboard_id, source_env_id)
+            elif operation == "deploy":
+                env_id = task_data.get("environment_id")
+                result = await self._handle_deploy(dashboard_id, env_id)
+            elif operation == "history":
+                result = {"status": "success", "message": "History available via API"}
+            else:
+                logger.error(f"[GitPlugin.execute][Coherence:Failed] Unknown operation: {operation}")
+                raise ValueError(f"Unknown operation: {operation}")
+            
+            logger.info(f"[GitPlugin.execute][Exit] Operation {operation} completed.")
+            return result
+    # [/DEF:execute:Function]
+
+    # [DEF:_handle_sync:Function]
+    # @PURPOSE: Экспортирует дашборд из Superset и распаковывает в Git-репозиторий.
+    # @PRE: Репозиторий для дашборда должен существовать.
+    # @POST: Файлы в репозитории обновлены до текущего состояния в Superset.
+    # @PARAM: dashboard_id (int) - ID дашборда.
+    # @PARAM: source_env_id (Optional[str]) - ID исходного окружения.
+    # @RETURN: Dict[str, str] - Результат синхронизации.
+    # @SIDE_EFFECT: Изменяет файлы в локальной рабочей директории репозитория.
+    # @RELATION: CALLS -> src.services.git_service.GitService.get_repo
+    # @RELATION: CALLS -> src.core.superset_client.SupersetClient.export_dashboard
+    async def _handle_sync(self, dashboard_id: int, source_env_id: Optional[str] = None) -> Dict[str, str]:
+        with belief_scope("GitPlugin._handle_sync"):
+            try:
+                # 1. Получение репозитория
+                repo = self.git_service.get_repo(dashboard_id)
+                repo_path = Path(repo.working_dir)
+                logger.info(f"[_handle_sync][Action] Target repo path: {repo_path}")
+
+                # 2. Настройка клиента Superset
+                env = self._get_env(source_env_id)
+                client = SupersetClient(env)
+                client.authenticate()
+
+                # 3. Экспорт дашборда
+                logger.info(f"[_handle_sync][Action] Exporting dashboard {dashboard_id} from {env.name}")
+                zip_bytes, _ = client.export_dashboard(dashboard_id)
+                
+                # 4. Распаковка с выравниванием структуры (flattening)
+                logger.info(f"[_handle_sync][Action] Unpacking export to {repo_path}")
+                
+                # Список папок/файлов, которые мы ожидаем от Superset
+                managed_dirs = ["dashboards", "charts", "datasets", "databases"]
+                managed_files = ["metadata.yaml"]
+                
+                # Очистка старых данных перед распаковкой, чтобы не оставалось "призраков"
+                for d in managed_dirs:
+                    d_path = repo_path / d
+                    if d_path.exists() and d_path.is_dir():
+                        shutil.rmtree(d_path)
+                for f in managed_files:
+                    f_path = repo_path / f
+                    if f_path.exists():
+                        f_path.unlink()
+
+                with zipfile.ZipFile(io.BytesIO(zip_bytes)) as zf:
+                    # Superset экспортирует всё в подпапку dashboard_export_timestamp/
+                    # Нам нужно найти это имя папки
+                    namelist = zf.namelist()
+                    if not namelist:
+                        raise ValueError("Export ZIP is empty")
+                    
+                    root_folder = namelist[0].split('/')[0]
+                    logger.info(f"[_handle_sync][Action] Detected root folder in ZIP: {root_folder}")
+                    
+                    for member in zf.infolist():
+                        if member.filename.startswith(root_folder + "/") and len(member.filename) > len(root_folder) + 1:
+                            # Убираем префикс папки
+                            relative_path = member.filename[len(root_folder)+1:]
+                            target_path = repo_path / relative_path
+                            
+                            if member.is_dir():
+                                target_path.mkdir(parents=True, exist_ok=True)
+                            else:
+                                target_path.parent.mkdir(parents=True, exist_ok=True)
+                                with zf.open(member) as source, open(target_path, "wb") as target:
+                                    shutil.copyfileobj(source, target)
+                
+                # 5. Автоматический staging изменений (не коммит, чтобы юзер мог проверить diff)
+                try:
+                    repo.git.add(A=True)
+                    logger.info(f"[_handle_sync][Action] Changes staged in git")
+                except Exception as ge:
+                    logger.warning(f"[_handle_sync][Action] Failed to stage changes: {ge}")
+
+                logger.info(f"[_handle_sync][Coherence:OK] Dashboard {dashboard_id} synced successfully.")
+                return {"status": "success", "message": "Dashboard synced and flattened in local repository"}
+
+            except Exception as e:
+                logger.error(f"[_handle_sync][Coherence:Failed] Sync failed: {e}")
+                raise
+    # [/DEF:_handle_sync:Function]
+
+    # [DEF:_handle_deploy:Function]
+    # @PURPOSE: Упаковывает репозиторий в ZIP и импортирует в целевое окружение Superset.
+    # @PRE: environment_id должен соответствовать настроенному окружению.
+    # @POST: Дашборд импортирован в целевой Superset.
+    # @PARAM: dashboard_id (int) - ID дашборда.
+    # @PARAM: env_id (str) - ID целевого окружения.
+    # @RETURN: Dict[str, Any] - Результат деплоя.
+    # @SIDE_EFFECT: Создает и удаляет временный ZIP-файл.
+    # @RELATION: CALLS -> src.core.superset_client.SupersetClient.import_dashboard
+    async def _handle_deploy(self, dashboard_id: int, env_id: str) -> Dict[str, Any]:
+        with belief_scope("GitPlugin._handle_deploy"):
+            try:
+                if not env_id:
+                    raise ValueError("Target environment ID required for deployment")
+
+                # 1. Получение репозитория
+                repo = self.git_service.get_repo(dashboard_id)
+                repo_path = Path(repo.working_dir)
+
+                # 2. Упаковка в ZIP
+                logger.info(f"[_handle_deploy][Action] Packing repository {repo_path} for deployment.")
+                zip_buffer = io.BytesIO()
+                
+                # Superset expects a root directory in the ZIP (e.g., dashboard_export_20240101T000000/)
+                root_dir_name = f"dashboard_export_{dashboard_id}"
+                
+                with zipfile.ZipFile(zip_buffer, "w", zipfile.ZIP_DEFLATED) as zf:
+                    for root, dirs, files in os.walk(repo_path):
+                        if ".git" in dirs:
+                            dirs.remove(".git")
+                        for file in files:
+                            if file == ".git" or file.endswith(".zip"): continue
+                            file_path = Path(root) / file
+                            # Prepend the root directory name to the archive path
+                            arcname = Path(root_dir_name) / file_path.relative_to(repo_path)
+                            zf.write(file_path, arcname)
+                
+                zip_buffer.seek(0)
+                
+                # 3. Настройка клиента Superset
+                env = self.config_manager.get_environment(env_id)
+                if not env:
+                    raise ValueError(f"Environment {env_id} not found")
+                
+                client = SupersetClient(env)
+                client.authenticate()
+
+                # 4. Импорт
+                temp_zip_path = repo_path / f"deploy_{dashboard_id}.zip"
+                logger.info(f"[_handle_deploy][Action] Saving temporary zip to {temp_zip_path}")
+                with open(temp_zip_path, "wb") as f:
+                    f.write(zip_buffer.getvalue())
+                
+                try:
+                    logger.info(f"[_handle_deploy][Action] Importing dashboard to {env.name}")
+                    result = client.import_dashboard(temp_zip_path)
+                    logger.info(f"[_handle_deploy][Coherence:OK] Deployment successful for dashboard {dashboard_id}.")
+                    return {"status": "success", "message": f"Dashboard deployed to {env.name}", "details": result}
+                finally:
+                    if temp_zip_path.exists():
+                        os.remove(temp_zip_path)
+
+            except Exception as e:
+                logger.error(f"[_handle_deploy][Coherence:Failed] Deployment failed: {e}")
+                raise
+    # [/DEF:_handle_deploy:Function]
+
+    # [DEF:_get_env:Function]
+    # @PURPOSE: Вспомогательный метод для получения конфигурации окружения.
+    # @PARAM: env_id (Optional[str]) - ID окружения.
+    # @PRE: env_id is a string or None.
+    # @POST: Returns an Environment object from config or DB.
+    # @RETURN: Environment - Объект конфигурации окружения.
+    def _get_env(self, env_id: Optional[str] = None):
+        with belief_scope("GitPlugin._get_env"):
+            logger.info(f"[_get_env][Entry] Fetching environment for ID: {env_id}")
+            
+            # Priority 1: ConfigManager (config.json)
+            if env_id:
+                env = self.config_manager.get_environment(env_id)
+                if env:
+                    logger.info(f"[_get_env][Exit] Found environment by ID in ConfigManager: {env.name}")
+                    return env
+            
+            # Priority 2: Database (DeploymentEnvironment)
+            from src.core.database import SessionLocal
+            from src.models.git import DeploymentEnvironment
+            
+            db = SessionLocal()
+            try:
+                if env_id:
+                    db_env = db.query(DeploymentEnvironment).filter(DeploymentEnvironment.id == env_id).first()
+                else:
+                    # If no ID, try to find active or any environment in DB
+                    db_env = db.query(DeploymentEnvironment).filter(DeploymentEnvironment.is_active == True).first()
+                    if not db_env:
+                        db_env = db.query(DeploymentEnvironment).first()
+
+                if db_env:
+                    logger.info(f"[_get_env][Exit] Found environment in DB: {db_env.name}")
+                    from src.core.config_models import Environment
+                    # Use token as password for SupersetClient
+                    return Environment(
+                        id=db_env.id,
+                        name=db_env.name,
+                        url=db_env.superset_url,
+                        username="admin",
+                        password=db_env.superset_token,
+                        verify_ssl=True
+                    )
+            finally:
+                db.close()
+            
+            # Priority 3: ConfigManager Default (if no env_id provided)
+            envs = self.config_manager.get_environments()
+            if envs:
+                if env_id:
+                    # If env_id was provided but not found in DB or specifically by ID in config,
+                    # but we have other envs, maybe it's one of them?
+                    env = next((e for e in envs if e.id == env_id), None)
+                    if env:
+                        logger.info(f"[_get_env][Exit] Found environment {env_id} in ConfigManager list")
+                        return env
+                
+                if not env_id:
+                    logger.info(f"[_get_env][Exit] Using first environment from ConfigManager: {envs[0].name}")
+                    return envs[0]
+                
+            logger.error(f"[_get_env][Coherence:Failed] No environments configured (searched config.json and DB). env_id={env_id}")
+            raise ValueError("No environments configured. Please add a Superset Environment in Settings.")
+    # [/DEF:_get_env:Function]
+
+    # [/DEF:initialize:Function]
+# [/DEF:GitPlugin:Class]
+# [/DEF:backend.src.plugins.git_plugin:Module]
--- a/backend/src/plugins/mapper.py
+++ b/backend/src/plugins/mapper.py
@@ -12,8 +12,7 @@ from ..core.superset_client import SupersetClient
 from ..core.logger import logger, belief_scope
 from ..core.database import SessionLocal
 from ..models.connection import ConnectionConfig
-from superset_tool.utils.dataset_mapper import DatasetMapper
-from superset_tool.utils.logger import SupersetLogger
+from ..core.utils.dataset_mapper import DatasetMapper
 # [/SECTION]

 # [DEF:MapperPlugin:Class]
@@ -137,25 +136,13 @@ class MapperPlugin(PluginBase):

            # Get config and initialize client
            from ..dependencies import get_config_manager
-            from superset_tool.models import SupersetConfig
            config_manager = get_config_manager()
            env_config = config_manager.get_environment(env_name)
            if not env_config:
                logger.error(f"[MapperPlugin.execute][State] Environment '{env_name}' not found.")
                raise ValueError(f"Environment '{env_name}' not found in configuration.")

-            # Map Environment model to SupersetConfig
-            superset_config = SupersetConfig(
-                env=env_config.name,
-                base_url=env_config.url,
-                auth={
-                    "provider": "db",  # Defaulting to db provider
-                    "username": env_config.username,
-                    "password": env_config.password,
-                    "refresh": "false"
-                }
-            )
-            client = SupersetClient(superset_config)
+            client = SupersetClient(env_config)
            client.authenticate()

            postgres_config = None
@@ -185,9 +172,7 @@ class MapperPlugin(PluginBase):

            logger.info(f"[MapperPlugin.execute][Action] Starting mapping for dataset {dataset_id} in {env_name}")
            
-            # Use internal SupersetLogger for DatasetMapper
-            s_logger = SupersetLogger(name="dataset_mapper_plugin")
-            mapper = DatasetMapper(s_logger)
+            mapper = DatasetMapper()
            
            try:
                mapper.run_mapping(
--- a/backend/src/plugins/migration.py
+++ b/backend/src/plugins/migration.py
@@ -13,11 +13,9 @@ import re

 from ..core.plugin_base import PluginBase
 from ..core.logger import belief_scope
-from superset_tool.client import SupersetClient
-from superset_tool.utils.init_clients import setup_clients
-from superset_tool.utils.fileio import create_temp_file, update_yamls, create_dashboard_export
+from ..core.superset_client import SupersetClient
+from ..core.utils.fileio import create_temp_file, update_yamls, create_dashboard_export
 from ..dependencies import get_config_manager
-from superset_tool.utils.logger import SupersetLogger
 from ..core.migration_engine import MigrationEngine
 from ..core.database import SessionLocal
 from ..models.mapping import DatabaseMapping, Environment
@@ -150,7 +148,7 @@ class MigrationPlugin(PluginBase):
        from ..dependencies import get_task_manager
        tm = get_task_manager()

-        class TaskLoggerProxy(SupersetLogger):
+        class TaskLoggerProxy:
            # [DEF:__init__:Function]
            # @PURPOSE: Initializes the proxy logger.
            # @PRE:     None.
@@ -158,7 +156,7 @@ class MigrationPlugin(PluginBase):
            def __init__(self):
                with belief_scope("__init__"):
                    # Initialize parent with dummy values since we override methods
-                    super().__init__(console=False)
+                    pass
            # [/DEF:__init__:Function]
                
            # [DEF:debug:Function]
@@ -246,9 +244,8 @@ class MigrationPlugin(PluginBase):

            logger.info(f"[MigrationPlugin][State] Resolved environments: {from_env_name} -> {to_env_name}")

-            all_clients = setup_clients(logger, custom_envs=environments)
-            from_c = all_clients.get(from_env_name)
-            to_c = all_clients.get(to_env_name)
+            from_c = SupersetClient(src_env)
+            to_c = SupersetClient(tgt_env)
            
            if not from_c or not to_c:
                raise ValueError(f"Clients not initialized for environments: {from_env_name}, {to_env_name}")
--- a/backend/src/plugins/search.py
+++ b/backend/src/plugins/search.py
@@ -106,25 +106,13 @@ class SearchPlugin(PluginBase):

            # Get config and initialize client
            from ..dependencies import get_config_manager
-            from superset_tool.models import SupersetConfig
            config_manager = get_config_manager()
            env_config = config_manager.get_environment(env_name)
            if not env_config:
                logger.error(f"[SearchPlugin.execute][State] Environment '{env_name}' not found.")
                raise ValueError(f"Environment '{env_name}' not found in configuration.")

-            # Map Environment model to SupersetConfig
-            superset_config = SupersetConfig(
-                env=env_config.name,
-                base_url=env_config.url,
-                auth={
-                    "provider": "db",  # Defaulting to db provider
-                    "username": env_config.username,
-                    "password": env_config.password,
-                    "refresh": "false"
-                }
-            )
-            client = SupersetClient(superset_config)
+            client = SupersetClient(env_config)
            client.authenticate()

            logger.info(f"[SearchPlugin.execute][Action] Searching for pattern: '{search_query}' in environment: {env_name}")
--- a/backend/src/plugins/storage/init.py
+++ b/backend/src/plugins/storage/init.py
@@ -0,0 +1,3 @@
+from .plugin import StoragePlugin
+
+__all__ = ["StoragePlugin"]
--- a/backend/src/plugins/storage/plugin.py
+++ b/backend/src/plugins/storage/plugin.py
@@ -0,0 +1,324 @@
+# [DEF:StoragePlugin:Module]
+#
+# @SEMANTICS: storage, files, filesystem, plugin
+# @PURPOSE:   Provides core filesystem operations for managing backups and repositories.
+# @LAYER:     App
+# @RELATION:  IMPLEMENTS -> PluginBase
+# @RELATION:  DEPENDS_ON -> backend.src.models.storage
+#
+# @INVARIANT: All file operations must be restricted to the configured storage root.
+
+# [SECTION: IMPORTS]
+import os
+import shutil
+from pathlib import Path
+from datetime import datetime
+from typing import Dict, Any, List, Optional
+from fastapi import UploadFile
+
+from ...core.plugin_base import PluginBase
+from ...core.logger import belief_scope, logger
+from ...models.storage import StoredFile, FileCategory, StorageConfig
+from ...dependencies import get_config_manager
+# [/SECTION]
+
+# [DEF:StoragePlugin:Class]
+# @PURPOSE: Implementation of the storage management plugin.
+class StoragePlugin(PluginBase):
+    """
+    Plugin for managing local file storage for backups and repositories.
+    """
+
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the StoragePlugin and ensures required directories exist.
+    # @PRE: Configuration manager must be accessible.
+    # @POST: Storage root and category directories are created on disk.
+    def __init__(self):
+        with belief_scope("StoragePlugin:init"):
+            self.ensure_directories()
+    # [/DEF:__init__:Function]
+
+    @property
+    # [DEF:id:Function]
+    # @PURPOSE: Returns the unique identifier for the storage plugin.
+    # @PRE: None.
+    # @POST: Returns the plugin ID string.
+    # @RETURN: str - "storage-manager"
+    def id(self) -> str:
+        with belief_scope("StoragePlugin:id"):
+            return "storage-manager"
+    # [/DEF:id:Function]
+
+    @property
+    # [DEF:name:Function]
+    # @PURPOSE: Returns the human-readable name of the storage plugin.
+    # @PRE: None.
+    # @POST: Returns the plugin name string.
+    # @RETURN: str - "Storage Manager"
+    def name(self) -> str:
+        with belief_scope("StoragePlugin:name"):
+            return "Storage Manager"
+    # [/DEF:name:Function]
+
+    @property
+    # [DEF:description:Function]
+    # @PURPOSE: Returns a description of the storage plugin.
+    # @PRE: None.
+    # @POST: Returns the plugin description string.
+    # @RETURN: str - Plugin description.
+    def description(self) -> str:
+        with belief_scope("StoragePlugin:description"):
+            return "Manages local file storage for backups and repositories."
+    # [/DEF:description:Function]
+
+    @property
+    # [DEF:version:Function]
+    # @PURPOSE: Returns the version of the storage plugin.
+    # @PRE: None.
+    # @POST: Returns the version string.
+    # @RETURN: str - "1.0.0"
+    def version(self) -> str:
+        with belief_scope("StoragePlugin:version"):
+            return "1.0.0"
+    # [/DEF:version:Function]
+
+    # [DEF:get_schema:Function]
+    # @PURPOSE: Returns the JSON schema for storage plugin parameters.
+    # @PRE: None.
+    # @POST: Returns a dictionary representing the JSON schema.
+    # @RETURN: Dict[str, Any] - JSON schema.
+    def get_schema(self) -> Dict[str, Any]:
+        with belief_scope("StoragePlugin:get_schema"):
+            return {
+            "type": "object",
+            "properties": {
+                "category": {
+                    "type": "string",
+                    "enum": [c.value for c in FileCategory],
+                    "title": "Category"
+                }
+            },
+            "required": ["category"]
+        }
+    # [/DEF:get_schema:Function]
+
+    # [DEF:execute:Function]
+    # @PURPOSE: Executes storage-related tasks (placeholder for PluginBase compliance).
+    # @PRE: params must match the plugin schema.
+    # @POST: Task is executed and logged.
+    async def execute(self, params: Dict[str, Any]):
+        with belief_scope("StoragePlugin:execute"):
+            logger.info(f"[StoragePlugin][Action] Executing with params: {params}")
+    # [/DEF:execute:Function]
+
+    # [DEF:get_storage_root:Function]
+    # @PURPOSE: Resolves the absolute path to the storage root.
+    # @PRE: Settings must define a storage root path.
+    # @POST: Returns a Path object representing the storage root.
+    def get_storage_root(self) -> Path:
+        with belief_scope("StoragePlugin:get_storage_root"):
+            config_manager = get_config_manager()
+            global_settings = config_manager.get_config().settings
+            
+            # Use storage.root_path as the source of truth for storage UI
+            root = Path(global_settings.storage.root_path)
+                
+            if not root.is_absolute():
+                # Resolve relative to the backend directory
+                # Path(__file__) is backend/src/plugins/storage/plugin.py
+                # parents[3] is the project root (ss-tools)
+                # We need to ensure it's relative to where backend/ is
+                project_root = Path(__file__).parents[3]
+                root = (project_root / root).resolve()
+            return root
+    # [/DEF:get_storage_root:Function]
+
+    # [DEF:resolve_path:Function]
+    # @PURPOSE: Resolves a dynamic path pattern using provided variables.
+    # @PARAM: pattern (str) - The path pattern to resolve.
+    # @PARAM: variables (Dict[str, str]) - Variables to substitute in the pattern.
+    # @PRE: pattern must be a valid format string.
+    # @POST: Returns the resolved path string.
+    # @RETURN: str - The resolved path.
+    def resolve_path(self, pattern: str, variables: Dict[str, str]) -> str:
+        with belief_scope("StoragePlugin:resolve_path"):
+            # Add common variables
+            vars_with_defaults = {
+                "timestamp": datetime.now().strftime("%Y%m%dT%H%M%S"),
+                **variables
+            }
+            try:
+                resolved = pattern.format(**vars_with_defaults)
+                # Clean up any double slashes or leading/trailing slashes for relative path
+                return os.path.normpath(resolved).strip("/")
+            except KeyError as e:
+                logger.warning(f"[StoragePlugin][Coherence:Failed] Missing variable for path resolution: {e}")
+                # Fallback to literal pattern if formatting fails partially (or handle as needed)
+                return pattern.replace("{", "").replace("}", "")
+    # [/DEF:resolve_path:Function]
+
+    # [DEF:ensure_directories:Function]
+    # @PURPOSE: Creates the storage root and category subdirectories if they don't exist.
+    # @PRE: Storage root must be resolvable.
+    # @POST: Directories are created on the filesystem.
+    # @SIDE_EFFECT: Creates directories on the filesystem.
+    def ensure_directories(self):
+        with belief_scope("StoragePlugin:ensure_directories"):
+            root = self.get_storage_root()
+            for category in FileCategory:
+                # Use singular name for consistency with BackupPlugin and GitService
+                path = root / category.value
+                path.mkdir(parents=True, exist_ok=True)
+                logger.debug(f"[StoragePlugin][Action] Ensured directory: {path}")
+    # [/DEF:ensure_directories:Function]
+
+    # [DEF:validate_path:Function]
+    # @PURPOSE: Prevents path traversal attacks by ensuring the path is within the storage root.
+    # @PRE: path must be a Path object.
+    # @POST: Returns the resolved absolute path if valid, otherwise raises ValueError.
+    def validate_path(self, path: Path) -> Path:
+        with belief_scope("StoragePlugin:validate_path"):
+            root = self.get_storage_root().resolve()
+            resolved = path.resolve()
+            try:
+                resolved.relative_to(root)
+            except ValueError:
+                logger.error(f"[StoragePlugin][Coherence:Failed] Path traversal detected: {resolved} is not under {root}")
+                raise ValueError("Access denied: Path is outside of storage root.")
+            return resolved
+    # [/DEF:validate_path:Function]
+
+    # [DEF:list_files:Function]
+    # @PURPOSE: Lists all files and directories in a specific category and subpath.
+    # @PARAM: category (Optional[FileCategory]) - The category to list.
+    # @PARAM: subpath (Optional[str]) - Nested path within the category.
+    # @PRE: Storage root must exist.
+    # @POST: Returns a list of StoredFile objects.
+    # @RETURN: List[StoredFile] - List of file and directory metadata objects.
+    def list_files(self, category: Optional[FileCategory] = None, subpath: Optional[str] = None) -> List[StoredFile]:
+        with belief_scope("StoragePlugin:list_files"):
+            root = self.get_storage_root()
+            logger.info(f"[StoragePlugin][Action] Listing files in root: {root}, category: {category}, subpath: {subpath}")
+            files = []
+            
+            categories = [category] if category else list(FileCategory)
+            
+            for cat in categories:
+                # Scan the category subfolder + optional subpath
+                base_dir = root / cat.value
+                if subpath:
+                    target_dir = self.validate_path(base_dir / subpath)
+                else:
+                    target_dir = base_dir
+
+                if not target_dir.exists():
+                    continue
+                
+                logger.debug(f"[StoragePlugin][Action] Scanning directory: {target_dir}")
+                
+                # Use os.scandir for better performance and to distinguish files vs dirs
+                with os.scandir(target_dir) as it:
+                    for entry in it:
+                        # Skip logs
+                        if "Logs" in entry.path:
+                            continue
+                        
+                        stat = entry.stat()
+                        is_dir = entry.is_dir()
+                        
+                        files.append(StoredFile(
+                            name=entry.name,
+                            path=str(Path(entry.path).relative_to(root)),
+                            size=stat.st_size if not is_dir else 0,
+                            created_at=datetime.fromtimestamp(stat.st_ctime),
+                            category=cat,
+                            mime_type="directory" if is_dir else None
+                        ))
+            
+            # Sort: directories first, then by name
+            return sorted(files, key=lambda x: (x.mime_type != "directory", x.name))
+    # [/DEF:list_files:Function]
+
+    # [DEF:save_file:Function]
+    # @PURPOSE: Saves an uploaded file to the specified category and optional subpath.
+    # @PARAM: file (UploadFile) - The uploaded file.
+    # @PARAM: category (FileCategory) - The target category.
+    # @PARAM: subpath (Optional[str]) - The target subpath.
+    # @PRE: file must be a valid UploadFile; category must be valid.
+    # @POST: File is written to disk and metadata is returned.
+    # @RETURN: StoredFile - Metadata of the saved file.
+    # @SIDE_EFFECT: Writes file to disk.
+    async def save_file(self, file: UploadFile, category: FileCategory, subpath: Optional[str] = None) -> StoredFile:
+        with belief_scope("StoragePlugin:save_file"):
+            root = self.get_storage_root()
+            dest_dir = root / category.value
+            if subpath:
+                dest_dir = dest_dir / subpath
+            
+            dest_dir.mkdir(parents=True, exist_ok=True)
+            
+            dest_path = self.validate_path(dest_dir / file.filename)
+            
+            with dest_path.open("wb") as buffer:
+                shutil.copyfileobj(file.file, buffer)
+            
+            stat = dest_path.stat()
+            return StoredFile(
+                name=dest_path.name,
+                path=str(dest_path.relative_to(root)),
+                size=stat.st_size,
+                created_at=datetime.fromtimestamp(stat.st_ctime),
+                category=category,
+                mime_type=file.content_type
+            )
+    # [/DEF:save_file:Function]
+
+    # [DEF:delete_file:Function]
+    # @PURPOSE: Deletes a file or directory from the specified category and path.
+    # @PARAM: category (FileCategory) - The category.
+    # @PARAM: path (str) - The relative path of the file or directory.
+    # @PRE: path must belong to the specified category and exist on disk.
+    # @POST: The file or directory is removed from disk.
+    # @SIDE_EFFECT: Removes item from disk.
+    def delete_file(self, category: FileCategory, path: str):
+        with belief_scope("StoragePlugin:delete_file"):
+            root = self.get_storage_root()
+            # path is relative to root, but we ensure it starts with category
+            full_path = self.validate_path(root / path)
+            
+            if not str(Path(path)).startswith(category.value):
+                raise ValueError(f"Path {path} does not belong to category {category}")
+
+            if full_path.exists():
+                if full_path.is_dir():
+                    shutil.rmtree(full_path)
+                else:
+                    full_path.unlink()
+                logger.info(f"[StoragePlugin][Action] Deleted: {full_path}")
+            else:
+                raise FileNotFoundError(f"Item {path} not found")
+    # [/DEF:delete_file:Function]
+
+    # [DEF:get_file_path:Function]
+    # @PURPOSE: Returns the absolute path of a file for download.
+    # @PARAM: category (FileCategory) - The category.
+    # @PARAM: path (str) - The relative path of the file.
+    # @PRE: path must belong to the specified category and be a file.
+    # @POST: Returns the absolute Path to the file.
+    # @RETURN: Path - Absolute path to the file.
+    def get_file_path(self, category: FileCategory, path: str) -> Path:
+        with belief_scope("StoragePlugin:get_file_path"):
+            root = self.get_storage_root()
+            file_path = self.validate_path(root / path)
+            
+            if not str(Path(path)).startswith(category.value):
+                raise ValueError(f"Path {path} does not belong to category {category}")
+
+            if not file_path.exists() or file_path.is_dir():
+                raise FileNotFoundError(f"File {path} not found")
+            
+            return file_path
+    # [/DEF:get_file_path:Function]
+
+# [/DEF:StoragePlugin:Class]
+# [/DEF:StoragePlugin:Module]
--- a/backend/src/services/git_service.py
+++ b/backend/src/services/git_service.py
@@ -0,0 +1,413 @@
+# [DEF:backend.src.services.git_service:Module]
+#
+# @SEMANTICS: git, service, gitpython, repository, version_control
+# @PURPOSE:   Core Git logic using GitPython to manage dashboard repositories.
+# @LAYER:     Service
+# @RELATION:  INHERITS_FROM -> None
+# @RELATION:  USED_BY -> src.api.routes.git
+# @RELATION:  USED_BY -> src.plugins.git_plugin
+#
+# @INVARIANT: All Git operations must be performed on a valid local directory.
+
+import os
+import shutil
+import httpx
+from git import Repo, RemoteProgress
+from fastapi import HTTPException
+from typing import List, Optional
+from datetime import datetime
+from src.core.logger import logger, belief_scope
+from src.models.git import GitProvider
+
+# [DEF:GitService:Class]
+# @PURPOSE: Wrapper for GitPython operations with semantic logging and error handling.
+class GitService:
+    """
+    Wrapper for GitPython operations.
+    """
+
+    # [DEF:__init__:Function]
+    # @PURPOSE: Initializes the GitService with a base path for repositories.
+    # @PARAM: base_path (str) - Root directory for all Git clones.
+    # @PRE: base_path is a valid string path.
+    # @POST: GitService is initialized; base_path directory exists.
+    def __init__(self, base_path: str = "git_repos"):
+        with belief_scope("GitService.__init__"):
+            # Resolve relative to the backend directory
+            # Path(__file__) is backend/src/services/git_service.py
+            # parents[2] is backend/
+            from pathlib import Path
+            backend_root = Path(__file__).parents[2]
+            
+            self.base_path = str((backend_root / base_path).resolve())
+            if not os.path.exists(self.base_path):
+                os.makedirs(self.base_path)
+    # [/DEF:__init__:Function]
+
+    # [DEF:_get_repo_path:Function]
+    # @PURPOSE: Resolves the local filesystem path for a dashboard's repository.
+    # @PARAM: dashboard_id (int)
+    # @PRE: dashboard_id is an integer.
+    # @POST: Returns the absolute or relative path to the dashboard's repo.
+    # @RETURN: str
+    def _get_repo_path(self, dashboard_id: int) -> str:
+        with belief_scope("GitService._get_repo_path"):
+            return os.path.join(self.base_path, str(dashboard_id))
+    # [/DEF:_get_repo_path:Function]
+
+    # [DEF:init_repo:Function]
+    # @PURPOSE: Initialize or clone a repository for a dashboard.
+    # @PARAM: dashboard_id (int)
+    # @PARAM: remote_url (str)
+    # @PARAM: pat (str) - Personal Access Token for authentication.
+    # @PRE: dashboard_id is int, remote_url is valid Git URL, pat is provided.
+    # @POST: Repository is cloned or opened at the local path.
+    # @RETURN: Repo - GitPython Repo object.
+    def init_repo(self, dashboard_id: int, remote_url: str, pat: str) -> Repo:
+        with belief_scope("GitService.init_repo"):
+            repo_path = self._get_repo_path(dashboard_id)
+            
+            # Inject PAT into remote URL if needed
+            if pat and "://" in remote_url:
+                proto, rest = remote_url.split("://", 1)
+                auth_url = f"{proto}://oauth2:{pat}@{rest}"
+            else:
+                auth_url = remote_url
+
+            if os.path.exists(repo_path):
+                logger.info(f"[init_repo][Action] Opening existing repo at {repo_path}")
+                return Repo(repo_path)
+            
+            logger.info(f"[init_repo][Action] Cloning {remote_url} to {repo_path}")
+            return Repo.clone_from(auth_url, repo_path)
+    # [/DEF:init_repo:Function]
+
+    # [DEF:get_repo:Function]
+    # @PURPOSE: Get Repo object for a dashboard.
+    # @PRE: Repository must exist on disk for the given dashboard_id.
+    # @POST: Returns a GitPython Repo instance for the dashboard.
+    # @RETURN: Repo
+    def get_repo(self, dashboard_id: int) -> Repo:
+        with belief_scope("GitService.get_repo"):
+            repo_path = self._get_repo_path(dashboard_id)
+            if not os.path.exists(repo_path):
+                logger.error(f"[get_repo][Coherence:Failed] Repository for dashboard {dashboard_id} does not exist")
+                raise HTTPException(status_code=404, detail=f"Repository for dashboard {dashboard_id} not found")
+            try:
+                return Repo(repo_path)
+            except Exception as e:
+                logger.error(f"[get_repo][Coherence:Failed] Failed to open repository at {repo_path}: {e}")
+                raise HTTPException(status_code=500, detail="Failed to open local Git repository")
+    # [/DEF:get_repo:Function]
+
+    # [DEF:list_branches:Function]
+    # @PURPOSE: List all branches for a dashboard's repository.
+    # @PRE: Repository for dashboard_id exists.
+    # @POST: Returns a list of branch metadata dictionaries.
+    # @RETURN: List[dict]
+    def list_branches(self, dashboard_id: int) -> List[dict]:
+        with belief_scope("GitService.list_branches"):
+            repo = self.get_repo(dashboard_id)
+            logger.info(f"[list_branches][Action] Listing branches for {dashboard_id}. Refs: {repo.refs}")
+            branches = []
+            
+            # Add existing refs
+            for ref in repo.refs:
+                try:
+                    # Strip prefixes for UI
+                    name = ref.name.replace('refs/heads/', '').replace('refs/remotes/origin/', '')
+                    
+                    # Avoid duplicates (e.g. local and remote with same name)
+                    if any(b['name'] == name for b in branches):
+                        continue
+                        
+                    branches.append({
+                        "name": name,
+                        "commit_hash": ref.commit.hexsha if hasattr(ref, 'commit') else "0000000",
+                        "is_remote": ref.is_remote() if hasattr(ref, 'is_remote') else False,
+                        "last_updated": datetime.fromtimestamp(ref.commit.committed_date) if hasattr(ref, 'commit') else datetime.utcnow()
+                    })
+                except Exception as e:
+                    logger.warning(f"[list_branches][Action] Skipping ref {ref}: {e}")
+
+            # Ensure the current active branch is in the list even if it has no commits or refs
+            try:
+                active_name = repo.active_branch.name
+                if not any(b['name'] == active_name for b in branches):
+                    branches.append({
+                        "name": active_name,
+                        "commit_hash": "0000000",
+                        "is_remote": False,
+                        "last_updated": datetime.utcnow()
+                    })
+            except Exception as e:
+                logger.warning(f"[list_branches][Action] Could not determine active branch: {e}")
+                # If everything else failed and list is still empty, add default
+                if not branches:
+                    branches.append({
+                        "name": "main",
+                        "commit_hash": "0000000",
+                        "is_remote": False,
+                        "last_updated": datetime.utcnow()
+                    })
+
+            return branches
+    # [/DEF:list_branches:Function]
+
+    # [DEF:create_branch:Function]
+    # @PURPOSE: Create a new branch from an existing one.
+    # @PARAM: name (str) - New branch name.
+    # @PARAM: from_branch (str) - Source branch.
+    # @PRE: Repository exists; name is valid; from_branch exists or repo is empty.
+    # @POST: A new branch is created in the repository.
+    def create_branch(self, dashboard_id: int, name: str, from_branch: str = "main"):
+        with belief_scope("GitService.create_branch"):
+            repo = self.get_repo(dashboard_id)
+            logger.info(f"[create_branch][Action] Creating branch {name} from {from_branch}")
+            
+            # Handle empty repository case (no commits)
+            if not repo.heads and not repo.remotes:
+                logger.warning(f"[create_branch][Action] Repository is empty. Creating initial commit to enable branching.")
+                readme_path = os.path.join(repo.working_dir, "README.md")
+                if not os.path.exists(readme_path):
+                    with open(readme_path, "w") as f:
+                        f.write(f"# Dashboard {dashboard_id}\nGit repository for Superset dashboard integration.")
+                repo.index.add(["README.md"])
+                repo.index.commit("Initial commit")
+            
+            # Verify source branch exists
+            try:
+                repo.commit(from_branch)
+            except:
+                logger.warning(f"[create_branch][Action] Source branch {from_branch} not found, using HEAD")
+                from_branch = repo.head
+
+            try:
+                new_branch = repo.create_head(name, from_branch)
+                return new_branch
+            except Exception as e:
+                logger.error(f"[create_branch][Coherence:Failed] {e}")
+                raise
+    # [/DEF:create_branch:Function]
+
+    # [DEF:checkout_branch:Function]
+    # @PURPOSE: Switch to a specific branch.
+    # @PRE: Repository exists and the specified branch name exists.
+    # @POST: The repository working directory is updated to the specified branch.
+    def checkout_branch(self, dashboard_id: int, name: str):
+        with belief_scope("GitService.checkout_branch"):
+            repo = self.get_repo(dashboard_id)
+            logger.info(f"[checkout_branch][Action] Checking out branch {name}")
+            repo.git.checkout(name)
+    # [/DEF:checkout_branch:Function]
+
+    # [DEF:commit_changes:Function]
+    # @PURPOSE: Stage and commit changes.
+    # @PARAM: message (str) - Commit message.
+    # @PARAM: files (List[str]) - Optional list of specific files to stage.
+    # @PRE: Repository exists and has changes (dirty) or files are specified.
+    # @POST: Changes are staged and a new commit is created.
+    def commit_changes(self, dashboard_id: int, message: str, files: List[str] = None):
+        with belief_scope("GitService.commit_changes"):
+            repo = self.get_repo(dashboard_id)
+            
+            # Check if there are any changes to commit
+            if not repo.is_dirty(untracked_files=True) and not files:
+                logger.info(f"[commit_changes][Action] No changes to commit for dashboard {dashboard_id}")
+                return
+
+            if files:
+                logger.info(f"[commit_changes][Action] Staging files: {files}")
+                repo.index.add(files)
+            else:
+                logger.info("[commit_changes][Action] Staging all changes")
+                repo.git.add(A=True)
+                
+            repo.index.commit(message)
+            logger.info(f"[commit_changes][Coherence:OK] Committed changes with message: {message}")
+    # [/DEF:commit_changes:Function]
+
+    # [DEF:push_changes:Function]
+    # @PURPOSE: Push local commits to remote.
+    # @PRE: Repository exists and has an 'origin' remote.
+    # @POST: Local branch commits are pushed to origin.
+    def push_changes(self, dashboard_id: int):
+        with belief_scope("GitService.push_changes"):
+            repo = self.get_repo(dashboard_id)
+            
+            # Ensure we have something to push
+            if not repo.heads:
+                logger.warning(f"[push_changes][Coherence:Failed] No local branches to push for dashboard {dashboard_id}")
+                return
+
+            try:
+                origin = repo.remote(name='origin')
+            except ValueError:
+                logger.error(f"[push_changes][Coherence:Failed] Remote 'origin' not found for dashboard {dashboard_id}")
+                raise HTTPException(status_code=400, detail="Remote 'origin' not configured")
+
+            # Check if current branch has an upstream
+            try:
+                current_branch = repo.active_branch
+                logger.info(f"[push_changes][Action] Pushing branch {current_branch.name} to origin")
+                # Using a timeout for network operations
+                push_info = origin.push(refspec=f'{current_branch.name}:{current_branch.name}')
+                for info in push_info:
+                    if info.flags & info.ERROR:
+                        logger.error(f"[push_changes][Coherence:Failed] Error pushing ref {info.remote_ref_string}: {info.summary}")
+                        raise Exception(f"Git push error for {info.remote_ref_string}: {info.summary}")
+            except Exception as e:
+                logger.error(f"[push_changes][Coherence:Failed] Failed to push changes: {e}")
+                raise HTTPException(status_code=500, detail=f"Git push failed: {str(e)}")
+    # [/DEF:push_changes:Function]
+
+    # [DEF:pull_changes:Function]
+    # @PURPOSE: Pull changes from remote.
+    # @PRE: Repository exists and has an 'origin' remote.
+    # @POST: Changes from origin are pulled and merged into the active branch.
+    def pull_changes(self, dashboard_id: int):
+        with belief_scope("GitService.pull_changes"):
+            repo = self.get_repo(dashboard_id)
+            try:
+                origin = repo.remote(name='origin')
+                logger.info("[pull_changes][Action] Pulling changes from origin")
+                fetch_info = origin.pull()
+                for info in fetch_info:
+                    if info.flags & info.ERROR:
+                        logger.error(f"[pull_changes][Coherence:Failed] Error pulling ref {info.ref}: {info.note}")
+                        raise Exception(f"Git pull error for {info.ref}: {info.note}")
+            except ValueError:
+                logger.error(f"[pull_changes][Coherence:Failed] Remote 'origin' not found for dashboard {dashboard_id}")
+                raise HTTPException(status_code=400, detail="Remote 'origin' not configured")
+            except Exception as e:
+                logger.error(f"[pull_changes][Coherence:Failed] Failed to pull changes: {e}")
+                raise HTTPException(status_code=500, detail=f"Git pull failed: {str(e)}")
+    # [/DEF:pull_changes:Function]
+
+    # [DEF:get_status:Function]
+    # @PURPOSE: Get current repository status (dirty files, untracked, etc.)
+    # @PRE: Repository for dashboard_id exists.
+    # @POST: Returns a dictionary representing the Git status.
+    # @RETURN: dict
+    def get_status(self, dashboard_id: int) -> dict:
+        with belief_scope("GitService.get_status"):
+            repo = self.get_repo(dashboard_id)
+            
+            # Handle empty repository (no commits)
+            has_commits = False
+            try:
+                repo.head.commit
+                has_commits = True
+            except (ValueError, Exception):
+                has_commits = False
+
+            return {
+                "is_dirty": repo.is_dirty(untracked_files=True),
+                "untracked_files": repo.untracked_files,
+                "modified_files": [item.a_path for item in repo.index.diff(None)],
+                "staged_files": [item.a_path for item in repo.index.diff("HEAD")] if has_commits else [],
+                "current_branch": repo.active_branch.name
+            }
+    # [/DEF:get_status:Function]
+
+    # [DEF:get_diff:Function]
+    # @PURPOSE: Generate diff for a file or the whole repository.
+    # @PARAM: file_path (str) - Optional specific file.
+    # @PARAM: staged (bool) - Whether to show staged changes.
+    # @PRE: Repository for dashboard_id exists.
+    # @POST: Returns the diff text as a string.
+    # @RETURN: str
+    def get_diff(self, dashboard_id: int, file_path: str = None, staged: bool = False) -> str:
+        with belief_scope("GitService.get_diff"):
+            repo = self.get_repo(dashboard_id)
+            diff_args = []
+            if staged:
+                diff_args.append("--staged")
+            
+            if file_path:
+                return repo.git.diff(*diff_args, "--", file_path)
+            return repo.git.diff(*diff_args)
+    # [/DEF:get_diff:Function]
+
+    # [DEF:get_commit_history:Function]
+    # @PURPOSE: Retrieve commit history for a repository.
+    # @PARAM: limit (int) - Max number of commits to return.
+    # @PRE: Repository for dashboard_id exists.
+    # @POST: Returns a list of dictionaries for each commit in history.
+    # @RETURN: List[dict]
+    def get_commit_history(self, dashboard_id: int, limit: int = 50) -> List[dict]:
+        with belief_scope("GitService.get_commit_history"):
+            repo = self.get_repo(dashboard_id)
+            commits = []
+            try:
+                # Check if there are any commits at all
+                if not repo.heads and not repo.remotes:
+                    return []
+                
+                for commit in repo.iter_commits(max_count=limit):
+                    commits.append({
+                        "hash": commit.hexsha,
+                        "author": commit.author.name,
+                        "email": commit.author.email,
+                        "timestamp": datetime.fromtimestamp(commit.committed_date),
+                        "message": commit.message.strip(),
+                        "files_changed": list(commit.stats.files.keys())
+                    })
+            except Exception as e:
+                logger.warning(f"[get_commit_history][Action] Could not retrieve commit history for dashboard {dashboard_id}: {e}")
+                return []
+            return commits
+    # [/DEF:get_commit_history:Function]
+
+    # [DEF:test_connection:Function]
+    # @PURPOSE: Test connection to Git provider using PAT.
+    # @PARAM: provider (GitProvider)
+    # @PARAM: url (str)
+    # @PARAM: pat (str)
+    # @PRE: provider is valid; url is a valid HTTP(S) URL; pat is provided.
+    # @POST: Returns True if connection to the provider's API succeeds.
+    # @RETURN: bool
+    async def test_connection(self, provider: GitProvider, url: str, pat: str) -> bool:
+        with belief_scope("GitService.test_connection"):
+            # Check for offline mode or local-only URLs
+            if ".local" in url or "localhost" in url:
+                logger.info("[test_connection][Action] Local/Offline mode detected for URL")
+                return True
+
+            if not url.startswith(('http://', 'https://')):
+                logger.error(f"[test_connection][Coherence:Failed] Invalid URL protocol: {url}")
+                return False
+
+            if not pat or not pat.strip():
+                logger.error("[test_connection][Coherence:Failed] Git PAT is missing or empty")
+                return False
+
+            pat = pat.strip()
+
+            try:
+                async with httpx.AsyncClient() as client:
+                    if provider == GitProvider.GITHUB:
+                        headers = {"Authorization": f"token {pat}"}
+                        api_url = "https://api.github.com/user" if "github.com" in url else f"{url.rstrip('/')}/api/v3/user"
+                        resp = await client.get(api_url, headers=headers)
+                    elif provider == GitProvider.GITLAB:
+                        headers = {"PRIVATE-TOKEN": pat}
+                        api_url = f"{url.rstrip('/')}/api/v4/user"
+                        resp = await client.get(api_url, headers=headers)
+                    elif provider == GitProvider.GITEA:
+                        headers = {"Authorization": f"token {pat}"}
+                        api_url = f"{url.rstrip('/')}/api/v1/user"
+                        resp = await client.get(api_url, headers=headers)
+                    else:
+                        return False
+                    
+                    if resp.status_code != 200:
+                        logger.error(f"[test_connection][Coherence:Failed] Git connection test failed for {provider} at {api_url}. Status: {resp.status_code}")
+                    return resp.status_code == 200
+            except Exception as e:
+                logger.error(f"[test_connection][Coherence:Failed] Error testing git connection: {e}")
+                return False
+    # [/DEF:test_connection:Function]
+
+# [/DEF:GitService:Class]
+# [/DEF:backend.src.services.git_service:Module]
--- a/backend/src/services/mapping_service.py
+++ b/backend/src/services/mapping_service.py
@@ -13,7 +13,6 @@ from typing import List, Dict
 from backend.src.core.logger import belief_scope
 from backend.src.core.superset_client import SupersetClient
 from backend.src.core.utils.matching import suggest_mappings
-from superset_tool.models import SupersetConfig
 # [/SECTION]

 # [DEF:MappingService:Class]
@@ -43,17 +42,7 @@ class MappingService:
            if not env:
                raise ValueError(f"Environment {env_id} not found")
            
-            superset_config = SupersetConfig(
-                env=env.name,
-                base_url=env.url,
-                auth={
-                    "provider": "db",
-                    "username": env.username,
-                    "password": env.password,
-                    "refresh": "false"
-                }
-            )
-            return SupersetClient(superset_config)
+            return SupersetClient(env)
    # [/DEF:_get_client:Function]

    # [DEF:get_suggestions:Function]
--- a/backend/tasks.db
+++ b/backend/tasks.db
--- a/backend/test_fix.py
+++ b/backend/test_fix.py
@@ -1,99 +0,0 @@
-#!/usr/bin/env python3
-"""Test script to verify the fixes for SupersetClient initialization."""
-
-import sys
-sys.path.insert(0, '.')
-
-from src.core.config_manager import ConfigManager
-from src.core.config_models import Environment
-from src.plugins.search import SearchPlugin
-from src.plugins.mapper import MapperPlugin
-from src.plugins.debug import DebugPlugin
-
-def test_config_manager():
-    """Test ConfigManager methods."""
-    print("Testing ConfigManager...")
-    try:
-        config_manager = ConfigManager()
-        print(f"  ConfigManager initialized")
-        
-        # Test get_environment method
-        if hasattr(config_manager, 'get_environment'):
-            print(f"  get_environment method exists")
-            
-            # Add a test environment if none exists
-            if not config_manager.has_environments():
-                test_env = Environment(
-                    id="test-env",
-                    name="Test Environment",
-                    url="http://localhost:8088",
-                    username="admin",
-                    password="admin"
-                )
-                config_manager.add_environment(test_env)
-                print(f"  Added test environment: {test_env.name}")
-            
-            # Test retrieving environment
-            envs = config_manager.get_environments()
-            if envs:
-                test_env_id = envs[0].id
-                env_config = config_manager.get_environment(test_env_id)
-                print(f"  Successfully retrieved environment: {env_config.name}")
-                return True
-            else:
-                print(f"  No environments available (add one in settings)")
-                return False
-                
-    except Exception as e:
-        print(f"  Error: {e}")
-        return False
-
-def test_plugins():
-    """Test plugin initialization."""
-    print("\nTesting plugins...")
-    
-    plugins = [
-        ("Search Plugin", SearchPlugin()),
-        ("Mapper Plugin", MapperPlugin()),
-        ("Debug Plugin", DebugPlugin())
-    ]
-    
-    all_ok = True
-    
-    for name, plugin in plugins:
-        print(f"\nTesting {name}...")
-        try:
-            plugin_id = plugin.id
-            plugin_name = plugin.name
-            plugin_version = plugin.version
-            schema = plugin.get_schema()
-            
-            print(f"  ✓ ID: {plugin_id}")
-            print(f"  ✓ Name: {plugin_name}")
-            print(f"  ✓ Version: {plugin_version}")
-            print(f"  ✓ Schema: {schema}")
-            
-        except Exception as e:
-            print(f"  ✗ Error: {e}")
-            all_ok = False
-            
-    return all_ok
-
-def main():
-    """Main test function."""
-    print("=" * 50)
-    print("Superset Tools Fix Verification")
-    print("=" * 50)
-    
-    config_ok = test_config_manager()
-    plugins_ok = test_plugins()
-    
-    print("\n" + "=" * 50)
-    if config_ok and plugins_ok:
-        print("✅ All fixes verified successfully!")
-    else:
-        print("❌ Some tests failed")
-        sys.exit(1)
-
-if __name__ == "__main__":
-    main()
--- a/backend/tests/test_logger.py
+++ b/backend/tests/test_logger.py
@@ -1,5 +1,5 @@
 import pytest
-from backend.src.core.logger import belief_scope, logger
+from src.core.logger import belief_scope, logger


 # [DEF:test_belief_scope_logs_entry_action_exit:Function]
--- a/backend/tests/test_models.py
+++ b/backend/tests/test_models.py
@@ -1,62 +1,21 @@
 import pytest
-from superset_tool.models import SupersetConfig
-from superset_tool.utils.logger import belief_scope
+from src.core.config_models import Environment
+from src.core.logger import belief_scope

-# [DEF:test_superset_config_url_normalization:Function]
-# @PURPOSE: Tests that SupersetConfig correctly normalizes the base URL.
-# @PRE: SupersetConfig class is available.
-# @POST: URL normalization is verified.
-def test_superset_config_url_normalization():
-    with belief_scope("test_superset_config_url_normalization"):
-        auth = {
-            "provider": "db",
-            "username": "admin",
-            "password": "password",
-            "refresh": "token"
-        }
-        
-        # Test with /api/v1 already present
-        config = SupersetConfig(
-            env="dev",
-            base_url="http://localhost:8088/api/v1",
-            auth=auth
+# [DEF:test_environment_model:Function]
+# @PURPOSE: Tests that Environment model correctly stores values.
+# @PRE: Environment class is available.
+# @POST: Values are verified.
+def test_environment_model():
+    with belief_scope("test_environment_model"):
+        env = Environment(
+            id="test-id",
+            name="test-env",
+            url="http://localhost:8088/api/v1",
+            username="admin",
+            password="password"
        )
-        assert config.base_url == "http://localhost:8088/api/v1"
-        
-        # Test without /api/v1
-        config = SupersetConfig(
-            env="dev",
-            base_url="http://localhost:8088",
-            auth=auth
-        )
-        assert config.base_url == "http://localhost:8088/api/v1"
-        
-        # Test with trailing slash
-        config = SupersetConfig(
-            env="dev",
-            base_url="http://localhost:8088/",
-            auth=auth
-        )
-        assert config.base_url == "http://localhost:8088/api/v1"
-# [/DEF:test_superset_config_url_normalization:Function]
-
-# [DEF:test_superset_config_invalid_url:Function]
-# @PURPOSE: Tests that SupersetConfig raises ValueError for invalid URLs.
-# @PRE: SupersetConfig class is available.
-# @POST: ValueError is raised for invalid URLs.
-def test_superset_config_invalid_url():
-    with belief_scope("test_superset_config_invalid_url"):
-        auth = {
-            "provider": "db",
-            "username": "admin",
-            "password": "password",
-            "refresh": "token"
-        }
-        
-        with pytest.raises(ValueError, match="Must start with http:// or https://"):
-            SupersetConfig(
-                env="dev",
-                base_url="localhost:8088",
-                auth=auth
-            )
-# [/DEF:test_superset_config_invalid_url:Function]
+        assert env.id == "test-id"
+        assert env.name == "test-env"
+        assert env.url == "http://localhost:8088/api/v1"
+# [/DEF:test_environment_model:Function]
--- a/dashboards_example/dashboard_export_20260114T112108/charts/FI-0083_4019.yaml
+++ b/dashboards_example/dashboard_export_20260114T112108/charts/FI-0083_4019.yaml
@@ -0,0 +1,55 @@
+slice_name: "FI-0083 \u0421\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043A\u0430\
+  \ \u043F\u043E \u0414\u0417/\u041F\u0414\u0417"
+description: null
+certified_by: null
+certification_details: null
+viz_type: pivot_table_v2
+params:
+  datasource: 859__table
+  viz_type: pivot_table_v2
+  slice_id: 4019
+  groupbyColumns:
+  - dt
+  groupbyRows:
+  - counterparty_search_name
+  - attribute
+  time_grain_sqla: P1M
+  temporal_columns_lookup:
+    dt: true
+  metrics:
+  - m_debt_amount
+  - m_overdue_amount
+  metricsLayout: COLUMNS
+  adhoc_filters:
+  - clause: WHERE
+    comparator: No filter
+    expressionType: SIMPLE
+    operator: TEMPORAL_RANGE
+    subject: dt
+  row_limit: '90000'
+  order_desc: false
+  aggregateFunction: Sum
+  combineMetric: true
+  valueFormat: SMART_NUMBER
+  date_format: smart_date
+  rowOrder: key_a_to_z
+  colOrder: key_a_to_z
+  value_font_size: 12
+  header_font_size: 12
+  label_align: left
+  column_config:
+    m_debt_amount:
+      d3NumberFormat: ',d'
+    m_overdue_amount:
+      d3NumberFormat: ',d'
+  conditional_formatting: []
+  extra_form_data: {}
+  dashboards:
+  - 184
+query_context: '{"datasource":{"id":859,"type":"table"},"force":false,"queries":[{"filters":[{"col":"dt","op":"TEMPORAL_RANGE","val":"No
+  filter"}],"extras":{"having":"","where":""},"applied_time_extras":{},"columns":[{"timeGrain":"P1M","columnType":"BASE_AXIS","sqlExpression":"dt","label":"dt","expressionType":"SQL"},"counterparty_search_name","attribute"],"metrics":["m_debt_amount","m_overdue_amount"],"orderby":[["m_debt_amount",true]],"annotation_layers":[],"row_limit":90000,"series_limit":0,"order_desc":false,"url_params":{},"custom_params":{},"custom_form_data":{}}],"form_data":{"datasource":"859__table","viz_type":"pivot_table_v2","slice_id":4019,"groupbyColumns":["dt"],"groupbyRows":["counterparty_search_name","attribute"],"time_grain_sqla":"P1M","temporal_columns_lookup":{"dt":true},"metrics":["m_debt_amount","m_overdue_amount"],"metricsLayout":"COLUMNS","adhoc_filters":[{"clause":"WHERE","comparator":"No
+  filter","expressionType":"SIMPLE","operator":"TEMPORAL_RANGE","subject":"dt"}],"row_limit":"90000","order_desc":false,"aggregateFunction":"Sum","combineMetric":true,"valueFormat":"SMART_NUMBER","date_format":"smart_date","rowOrder":"key_a_to_z","colOrder":"key_a_to_z","value_font_size":12,"header_font_size":12,"label_align":"left","column_config":{"m_debt_amount":{"d3NumberFormat":",d"},"m_overdue_amount":{"d3NumberFormat":",d"}},"conditional_formatting":[],"extra_form_data":{},"dashboards":[184],"force":false,"result_format":"json","result_type":"full"},"result_format":"json","result_type":"full"}'
+cache_timeout: null
+uuid: 9c293065-73e2-4d9b-a175-d188ff8ef575
+version: 1.0.0
+dataset_uuid: 9e645dc0-da25-4f61-9465-6e649b0bc4b1
--- a/dashboards_example/dashboard_export_20260114T112108/databases/Prod_Clickhouse_10.yaml
+++ b/dashboards_example/dashboard_export_20260114T112108/databases/Prod_Clickhouse_10.yaml
@@ -0,0 +1,13 @@
+database_name: Prod Clickhouse
+sqlalchemy_uri: clickhousedb+connect://viz_superset_click_prod:XXXXXXXXXX@rgm-s-khclk.hq.root.ad:443/dm
+cache_timeout: null
+expose_in_sqllab: true
+allow_run_async: false
+allow_ctas: false
+allow_cvas: false
+allow_dml: true
+allow_file_upload: false
+extra:
+  allows_virtual_table_explore: true
+uuid: 97aced68-326a-4094-b381-27980560efa9
+version: 1.0.0
--- a/dashboards_example/dashboard_export_20260114T112108/datasets/Prod_Clickhouse_10/FI-0080-06_875.yaml
+++ b/dashboards_example/dashboard_export_20260114T112108/datasets/Prod_Clickhouse_10/FI-0080-06_875.yaml
@@ -0,0 +1,119 @@
+table_name: "FI-0080-06 \u041A\u0430\u043B\u0435\u043D\u0434\u0430\u0440\u044C (\u041E\
+  \u0431\u0449\u0438\u0439 \u0441\u043F\u0440\u0430\u0432\u043E\u0447\u043D\u0438\u043A\
+  )"
+main_dttm_col: null
+description: null
+default_endpoint: null
+offset: 0
+cache_timeout: null
+schema: dm_view
+sql: "-- [HEADER]\r\n-- [\u041D\u0410\u0417\u041D\u0410\u0427\u0415\u041D\u0418\u0415\
+  ]: \u041F\u043E\u043B\u0443\u0447\u0435\u043D\u0438\u0435 \u0434\u0438\u0430\u043F\
+  \u0430\u0437\u043E\u043D\u0430 \u0434\u0430\u0442 \u0434\u043B\u044F \u043E\u0442\
+  \u0447\u0435\u0442\u0430 \u043E \u0437\u0430\u0434\u043E\u043B\u0436\u0435\u043D\
+  \u043D\u043E\u0441\u0442\u044F\u0445 \u043F\u043E \u043E\u0431\u043E\u0440\u043E\
+  \u0442\u043D\u044B\u043C \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043C\r\
+  \n-- [\u041A\u041B\u042E\u0427\u0415\u0412\u042B\u0415 \u041A\u041E\u041B\u041E\u041D\
+  \u041A\u0418]:\r\n--   - from_dt_txt: \u041D\u0430\u0447\u0430\u043B\u044C\u043D\
+  \u0430\u044F \u0434\u0430\u0442\u0430 \u0432 \u0444\u043E\u0440\u043C\u0430\u0442\
+  \u0435 DD.MM.YYYY\r\n--   - to_dt_txt: \u041A\u043E\u043D\u0435\u0447\u043D\u0430\
+  \u044F \u0434\u0430\u0442\u0430 \u0432 \u0444\u043E\u0440\u043C\u0430\u0442\u0435\
+  \ DD.MM.YYYY\r\n-- [JINJA \u041F\u0410\u0420\u0410\u041C\u0415\u0422\u0420\u042B\
+  ]:\r\n--   - {{ filter_values(\"yes_no_check\") }}: \u0424\u0438\u043B\u044C\u0442\
+  \u0440 \"\u0414\u0430/\u041D\u0435\u0442\" \u0434\u043B\u044F \u043E\u0433\u0440\
+  \u0430\u043D\u0438\u0447\u0435\u043D\u0438\u044F \u0432\u044B\u0431\u043E\u0440\u043A\
+  \u0438 \u043F\u043E \u0434\u0430\u0442\u0435\r\n-- [\u041B\u041E\u0413\u0418\u041A\
+  \u0410]: \u041E\u043F\u0440\u0435\u0434\u0435\u043B\u044F\u0435\u0442 \u043F\u043E\
+  \u0440\u043E\u0433\u043E\u0432\u0443\u044E \u0434\u0430\u0442\u0443 \u0432 \u0437\
+  \u0430\u0432\u0438\u0441\u0438\u043C\u043E\u0441\u0442\u0438 \u043E\u0442 \u0442\
+  \u0435\u043A\u0443\u0449\u0435\u0433\u043E \u0434\u043D\u044F \u043C\u0435\u0441\
+  \u044F\u0446\u0430 \u0438 \u0444\u0438\u043B\u044C\u0442\u0440\u0443\u0435\u0442\
+  \ \u0434\u0430\u043D\u043D\u044B\u0435\r\n\r\nWITH date_threshold AS (\r\n    SELECT\
+  \  \r\n        -- \u041E\u043F\u0440\u0435\u0434\u0435\u043B\u044F\u0435\u043C \u043F\
+  \u043E\u0440\u043E\u0433\u043E\u0432\u0443\u044E \u0434\u0430\u0442\u0443 \u0432\
+  \ \u0437\u0430\u0432\u0438\u0441\u0438\u043C\u043E\u0441\u0442\u0438 \u043E\u0442\
+  \ \u0442\u0435\u043A\u0443\u0449\u0435\u0433\u043E \u0434\u043D\u044F  \r\n    \
+  \    CASE  \r\n            WHEN toDayOfMonth(now()) <= 10 THEN  \r\n           \
+  \     toStartOfMonth(dateSub(MONTH, 1, now()))  \r\n            ELSE  \r\n     \
+  \           toStartOfMonth(now())  \r\n        END AS cutoff_date  \r\n),\r\nfiltered_dates\
+  \ AS (\r\n    SELECT \r\n        dt,\r\n        formatDateTime(dt, '%d.%m.%Y') AS\
+  \ from_dt_txt,\r\n        formatDateTime(dt, '%d.%m.%Y') AS to_dt_txt\r\n      \
+  \ --dt as from_dt_txt,\r\n      -- dt as to_dt_txt\r\n    FROM dm_view.account_debt_for_working_capital_final\r\
+  \n    WHERE 1=1\r\n        -- \u0411\u0435\u0437\u043E\u043F\u0430\u0441\u043D\u0430\
+  \u044F \u043F\u0440\u043E\u0432\u0435\u0440\u043A\u0430 \u0444\u0438\u043B\u044C\
+  \u0442\u0440\u0430\r\n        {% if filter_values(\"yes_no_check\") | length !=\
+  \ 0 %}\r\n            {% if filter_values(\"yes_no_check\")[0] == \"\u0414\u0430\
+  \" %}\r\n                AND dt < (SELECT cutoff_date FROM date_threshold)\r\n \
+  \           {% endif %}\r\n        {% endif %}\r\n)\r\nSELECT \r\ndt,\r\n    from_dt_txt,\r\
+  \n    to_dt_txt,\r\n    formatDateTime(toLastDayOfMonth(dt), '%d.%m.%Y') as last_day_of_month_dt_txt\r\
+  \nFROM \r\n    filtered_dates\r\nGROUP BY \r\n    dt, from_dt_txt, to_dt_txt\r\n\
+  ORDER BY \r\n    dt DESC"
+params: null
+template_params: null
+filter_select_enabled: true
+fetch_values_predicate: null
+extra: null
+normalize_columns: false
+uuid: fca62707-6947-4440-a16b-70cb6a5cea5b
+metrics:
+- metric_name: max_date
+  verbose_name: max_date
+  metric_type: count
+  expression: max(dt)
+  description: null
+  d3format: null
+  currency: null
+  extra:
+    warning_markdown: ''
+  warning_text: null
+columns:
+- column_name: from_dt_txt
+  verbose_name: null
+  is_dttm: true
+  is_active: true
+  type: String
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: '%Y'
+  extra: {}
+- column_name: dt
+  verbose_name: null
+  is_dttm: true
+  is_active: true
+  type: Date
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra: {}
+- column_name: last_day_of_month_dt_txt
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: String
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra: {}
+- column_name: to_dt_txt
+  verbose_name: null
+  is_dttm: true
+  is_active: true
+  type: String
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra: {}
+version: 1.0.0
+database_uuid: 97aced68-326a-4094-b381-27980560efa9
--- a/dashboards_example/dashboard_export_20260114T112108/datasets/Prod_Clickhouse_10/FI-0090_859.yaml
+++ b/dashboards_example/dashboard_export_20260114T112108/datasets/Prod_Clickhouse_10/FI-0090_859.yaml
@@ -0,0 +1,190 @@
+table_name: "FI-0090 \u0421\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043A\u0430\
+  \ \u043F\u043E \u0414\u0417/\u041F\u0414\u0417"
+main_dttm_col: dt
+description: null
+default_endpoint: null
+offset: 0
+cache_timeout: null
+schema: dm_view
+sql: "-- [JINJA_BLOCK] \u0426\u0435\u043D\u0442\u0440\u0430\u043B\u0438\u0437\u043E\
+  \u0432\u0430\u043D\u043D\u043E\u0435 \u043E\u043F\u0440\u0435\u0434\u0435\u043B\u0435\
+  \u043D\u0438\u0435 \u0432\u0441\u0435\u0445 Jinja \u043F\u0435\u0440\u0435\u043C\
+  \u0435\u043D\u043D\u044B\u0445\r\n{% set raw_to   = filter_values('last_day_of_month_dt_txt')[0]\
+  \ \r\n                  if filter_values('last_day_of_month_dt_txt')   else '01.05.2025'\
+  \ %}\r\n\r\n{# \u0440\u0430\u0437\u0431\u0438\u0432\u0430\u0435\u043C \xABDD.MM.YYYY\xBB\
+  \ \u043D\u0430 \u0447\u0430\u0441\u0442\u0438 #}\r\n{% set to_parts   = raw_to.split('.')\
+  \ %}\r\n\r\n{# \u0441\u043E\u0431\u0438\u0440\u0430\u0435\u043C ISO\u2011\u0441\u0442\
+  \u0440\u043E\u043A\u0443 \xABYYYY-MM-DD\xBB #}\r\n{% set to_dt   = to_parts[2] \
+  \  ~ '-' ~ to_parts[1]   ~ '-' ~ to_parts[0] %}\r\n\r\nwith \r\ncp_relations_type\
+  \ AS (\r\n   select * from ( SELECT \r\n        ctd.counterparty_code AS counterparty_code,\r\
+  \n        min(dt_from) as dt_from,\r\n        max(dt_to) as dt_to,\r\n        crt.relation_type_code\
+  \ || ' ' || crt.relation_type_name AS relation_type_code_name\r\n    FROM\r\n  \
+  \      dm_view.counterparty_td ctd\r\n    JOIN dm_view.counterparty_relation_type_texts\
+  \ crt \r\n        ON ctd.relation_type_code = crt.relation_type_code\r\n    GROUP\
+  \ BY\r\n        ctd.counterparty_code, ctd.counterparty_full_name,\r\n        crt.relation_type_code,crt.relation_type_name)\r\
+  \n            WHERE \r\n        dt_from <= toDate('{{to_dt }}') AND \r\n       \
+  \ dt_to >= toDate('{{to_dt }}')\r\n        ),\r\nt_debt as \r\n(SELECT dt, \r\n\
+  counterparty_search_name,\r\ncp_relations_type.relation_type_code_name as relation_type_code_name,\r\
+  \nunit_balance_code || ' ' || unit_balance_name as unit_balance_code_name,\r\n'1.\
+  \ \u0421\u0443\u043C\u043C\u0430' as attribute,\r\nsum(debt_balance_subposition_no_revaluation_usd_amount)\
+  \ as debt_amount,\r\nsumIf(debt_balance_subposition_no_revaluation_usd_amount,dt_overdue\
+  \ < dt) as overdue_amount\r\nfrom dm_view.account_debt_for_working_capital t_debt\r\
+  \njoin cp_relations_type ON\r\ncp_relations_type.counterparty_code = t_debt.counterparty_code\r\
+  \nwhere dt = toLastDayOfMonth(dt)\r\nand match(general_ledger_account_code,'((62)|(60)|(76))')\r\
+  \nand debit_or_credit = 'S'\r\nand account_type = 'D'\r\nand dt between addMonths(toDate('{{to_dt\
+  \ }}'),-12) and toDate('{{to_dt }}')\r\ngroup by dt, counterparty_search_name,unit_balance_code_name,relation_type_code_name\r\
+  \n),\r\n\r\nt_transaction_count_base as \r\n(\r\nselect *,\r\ncp_relations_type.relation_type_code_name\
+  \ as relation_type_code_name,\r\nunit_balance_code || ' ' || unit_balance_name as\
+  \ unit_balance_code_name,\r\n        case when dt_overdue<dt_clearing then\r\n \
+  \       dateDiff(day, dt_overdue, dt_clearing) \r\n        else 0\r\n        end\
+  \ as overdue_days\r\nfrom dm_view.accounting_documents_leading_to_debt t_docs\r\n\
+  join cp_relations_type ON\r\ncp_relations_type.counterparty_code = t_docs.counterparty_code\r\
+  \nwhere 1=1\r\n\r\nand match(general_ledger_account_code,'((62)|(60)|(76))')\r\n\
+  and debit_or_credit = 'S'\r\nand account_type = 'D'\r\n)\r\n\r\nselect * from t_debt\r\
+  \n\r\nunion all \r\n\r\nselect toLastDayOfMonth(dt_debt) as dt, \r\ncounterparty_search_name,\r\
+  \nrelation_type_code_name,\r\nunit_balance_code_name,\r\n'2. \u043A\u043E\u043B\u0438\
+  \u0447\u0435\u0441\u0442\u0432\u043E \u0442\u0440\u0430\u043D\u0437\u0430\u043A\u0446\
+  \u0438\u0439 \u0432 \u043C\u0435\u0441\u044F\u0446' as attribute,\r\ncount(1)  as\
+  \ debt_amount,\r\nnull as overdue_amount\r\nfrom t_transaction_count_base\r\nwhere\
+  \ dt_debt between addMonths(toDate('{{to_dt }}'),-12) and toDate('{{to_dt }}')\r\
+  \ngroup by toLastDayOfMonth(dt_debt), \r\ncounterparty_search_name,\r\nrelation_type_code_name,\r\
+  \nunit_balance_code_name,attribute\r\n\r\nunion all  \r\n\r\nselect toLastDayOfMonth(dt_clearing)\
+  \ as dt, \r\ncounterparty_search_name,\r\nrelation_type_code_name,\r\nunit_balance_code_name,\r\
+  \n'2. \u043A\u043E\u043B\u0438\u0447\u0435\u0441\u0442\u0432\u043E \u0442\u0440\u0430\
+  \u043D\u0437\u0430\u043A\u0446\u0438\u0439 \u0432 \u043C\u0435\u0441\u044F\u0446\
+  ' as attribute,\r\nnull  as debt_amount,\r\ncount(1) as overdue_amount\r\nfrom t_transaction_count_base\r\
+  \nwhere dt_clearing between addMonths(toDate('{{to_dt }}'),-12) and toDate('{{to_dt\
+  \ }}')\r\nand overdue_days > 0\r\ngroup by toLastDayOfMonth(dt_clearing), \r\ncounterparty_search_name,\r\
+  \nrelation_type_code_name,\r\nunit_balance_code_name,attribute\r\n\r\nunion all\
+  \ \r\n\r\nselect toLastDayOfMonth(dt_clearing) as dt, \r\ncounterparty_search_name,\r\
+  \nrelation_type_code_name,\r\nunit_balance_code_name,\r\nmultiIf(\r\noverdue_days\
+  \ < 30,'3. \u0434\u043E 30',\r\noverdue_days between 30 and 60, '4. \u043E\u0442\
+  \ 30 \u0434\u043E 60',\r\noverdue_days between 61 and 90, '5. \u043E\u0442 61 \u0434\
+  \u043E 90',\r\noverdue_days>90,'6. \u0431\u043E\u043B\u0435\u0435 90 \u0434\u043D\
+  ',\r\nnull\r\n)\r\n as attribute,\r\nnull  as debt_amount,\r\ncount(1) as overdue_amount\r\
+  \nfrom t_transaction_count_base\r\nwhere dt_clearing between addMonths(toDate('{{to_dt\
+  \ }}'),-12) and toDate('{{to_dt }}')\r\nand overdue_days > 0\r\ngroup by toLastDayOfMonth(dt_clearing),\
+  \ \r\ncounterparty_search_name,\r\nrelation_type_code_name,\r\nattribute,unit_balance_code_name,attribute\r\
+  \n"
+params: null
+template_params: null
+filter_select_enabled: true
+fetch_values_predicate: null
+extra: null
+normalize_columns: false
+uuid: 9e645dc0-da25-4f61-9465-6e649b0bc4b1
+metrics:
+- metric_name: m_debt_amount
+  verbose_name: "\u0414\u0417, $"
+  metric_type: count
+  expression: sum(debt_amount)
+  description: null
+  d3format: null
+  currency: null
+  extra:
+    warning_markdown: ''
+  warning_text: null
+- metric_name: m_overdue_amount
+  verbose_name: "\u041F\u0414\u0417, $"
+  metric_type: null
+  expression: sum(overdue_amount)
+  description: null
+  d3format: null
+  currency: null
+  extra:
+    warning_markdown: ''
+  warning_text: null
+columns:
+- column_name: debt_amount
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: Nullable(Decimal(38, 2))
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+- column_name: overdue_amount
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: Nullable(Decimal(38, 2))
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+- column_name: dt
+  verbose_name: null
+  is_dttm: true
+  is_active: true
+  type: Nullable(Date)
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+- column_name: unit_balance_code_name
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: Nullable(String)
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+- column_name: relation_type_code_name
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: Nullable(String)
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+- column_name: counterparty_search_name
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: Nullable(String)
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+- column_name: attribute
+  verbose_name: null
+  is_dttm: false
+  is_active: true
+  type: Nullable(String)
+  advanced_data_type: null
+  groupby: true
+  filterable: true
+  expression: null
+  description: null
+  python_date_format: null
+  extra:
+    warning_markdown: null
+version: 1.0.0
+database_uuid: 97aced68-326a-4094-b381-27980560efa9
--- a/dashboards_example/dashboard_export_20260114T112108/metadata.yaml
+++ b/dashboards_example/dashboard_export_20260114T112108/metadata.yaml
@@ -0,0 +1,3 @@
+version: 1.0.0
+type: Dashboard
+timestamp: '2026-01-14T11:21:08.078620+00:00'
--- a/docs/settings.md
+++ b/docs/settings.md
@@ -13,7 +13,7 @@ The settings mechanism allows users to configure multiple Superset environments
 Configuration is structured using Pydantic models in `backend/src/core/config_models.py`:

 - `Environment`: Represents a Superset instance (URL, credentials). The `base_url` is automatically normalized to include the `/api/v1` suffix if missing.
- `GlobalSettings`: Global application parameters (e.g., `backup_path`).
+- `GlobalSettings`: Global application parameters (e.g., `storage.root_path`).
 - `AppConfig`: The root configuration object.

 ### Configuration Manager
@@ -43,4 +43,4 @@ The settings page is located at `frontend/src/pages/Settings.svelte`. It provide

 Existing plugins and utilities use the `ConfigManager` to fetch configuration:
 - `superset_tool/utils/init_clients.py`: Dynamically initializes Superset clients from the configured environments.
- `BackupPlugin`: Uses the configured `backup_path` as the default storage location.
+- `BackupPlugin`: Uses the configured `storage.root_path` as the default storage location.
--- a/frontend/.eslintignore
+++ b/frontend/.eslintignore
@@ -0,0 +1,7 @@
+node_modules/
+dist/
+build/
+.svelte-kit/
+.vite/
+coverage/
+*.min.js
--- a/frontend/.gitignore
+++ b/frontend/.gitignore
@@ -0,0 +1,26 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+.svelte-kit
+build
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
--- a/frontend/.prettierignore
+++ b/frontend/.prettierignore
@@ -0,0 +1,9 @@
+node_modules/
+dist/
+build/
+.svelte-kit/
+.vite/
+coverage/
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -1,13 +0,0 @@
-<!doctype html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>frontend</title>
-  </head>
-  <body>
-    <div id="app"></div>
-    <script type="module" src="/src/main.js"></script>
-  </body>
-</html>
--- a/frontend/jsconfig.json
+++ b/frontend/jsconfig.json
@@ -1,4 +1,5 @@
 {
+  "extends": "./.svelte-kit/tsconfig.json",
  "compilerOptions": {
    "moduleResolution": "bundler",
    "target": "ESNext",
--- a/frontend/src/App.svelte
+++ b/frontend/src/App.svelte
@@ -1,117 +0,0 @@
-<!-- [DEF:App:Component] -->
-<!--
-@SEMANTICS: main, entrypoint, layout, navigation
-@PURPOSE: The root component of the frontend application. Manages navigation and layout.
-@LAYER: UI
-@RELATION: DEPENDS_ON -> frontend/src/pages/Dashboard.svelte
-@RELATION: DEPENDS_ON -> frontend/src/pages/Settings.svelte
-@RELATION: DEPENDS_ON -> frontend/src/lib/stores.js
-
-@INVARIANT: Navigation state must be persisted in the currentPage store.
-->
-<script>
-  // [SECTION: IMPORTS]
-  import { get } from 'svelte/store';
-  import Dashboard from './pages/Dashboard.svelte';
-  import Settings from './pages/Settings.svelte';
-  import { selectedPlugin, selectedTask, currentPage } from './lib/stores.js';
-  import TaskRunner from './components/TaskRunner.svelte';
-  import DynamicForm from './components/DynamicForm.svelte';
-  import { api } from './lib/api.js';
-  import Toast from './components/Toast.svelte';
-  // [/SECTION]
-
-  // [DEF:handleFormSubmit:Function]
-  /**
-   * @purpose Handles form submission for task creation.
-   * @pre event.detail contains form parameters.
-   * @post Task is created and selectedTask is updated.
-   * @param {CustomEvent} event - The submit event from DynamicForm.
-   */
-  async function handleFormSubmit(event) {
-    console.log("[App.handleFormSubmit][Action] Handling form submission for task creation.");
-    const params = event.detail;
-    try {
-      const plugin = get(selectedPlugin);
-      const task = await api.createTask(plugin.id, params);
-      selectedTask.set(task);
-      selectedPlugin.set(null);
-      console.log(`[App.handleFormSubmit][Coherence:OK] Task created id=${task.id}`);
-    } catch (error) {
-      console.error(`[App.handleFormSubmit][Coherence:Failed] Task creation failed error=${error}`);
-    }
-  }
-  // [/DEF:handleFormSubmit:Function]
-
-  // [DEF:navigate:Function]
-  /**
-   * @purpose Changes the current page and resets state.
-   * @pre Target page name is provided.
-   * @post currentPage store is updated and selection state is reset.
-   * @param {string} page - Target page name.
-   */
-  function navigate(page) {
-    console.log(`[App.navigate][Action] Navigating to ${page}.`);
-    // Reset selection first
-    if (page !== get(currentPage)) {
-      selectedPlugin.set(null);
-      selectedTask.set(null);
-    }
-    // Then set page
-    currentPage.set(page);
-  }
-  // [/DEF:navigate:Function]
-</script>
-
-<!-- [SECTION: TEMPLATE] -->
-<Toast />
-
-<main class="bg-gray-50 min-h-screen">
-  <header class="bg-white shadow-md p-4 flex justify-between items-center">
-    <button
-      type="button"
-      class="text-3xl font-bold text-gray-800 focus:outline-none"
-      on:click={() => navigate('dashboard')}
-    >
-      Superset Tools
-    </button>
-    <nav class="space-x-4">
-      <button
-        type="button"
-        on:click={() => navigate('dashboard')}
-        class="text-gray-600 hover:text-blue-600 font-medium {$currentPage === 'dashboard' ? 'text-blue-600 border-b-2 border-blue-600' : ''}"
-      >
-        Dashboard
-      </button>
-      <button
-        type="button"
-        on:click={() => navigate('settings')}
-        class="text-gray-600 hover:text-blue-600 font-medium {$currentPage === 'settings' ? 'text-blue-600 border-b-2 border-blue-600' : ''}"
-      >
-        Settings
-      </button>
-    </nav>
-  </header>
-
-  <div class="p-4">
-    {#if $currentPage === 'settings'}
-      <Settings />
-    {:else if $selectedTask}
-      <TaskRunner />
-      <button on:click={() => selectedTask.set(null)} class="mt-4 bg-blue-500 text-white p-2 rounded">
-        Back to Task List
-      </button>
-    {:else if $selectedPlugin}
-      <h2 class="text-2xl font-bold mb-4">{$selectedPlugin.name}</h2>
-      <DynamicForm schema={$selectedPlugin.schema} on:submit={handleFormSubmit} />
-      <button on:click={() => selectedPlugin.set(null)} class="mt-4 bg-gray-500 text-white p-2 rounded">
-        Back to Dashboard
-      </button>
-    {:else}
-      <Dashboard />
-    {/if}
-  </div>
-</main>
-<!-- [/SECTION] -->
-
-<!-- [/DEF:App:Component] -->
--- a/frontend/src/components/DashboardGrid.svelte
+++ b/frontend/src/components/DashboardGrid.svelte
@@ -12,6 +12,9 @@
  // [SECTION: IMPORTS]
  import { createEventDispatcher } from 'svelte';
  import type { DashboardMetadata } from '../types/dashboard';
+  import { t } from '../lib/i18n';
+  import { Button, Input } from '../lib/ui';
+  import GitManager from './git/GitManager.svelte';
  // [/SECTION]

  // [SECTION: PROPS]
@@ -27,6 +30,12 @@
  let sortDirection: "asc" | "desc" = "asc";
  // [/SECTION]

+  // [SECTION: UI STATE]
+  let showGitManager = false;
+  let gitDashboardId: number | null = null;
+  let gitDashboardTitle = "";
+  // [/SECTION]
+
  // [SECTION: DERIVED]
  $: filteredDashboards = dashboards.filter(d =>
    d.title.toLowerCase().includes(filterText.toLowerCase())
@@ -120,61 +129,83 @@
  }
  // [/DEF:goToPage:Function]

+  // [DEF:openGit:Function]
+  /**
+   * @purpose Opens the Git management modal for a dashboard.
+   */
+  function openGit(dashboard: DashboardMetadata) {
+    gitDashboardId = dashboard.id;
+    gitDashboardTitle = dashboard.title;
+    showGitManager = true;
+  }
+  // [/DEF:openGit:Function]
+
 </script>

 <!-- [SECTION: TEMPLATE] -->
 <div class="dashboard-grid">
  <!-- Filter Input -->
-  <div class="mb-4">
-    <input
-      type="text"
+  <div class="mb-6">
+    <Input
      bind:value={filterText}
-      placeholder="Search dashboards..."
-      class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
+      placeholder={$t.dashboard.search}
    />
  </div>

  <!-- Grid/Table -->
-  <div class="overflow-x-auto">
-    <table class="min-w-full bg-white border border-gray-300">
+  <div class="overflow-x-auto rounded-lg border border-gray-200">
+    <table class="min-w-full divide-y divide-gray-200">
      <thead class="bg-gray-50">
        <tr>
-          <th class="px-4 py-2 border-b">
+          <th class="px-6 py-3 text-left">
            <input
              type="checkbox"
              checked={allSelected}
              indeterminate={someSelected && !allSelected}
              on:change={(e) => handleSelectAll((e.target as HTMLInputElement).checked)}
+              class="h-4 w-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500"
            />
          </th>
-          <th class="px-4 py-2 border-b cursor-pointer" on:click={() => handleSort('title')}>
-            Title {sortColumn === 'title' ? (sortDirection === 'asc' ? '↑' : '↓') : ''}
+          <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider cursor-pointer hover:text-gray-700 transition-colors" on:click={() => handleSort('title')}>
+            {$t.dashboard.title} {sortColumn === 'title' ? (sortDirection === 'asc' ? '↑' : '↓') : ''}
          </th>
-          <th class="px-4 py-2 border-b cursor-pointer" on:click={() => handleSort('last_modified')}>
-            Last Modified {sortColumn === 'last_modified' ? (sortDirection === 'asc' ? '↑' : '↓') : ''}
+          <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider cursor-pointer hover:text-gray-700 transition-colors" on:click={() => handleSort('last_modified')}>
+            {$t.dashboard.last_modified} {sortColumn === 'last_modified' ? (sortDirection === 'asc' ? '↑' : '↓') : ''}
          </th>
-          <th class="px-4 py-2 border-b cursor-pointer" on:click={() => handleSort('status')}>
-            Status {sortColumn === 'status' ? (sortDirection === 'asc' ? '↑' : '↓') : ''}
+          <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider cursor-pointer hover:text-gray-700 transition-colors" on:click={() => handleSort('status')}>
+            {$t.dashboard.status} {sortColumn === 'status' ? (sortDirection === 'asc' ? '↑' : '↓') : ''}
          </th>
+          <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.dashboard.git}</th>
        </tr>
      </thead>
-      <tbody>
+      <tbody class="bg-white divide-y divide-gray-200">
        {#each paginatedDashboards as dashboard (dashboard.id)}
-          <tr class="hover:bg-gray-50">
-            <td class="px-4 py-2 border-b">
+          <tr class="hover:bg-gray-50 transition-colors">
+            <td class="px-6 py-4 whitespace-nowrap">
              <input
                type="checkbox"
                checked={selectedIds.includes(dashboard.id)}
                on:change={(e) => handleSelectionChange(dashboard.id, (e.target as HTMLInputElement).checked)}
+                class="h-4 w-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500"
              />
            </td>
-            <td class="px-4 py-2 border-b">{dashboard.title}</td>
-            <td class="px-4 py-2 border-b">{new Date(dashboard.last_modified).toLocaleDateString()}</td>
-            <td class="px-4 py-2 border-b">
+            <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">{dashboard.title}</td>
+            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">{new Date(dashboard.last_modified).toLocaleDateString()}</td>
+            <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
              <span class="px-2 py-1 text-xs font-medium rounded-full {dashboard.status === 'published' ? 'bg-green-100 text-green-800' : 'bg-gray-100 text-gray-800'}">
                {dashboard.status}
              </span>
            </td>
+            <td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
+              <Button
+                variant="ghost"
+                size="sm"
+                on:click={() => openGit(dashboard)}
+                class="text-blue-600 hover:text-blue-900"
+              >
+                {$t.git.manage}
+              </Button>
+            </td>
          </tr>
        {/each}
      </tbody>
@@ -182,28 +213,42 @@
  </div>

  <!-- Pagination Controls -->
-  <div class="flex items-center justify-between mt-4">
-    <div class="text-sm text-gray-700">
-      Showing {currentPage * pageSize + 1} to {Math.min((currentPage + 1) * pageSize, sortedDashboards.length)} of {sortedDashboards.length} dashboards
+  <div class="flex items-center justify-between mt-6">
+    <div class="text-sm text-gray-500">
+      {($t.dashboard?.showing || "")
+        .replace('{start}', (currentPage * pageSize + 1).toString())
+        .replace('{end}', Math.min((currentPage + 1) * pageSize, sortedDashboards.length).toString())
+        .replace('{total}', sortedDashboards.length.toString())}
    </div>
-    <div class="flex space-x-2">
-      <button
-        class="px-3 py-1 text-sm border border-gray-300 rounded-md hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed"
+    <div class="flex gap-2">
+      <Button
+        variant="secondary"
+        size="sm"
        disabled={currentPage === 0}
        on:click={() => goToPage(currentPage - 1)}
      >
-        Previous
-      </button>
-      <button
-        class="px-3 py-1 text-sm border border-gray-300 rounded-md hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed"
+        {$t.dashboard.previous}
+      </Button>
+      <Button
+        variant="secondary"
+        size="sm"
        disabled={currentPage >= totalPages - 1}
        on:click={() => goToPage(currentPage + 1)}
      >
-        Next
-      </button>
+        {$t.dashboard.next}
+      </Button>
    </div>
  </div>
 </div>
+
+{#if showGitManager && gitDashboardId}
+  <GitManager
+    dashboardId={gitDashboardId}
+    dashboardTitle={gitDashboardTitle}
+    bind:show={showGitManager}
+  />
+{/if}
+
 <!-- [/SECTION] -->

 <style>
--- a/frontend/src/components/Navbar.svelte
+++ b/frontend/src/components/Navbar.svelte
@@ -7,53 +7,65 @@
 -->
 <script>
    import { page } from '$app/stores';
+    import { t } from '$lib/i18n';
+    import { LanguageSwitcher } from '$lib/ui';
 </script>

 <header class="bg-white shadow-md p-4 flex justify-between items-center">
    <a
        href="/"
-        class="text-3xl font-bold text-gray-800 focus:outline-none"
+        class="text-2xl font-bold text-gray-800 focus:outline-none"
    >
        Superset Tools
    </a>
-    <nav class="space-x-4">
+    <nav class="flex items-center space-x-4">
        <a
            href="/"
            class="text-gray-600 hover:text-blue-600 font-medium {$page.url.pathname === '/' ? 'text-blue-600 border-b-2 border-blue-600' : ''}"
        >
-            Dashboard
+            {$t.nav.dashboard}
        </a>
        <a
            href="/migration"
            class="text-gray-600 hover:text-blue-600 font-medium {$page.url.pathname.startsWith('/migration') ? 'text-blue-600 border-b-2 border-blue-600' : ''}"
        >
-            Migration
+            {$t.nav.migration}
+        </a>
+        <a
+            href="/git"
+            class="text-gray-600 hover:text-blue-600 font-medium {$page.url.pathname.startsWith('/git') ? 'text-blue-600 border-b-2 border-blue-600' : ''}"
+        >
+            {$t.nav.git}
        </a>
        <a
            href="/tasks"
            class="text-gray-600 hover:text-blue-600 font-medium {$page.url.pathname.startsWith('/tasks') ? 'text-blue-600 border-b-2 border-blue-600' : ''}"
        >
-            Tasks
+            {$t.nav.tasks}
        </a>
        <div class="relative inline-block group">
            <button class="text-gray-600 hover:text-blue-600 font-medium pb-1 {$page.url.pathname.startsWith('/tools') ? 'text-blue-600 border-b-2 border-blue-600' : ''}">
-                Tools
+                {$t.nav.tools}
            </button>
            <div class="absolute hidden group-hover:block bg-white shadow-lg rounded-md mt-1 py-2 w-48 z-10 border border-gray-100 before:absolute before:-top-2 before:left-0 before:right-0 before:h-2 before:content-[''] right-0">
-                <a href="/tools/search" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">Dataset Search</a>
-                <a href="/tools/mapper" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">Dataset Mapper</a>
-                <a href="/tools/debug" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">System Debug</a>
+                <a href="/tools/search" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.tools_search}</a>
+                <a href="/tools/mapper" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.tools_mapper}</a>
+                <a href="/tools/debug" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.tools_debug}</a>
+                <a href="/tools/storage" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.tools_storage}</a>
            </div>
        </div>
        <div class="relative inline-block group">
            <button class="text-gray-600 hover:text-blue-600 font-medium pb-1 {$page.url.pathname.startsWith('/settings') ? 'text-blue-600 border-b-2 border-blue-600' : ''}">
-                Settings
+                {$t.nav.settings}
            </button>
            <div class="absolute hidden group-hover:block bg-white shadow-lg rounded-md mt-1 py-2 w-48 z-10 border border-gray-100 before:absolute before:-top-2 before:left-0 before:right-0 before:h-2 before:content-[''] right-0">
-                <a href="/settings" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">General Settings</a>
-                <a href="/settings/connections" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">Connections</a>
+                <a href="/settings" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.settings_general}</a>
+                <a href="/settings/connections" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.settings_connections}</a>
+                <a href="/settings/git" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.settings_git}</a>
+                <a href="/settings/environments" class="block px-4 py-2 text-sm text-gray-700 hover:bg-blue-50 hover:text-blue-600">{$t.nav.settings_environments}</a>
            </div>
        </div>
+        <LanguageSwitcher />
    </nav>
 </header>
 <!-- [/DEF:Navbar:Component] -->
--- a/frontend/src/components/TaskList.svelte
+++ b/frontend/src/components/TaskList.svelte
@@ -9,6 +9,7 @@
 <script lang="ts">
  import { createEventDispatcher } from 'svelte';
  import { formatDistanceToNow } from 'date-fns';
+  import { t } from '../lib/i18n';

  export let tasks: Array<any> = [];
  export let loading: boolean = false;
@@ -58,9 +59,9 @@

 <div class="bg-white shadow overflow-hidden sm:rounded-md">
  {#if loading && tasks.length === 0}
-    <div class="p-4 text-center text-gray-500">Loading tasks...</div>
+    <div class="p-4 text-center text-gray-500">{$t.tasks?.loading || 'Loading...'}</div>
  {:else if tasks.length === 0}
-    <div class="p-4 text-center text-gray-500">No tasks found.</div>
+    <div class="p-4 text-center text-gray-500">{$t.tasks?.no_tasks || 'No tasks found.'}</div>
  {:else}
    <ul class="divide-y divide-gray-200">
      {#each tasks as task (task.id)}
@@ -94,7 +95,7 @@
                    <path fill-rule="evenodd" d="M6 2a1 1 0 00-1 1v1H4a2 2 0 00-2 2v10a2 2 0 002 2h12a2 2 0 002-2V6a2 2 0 00-2-2h-1V3a1 1 0 10-2 0v1H7V3a1 1 0 00-1-1zm0 5a1 1 0 000 2h8a1 1 0 100-2H6z" clip-rule="evenodd" />
                  </svg>
                  <p>
-                    Started {formatTime(task.started_at)}
+                    {($t.tasks?.started || "").replace('{time}', formatTime(task.started_at))}
                  </p>
                </div>
              </div>
--- a/frontend/src/components/TaskLogViewer.svelte
+++ b/frontend/src/components/TaskLogViewer.svelte
@@ -8,6 +8,8 @@
 <script>
    import { createEventDispatcher, onMount, onDestroy } from 'svelte';
    import { getTaskLogs } from '../services/taskService.js';
+    import { t } from '../lib/i18n';
+    import { Button } from '../lib/ui';

    export let show = false;
    export let inline = false;
@@ -143,20 +145,20 @@
        <div class="flex flex-col h-full w-full p-4">
            <div class="flex justify-between items-center mb-4">
                <h3 class="text-lg font-medium text-gray-900">
-                    Task Logs <span class="text-sm text-gray-500 font-normal">({taskId})</span>
+                    {$t.tasks?.logs_title} <span class="text-sm text-gray-500 font-normal">({taskId})</span>
                </h3>
-                <button on:click={fetchLogs} class="text-sm text-indigo-600 hover:text-indigo-900">Refresh</button>
+                <Button variant="ghost" size="sm" on:click={fetchLogs} class="text-blue-600">{$t.tasks?.refresh}</Button>
            </div>
            
            <div class="flex-1 border rounded-md bg-gray-50 p-4 overflow-y-auto font-mono text-sm"
                 bind:this={logContainer}
                 on:scroll={handleScroll}>
                {#if loading && logs.length === 0}
-                    <p class="text-gray-500 text-center">Loading logs...</p>
+                    <p class="text-gray-500 text-center">{$t.tasks?.loading}</p>
                {:else if error}
                    <p class="text-red-500 text-center">{error}</p>
                {:else if logs.length === 0}
-                    <p class="text-gray-500 text-center">No logs available.</p>
+                    <p class="text-gray-500 text-center">{$t.tasks?.no_logs}</p>
                {:else}
                    {#each logs as log}
                        <div class="mb-1 hover:bg-gray-100 p-1 rounded">
@@ -192,19 +194,19 @@
                        <div class="sm:flex sm:items-start">
                            <div class="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left w-full">
                                <h3 class="text-lg leading-6 font-medium text-gray-900 flex justify-between items-center" id="modal-title">
-                                    <span>Task Logs <span class="text-sm text-gray-500 font-normal">({taskId})</span></span>
-                                    <button on:click={fetchLogs} class="text-sm text-indigo-600 hover:text-indigo-900">Refresh</button>
+                                    <span>{$t.tasks.logs_title} <span class="text-sm text-gray-500 font-normal">({taskId})</span></span>
+                                    <Button variant="ghost" size="sm" on:click={fetchLogs} class="text-blue-600">{$t.tasks.refresh}</Button>
                                </h3>
                                
                                <div class="mt-4 border rounded-md bg-gray-50 p-4 h-96 overflow-y-auto font-mono text-sm"
                                     bind:this={logContainer}
                                     on:scroll={handleScroll}>
                                    {#if loading && logs.length === 0}
-                                        <p class="text-gray-500 text-center">Loading logs...</p>
+                                        <p class="text-gray-500 text-center">{$t.tasks.loading}</p>
                                    {:else if error}
                                        <p class="text-red-500 text-center">{error}</p>
                                    {:else if logs.length === 0}
-                                        <p class="text-gray-500 text-center">No logs available.</p>
+                                        <p class="text-gray-500 text-center">{$t.tasks.no_logs}</p>
                                    {:else}
                                        {#each logs as log}
                                            <div class="mb-1 hover:bg-gray-100 p-1 rounded">
@@ -230,13 +232,9 @@
                        </div>
                    </div>
                    <div class="bg-gray-50 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse">
-                        <button
-                            type="button"
-                            class="mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 shadow-sm px-4 py-2 bg-white text-base font-medium text-gray-700 hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 sm:mt-0 sm:ml-3 sm:w-auto sm:text-sm"
-                            on:click={close}
-                        >
-                            Close
-                        </button>
+                        <Button variant="secondary" on:click={close}>
+                            {$t.common.cancel}
+                        </Button>
                    </div>
                </div>
            </div>
--- a/frontend/src/components/git/BranchSelector.svelte
+++ b/frontend/src/components/git/BranchSelector.svelte
@@ -0,0 +1,178 @@
+<!-- [DEF:BranchSelector:Component] -->
+<!--
+@SEMANTICS: git, branch, selection, checkout
+@PURPOSE:   UI для выбора и создания веток Git.
+@LAYER:     Component
+@RELATION:  CALLS -> gitService.getBranches
+@RELATION:  CALLS -> gitService.checkoutBranch
+@RELATION:  CALLS -> gitService.createBranch
+@RELATION:  DISPATCHES -> change
+-->
+
+<script>
+    // [SECTION: IMPORTS]
+    import { onMount, createEventDispatcher } from 'svelte';
+    import { gitService } from '../../services/gitService';
+    import { addToast as toast } from '../../lib/toasts.js';
+    import { t } from '../../lib/i18n';
+    import { Button, Select, Input } from '../../lib/ui';
+    // [/SECTION]
+
+    // [SECTION: PROPS]
+    export let dashboardId;
+    export let currentBranch = 'main';
+    // [/SECTION]
+
+    // [SECTION: STATE]
+    let branches = [];
+    let loading = false;
+    let showCreate = false;
+    let newBranchName = '';
+    // [/SECTION]
+
+    const dispatch = createEventDispatcher();
+
+    // [DEF:onMount:Function]
+    /**
+     * @purpose Load branches when component is mounted.
+     * @pre Component is initialized.
+     * @post loadBranches is called.
+     */
+    onMount(async () => {
+        await loadBranches();
+    });
+    // [/DEF:onMount:Function]
+
+    // [DEF:loadBranches:Function]
+    /**
+     * @purpose Загружает список веток для дашборда.
+     * @pre dashboardId is provided.
+     * @post branches обновлен.
+     */
+    async function loadBranches() {
+        console.log(`[BranchSelector][Action] Loading branches for dashboard ${dashboardId}`);
+        loading = true;
+        try {
+            branches = await gitService.getBranches(dashboardId);
+            console.log(`[BranchSelector][Coherence:OK] Loaded ${branches.length} branches`);
+        } catch (e) {
+            console.error(`[BranchSelector][Coherence:Failed] ${e.message}`);
+            toast('Failed to load branches', 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:loadBranches:Function]
+
+    // [DEF:handleSelect:Function]
+    /**
+     * @purpose Handles branch selection from dropdown.
+     * @pre event contains branch name.
+     * @post handleCheckout is called with selected branch.
+     */
+    function handleSelect(event) {
+        handleCheckout(event.target.value);
+    }
+    // [/DEF:handleSelect:Function]
+
+    // [DEF:handleCheckout:Function]
+    /**
+     * @purpose Переключает текущую ветку.
+     * @param {string} branchName - Имя ветки.
+     * @post currentBranch обновлен, событие отправлено.
+     */
+    async function handleCheckout(branchName) {
+        console.log(`[BranchSelector][Action] Checking out branch ${branchName}`);
+        try {
+            await gitService.checkoutBranch(dashboardId, branchName);
+            currentBranch = branchName;
+            dispatch('change', { branch: branchName });
+            toast(`Switched to ${branchName}`, 'success');
+            console.log(`[BranchSelector][Coherence:OK] Checked out ${branchName}`);
+        } catch (e) {
+            console.error(`[BranchSelector][Coherence:Failed] ${e.message}`);
+            toast(e.message, 'error');
+        }
+    }
+    // [/DEF:handleCheckout:Function]
+
+    // [DEF:handleCreate:Function]
+    /**
+     * @purpose Создает новую ветку.
+     * @pre newBranchName is not empty.
+     * @post Новая ветка создана и загружена; showCreate reset.
+     */
+    async function handleCreate() {
+        if (!newBranchName) return;
+        console.log(`[BranchSelector][Action] Creating branch ${newBranchName} from ${currentBranch}`);
+        try {
+            await gitService.createBranch(dashboardId, newBranchName, currentBranch);
+            toast(`Created branch ${newBranchName}`, 'success');
+            showCreate = false;
+            newBranchName = '';
+            await loadBranches();
+            console.log(`[BranchSelector][Coherence:OK] Branch created`);
+        } catch (e) {
+            console.error(`[BranchSelector][Coherence:Failed] ${e.message}`);
+            toast(e.message, 'error');
+        }
+    }
+    // [/DEF:handleCreate:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<div class="space-y-3">
+    <div class="flex items-center gap-3">
+        <div class="flex-grow">
+            <Select
+                bind:value={currentBranch}
+                on:change={handleSelect}
+                disabled={loading}
+                options={branches.map(b => ({ value: b.name, label: b.name }))}
+            />
+        </div>
+
+        <Button
+            variant="ghost"
+            size="sm"
+            on:click={() => showCreate = !showCreate}
+            disabled={loading}
+            class="text-blue-600"
+        >
+            + {$t.git.new_branch}
+        </Button>
+    </div>
+
+    {#if showCreate}
+        <div class="flex items-end gap-2 bg-gray-50 p-3 rounded-lg border border-dashed border-gray-200">
+            <div class="flex-grow">
+                <Input
+                    bind:value={newBranchName}
+                    placeholder="branch-name"
+                    disabled={loading}
+                />
+            </div>
+            <Button
+                variant="primary"
+                size="sm"
+                on:click={handleCreate}
+                disabled={loading || !newBranchName}
+                isLoading={loading}
+                class="bg-green-600 hover:bg-green-700"
+            >
+                {$t.git.create}
+            </Button>
+            <Button
+                variant="ghost"
+                size="sm"
+                on:click={() => showCreate = false}
+                disabled={loading}
+            >
+                {$t.common.cancel}
+            </Button>
+        </div>
+    {/if}
+</div>
+<!-- [/SECTION] -->
+
+<!-- [/DEF:BranchSelector:Component] -->
--- a/frontend/src/components/git/CommitHistory.svelte
+++ b/frontend/src/components/git/CommitHistory.svelte
@@ -0,0 +1,95 @@
+<!-- [DEF:CommitHistory:Component] -->
+<!--
+@SEMANTICS: git, history, commits, audit
+@PURPOSE:   Displays the commit history for a specific dashboard.
+@LAYER:     Component
+@RELATION:  CALLS -> gitService.getHistory
+-->
+
+<script>
+    // [SECTION: IMPORTS]
+    import { onMount } from 'svelte';
+    import { gitService } from '../../services/gitService';
+    import { addToast as toast } from '../../lib/toasts.js';
+    import { t } from '../../lib/i18n';
+    import { Button } from '../../lib/ui';
+    // [/SECTION]
+
+    // [SECTION: PROPS]
+    export let dashboardId;
+    // [/SECTION]
+
+    // [SECTION: STATE]
+    let history = [];
+    let loading = false;
+    // [/SECTION]
+
+    // [DEF:onMount:Function]
+    /**
+     * @purpose Load history when component is mounted.
+     * @pre Component is initialized with dashboardId.
+     * @post loadHistory is called.
+     */
+    onMount(async () => {
+        await loadHistory();
+    });
+    // [/DEF:onMount:Function]
+
+    // [DEF:loadHistory:Function]
+    /**
+     * @purpose Fetch commit history from the backend.
+     * @pre dashboardId is valid.
+     * @post history state is updated.
+     */
+    async function loadHistory() {
+        console.log(`[CommitHistory][Action] Loading history for dashboard ${dashboardId}`);
+        loading = true;
+        try {
+            history = await gitService.getHistory(dashboardId);
+            console.log(`[CommitHistory][Coherence:OK] Loaded ${history.length} commits`);
+        } catch (e) {
+            console.error(`[CommitHistory][Coherence:Failed] ${e.message}`);
+            toast('Failed to load commit history', 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:loadHistory:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<div class="mt-2">
+    <div class="flex justify-between items-center mb-6">
+        <h3 class="text-sm font-semibold text-gray-400 uppercase tracking-wider">
+            {$t.git.history}
+        </h3>
+        <Button variant="ghost" size="sm" on:click={loadHistory} class="text-blue-600">
+            {$t.git.refresh}
+        </Button>
+    </div>
+
+    {#if loading}
+        <div class="flex items-center justify-center py-12">
+            <div class="animate-spin rounded-full h-6 w-6 border-b-2 border-blue-600"></div>
+        </div>
+    {:else if history.length === 0}
+        <p class="text-gray-500 italic text-center py-12">{$t.git.no_commits}</p>
+    {:else}
+        <div class="space-y-3 max-h-96 overflow-y-auto pr-2">
+            {#each history as commit}
+                <div class="border-l-2 border-blue-500 pl-4 py-1">
+                    <div class="flex justify-between items-start">
+                        <span class="font-medium text-sm">{commit.message}</span>
+                        <span class="text-xs text-gray-400 font-mono">{commit.hash.substring(0, 7)}</span>
+                    </div>
+                    <div class="text-xs text-gray-500 mt-1">
+                        {commit.author} • {new Date(commit.timestamp).toLocaleString()}
+                    </div>
+                </div>
+            {/each}
+        </div>
+    {/if}
+</div>
+<!-- [/SECTION] -->
+
+<!-- [/DEF:CommitHistory:Component] -->
--- a/frontend/src/components/git/CommitModal.svelte
+++ b/frontend/src/components/git/CommitModal.svelte
@@ -0,0 +1,175 @@
+<!-- [DEF:CommitModal:Component] -->
+<!--
+@SEMANTICS: git, commit, modal, version_control, diff
+@PURPOSE:   Модальное окно для создания коммита с просмотром изменений (diff).
+@LAYER:     Component
+@RELATION:  CALLS -> gitService.commit
+@RELATION:  CALLS -> gitService.getStatus
+@RELATION:  CALLS -> gitService.getDiff
+@RELATION:  DISPATCHES -> commit
+-->
+
+<script>
+    // [SECTION: IMPORTS]
+    import { createEventDispatcher, onMount } from 'svelte';
+    import { gitService } from '../../services/gitService';
+    import { addToast as toast } from '../../lib/toasts.js';
+    // [/SECTION]
+
+    // [SECTION: PROPS]
+    export let dashboardId;
+    export let show = false;
+    // [/SECTION]
+
+    // [SECTION: STATE]
+    let message = '';
+    let committing = false;
+    let status = null;
+    let diff = '';
+    let loading = false;
+    // [/SECTION]
+
+    const dispatch = createEventDispatcher();
+
+    // [DEF:loadStatus:Function]
+    /**
+     * @purpose Загружает текущий статус репозитория и diff.
+     * @pre dashboardId должен быть валидным.
+     */
+    async function loadStatus() {
+        if (!dashboardId || !show) return;
+        loading = true;
+        try {
+            console.log(`[CommitModal][Action] Loading status and diff for ${dashboardId}`);
+            status = await gitService.getStatus(dashboardId);
+            // Fetch both unstaged and staged diffs to show complete picture
+            const unstagedDiff = await gitService.getDiff(dashboardId, null, false);
+            const stagedDiff = await gitService.getDiff(dashboardId, null, true);
+            
+            diff = "";
+            if (stagedDiff) diff += "--- STAGED CHANGES ---\n" + stagedDiff + "\n\n";
+            if (unstagedDiff) diff += "--- UNSTAGED CHANGES ---\n" + unstagedDiff;
+            
+            if (!diff) diff = "";
+        } catch (e) {
+            console.error(`[CommitModal][Coherence:Failed] ${e.message}`);
+            toast('Failed to load changes', 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:loadStatus:Function]
+
+    // [DEF:handleCommit:Function]
+    /**
+     * @purpose Создает коммит с указанным сообщением.
+     * @pre message не должно быть пустым.
+     * @post Коммит создан, событие отправлено, модальное окно закрыто.
+     */
+    async function handleCommit() {
+        if (!message) return;
+        console.log(`[CommitModal][Action] Committing changes for dashboard ${dashboardId}`);
+        committing = true;
+        try {
+            await gitService.commit(dashboardId, message, []);
+            toast('Changes committed successfully', 'success');
+            dispatch('commit');
+            show = false;
+            message = '';
+            console.log(`[CommitModal][Coherence:OK] Committed`);
+        } catch (e) {
+            console.error(`[CommitModal][Coherence:Failed] ${e.message}`);
+            toast(e.message, 'error');
+        } finally {
+            committing = false;
+        }
+    }
+    // [/DEF:handleCommit:Function]
+
+    $: if (show) loadStatus();
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+{#if show}
+    <div class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
+        <div class="bg-white p-6 rounded-lg shadow-xl w-full max-w-4xl max-h-[90vh] flex flex-col">
+            <h2 class="text-xl font-bold mb-4">Commit Changes</h2>
+            
+            <div class="flex flex-col md:flex-row gap-4 flex-1 overflow-hidden">
+                <!-- Left: Message and Files -->
+                <div class="w-full md:w-1/3 flex flex-col">
+                    <div class="mb-4">
+                        <label class="block text-sm font-medium text-gray-700 mb-1">Commit Message</label>
+                        <textarea 
+                            bind:value={message}
+                            class="w-full border rounded p-2 h-32 focus:ring-2 focus:ring-blue-500 outline-none resize-none"
+                            placeholder="Describe your changes..."
+                        ></textarea>
+                    </div>
+
+                    {#if status}
+                        <div class="flex-1 overflow-y-auto">
+                            <h3 class="text-sm font-bold text-gray-500 uppercase mb-2">Changed Files</h3>
+                            <ul class="text-xs space-y-1">
+                                {#each status.staged_files as file}
+                                    <li class="text-green-600 flex items-center font-semibold" title="Staged">
+                                        <span class="mr-2">S</span> {file}
+                                    </li>
+                                {/each}
+                                {#each status.modified_files as file}
+                                    <li class="text-yellow-600 flex items-center" title="Modified (Unstaged)">
+                                        <span class="mr-2">M</span> {file}
+                                    </li>
+                                {/each}
+                                {#each status.untracked_files as file}
+                                    <li class="text-blue-600 flex items-center" title="Untracked">
+                                        <span class="mr-2">?</span> {file}
+                                    </li>
+                                {/each}
+                            </ul>
+                        </div>
+                    {/if}
+                </div>
+
+                <!-- Right: Diff Viewer -->
+                <div class="w-full md:w-2/3 flex flex-col overflow-hidden border rounded bg-gray-50">
+                    <div class="bg-gray-200 px-3 py-1 text-xs font-bold text-gray-600 border-b">Changes Preview</div>
+                    <div class="flex-1 overflow-auto p-2">
+                        {#if loading}
+                            <div class="flex items-center justify-center h-full text-gray-500">Loading diff...</div>
+                        {:else if diff}
+                            <pre class="text-xs font-mono whitespace-pre-wrap">{diff}</pre>
+                        {:else}
+                            <div class="flex items-center justify-center h-full text-gray-500 italic">No changes detected</div>
+                        {/if}
+                    </div>
+                </div>
+            </div>
+
+            <div class="flex justify-end space-x-3 mt-6 pt-4 border-t">
+                <button 
+                    on:click={() => show = false}
+                    class="px-4 py-2 text-gray-600 hover:bg-gray-100 rounded"
+                >
+                    Cancel
+                </button>
+                <button
+                    on:click={handleCommit}
+                    disabled={committing || !message || loading || (!status?.is_dirty && status?.staged_files?.length === 0)}
+                    class="px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700 disabled:opacity-50"
+                >
+                    {committing ? 'Committing...' : 'Commit'}
+                </button>
+            </div>
+        </div>
+    </div>
+{/if}
+<!-- [/SECTION] -->
+
+<style>
+    pre {
+        tab-size: 4;
+    }
+</style>
+
+<!-- [/DEF:CommitModal:Component] -->
--- a/frontend/src/components/git/ConflictResolver.svelte
+++ b/frontend/src/components/git/ConflictResolver.svelte
@@ -0,0 +1,142 @@
+<!-- [DEF:ConflictResolver:Component] -->
+<!--
+@SEMANTICS: git, conflict, resolution, merge
+@PURPOSE:   UI for resolving merge conflicts (Keep Mine / Keep Theirs).
+@LAYER:     Component
+@RELATION:  DISPATCHES -> resolve
+
+@INVARIANT: User must resolve all conflicts before saving.
+-->
+
+<script>
+    // [SECTION: IMPORTS]
+    import { createEventDispatcher } from 'svelte';
+    import { addToast as toast } from '../../lib/toasts.js';
+    // [/SECTION]
+
+    // [SECTION: PROPS]
+    /** @type {Array<{file_path: string, mine: string, theirs: string}>} */
+    export let conflicts = []; 
+    export let show = false;
+    // [/SECTION]
+
+    // [SECTION: STATE]
+    const dispatch = createEventDispatcher();
+    /** @type {Object.<string, 'mine' | 'theirs' | 'manual'>} */
+    let resolutions = {}; 
+    // [/SECTION]
+
+    // [DEF:resolve:Function]
+    /**
+     * @purpose Set resolution strategy for a file.
+     * @pre     file path must exist in conflicts array.
+     * @post    resolutions state is updated for the given file.
+     * @param   {string} file - File path.
+     * @param   {'mine'|'theirs'} strategy - Resolution strategy.
+     * @side_effect Updates resolutions state.
+     */
+    function resolve(file, strategy) {
+        console.log(`[ConflictResolver][Action] Resolving ${file} with ${strategy}`);
+        resolutions[file] = strategy;
+        resolutions = { ...resolutions }; // Trigger update
+    }
+    // [/DEF:resolve:Function]
+
+    // [DEF:handleSave:Function]
+    /**
+     * @purpose Validate and submit resolutions.
+     * @pre     All conflicts must have a resolution.
+     * @post    'resolve' event dispatched if valid.
+     * @side_effect Dispatches event and closes modal.
+     */
+    function handleSave() {
+        // 1. Guard Clause (@PRE)
+        const unresolved = conflicts.filter(c => !resolutions[c.file_path]);
+        if (unresolved.length > 0) {
+            console.warn(`[ConflictResolver][Coherence:Failed] ${unresolved.length} unresolved conflicts`);
+            toast(`Please resolve all conflicts first. (${unresolved.length} remaining)`, 'error');
+            return;
+        }
+
+        // 2. Implementation
+        console.log(`[ConflictResolver][Coherence:OK] All conflicts resolved`);
+        dispatch('resolve', resolutions);
+        show = false;
+    }
+    // [/DEF:handleSave:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+{#if show}
+    <div class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
+        <div class="bg-white p-6 rounded-lg shadow-xl w-full max-w-5xl max-h-[90vh] flex flex-col">
+            <h2 class="text-xl font-bold mb-4 text-red-600">Merge Conflicts Detected</h2>
+            <p class="text-gray-600 mb-4">The following files have conflicts. Please choose how to resolve them.</p>
+
+            <div class="flex-1 overflow-y-auto space-y-6 mb-4 pr-2">
+                {#each conflicts as conflict}
+                    <div class="border rounded-lg overflow-hidden">
+                        <div class="bg-gray-100 px-4 py-2 font-medium border-b flex justify-between items-center">
+                            <span>{conflict.file_path}</span>
+                            {#if resolutions[conflict.file_path]}
+                                <span class="text-xs bg-blue-100 text-blue-700 px-2 py-0.5 rounded-full uppercase font-bold">
+                                    Resolved: {resolutions[conflict.file_path]}
+                                </span>
+                            {/if}
+                        </div>
+                        <div class="grid grid-cols-1 md:grid-cols-2 gap-0 divide-x">
+                            <div class="p-0 flex flex-col">
+                                <div class="bg-blue-50 px-4 py-1 text-[10px] font-bold text-blue-600 uppercase border-b">Your Changes (Mine)</div>
+                                <div class="p-4 bg-white flex-1 overflow-auto">
+                                    <pre class="text-xs font-mono whitespace-pre">{conflict.mine}</pre>
+                                </div>
+                                <button 
+                                    class="w-full py-2 text-sm font-medium border-t transition-colors {resolutions[conflict.file_path] === 'mine' ? 'bg-blue-600 text-white' : 'bg-gray-50 hover:bg-blue-50 text-blue-600'}"
+                                    on:click={() => resolve(conflict.file_path, 'mine')}
+                                >
+                                    Keep Mine
+                                </button>
+                            </div>
+                            <div class="p-0 flex flex-col">
+                                <div class="bg-green-50 px-4 py-1 text-[10px] font-bold text-green-600 uppercase border-b">Remote Changes (Theirs)</div>
+                                <div class="p-4 bg-white flex-1 overflow-auto">
+                                    <pre class="text-xs font-mono whitespace-pre">{conflict.theirs}</pre>
+                                </div>
+                                <button 
+                                    class="w-full py-2 text-sm font-medium border-t transition-colors {resolutions[conflict.file_path] === 'theirs' ? 'bg-green-600 text-white' : 'bg-gray-50 hover:bg-green-50 text-green-600'}"
+                                    on:click={() => resolve(conflict.file_path, 'theirs')}
+                                >
+                                    Keep Theirs
+                                </button>
+                            </div>
+                        </div>
+                    </div>
+                {/each}
+            </div>
+
+            <div class="flex justify-end space-x-3 pt-4 border-t">
+                <button 
+                    on:click={() => show = false}
+                    class="px-4 py-2 text-gray-600 hover:bg-gray-100 rounded transition-colors"
+                >
+                    Cancel
+                </button>
+                <button 
+                    on:click={handleSave}
+                    class="px-4 py-2 bg-blue-600 text-white rounded hover:bg-blue-700 transition-colors shadow-sm"
+                >
+                    Resolve & Continue
+                </button>
+            </div>
+        </div>
+    </div>
+{/if}
+<!-- [/SECTION] -->
+
+<style>
+    pre {
+        tab-size: 4;
+    }
+</style>
+
+<!-- [/DEF:ConflictResolver:Component] -->
--- a/frontend/src/components/git/DeploymentModal.svelte
+++ b/frontend/src/components/git/DeploymentModal.svelte
@@ -0,0 +1,148 @@
+<!-- [DEF:DeploymentModal:Component] -->
+<!--
+@SEMANTICS: deployment, git, environment, modal
+@PURPOSE:   Modal for deploying a dashboard to a target environment.
+@LAYER:     Component
+@RELATION:  CALLS -> frontend/src/services/gitService.js
+@RELATION:  DISPATCHES -> deploy
+
+@INVARIANT: Cannot deploy without a selected environment.
+-->
+
+<script>
+    // [SECTION: IMPORTS]
+    import { onMount, createEventDispatcher } from 'svelte';
+    import { gitService } from '../../services/gitService';
+    import { addToast as toast } from '../../lib/toasts.js';
+    // [/SECTION]
+
+    // [SECTION: PROPS]
+    export let dashboardId;
+    export let show = false;
+    // [/SECTION]
+
+    // [SECTION: STATE]
+    let environments = [];
+    let selectedEnv = '';
+    let loading = false;
+    let deploying = false;
+    // [/SECTION]
+
+    const dispatch = createEventDispatcher();
+
+    // [DEF:loadStatus:Watcher]
+    $: if (show) loadEnvironments();
+    // [/DEF:loadStatus:Watcher]
+
+    // [DEF:loadEnvironments:Function]
+    /**
+     * @purpose Fetch available environments from API.
+     * @post environments state is populated.
+     * @side_effect Updates environments state.
+     */
+    async function loadEnvironments() {
+        console.log(`[DeploymentModal][Action] Loading environments`);
+        loading = true;
+        try {
+            environments = await gitService.getEnvironments();
+            if (environments.length > 0) {
+                selectedEnv = environments[0].id;
+            }
+            console.log(`[DeploymentModal][Coherence:OK] Loaded ${environments.length} environments`);
+        } catch (e) {
+            console.error(`[DeploymentModal][Coherence:Failed] ${e.message}`);
+            toast('Failed to load environments', 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:loadEnvironments:Function]
+
+    // [DEF:handleDeploy:Function]
+    /**
+     * @purpose Trigger deployment to selected environment.
+     * @pre selectedEnv must be set.
+     * @post deploy event dispatched on success.
+     * @side_effect Triggers API call, closes modal, shows toast.
+     */
+    async function handleDeploy() {
+        if (!selectedEnv) return;
+        console.log(`[DeploymentModal][Action] Deploying to ${selectedEnv}`);
+        deploying = true;
+        try {
+            const result = await gitService.deploy(dashboardId, selectedEnv);
+            toast(result.message || 'Deployment triggered successfully', 'success');
+            dispatch('deploy');
+            show = false;
+            console.log(`[DeploymentModal][Coherence:OK] Deployment triggered`);
+        } catch (e) {
+            console.error(`[DeploymentModal][Coherence:Failed] ${e.message}`);
+            toast(e.message, 'error');
+        } finally {
+            deploying = false;
+        }
+    }
+    // [/DEF:handleDeploy:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+{#if show}
+    <div class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
+        <div class="bg-white p-6 rounded-lg shadow-xl w-96">
+            <h2 class="text-xl font-bold mb-4">Deploy Dashboard</h2>
+            
+            {#if loading}
+                <p class="text-gray-500">Loading environments...</p>
+            {:else if environments.length === 0}
+                <p class="text-red-500 mb-4">No deployment environments configured.</p>
+                <div class="flex justify-end">
+                    <button 
+                        on:click={() => show = false}
+                        class="px-4 py-2 bg-gray-200 text-gray-800 rounded hover:bg-gray-300"
+                    >
+                        Close
+                    </button>
+                </div>
+            {:else}
+                <div class="mb-6">
+                    <label class="block text-sm font-medium text-gray-700 mb-2">Select Target Environment</label>
+                    <select 
+                        bind:value={selectedEnv}
+                        class="w-full border rounded p-2 focus:ring-2 focus:ring-blue-500 outline-none bg-white"
+                    >
+                        {#each environments as env}
+                            <option value={env.id}>{env.name} ({env.superset_url})</option>
+                        {/each}
+                    </select>
+                </div>
+
+                <div class="flex justify-end space-x-3">
+                    <button 
+                        on:click={() => show = false}
+                        class="px-4 py-2 text-gray-600 hover:bg-gray-100 rounded"
+                    >
+                        Cancel
+                    </button>
+                    <button 
+                        on:click={handleDeploy}
+                        disabled={deploying || !selectedEnv}
+                        class="px-4 py-2 bg-green-600 text-white rounded hover:bg-green-700 disabled:opacity-50 flex items-center"
+                    >
+                        {#if deploying}
+                            <svg class="animate-spin -ml-1 mr-2 h-4 w-4 text-white" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
+                                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
+                                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+                            </svg>
+                            Deploying...
+                        {:else}
+                            Deploy
+                        {/if}
+                    </button>
+                </div>
+            {/if}
+        </div>
+    </div>
+{/if}
+<!-- [/SECTION] -->
+
+<!-- [/DEF:DeploymentModal:Component] -->
--- a/frontend/src/components/git/GitManager.svelte
+++ b/frontend/src/components/git/GitManager.svelte
@@ -0,0 +1,300 @@
+<!-- [DEF:GitManager:Component] -->
+<!--
+@SEMANTICS: git, manager, dashboard, version_control, initialization
+@PURPOSE:   Центральный компонент для управления Git-операциями конкретного дашборда.
+@LAYER:     Component
+@RELATION:  USES -> BranchSelector
+@RELATION:  USES -> CommitModal
+@RELATION:  USES -> CommitHistory
+@RELATION:  USES -> DeploymentModal
+@RELATION:  USES -> ConflictResolver
+@RELATION:  CALLS -> gitService
+-->
+
+<script>
+    // [SECTION: IMPORTS]
+    import { onMount } from 'svelte';
+    import { gitService } from '../../services/gitService';
+    import { addToast as toast } from '../../lib/toasts.js';
+    import { t } from '../../lib/i18n';
+    import { Button, Card, PageHeader, Select, Input } from '../../lib/ui';
+    import BranchSelector from './BranchSelector.svelte';
+    import CommitModal from './CommitModal.svelte';
+    import CommitHistory from './CommitHistory.svelte';
+    import DeploymentModal from './DeploymentModal.svelte';
+    import ConflictResolver from './ConflictResolver.svelte';
+    // [/SECTION]
+
+    // [SECTION: PROPS]
+    export let dashboardId;
+    export let dashboardTitle = "";
+    export let show = false;
+    // [/SECTION]
+
+    // [SECTION: STATE]
+    let currentBranch = 'main';
+    let showCommitModal = false;
+    let showDeployModal = false;
+    let showHistory = true;
+    let showConflicts = false;
+    let conflicts = [];
+    let loading = false;
+    let initialized = false;
+    let checkingStatus = true;
+
+    // Initialization form state
+    let configs = [];
+    let selectedConfigId = "";
+    let remoteUrl = "";
+    // [/SECTION]
+
+    // [DEF:checkStatus:Function]
+    /**
+     * @purpose Проверяет, инициализирован ли репозиторий для данного дашборда.
+     * @pre Component is mounted and has dashboardId.
+     * @post initialized state is set; configs loaded if not initialized.
+     */
+    async function checkStatus() {
+        checkingStatus = true;
+        try {
+            // If we can get branches, it means repo exists
+            await gitService.getBranches(dashboardId);
+            initialized = true;
+        } catch (e) {
+            initialized = false;
+            // Load configs if not initialized
+            configs = await gitService.getConfigs();
+            if (configs.length > 0) selectedConfigId = configs[0].id;
+        } finally {
+            checkingStatus = false;
+        }
+    }
+    // [/DEF:checkStatus:Function]
+
+    // [DEF:handleInit:Function]
+    /**
+     * @purpose Инициализирует репозиторий для дашборда.
+     * @pre selectedConfigId and remoteUrl are provided.
+     * @post Repository is created on backend; initialized set to true.
+     */
+    async function handleInit() {
+        if (!selectedConfigId || !remoteUrl) {
+            toast('Please select a Git server and provide remote URL', 'error');
+            return;
+        }
+        loading = true;
+        try {
+            await gitService.initRepository(dashboardId, selectedConfigId, remoteUrl);
+            toast('Repository initialized successfully', 'success');
+            initialized = true;
+        } catch (e) {
+            toast(e.message, 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:handleInit:Function]
+
+    // [DEF:handleSync:Function]
+    /**
+     * @purpose Синхронизирует состояние Superset с локальным Git-репозиторием.
+     * @pre Repository is initialized.
+     * @post Dashboard YAMLs are exported to Git and staged.
+     */
+    async function handleSync() {
+        loading = true;
+        try {
+            // Try to get selected environment from localStorage (set by EnvSelector)
+            const sourceEnvId = localStorage.getItem('selected_env_id');
+            await gitService.sync(dashboardId, sourceEnvId);
+            toast('Dashboard state synced to Git', 'success');
+        } catch (e) {
+            toast(e.message, 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:handleSync:Function]
+
+    // [DEF:handlePush:Function]
+    /**
+     * @purpose Pushes local commits to the remote repository.
+     * @pre Repository is initialized and has commits.
+     * @post Changes are pushed to origin.
+     */
+    async function handlePush() {
+        loading = true;
+        try {
+            await gitService.push(dashboardId);
+            toast('Changes pushed to remote', 'success');
+        } catch (e) {
+            toast(e.message, 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:handlePush:Function]
+
+    // [DEF:handlePull:Function]
+    /**
+     * @purpose Pulls changes from the remote repository.
+     * @pre Repository is initialized.
+     * @post Local branch is updated with remote changes.
+     */
+    async function handlePull() {
+        loading = true;
+        try {
+            await gitService.pull(dashboardId);
+            toast('Changes pulled from remote', 'success');
+        } catch (e) {
+            toast(e.message, 'error');
+        } finally {
+            loading = false;
+        }
+    }
+    // [/DEF:handlePull:Function]
+
+    onMount(checkStatus);
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+{#if show}
+    <div class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
+        <div class="bg-white p-6 rounded-lg shadow-2xl w-full max-w-4xl max-h-[90vh] overflow-y-auto">
+            <PageHeader title="{$t.git.management}: {dashboardTitle}">
+                <div slot="subtitle" class="text-sm text-gray-500">ID: {dashboardId}</div>
+                <div slot="actions">
+                    <button on:click={() => show = false} class="text-gray-400 hover:text-gray-600 transition-colors">
+                        <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+                        </svg>
+                    </button>
+                </div>
+            </PageHeader>
+
+            {#if checkingStatus}
+                <div class="flex justify-center py-12">
+                    <div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
+                </div>
+            {:else if !initialized}
+                <div class="max-w-md mx-auto py-8">
+                    <Card>
+                        <p class="text-sm text-gray-600 mb-6">
+                            {$t.git.not_linked}
+                        </p>
+                        
+                        <div class="space-y-6">
+                            <Select
+                                label={$t.git.server}
+                                bind:value={selectedConfigId}
+                                options={configs.map(c => ({ value: c.id, label: `${c.name} (${c.provider})` }))}
+                            />
+                            {#if configs.length === 0}
+                                <p class="text-xs text-red-500 -mt-4">No Git servers configured. Go to Settings -> Git to add one.</p>
+                            {/if}
+                            
+                            <Input
+                                label={$t.git.remote_url}
+                                bind:value={remoteUrl}
+                                placeholder="https://github.com/org/repo.git"
+                            />
+
+                            <Button
+                                on:click={handleInit}
+                                disabled={loading || configs.length === 0}
+                                isLoading={loading}
+                                class="w-full"
+                            >
+                                {$t.git.init_repo}
+                            </Button>
+                        </div>
+                    </Card>
+                </div>
+            {:else}
+                <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
+                    <!-- Left Column: Controls -->
+                    <div class="md:col-span-1 space-y-6">
+                        <section>
+                            <h3 class="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-3">{$t.git.branch}</h3>
+                            <BranchSelector {dashboardId} bind:currentBranch />
+                        </section>
+
+                        <section class="space-y-3">
+                            <h3 class="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-3">{$t.git.actions}</h3>
+                            <Button
+                                variant="secondary"
+                                on:click={handleSync}
+                                disabled={loading}
+                                class="w-full"
+                            >
+                                {$t.git.sync}
+                            </Button>
+                            <Button
+                                on:click={() => showCommitModal = true}
+                                disabled={loading}
+                                class="w-full"
+                            >
+                                {$t.git.commit}
+                            </Button>
+                            <div class="grid grid-cols-2 gap-3">
+                                <Button
+                                    variant="ghost"
+                                    on:click={handlePull}
+                                    disabled={loading}
+                                    class="border border-gray-200"
+                                >
+                                    {$t.git.pull}
+                                </Button>
+                                <Button
+                                    variant="ghost"
+                                    on:click={handlePush}
+                                    disabled={loading}
+                                    class="border border-gray-200"
+                                >
+                                    {$t.git.push}
+                                </Button>
+                            </div>
+                        </section>
+
+                        <section>
+                            <h3 class="text-sm font-semibold text-gray-400 uppercase tracking-wider mb-3">{$t.git.deployment}</h3>
+                            <Button
+                                variant="primary"
+                                on:click={() => showDeployModal = true}
+                                disabled={loading}
+                                class="w-full bg-green-600 hover:bg-green-700 focus-visible:ring-green-500"
+                            >
+                                {$t.git.deploy}
+                            </Button>
+                        </section>
+                    </div>
+
+                    <!-- Right Column: History -->
+                    <div class="md:col-span-2 border-l pl-6">
+                        <CommitHistory {dashboardId} />
+                    </div>
+                </div>
+            {/if}
+        </div>
+    </div>
+{/if}
+
+<CommitModal 
+    {dashboardId} 
+    bind:show={showCommitModal} 
+    on:commit={() => { /* Refresh history */ }}
+/>
+
+<DeploymentModal 
+    {dashboardId} 
+    bind:show={showDeployModal} 
+/>
+
+<ConflictResolver 
+    {conflicts} 
+    bind:show={showConflicts} 
+    on:resolve={() => { /* Handle resolution */ }}
+/>
+<!-- [/SECTION] -->
+
+<!-- [/DEF:GitManager:Component] -->
--- a/frontend/src/components/storage/FileList.svelte
+++ b/frontend/src/components/storage/FileList.svelte
@@ -0,0 +1,134 @@
+<!-- [DEF:FileList:Component] -->
+<!--
+@SEMANTICS: storage, files, list, table
+@PURPOSE:   Displays a table of files with metadata and actions.
+@LAYER:     Component
+@RELATION:  DEPENDS_ON -> storageService
+
+@PROPS:     files (Array) - List of StoredFile objects.
+@EVENTS:    delete (filename) - Dispatched when a file is deleted.
+-->
+
+<script lang="ts">
+  // [SECTION: IMPORTS]
+  import { createEventDispatcher } from 'svelte';
+  import { downloadFileUrl } from '../../services/storageService';
+  import { t } from '../../lib/i18n';
+  // [/SECTION: IMPORTS]
+
+  export let files = [];
+  const dispatch = createEventDispatcher();
+
+  // [DEF:isDirectory:Function]
+  /**
+   * @purpose Checks if a file object represents a directory.
+   * @param   {Object} file - The file object to check.
+   * @return  {boolean} True if it's a directory, false otherwise.
+   */
+  function isDirectory(file) {
+    return file.mime_type === 'directory';
+  }
+  // [/DEF:isDirectory:Function]
+
+  // [DEF:formatSize:Function]
+  /**
+   * @purpose Formats file size in bytes into a human-readable string.
+   * @param   {number} bytes - The size in bytes.
+   * @return  {string} Formatted size (e.g., "1.2 MB").
+   */
+  function formatSize(bytes) {
+    if (bytes === 0) return '0 B';
+    const k = 1024;
+    const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
+  }
+  // [/DEF:formatSize:Function]
+
+  // [DEF:formatDate:Function]
+  /**
+   * @purpose Formats an ISO date string into a localized readable format.
+   * @param   {string} dateStr - The date string to format.
+   * @return  {string} Localized date and time.
+   */
+  function formatDate(dateStr) {
+    return new Date(dateStr).toLocaleString();
+  }
+  // [/DEF:formatDate:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<div class="overflow-x-auto">
+  <table class="min-w-full bg-white border border-gray-200">
+    <thead class="bg-gray-50">
+      <tr>
+        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.storage.table.name}</th>
+        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.storage.table.category}</th>
+        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.storage.table.size}</th>
+        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.storage.table.created_at}</th>
+        <th class="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.storage.table.actions}</th>
+      </tr>
+    </thead>
+    <tbody class="divide-y divide-gray-200">
+      {#each files as file}
+        <tr class="hover:bg-gray-50">
+          <td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">
+            {#if isDirectory(file)}
+              <button
+                on:click={() => dispatch('navigate', file.path)}
+                class="flex items-center text-indigo-600 hover:text-indigo-900"
+              >
+                <svg class="h-5 w-5 mr-2 text-yellow-400" fill="currentColor" viewBox="0 0 20 20">
+                  <path d="M2 6a2 2 0 012-2h5l2 2h5a2 2 0 012 2v6a2 2 0 01-2 2H4a2 2 0 01-2-2V6z" />
+                </svg>
+                {file.name}
+              </button>
+            {:else}
+              <div class="flex items-center">
+                <svg class="h-5 w-5 mr-2 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 21h10a2 2 0 002-2V9.414a1 1 0 00-.293-.707l-5.414-5.414A1 1 0 0012.586 3H7a2 2 0 00-2 2v14a2 2 0 002 2z" />
+                </svg>
+                {file.name}
+              </div>
+            {/if}
+          </td>
+          <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500 capitalize">{file.category}</td>
+          <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
+            {isDirectory(file) ? '--' : formatSize(file.size)}
+          </td>
+          <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-500">{formatDate(file.created_at)}</td>
+          <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
+            {#if !isDirectory(file)}
+              <a
+                href={downloadFileUrl(file.category, file.path)}
+                download={file.name}
+                class="text-indigo-600 hover:text-indigo-900 mr-4"
+              >
+                {$t.storage.table.download}
+              </a>
+            {/if}
+            <button
+              on:click={() => dispatch('delete', { category: file.category, path: file.path, name: file.name })}
+              class="text-red-600 hover:text-red-900"
+            >
+              {$t.storage.table.delete}
+            </button>
+          </td>
+        </tr>
+      {:else}
+        <tr>
+          <td colspan="5" class="px-6 py-10 text-center text-sm text-gray-500">
+            {$t.storage.no_files}
+          </td>
+        </tr>
+      {/each}
+    </tbody>
+  </table>
+</div>
+<!-- [/SECTION: TEMPLATE] -->
+
+<style>
+  /* ... */
+</style>
+
+<!-- [/DEF:FileList:Component] -->
--- a/frontend/src/components/storage/FileUpload.svelte
+++ b/frontend/src/components/storage/FileUpload.svelte
@@ -0,0 +1,134 @@
+<!-- [DEF:FileUpload:Component] -->
+<!--
+@SEMANTICS: storage, upload, files
+@PURPOSE:   Provides a form for uploading files to a specific category.
+@LAYER:     Component
+@RELATION:  DEPENDS_ON -> storageService
+
+@PROPS:     None
+@EVENTS:    uploaded - Dispatched when a file is successfully uploaded.
+-->
+
+<script lang="ts">
+  // [SECTION: IMPORTS]
+  import { createEventDispatcher } from 'svelte';
+  import { uploadFile } from '../../services/storageService';
+  import { addToast } from '../../lib/toasts';
+  import { t } from '../../lib/i18n';
+  // [/SECTION: IMPORTS]
+
+  // [DEF:handleUpload:Function]
+  /**
+   * @purpose Handles the file upload process.
+   * @pre     A file must be selected in the file input.
+   * @post    The file is uploaded to the server and a success toast is shown.
+   */
+  const dispatch = createEventDispatcher();
+  let fileInput;
+  export let category = 'backups';
+  export let path = '';
+  let isUploading = false;
+  let dragOver = false;
+
+  async function handleUpload() {
+    const file = fileInput.files[0];
+    if (!file) return;
+
+    isUploading = true;
+    try {
+      // path is relative to root, but upload endpoint expects path within category
+      // FileList.path is like "backup/folder", we need just "folder"
+      const subpath = path.startsWith(category)
+        ? path.substring(category.length).replace(/^\/+/, '')
+        : path;
+
+      await uploadFile(file, category, subpath);
+      addToast($t.storage.messages.upload_success.replace('{name}', file.name), 'success');
+      fileInput.value = '';
+      dispatch('uploaded');
+    } catch (error) {
+      addToast($t.storage.messages.upload_failed.replace('{error}', error.message), 'error');
+    } finally {
+      isUploading = false;
+    }
+  }
+  // [/DEF:handleUpload:Function]
+
+  // [DEF:handleDrop:Function]
+  /**
+   * @purpose Handles the file drop event for drag-and-drop.
+   * @param   {DragEvent} event - The drop event.
+   */
+  function handleDrop(event) {
+    event.preventDefault();
+    dragOver = false;
+    const files = event.dataTransfer.files;
+    if (files.length > 0) {
+      fileInput.files = files;
+      handleUpload();
+    }
+  }
+  // [/DEF:handleDrop:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<div class="bg-white p-6 rounded-lg border border-gray-200 shadow-sm">
+  <h2 class="text-lg font-semibold mb-4">{$t.storage.upload_title}</h2>
+  
+  <div class="space-y-4">
+    <div>
+      <label class="block text-sm font-medium text-gray-700 mb-1">{$t.storage.target_category}</label>
+      <select
+        bind:value={category}
+        class="block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
+      >
+        <option value="backups">{$t.storage.backups}</option>
+        <option value="repositorys">{$t.storage.repositories}</option>
+      </select>
+    </div>
+
+    <div 
+      class="mt-1 flex justify-center px-6 pt-5 pb-6 border-2 border-dashed rounded-md transition-colors
+        {dragOver ? 'border-indigo-500 bg-indigo-50' : 'border-gray-300'}"
+      on:dragover|preventDefault={() => dragOver = true}
+      on:dragleave|preventDefault={() => dragOver = false}
+      on:drop|preventDefault={handleDrop}
+    >
+      <div class="space-y-1 text-center">
+        <svg class="mx-auto h-12 w-12 text-gray-400" stroke="currentColor" fill="none" viewBox="0 0 48 48" aria-hidden="true">
+          <path d="M28 8H12a4 4 0 00-4 4v20m32-12v8m0 0v8a4 4 0 01-4 4H12a4 4 0 01-4-4v-4m32-4l-3.172-3.172a4 4 0 00-5.656 0L28 28M8 32l9.172-9.172a4 4 0 015.656 0L28 28m0 0l4 4m4-24h8m-4-4v8m-12 4h.02" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
+        </svg>
+        <div class="flex text-sm text-gray-600">
+          <label for="file-upload" class="relative cursor-pointer bg-white rounded-md font-medium text-indigo-600 hover:text-indigo-500 focus-within:outline-none focus-within:ring-2 focus-within:ring-offset-2 focus-within:ring-indigo-500">
+            <span>{$t.storage.upload_button}</span>
+            <input
+              id="file-upload" 
+              name="file-upload" 
+              type="file" 
+              class="sr-only" 
+              bind:this={fileInput}
+              on:change={handleUpload}
+              disabled={isUploading}
+            >
+          </label>
+          <p class="pl-1">{$t.storage.drag_drop}</p>
+        </div>
+        <p class="text-xs text-gray-500">{$t.storage.supported_formats}</p>
+      </div>
+    </div>
+
+    {#if isUploading}
+      <div class="flex items-center justify-center space-x-2 text-indigo-600">
+        <div class="animate-spin rounded-full h-4 w-4 border-b-2 border-indigo-600"></div>
+        <span class="text-sm font-medium">{$t.storage.uploading}</span>
+      </div>
+    {/if}
+  </div>
+</div>
+<!-- [/SECTION: TEMPLATE] -->
+
+<style>
+  /* ... */
+</style>
+
+<!-- [/DEF:FileUpload:Component] -->
--- a/frontend/src/components/tools/ConnectionForm.svelte
+++ b/frontend/src/components/tools/ConnectionForm.svelte
@@ -10,6 +10,8 @@
    import { createEventDispatcher } from 'svelte';
    import { createConnection } from '../../services/connectionService.js';
    import { addToast } from '../../lib/toasts.js';
+    import { t } from '../../lib/i18n';
+    import { Button, Input, Card } from '../../lib/ui';
    // [/SECTION]

    const dispatch = createEventDispatcher();
@@ -17,7 +19,7 @@
    let name = '';
    let type = 'postgres';
    let host = '';
-    let port = 5432;
+    let port = "5432";
    let database = '';
    let username = '';
    let password = '';
@@ -36,7 +38,7 @@
        isSubmitting = true;
        try {
            const newConnection = await createConnection({
-                name, type, host, port, database, username, password
+                name, type, host, port: Number(port), database, username, password
            });
            addToast('Connection created successfully', 'success');
            dispatch('success', newConnection);
@@ -57,7 +59,7 @@
    function resetForm() {
        name = '';
        host = '';
-        port = 5432;
+        port = "5432";
        database = '';
        username = '';
        password = '';
@@ -66,43 +68,28 @@
 </script>

 <!-- [SECTION: TEMPLATE] -->
-<div class="bg-white p-6 rounded-lg shadow-sm border border-gray-200">
-    <h3 class="text-lg font-medium text-gray-900 mb-4">Add New Connection</h3>
-    <form on:submit|preventDefault={handleSubmit} class="space-y-4">
-        <div>
-            <label for="conn-name" class="block text-sm font-medium text-gray-700">Connection Name</label>
-            <input type="text" id="conn-name" bind:value={name} placeholder="e.g. Production DWH" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm" />
-        </div>
-        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div>
-                <label for="conn-host" class="block text-sm font-medium text-gray-700">Host</label>
-                <input type="text" id="conn-host" bind:value={host} placeholder="10.0.0.1" class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm" />
-            </div>
-            <div>
-                <label for="conn-port" class="block text-sm font-medium text-gray-700">Port</label>
-                <input type="number" id="conn-port" bind:value={port} class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm" />
-            </div>
-        </div>
-        <div>
-            <label for="conn-db" class="block text-sm font-medium text-gray-700">Database Name</label>
-            <input type="text" id="conn-db" bind:value={database} class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm" />
-        </div>
-        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div>
-                <label for="conn-user" class="block text-sm font-medium text-gray-700">Username</label>
-                <input type="text" id="conn-user" bind:value={username} class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm" />
-            </div>
-            <div>
-                <label for="conn-pass" class="block text-sm font-medium text-gray-700">Password</label>
-                <input type="password" id="conn-pass" bind:value={password} class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm" />
+<Card title={$t.connections?.add_new || "Add New Connection"}>
+    <form on:submit|preventDefault={handleSubmit} class="space-y-6">
+        <Input label={$t.connections?.name || "Connection Name"} bind:value={name} placeholder="e.g. Production DWH" />
+        
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+            <Input label={$t.connections?.host || "Host"} bind:value={host} placeholder="10.0.0.1" />
+            <Input label={$t.connections?.port || "Port"} type="number" bind:value={port} />
        </div>
+
+        <Input label={$t.connections?.db_name || "Database Name"} bind:value={database} />
+
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+            <Input label={$t.connections?.user || "Username"} bind:value={username} />
+            <Input label={$t.connections?.pass || "Password"} type="password" bind:value={password} />
        </div>
+
        <div class="flex justify-end pt-2">
-            <button type="submit" disabled={isSubmitting} class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 disabled:opacity-50">
-                {isSubmitting ? 'Creating...' : 'Create Connection'}
-            </button>
+            <Button type="submit" disabled={isSubmitting} isLoading={isSubmitting}>
+                {$t.connections?.create || "Create Connection"}
+            </Button>
        </div>
    </form>
-</div>
+</Card>
 <!-- [/SECTION] -->
 <!-- [/DEF:ConnectionForm:Component] -->
--- a/frontend/src/components/tools/ConnectionList.svelte
+++ b/frontend/src/components/tools/ConnectionList.svelte
@@ -10,6 +10,8 @@
    import { onMount, createEventDispatcher } from 'svelte';
    import { getConnections, deleteConnection } from '../../services/connectionService.js';
    import { addToast } from '../../lib/toasts.js';
+    import { t } from '../../lib/i18n';
+    import { Button, Card } from '../../lib/ui';
    // [/SECTION]

    const dispatch = createEventDispatcher();
@@ -57,32 +59,30 @@
 </script>

 <!-- [SECTION: TEMPLATE] -->
-<div class="bg-white shadow overflow-hidden sm:rounded-md border border-gray-200">
-    <div class="px-4 py-5 sm:px-6 bg-gray-50 border-b border-gray-200">
-        <h3 class="text-lg leading-6 font-medium text-gray-900">Saved Connections</h3>
-    </div>
-    <ul class="divide-y divide-gray-200">
+<Card title={$t.connections?.saved || "Saved Connections"} padding="none">
+    <ul class="divide-y divide-gray-100">
        {#if isLoading}
-            <li class="p-4 text-center text-gray-500">Loading...</li>
+            <li class="p-6 text-center text-gray-500">{$t.common.loading}</li>
        {:else if connections.length === 0}
-            <li class="p-8 text-center text-gray-500 italic">No connections saved yet.</li>
+            <li class="p-12 text-center text-gray-500 italic">{$t.connections?.no_saved || "No connections saved yet."}</li>
        {:else}
            {#each connections as conn}
-                <li class="p-4 flex items-center justify-between hover:bg-gray-50">
+                <li class="p-6 flex items-center justify-between hover:bg-gray-50 transition-colors">
                    <div>
-                        <div class="text-sm font-medium text-indigo-600 truncate">{conn.name}</div>
-                        <div class="text-xs text-gray-500">{conn.type}://{conn.username}@{conn.host}:{conn.port}/{conn.database}</div>
+                        <div class="text-sm font-medium text-blue-600 truncate">{conn.name}</div>
+                        <div class="text-xs text-gray-400 mt-1 font-mono">{conn.type}://{conn.username}@{conn.host}:{conn.port}/{conn.database}</div>
                    </div>
-                    <button
+                    <Button
+                        variant="danger"
+                        size="sm"
                        on:click={() => handleDelete(conn.id)}
-                        class="ml-2 inline-flex items-center px-2 py-1 border border-transparent text-xs font-medium rounded text-red-700 bg-red-100 hover:bg-red-200 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500"
                    >
-                        Delete
-                    </button>
+                        {$t.connections?.delete || "Delete"}
+                    </Button>
                </li>
            {/each}
        {/if}
    </ul>
-</div>
+</Card>
 <!-- [/SECTION] -->
 <!-- [/DEF:ConnectionList:Component] -->
--- a/frontend/src/lib/api.js
+++ b/frontend/src/lib/api.js
@@ -123,6 +123,8 @@ export const api = {
    deleteEnvironment: (id) => requestApi(`/settings/environments/${id}`, 'DELETE'),
    testEnvironmentConnection: (id) => postApi(`/settings/environments/${id}/test`, {}),
    updateEnvironmentSchedule: (id, schedule) => requestApi(`/environments/${id}/schedule`, 'PUT', schedule),
+    getStorageSettings: () => fetchApi('/settings/storage'),
+    updateStorageSettings: (storage) => requestApi('/settings/storage', 'PUT', storage),
    getEnvironmentsList: () => fetchApi('/environments'),
 };
 // [/DEF:api:Data]
@@ -143,3 +145,5 @@ export const deleteEnvironment = api.deleteEnvironment;
 export const testEnvironmentConnection = api.testEnvironmentConnection;
 export const updateEnvironmentSchedule = api.updateEnvironmentSchedule;
 export const getEnvironmentsList = api.getEnvironmentsList;
+export const getStorageSettings = api.getStorageSettings;
+export const updateStorageSettings = api.updateStorageSettings;
--- a/frontend/src/main.js
+++ b/frontend/src/main.js
@@ -1,18 +0,0 @@
-// [DEF:main:Module]
-// @SEMANTICS: entrypoint, svelte, init
-// @PURPOSE: Entry point for the Svelte application.
-// @LAYER: UI-Entry
-
-import './app.css'
-import App from './App.svelte'
-
-// [DEF:app_instance:Data]
-// @PURPOSE: Initialized Svelte app instance.
-const app = new App({
-  target: document.getElementById('app'),
-  props: {}
-})
-// [/DEF:app_instance:Data]
-
-export default app
-// [/DEF:main:Module]
--- a/frontend/src/pages/Settings.svelte
+++ b/frontend/src/pages/Settings.svelte
@@ -20,7 +20,6 @@
    let settings = {
        environments: [],
        settings: {
-            backup_path: '',
            default_environment_id: null,
            logging: {
                level: 'INFO',
@@ -204,12 +203,6 @@

    <section class="mb-8 bg-white p-6 rounded shadow">
        <h2 class="text-xl font-semibold mb-4">Global Settings</h2>
-        <div class="grid grid-cols-1 gap-4">
-            <div>
-                <label for="backup_path" class="block text-sm font-medium text-gray-700">Backup Storage Path</label>
-                <input type="text" id="backup_path" bind:value={settings.settings.backup_path} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-            </div>
-        </div>

        <h3 class="text-lg font-medium mb-4 mt-6">Logging Configuration</h3>
        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
--- a/frontend/src/routes/+page.svelte
+++ b/frontend/src/routes/+page.svelte
@@ -5,6 +5,8 @@
    import { api } from '../lib/api.js';
    import { get } from 'svelte/store';
    import { goto } from '$app/navigation';
+    import { t } from '$lib/i18n';
+    import { Button, Card, PageHeader } from '$lib/ui';

    /** @type {import('./$types').PageData} */
    export let data;
@@ -23,6 +25,8 @@
        console.log(`[Dashboard][Action] Selecting plugin: ${plugin.id}`);
        if (plugin.id === 'superset-migration') {
            goto('/migration');
+        } else if (plugin.id === 'git-integration') {
+            goto('/git');
        } else {
            selectedPlugin.set(plugin);
        }
@@ -53,34 +57,43 @@
 <div class="container mx-auto p-4">
    {#if $selectedTask}
        <TaskRunner />
-        <button on:click={() => selectedTask.set(null)} class="mt-4 bg-blue-500 text-white p-2 rounded">
-            Back to Task List
-        </button>
+        <div class="mt-4">
+            <Button variant="primary" on:click={() => selectedTask.set(null)}>
+                {$t.common.cancel}
+            </Button>
+        </div>
    {:else if $selectedPlugin}
-        <h2 class="text-2xl font-bold mb-4">{$selectedPlugin.name}</h2>
+        <PageHeader title={$selectedPlugin.name} />
+        <Card>
            <DynamicForm schema={$selectedPlugin.schema} on:submit={handleFormSubmit} />
-        <button on:click={() => selectedPlugin.set(null)} class="mt-4 bg-gray-500 text-white p-2 rounded">
-            Back to Dashboard
-        </button>
+        </Card>
+        <div class="mt-4">
+            <Button variant="secondary" on:click={() => selectedPlugin.set(null)}>
+                {$t.common.cancel}
+            </Button>
+        </div>
    {:else}
-        <h1 class="text-2xl font-bold mb-4">Available Tools</h1>
+        <PageHeader title={$t.nav.dashboard} />
+        
        {#if data.error}
            <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded mb-4">
                {data.error}
            </div>
        {/if}
-        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+
+        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
            {#each data.plugins as plugin}
                <div
-                    class="border rounded-lg p-4 cursor-pointer hover:bg-gray-100"
                    on:click={() => selectPlugin(plugin)}
                    role="button"
                    tabindex="0"
                    on:keydown={(e) => e.key === 'Enter' && selectPlugin(plugin)}
+                    class="cursor-pointer transition-transform hover:scale-[1.02]"
                >
-                    <h2 class="text-xl font-semibold">{plugin.name}</h2>
-                    <p class="text-gray-600">{plugin.description}</p>
-                    <span class="text-sm text-gray-400">v{plugin.version}</span>
+                    <Card title={plugin.name}>
+                        <p class="text-gray-600 mb-4">{plugin.description}</p>
+                        <span class="text-xs font-mono text-gray-400 bg-gray-50 px-2 py-1 rounded">v{plugin.version}</span>
+                    </Card>
                </div>
            {/each}
        </div>
--- a/frontend/src/routes/git/+page.svelte
+++ b/frontend/src/routes/git/+page.svelte
@@ -0,0 +1,96 @@
+<!-- [DEF:GitDashboardPage:Component] -->
+<!--
+@PURPOSE:   Dashboard management page for Git integration.
+@LAYER:     Page
+@SEMANTICS: git, dashboard, management, ui
+-->
+<script lang="ts">
+  import { onMount } from 'svelte';
+  import DashboardGrid from '../../components/DashboardGrid.svelte';
+  import { addToast as toast } from '../../lib/toasts.js';
+  import type { DashboardMetadata } from '../../types/dashboard';
+  import { t } from '$lib/i18n';
+  import { Button, Card, PageHeader, Select } from '$lib/ui';
+
+  let environments: any[] = [];
+  let selectedEnvId = "";
+  let dashboards: DashboardMetadata[] = [];
+  let loading = true;
+  let fetchingDashboards = false;
+
+  // [DEF:fetchEnvironments:Function]
+  // @PURPOSE: Fetches the list of deployment environments from the API.
+  // @PRE: Component is mounted.
+  // @POST: `environments` array is populated with data from /api/environments.
+  async function fetchEnvironments() {
+    try {
+      const response = await fetch('/api/environments');
+      if (!response.ok) throw new Error('Failed to fetch environments');
+      environments = await response.json();
+      if (environments.length > 0) {
+        selectedEnvId = environments[0].id;
+      }
+    } catch (e) {
+      toast(e.message, 'error');
+    } finally {
+      loading = false;
+    }
+  }
+  // [/DEF:fetchEnvironments:Function]
+
+  // [DEF:fetchDashboards:Function]
+  // @PURPOSE: Fetches dashboards for a specific environment.
+  // @PRE: `envId` is a valid environment ID.
+  // @POST: `dashboards` array is updated with results from the environment.
+  async function fetchDashboards(envId: string) {
+    if (!envId) return;
+    fetchingDashboards = true;
+    try {
+      const response = await fetch(`/api/environments/${envId}/dashboards`);
+      if (!response.ok) throw new Error('Failed to fetch dashboards');
+      dashboards = await response.json();
+    } catch (e) {
+      toast(e.message, 'error');
+      dashboards = [];
+    } finally {
+      fetchingDashboards = false;
+    }
+  }
+  // [/DEF:fetchDashboards:Function]
+
+  onMount(fetchEnvironments);
+
+  $: if (selectedEnvId) {
+    fetchDashboards(selectedEnvId);
+    localStorage.setItem('selected_env_id', selectedEnvId);
+  }
+</script>
+
+<div class="max-w-6xl mx-auto p-6">
+  <PageHeader title="Git Dashboard Management">
+    <div slot="actions" class="flex items-center space-x-4">
+      <Select
+        label="Environment"
+        bind:value={selectedEnvId}
+        options={environments.map(e => ({ value: e.id, label: e.name }))}
+      />
+    </div>
+  </PageHeader>
+
+  {#if loading}
+    <div class="flex justify-center py-12">
+      <div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
+    </div>
+  {:else}
+    <Card title="Select Dashboard to Manage">
+      {#if fetchingDashboards}
+        <p class="text-gray-500">Loading dashboards...</p>
+      {:else if dashboards.length > 0}
+        <DashboardGrid {dashboards} />
+      {:else}
+        <p class="text-gray-500 italic">No dashboards found in this environment.</p>
+      {/if}
+    </Card>
+  {/if}
+</div>
+<!-- [/DEF:GitDashboardPage:Component] -->
--- a/frontend/src/routes/migration/+page.svelte
+++ b/frontend/src/routes/migration/+page.svelte
@@ -21,6 +21,8 @@
  import { selectedTask } from '../../lib/stores.js';
  import { resumeTask } from '../../services/taskService.js';
  import type { DashboardMetadata, DashboardSelection } from '../../types/dashboard';
+  import { t } from '$lib/i18n';
+  import { Button, Card, PageHeader } from '$lib/ui';
  // [/SECTION]

  // [SECTION: STATE]
@@ -294,19 +296,18 @@

 <!-- [SECTION: TEMPLATE] -->
 <div class="max-w-4xl mx-auto p-6">
-  <h1 class="text-2xl font-bold mb-6">Migration Dashboard</h1>
+  <PageHeader title={$t.nav.migration} />
  
  <TaskHistory on:viewLogs={handleViewLogs} />

  {#if $selectedTask}
    <div class="mt-6">
      <TaskRunner />
-      <button
-        on:click={() => selectedTask.set(null)}
-        class="mt-4 inline-flex items-center px-4 py-2 border border-gray-300 shadow-sm text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500"
-      >
-        Back to New Migration
-      </button>
+      <div class="mt-4">
+        <Button variant="secondary" on:click={() => selectedTask.set(null)}>
+          {$t.common.cancel}
+        </Button>
+      </div>
    </div>
  {:else}
    {#if loading}
@@ -383,13 +384,12 @@
      </div>
    {/if}

-    <button
+    <Button
      on:click={startMigration}
      disabled={!sourceEnvId || !targetEnvId || sourceEnvId === targetEnvId || selectedDashboardIds.length === 0}
-      class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 disabled:bg-gray-400"
    >
      Start Migration
-    </button>
+    </Button>
  {/if}
 </div>

--- a/frontend/src/routes/migration/mappings/+page.svelte
+++ b/frontend/src/routes/migration/mappings/+page.svelte
@@ -14,6 +14,8 @@
  import { onMount } from 'svelte';
  import EnvSelector from '../../../components/EnvSelector.svelte';
  import MappingTable from '../../../components/MappingTable.svelte';
+  import { t } from '$lib/i18n';
+  import { Button, PageHeader } from '$lib/ui';
  // [/SECTION]

  // [SECTION: STATE]
@@ -128,7 +130,7 @@

 <!-- [SECTION: TEMPLATE] -->
 <div class="max-w-6xl mx-auto p-6">
-  <h1 class="text-2xl font-bold mb-6">Database Mapping Management</h1>
+  <PageHeader title="Database Mapping Management" />

  {#if loading}
    <p>Loading environments...</p>
@@ -149,13 +151,13 @@
    </div>

    <div class="mb-8">
-      <button
+      <Button
        on:click={fetchDatabases}
        disabled={!sourceEnvId || !targetEnvId || sourceEnvId === targetEnvId || fetchingDbs}
-        class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md shadow-sm text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 disabled:bg-gray-400"
+        isLoading={fetchingDbs}
      >
-        {fetchingDbs ? 'Fetching...' : 'Fetch Databases & Suggestions'}
-      </button>
+        Fetch Databases & Suggestions
+      </Button>
    </div>

    {#if error}
--- a/frontend/src/routes/settings/+page.svelte
+++ b/frontend/src/routes/settings/+page.svelte
@@ -1,7 +1,9 @@
 <script>
    import { onMount } from 'svelte';
-    import { updateGlobalSettings, addEnvironment, updateEnvironment, deleteEnvironment, testEnvironmentConnection } from '../../lib/api';
+    import { updateGlobalSettings, addEnvironment, updateEnvironment, deleteEnvironment, testEnvironmentConnection, updateStorageSettings } from '../../lib/api';
    import { addToast } from '../../lib/toasts';
+    import { t } from '$lib/i18n';
+    import { Button, Input, Card, PageHeader } from '$lib/ui';

    /** @type {import('./$types').PageData} */
    export let data;
@@ -39,6 +41,24 @@
    }
    // [/DEF:handleSaveGlobal:Function]

+    // [DEF:handleSaveStorage:Function]
+    /* @PURPOSE: Saves storage-specific settings.
+       @PRE: settings.settings.storage must contain valid configuration.
+       @POST: Storage settings are updated via API.
+    */
+    async function handleSaveStorage() {
+        try {
+            console.log("[Settings.handleSaveStorage][Action] Saving storage settings.");
+            await updateStorageSettings(settings.settings.storage);
+            addToast('Storage settings saved', 'success');
+            console.log("[Settings.handleSaveStorage][Coherence:OK] Storage settings saved.");
+        } catch (error) {
+            console.error("[Settings.handleSaveStorage][Coherence:Failed] Failed to save storage settings:", error);
+            addToast(error.message || 'Failed to save storage settings', 'error');
+        }
+    }
+    // [/DEF:handleSaveStorage:Function]
+
    // [DEF:handleAddOrUpdateEnv:Function]
    /* @PURPOSE: Adds a new environment or updates an existing one.
       @PRE: newEnv must contain valid environment details.
@@ -142,7 +162,7 @@
 </script>

 <div class="container mx-auto p-4">
-    <h1 class="text-2xl font-bold mb-6">Settings</h1>
+    <PageHeader title={$t.settings.title} />

    {#if data.error}
        <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded mb-4">
@@ -150,26 +170,50 @@
        </div>
    {/if}

-    <section class="mb-8 bg-white p-6 rounded shadow">
-        <h2 class="text-xl font-semibold mb-4">Global Settings</h2>
-        <div class="grid grid-cols-1 gap-4">
-            <div>
-                <label for="backup_path" class="block text-sm font-medium text-gray-700">Backup Storage Path</label>
-                <input type="text" id="backup_path" bind:value={settings.settings.backup_path} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-            </div>
-            <button on:click={handleSaveGlobal} class="bg-blue-500 text-white px-4 py-2 rounded hover:bg-blue-600 w-max">
-                Save Global Settings
-            </button>
-        </div>
-    </section>

-    <section class="mb-8 bg-white p-6 rounded shadow">
-        <h2 class="text-xl font-semibold mb-4">Superset Environments</h2>
+    <div class="mb-8">
+        <Card title={$t.settings?.storage_title || "File Storage Configuration"}>
+            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+                <div class="md:col-span-2">
+                    <Input
+                        label={$t.settings?.storage_root || "Storage Root Path"}
+                        bind:value={settings.settings.storage.root_path}
+                    />
+                </div>
+                <Input
+                    label={$t.settings?.storage_backup_pattern || "Backup Directory Pattern"}
+                    bind:value={settings.settings.storage.backup_structure_pattern}
+                />
+                <Input
+                    label={$t.settings?.storage_repo_pattern || "Repository Directory Pattern"}
+                    bind:value={settings.settings.storage.repo_structure_pattern}
+                />
+                <Input
+                    label={$t.settings?.storage_filename_pattern || "Filename Pattern"}
+                    bind:value={settings.settings.storage.filename_pattern}
+                />
+                <div class="bg-gray-50 p-4 rounded border border-gray-200">
+                    <span class="block text-xs font-semibold text-gray-500 uppercase mb-2">{$t.settings?.storage_preview || "Path Preview"}</span>
+                    <code class="text-sm text-indigo-600">
+                        {settings.settings.storage.root_path}/backups/sample_backup.zip
+                    </code>
+                </div>
+            </div>
+            <div class="mt-6">
+                <Button on:click={handleSaveStorage}>
+                    {$t.common.save}
+                </Button>
+            </div>
+        </Card>
+    </div>
+
+    <section class="mb-8">
+        <Card title={$t.settings?.env_title || "Superset Environments"}>

    {#if settings.environments.length === 0}
        <div class="mb-4 p-4 bg-yellow-100 border-l-4 border-yellow-500 text-yellow-700">
            <p class="font-bold">Warning</p>
-                <p>No Superset environments configured. You must add at least one environment to perform backups or migrations.</p>
+            <p>{$t.settings?.env_warning || "No Superset environments configured."}</p>
        </div>
    {/if}
        
@@ -177,11 +221,11 @@
            <table class="min-w-full divide-y divide-gray-200">
                <thead class="bg-gray-50">
                    <tr>
-                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Name</th>
+                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.connections?.name || "Name"}</th>
                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">URL</th>
-                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Username</th>
+                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.connections?.user || "Username"}</th>
                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Default</th>
-                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
+                        <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">{$t.git?.actions || "Actions"}</th>
                    </tr>
                </thead>
                <tbody class="bg-white divide-y divide-gray-200">
@@ -192,9 +236,9 @@
                            <td class="px-6 py-4 whitespace-nowrap">{env.username}</td>
                            <td class="px-6 py-4 whitespace-nowrap">{env.is_default ? 'Yes' : 'No'}</td>
                            <td class="px-6 py-4 whitespace-nowrap">
-                                <button on:click={() => handleTestEnv(env.id)} class="text-green-600 hover:text-green-900 mr-4">Test</button>
-                                <button on:click={() => editEnv(env)} class="text-indigo-600 hover:text-indigo-900 mr-4">Edit</button>
-                                <button on:click={() => handleDeleteEnv(env.id)} class="text-red-600 hover:text-red-900">Delete</button>
+                                <button on:click={() => handleTestEnv(env.id)} class="text-green-600 hover:text-green-900 mr-4">{$t.settings?.env_test || "Test"}</button>
+                                <button on:click={() => editEnv(env)} class="text-indigo-600 hover:text-indigo-900 mr-4">{$t.common.edit}</button>
+                                <button on:click={() => handleDeleteEnv(env.id)} class="text-red-600 hover:text-red-900">{$t.settings?.env_delete || "Delete"}</button>
                            </td>
                        </tr>
                    {/each}
@@ -202,44 +246,30 @@
            </table>
        </div>

-        <div class="bg-gray-50 p-4 rounded">
-            <h3 class="text-lg font-medium mb-4">{editingEnvId ? 'Edit' : 'Add'} Environment</h3>
-            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-                <div>
-                    <label for="env_id" class="block text-sm font-medium text-gray-700">ID</label>
-                    <input type="text" id="env_id" bind:value={newEnv.id} disabled={!!editingEnvId} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-                </div>
-                <div>
-                    <label for="env_name" class="block text-sm font-medium text-gray-700">Name</label>
-                    <input type="text" id="env_name" bind:value={newEnv.name} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-                </div>
-                <div>
-                    <label for="env_url" class="block text-sm font-medium text-gray-700">URL</label>
-                    <input type="text" id="env_url" bind:value={newEnv.url} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-                </div>
-                <div>
-                    <label for="env_user" class="block text-sm font-medium text-gray-700">Username</label>
-                    <input type="text" id="env_user" bind:value={newEnv.username} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-                </div>
-                <div>
-                    <label for="env_pass" class="block text-sm font-medium text-gray-700">Password</label>
-                    <input type="password" id="env_pass" bind:value={newEnv.password} class="mt-1 block w-full border border-gray-300 rounded-md shadow-sm p-2" />
-                </div>
-                <div class="flex items-center">
-                    <input type="checkbox" id="env_default" bind:checked={newEnv.is_default} class="h-4 w-4 text-blue-600 border-gray-300 rounded" />
-                    <label for="env_default" class="ml-2 block text-sm text-gray-900">Default Environment</label>
+        <div class="mt-8 bg-gray-50 p-6 rounded-lg border border-gray-100">
+            <h3 class="text-lg font-medium mb-6">{editingEnvId ? ($t.settings?.env_edit || "Edit Environment") : ($t.settings?.env_add || "Add Environment")}</h3>
+            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
+                <Input label="ID" bind:value={newEnv.id} disabled={!!editingEnvId} />
+                <Input label={$t.connections?.name || "Name"} bind:value={newEnv.name} />
+                <Input label="URL" bind:value={newEnv.url} />
+                <Input label={$t.connections?.user || "Username"} bind:value={newEnv.username} />
+                <Input label={$t.connections?.pass || "Password"} type="password" bind:value={newEnv.password} />
+                <div class="flex items-center gap-2 h-10 mt-auto">
+                    <input type="checkbox" id="env_default" bind:checked={newEnv.is_default} class="h-4 w-4 text-blue-600 border-gray-300 rounded focus:ring-blue-500" />
+                    <label for="env_default" class="text-sm font-medium text-gray-700">{$t.settings?.env_default || "Default Environment"}</label>
                </div>
            </div>
-            <div class="mt-4 flex gap-2">
-                <button on:click={handleAddOrUpdateEnv} class="bg-green-500 text-white px-4 py-2 rounded hover:bg-green-600">
-                    {editingEnvId ? 'Update' : 'Add'} Environment
-                </button>
+            <div class="mt-8 flex gap-3">
+                <Button on:click={handleAddOrUpdateEnv}>
+                    {editingEnvId ? $t.common.save : ($t.settings?.env_add || "Add Environment")}
+                </Button>
                {#if editingEnvId}
-                    <button on:click={resetEnvForm} class="bg-gray-500 text-white px-4 py-2 rounded hover:bg-gray-600">
-                        Cancel
-                    </button>
+                    <Button variant="secondary" on:click={resetEnvForm}>
+                        {$t.common.cancel}
+                    </Button>
                {/if}
            </div>
        </div>
+        </Card>
    </section>
 </div>
--- a/frontend/src/routes/settings/+page.ts
+++ b/frontend/src/routes/settings/+page.ts
@@ -18,7 +18,6 @@ export async function load() {
            settings: {
                environments: [],
                settings: {
-                    backup_path: '',
                    default_environment_id: null
                }
            },
--- a/frontend/src/routes/settings/environments/+page.svelte
+++ b/frontend/src/routes/settings/environments/+page.svelte
@@ -0,0 +1,40 @@
+<script>
+    import { onMount } from 'svelte';
+    import { gitService } from '../../../services/gitService';
+    import { addToast as toast } from '../../../lib/toasts.js';
+
+    let environments = [];
+
+    onMount(async () => {
+        try {
+            environments = await gitService.getEnvironments();
+        } catch (e) {
+            toast(e.message, 'error');
+        }
+    });
+</script>
+
+<div class="p-6">
+    <h1 class="text-2xl font-bold mb-6">Deployment Environments</h1>
+    
+    <div class="bg-white p-6 rounded shadow">
+        <h2 class="text-xl font-semibold mb-4">Target Environments</h2>
+        {#if environments.length === 0}
+            <p class="text-gray-500">No deployment environments configured.</p>
+        {:else}
+            <ul class="divide-y">
+                {#each environments as env}
+                    <li class="py-3 flex justify-between items-center">
+                        <div>
+                            <span class="font-medium">{env.name}</span>
+                            <div class="text-xs text-gray-400">{env.superset_url}</div>
+                        </div>
+                        <span class="px-2 py-1 text-xs rounded {env.is_active ? 'bg-green-100 text-green-800' : 'bg-gray-100 text-gray-800'}">
+                            {env.is_active ? 'Active' : 'Inactive'}
+                        </span>
+                    </li>
+                {/each}
+            </ul>
+        {/if}
+    </div>
+</div>
--- a/frontend/src/routes/settings/git/+page.svelte
+++ b/frontend/src/routes/settings/git/+page.svelte
@@ -0,0 +1,182 @@
+<!-- [DEF:GitSettingsPage:Component] -->
+<!--
+@SEMANTICS: git, settings, configuration, integration
+@PURPOSE:   Manage Git server configurations for dashboard versioning.
+@LAYER:     Page
+@RELATION:  USES -> gitService
+@RELATION:  USES -> Button, Input, Card, PageHeader, Select
+
+@INVARIANT: All configurations must be validated via connection test.
+-->
+
+<script lang="ts">
+    // [SECTION: IMPORTS]
+    import { onMount } from 'svelte';
+    import { gitService } from '../../../services/gitService';
+    import { addToast as toast } from '../../../lib/toasts.js';
+    import { t } from '$lib/i18n';
+    import { Button, Input, Card, PageHeader, Select } from '$lib/ui';
+    // [/SECTION: IMPORTS]
+
+    // [SECTION: STATE]
+    let configs = [];
+    let newConfig = {
+        name: '',
+        provider: 'GITHUB',
+        url: 'https://github.com',
+        pat: '',
+        default_repository: ''
+    };
+    let testing = false;
+    // [/SECTION: STATE]
+
+    // [DEF:loadConfigs:Function]
+    /**
+     * @purpose Fetches existing git configurations.
+     * @pre Component is mounted.
+     * @post configs state is populated.
+     */
+    async function loadConfigs() {
+        try {
+            configs = await gitService.getConfigs();
+        } catch (e) {
+            toast(e.message, 'error');
+        }
+    }
+    // [/DEF:loadConfigs:Function]
+
+    onMount(loadConfigs);
+
+    // [DEF:handleTest:Function]
+    /**
+     * @purpose Tests connection to a git server with current form data.
+     * @pre newConfig contains valid provider, url, and pat.
+     * @post testing state is managed; toast shown with result.
+     */
+    async function handleTest() {
+        testing = true;
+        try {
+            const result = await gitService.testConnection(newConfig);
+            if (result.status === 'success') {
+                toast('Connection successful', 'success');
+            } else {
+                toast(result.message || 'Connection failed', 'error');
+            }
+        } catch (e) {
+            toast('Connection failed', 'error');
+        } finally {
+            testing = false;
+        }
+    }
+    // [/DEF:handleTest:Function]
+
+    // [DEF:handleSave:Function]
+    /**
+     * @purpose Saves a new git configuration.
+     * @pre newConfig is valid and tested.
+     * @post New config is saved to DB and added to configs list.
+     */
+    async function handleSave() {
+        try {
+            const saved = await gitService.createConfig(newConfig);
+            configs = [...configs, saved];
+            toast('Configuration saved', 'success');
+            newConfig = { name: '', provider: 'GITHUB', url: 'https://github.com', pat: '', default_repository: '' };
+        } catch (e) {
+            toast(e.message, 'error');
+        }
+    }
+    // [/DEF:handleSave:Function]
+
+    // [DEF:handleDelete:Function]
+    /**
+     * @purpose Deletes a git configuration by ID.
+     * @param {string} id - Configuration ID.
+     * @pre id is valid; user confirmed deletion.
+     * @post Configuration is removed from DB and local state.
+     */
+    async function handleDelete(id) {
+        if (!confirm('Are you sure you want to delete this Git configuration?')) return;
+        try {
+            await gitService.deleteConfig(id);
+            configs = configs.filter(c => c.id !== id);
+            toast('Configuration deleted', 'success');
+        } catch (e) {
+            toast(e.message, 'error');
+        }
+    }
+    // [/DEF:handleDelete:Function]
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<div class="p-6 max-w-6xl mx-auto">
+    <PageHeader title="Git Integration Settings" />
+
+    <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
+        <!-- List of Configs -->
+        <Card title="Configured Servers">
+            {#if configs.length === 0}
+                <p class="text-gray-500">No Git servers configured.</p>
+            {:else}
+                <ul class="divide-y divide-gray-100">
+                    {#each configs as config}
+                        <li class="py-4 flex justify-between items-center">
+                            <div>
+                                <div class="flex items-center gap-2">
+                                    <span class="font-medium text-gray-900">{config.name}</span>
+                                    <span class="text-xs font-mono bg-gray-50 text-gray-500 px-1.5 py-0.5 rounded">{config.provider}</span>
+                                </div>
+                                <div class="text-xs text-gray-400 mt-1">{config.url}</div>
+                            </div>
+                            <div class="flex items-center space-x-4">
+                                <span class="px-2 py-1 text-xs font-medium rounded {config.status === 'CONNECTED' ? 'bg-green-50 text-green-700' : 'bg-red-50 text-red-700'}">
+                                    {config.status}
+                                </span>
+                                <button on:click={() => handleDelete(config.id)} class="text-gray-400 hover:text-red-600 transition-colors" title="Delete">
+                                    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
+                                        <path fill-rule="evenodd" d="M9 2a1 1 0 00-.894.553L7.382 4H4a1 1 0 000 2v10a2 2 0 002 2h8a2 2 0 002-2V6a1 1 0 100-2h-3.382l-.724-1.447A1 1 0 0011 2H9zM7 8a1 1 0 012 0v6a1 1 0 11-2 0V8zm5-1a1 1 0 00-1 1v6a1 1 0 102 0V8a1 1 0 00-1-1z" clip-rule="evenodd" />
+                                    </svg>
+                                </button>
+                            </div>
+                        </li>
+                    {/each}
+                </ul>
+            {/if}
+        </Card>
+
+        <!-- Add New Config -->
+        <Card title="Add Git Server">
+            <div class="space-y-6">
+                <Input label="Display Name" bind:value={newConfig.name} placeholder="e.g. My GitHub" />
+                <Select
+                    label="Provider"
+                    bind:value={newConfig.provider}
+                    options={[
+                        { value: 'GITHUB', label: 'GitHub' },
+                        { value: 'GITLAB', label: 'GitLab' },
+                        { value: 'GITEA', label: 'Gitea' }
+                    ]}
+                />
+                <Input label="Server URL" bind:value={newConfig.url} />
+                <Input label="Personal Access Token (PAT)" type="password" bind:value={newConfig.pat} />
+                <Input label="Default Repository (Optional)" bind:value={newConfig.default_repository} placeholder="org/repo" />
+                
+                <div class="flex gap-3 pt-2">
+                    <Button variant="secondary" on:click={handleTest} isLoading={testing}>
+                        Test Connection
+                    </Button>
+                    <Button variant="primary" on:click={handleSave}>
+                        Save Configuration
+                    </Button>
+                </div>
+            </div>
+        </Card>
+    </div>
+</div>
+<!-- [/SECTION: TEMPLATE] -->
+
+<style>
+    /* Styles are handled by Tailwind */
+</style>
+
+<!-- [/DEF:GitSettingsPage:Component] -->
--- a/frontend/src/routes/tasks/+page.svelte
+++ b/frontend/src/routes/tasks/+page.svelte
@@ -12,6 +12,8 @@
  import { addToast } from '../../lib/toasts';
  import TaskList from '../../components/TaskList.svelte';
  import TaskLogViewer from '../../components/TaskLogViewer.svelte';
+  import { t } from '$lib/i18n';
+  import { Button, Card, PageHeader, Select } from '$lib/ui';

  let tasks = [];
  let environments = [];
@@ -114,35 +116,35 @@
 </script>

 <div class="container mx-auto p-4 max-w-6xl">
-  <div class="flex justify-between items-center mb-6">
-    <h1 class="text-2xl font-bold text-gray-800">Task Management</h1>
-    <button
-      on:click={() => showBackupModal = true}
-      class="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-md shadow-sm transition duration-150 font-medium"
-    >
-      Run Backup
-    </button>
+  <PageHeader title={$t.tasks.management}>
+    <div slot="actions">
+      <Button on:click={() => showBackupModal = true}>
+        {$t.tasks.run_backup}
+      </Button>
    </div>
+  </PageHeader>

  <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
    <div class="lg:col-span-1">
-      <h2 class="text-lg font-semibold mb-3 text-gray-700">Recent Tasks</h2>
+      <h2 class="text-lg font-semibold mb-3 text-gray-700">{$t.tasks.recent}</h2>
      <TaskList {tasks} {loading} on:select={handleSelectTask} />
    </div>

    <div class="lg:col-span-2">
-      <h2 class="text-lg font-semibold mb-3 text-gray-700">Task Details & Logs</h2>
+      <h2 class="text-lg font-semibold mb-3 text-gray-700">{$t.tasks.details_logs}</h2>
      {#if selectedTaskId}
-        <div class="bg-white rounded-lg shadow-lg h-[600px] flex flex-col">
+        <Card padding="none">
+          <div class="h-[600px] flex flex-col overflow-hidden rounded-lg">
            <TaskLogViewer
              taskId={selectedTaskId}
              taskStatus={tasks.find(t => t.id === selectedTaskId)?.status}
              inline={true}
            />
          </div>
+        </Card>
      {:else}
-        <div class="bg-gray-50 border-2 border-dashed border-gray-300 rounded-lg h-[600px] flex items-center justify-center text-gray-500">
-          <p>Select a task to view logs and details</p>
+        <div class="bg-gray-50 border-2 border-dashed border-gray-100 rounded-lg h-[600px] flex items-center justify-center text-gray-400">
+          <p>{$t.tasks.select_task}</p>
        </div>
      {/if}
    </div>
@@ -150,37 +152,30 @@
 </div>

 {#if showBackupModal}
-  <div class="fixed inset-0 z-50 flex items-center justify-center bg-black bg-opacity-50">
-    <div class="bg-white rounded-lg shadow-xl p-6 w-full max-w-md">
-      <h3 class="text-xl font-bold mb-4">Run Manual Backup</h3>
-      <div class="mb-4">
-        <label for="env-select" class="block text-sm font-medium text-gray-700 mb-1">Target Environment</label>
-        <select
-          id="env-select"
+  <div class="fixed inset-0 z-50 flex items-center justify-center bg-gray-900/50 backdrop-blur-sm p-4">
+    <div class="w-full max-w-md">
+      <Card title={$t.tasks.manual_backup}>
+        <div class="space-y-6">
+          <Select
+            label={$t.tasks.target_env}
            bind:value={selectedEnvId}
-          class="w-full border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 p-2 border"
-        >
-          <option value="" disabled>-- Select Environment --</option>
-          {#each environments as env}
-            <option value={env.id}>{env.name}</option>
-          {/each}
-        </select>
-      </div>
-      <div class="flex justify-end space-x-3">
-        <button
-          on:click={() => showBackupModal = false}
-          class="px-4 py-2 text-gray-700 hover:bg-gray-100 rounded-md transition"
-        >
-          Cancel
-        </button>
-        <button
-          on:click={handleRunBackup}
-          class="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 transition"
-        >
+            options={[
+              { value: '', label: $t.tasks.select_env },
+              ...environments.map(e => ({ value: e.id, label: e.name }))
+            ]}
+          />
+          
+          <div class="flex justify-end gap-3 pt-2">
+            <Button variant="secondary" on:click={() => showBackupModal = false}>
+              {$t.common.cancel}
+            </Button>
+            <Button variant="primary" on:click={handleRunBackup}>
              Start Backup
-        </button>
+            </Button>
          </div>
        </div>
+      </Card>
+    </div>
  </div>
 {/if}

--- a/frontend/src/routes/tools/debug/+page.svelte
+++ b/frontend/src/routes/tools/debug/+page.svelte
@@ -7,11 +7,11 @@
 <script>
    import DebugTool from '../../../components/tools/DebugTool.svelte';
    import TaskRunner from '../../../components/TaskRunner.svelte';
+    import { PageHeader } from '$lib/ui';
 </script>

-<div class="max-w-7xl mx-auto py-6 sm:px-6 lg:px-8">
-    <div class="px-4 py-6 sm:px-0">
-        <h1 class="text-2xl font-semibold text-gray-900 mb-6">System Diagnostics</h1>
+<div class="max-w-7xl mx-auto p-6">
+    <PageHeader title="System Diagnostics" />
    
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
        <div class="lg:col-span-2">
@@ -21,6 +21,5 @@
            <TaskRunner />
        </div>
    </div>
-    </div>
 </div>
 <!-- [/DEF:DebugPage:Component] -->
--- a/frontend/src/routes/tools/mapper/+page.svelte
+++ b/frontend/src/routes/tools/mapper/+page.svelte
@@ -7,11 +7,11 @@
 <script>
    import MapperTool from '../../../components/tools/MapperTool.svelte';
    import TaskRunner from '../../../components/TaskRunner.svelte';
+    import { PageHeader } from '$lib/ui';
 </script>

-<div class="max-w-7xl mx-auto py-6 sm:px-6 lg:px-8">
-    <div class="px-4 py-6 sm:px-0">
-        <h1 class="text-2xl font-semibold text-gray-900 mb-6">Dataset Column Mapper</h1>
+<div class="max-w-7xl mx-auto p-6">
+    <PageHeader title="Dataset Column Mapper" />
    
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
        <div class="lg:col-span-2">
@@ -21,6 +21,5 @@
            <TaskRunner />
        </div>
    </div>
-    </div>
 </div>
 <!-- [/DEF:MapperPage:Component] -->
--- a/frontend/src/routes/tools/search/+page.svelte
+++ b/frontend/src/routes/tools/search/+page.svelte
@@ -7,11 +7,11 @@
 <script>
    import SearchTool from '../../../components/tools/SearchTool.svelte';
    import TaskRunner from '../../../components/TaskRunner.svelte';
+    import { PageHeader } from '$lib/ui';
 </script>

-<div class="max-w-7xl mx-auto py-6 sm:px-6 lg:px-8">
-    <div class="px-4 py-6 sm:px-0">
-        <h1 class="text-2xl font-semibold text-gray-900 mb-6">Dataset Search</h1>
+<div class="max-w-7xl mx-auto p-6">
+    <PageHeader title="Dataset Search" />
    
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
        <div class="lg:col-span-2">
@@ -21,6 +21,5 @@
            <TaskRunner />
        </div>
    </div>
-    </div>
 </div>
 <!-- [/DEF:SearchPage:Component] -->
--- a/frontend/src/routes/tools/storage/+page.svelte
+++ b/frontend/src/routes/tools/storage/+page.svelte
@@ -0,0 +1,198 @@
+<!-- [DEF:StoragePage:Component] -->
+<!--
+@SEMANTICS: storage, files, management
+@PURPOSE:   Main page for file storage management.
+@LAYER:     Feature
+@RELATION:  DEPENDS_ON -> storageService
+@RELATION:  CONTAINS -> FileList
+@RELATION:  CONTAINS -> FileUpload
+
+@INVARIANT: Always displays tabs for Backups and Repositories.
+-->
+
+<script lang="ts">
+  // [SECTION: IMPORTS]
+  import { onMount } from 'svelte';
+  import { listFiles, deleteFile } from '../../../services/storageService';
+  import { addToast } from '../../../lib/toasts';
+  import { t } from '../../../lib/i18n';
+  import FileList from '../../../components/storage/FileList.svelte';
+  import FileUpload from '../../../components/storage/FileUpload.svelte';
+  // [/SECTION: IMPORTS]
+
+  // [DEF:loadFiles:Function]
+  /**
+   * @purpose Fetches the list of files from the server.
+   * @post    Updates the `files` array with the latest data.
+   */
+  let files = [];
+  let isLoading = false;
+  let activeTab = 'backups';
+  let currentPath = 'backups'; // Relative to storage root
+
+  async function loadFiles() {
+    isLoading = true;
+    try {
+      const category = activeTab;
+      
+      // If we have a currentPath, we use it.
+      // But if user switched tabs, we should reset currentPath to category root
+      let effectivePath = currentPath;
+      if (category && !currentPath.startsWith(category)) {
+          effectivePath = category;
+          currentPath = category;
+      }
+
+      // API expects path relative to category root if category is provided
+      const subpath = (category && effectivePath.startsWith(category))
+        ? effectivePath.substring(category.length).replace(/^\/+/, '')
+        : effectivePath;
+
+      files = await listFiles(category, subpath);
+    } catch (error) {
+      addToast($t.storage.messages.load_failed.replace('{error}', error.message), 'error');
+    } finally {
+      isLoading = false;
+    }
+  }
+  // [/DEF:loadFiles:Function]
+
+  // [DEF:handleDelete:Function]
+  /**
+   * @purpose Handles the file deletion process.
+   * @param   {CustomEvent} event - The delete event containing category and path.
+   */
+  async function handleDelete(event) {
+    const { category, path, name } = event.detail;
+    if (!confirm($t.storage.messages.delete_confirm.replace('{name}', name))) return;
+
+    try {
+      await deleteFile(category, path);
+      addToast($t.storage.messages.delete_success.replace('{name}', name), 'success');
+      await loadFiles();
+    } catch (error) {
+      addToast($t.storage.messages.delete_failed.replace('{error}', error.message), 'error');
+    }
+  }
+  // [/DEF:handleDelete:Function]
+
+  // [DEF:handleNavigate:Function]
+  /**
+   * @purpose Updates the current path and reloads files when navigating into a directory.
+   * @param   {CustomEvent} event - The navigation event containing the new path.
+   */
+  function handleNavigate(event) {
+    currentPath = event.detail;
+    loadFiles();
+  }
+  // [/DEF:handleNavigate:Function]
+
+  // [DEF:navigateUp:Function]
+  /**
+   * @purpose Navigates one level up in the directory structure.
+   */
+  function navigateUp() {
+    if (!currentPath || currentPath === activeTab) return;
+    const parts = currentPath.split('/');
+    parts.pop();
+    currentPath = parts.join('/') || '';
+    loadFiles();
+  }
+  // [/DEF:navigateUp:Function]
+
+  onMount(loadFiles);
+
+  $: if (activeTab) {
+    // Reset path when switching tabs
+    if (!currentPath.startsWith(activeTab)) {
+        currentPath = activeTab;
+    }
+    loadFiles();
+  }
+</script>
+
+<!-- [SECTION: TEMPLATE] -->
+<div class="container mx-auto p-4 max-w-6xl">
+  <div class="mb-6">
+    <h1 class="text-2xl font-bold text-gray-900">{$t.storage.management}</h1>
+    {#if currentPath}
+      <div class="flex items-center mt-2 text-sm text-gray-500">
+        <button on:click={() => { currentPath = activeTab; loadFiles(); }} class="hover:text-indigo-600">{$t.storage.root}</button>
+        {#each currentPath.split('/').slice(1) as part, i}
+          <span class="mx-2">/</span>
+          <button
+            on:click={() => { currentPath = currentPath.split('/').slice(0, i + 1).join('/'); loadFiles(); }}
+            class="hover:text-indigo-600 capitalize"
+          >
+            {part}
+          </button>
+        {/each}
+      </div>
+    {/if}
+  </div>
+
+  <div class="flex justify-end mb-4">
+    <button
+      on:click={loadFiles}
+      class="inline-flex items-center px-4 py-2 border border-gray-300 rounded-md shadow-sm text-sm font-medium text-gray-700 bg-white hover:bg-gray-50"
+      disabled={isLoading}
+    >
+      {isLoading ? $t.storage.refreshing : $t.storage.refresh}
+    </button>
+  </div>
+
+  <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
+    <!-- Main Content: File List -->
+    <div class="lg:col-span-2 space-y-4">
+      <!-- Tabs -->
+      <div class="border-b border-gray-200">
+        <nav class="-mb-px flex space-x-8">
+          <button
+            on:click={() => activeTab = 'backups'}
+            class="py-4 px-1 border-b-2 font-medium text-sm {activeTab === 'backups' ? 'border-indigo-500 text-indigo-600' : 'border-transparent text-gray-500 hover:text-gray-700 hover:border-gray-300'}"
+          >
+            {$t.storage.backups}
+          </button>
+          <button
+            on:click={() => activeTab = 'repositorys'}
+            class="py-4 px-1 border-b-2 font-medium text-sm {activeTab === 'repositorys' ? 'border-indigo-500 text-indigo-600' : 'border-transparent text-gray-500 hover:text-gray-700 hover:border-gray-300'}"
+          >
+            {$t.storage.repositories}
+          </button>
+        </nav>
+      </div>
+
+      <div class="flex items-center mb-2">
+        {#if currentPath && currentPath !== activeTab}
+          <button
+            on:click={navigateUp}
+            class="mr-4 inline-flex items-center px-3 py-1 border border-gray-300 shadow-sm text-xs font-medium rounded text-gray-700 bg-white hover:bg-gray-50"
+          >
+            <svg class="h-4 w-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18" />
+            </svg>
+            Back
+          </button>
+        {/if}
+      </div>
+
+      <FileList {files} on:delete={handleDelete} on:navigate={handleNavigate} />
+    </div>
+
+    <!-- Sidebar: Upload -->
+    <div class="lg:col-span-1">
+      <FileUpload
+        category={activeTab}
+        path={currentPath}
+        on:uploaded={loadFiles}
+      />
+    </div>
+  </div>
+</div>
+<!-- [/SECTION: TEMPLATE] -->
+
+<style>
+  /* ... */
+</style>
+
+<!-- [/DEF:StoragePage:Component] -->
--- a/frontend/src/services/gitService.js
+++ b/frontend/src/services/gitService.js
@@ -0,0 +1,325 @@
+// [DEF:GitServiceClient:Module]
+/**
+ * @SEMANTICS: git, service, api, client
+ * @PURPOSE:   API client for Git operations, managing the communication between frontend and backend.
+ * @LAYER:     Service
+ * @RELATION:  DEPENDS_ON -> specs/011-git-integration-dashboard/contracts/api.md
+ */
+
+const API_BASE = '/api/git';
+
+// [DEF:gitService:Action]
+export const gitService = {
+    /**
+     * [DEF:getConfigs:Function]
+     * @purpose Fetches all Git server configurations.
+     * @pre     User must be authenticated.
+     * @post    Returns a list of Git server configurations.
+     * @returns {Promise<Array>} List of configs.
+     */
+    async getConfigs() {
+        console.log('[getConfigs][Action] Fetching Git configs');
+        const response = await fetch(`${API_BASE}/config`);
+        if (!response.ok) throw new Error('Failed to fetch Git configs');
+        return response.json();
+    },
+
+    /**
+     * [DEF:createConfig:Function]
+     * @purpose Creates a new Git server configuration.
+     * @pre     Config object must be valid.
+     * @post    New config is created and returned.
+     * @param   {Object} config - Configuration details.
+     * @returns {Promise<Object>} Created config.
+     */
+    async createConfig(config) {
+        console.log('[createConfig][Action] Creating Git config');
+        const response = await fetch(`${API_BASE}/config`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(config)
+        });
+        if (!response.ok) throw new Error('Failed to create Git config');
+        return response.json();
+    },
+
+    /**
+     * [DEF:deleteConfig:Function]
+     * @purpose Deletes an existing Git server configuration.
+     * @pre     configId must exist.
+     * @post    Config is deleted from the backend.
+     * @param   {string} configId - ID of the config to delete.
+     * @returns {Promise<Object>} Result of deletion.
+     */
+    async deleteConfig(configId) {
+        console.log(`[deleteConfig][Action] Deleting Git config ${configId}`);
+        const response = await fetch(`${API_BASE}/config/${configId}`, {
+            method: 'DELETE'
+        });
+        if (!response.ok) throw new Error('Failed to delete Git config');
+        return response.json();
+    },
+
+    /**
+     * [DEF:testConnection:Function]
+     * @purpose Tests the connection to a Git server with provided credentials.
+     * @pre     Config must contain valid URL and PAT.
+     * @post    Returns connection status (success/failure).
+     * @param   {Object} config - Configuration to test.
+     * @returns {Promise<Object>} Connection test result.
+     */
+    async testConnection(config) {
+        console.log('[testConnection][Action] Testing Git connection');
+        const response = await fetch(`${API_BASE}/config/test`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(config)
+        });
+        return response.json();
+    },
+
+    /**
+     * [DEF:initRepository:Function]
+     * @purpose Initializes or clones a Git repository for a dashboard.
+     * @pre     Dashboard must exist and config_id must be valid.
+     * @post    Repository is initialized on the backend.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {string} configId - ID of the Git config.
+     * @param   {string} remoteUrl - URL of the remote repository.
+     * @returns {Promise<Object>} Initialization result.
+     */
+    async initRepository(dashboardId, configId, remoteUrl) {
+        console.log(`[initRepository][Action] Initializing repo for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/init`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ config_id: configId, remote_url: remoteUrl })
+        });
+        if (!response.ok) {
+            const err = await response.json();
+            throw new Error(err.detail || 'Failed to initialize repository');
+        }
+        return response.json();
+    },
+
+    /**
+     * [DEF:getBranches:Function]
+     * @purpose Retrieves the list of branches for a dashboard's repository.
+     * @pre     Repository must be initialized.
+     * @post    Returns a list of branches.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @returns {Promise<Array>} List of branches.
+     */
+    async getBranches(dashboardId) {
+        console.log(`[getBranches][Action] Fetching branches for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/branches`);
+        if (!response.ok) throw new Error('Failed to fetch branches');
+        return response.json();
+    },
+
+    /**
+     * [DEF:createBranch:Function]
+     * @purpose Creates a new branch in the dashboard's repository.
+     * @pre     Source branch must exist.
+     * @post    New branch is created.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {string} name - New branch name.
+     * @param   {string} fromBranch - Source branch name.
+     * @returns {Promise<Object>} Creation result.
+     */
+    async createBranch(dashboardId, name, fromBranch) {
+        console.log(`[createBranch][Action] Creating branch ${name} for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/branches`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ name, from_branch: fromBranch })
+        });
+        if (!response.ok) throw new Error('Failed to create branch');
+        return response.json();
+    },
+
+    /**
+     * [DEF:checkoutBranch:Function]
+     * @purpose Switches the repository to a different branch.
+     * @pre     Target branch must exist.
+     * @post    Repository head is moved to the target branch.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {string} name - Branch name to checkout.
+     * @returns {Promise<Object>} Checkout result.
+     */
+    async checkoutBranch(dashboardId, name) {
+        console.log(`[checkoutBranch][Action] Checking out branch ${name} for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/checkout`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ name })
+        });
+        if (!response.ok) throw new Error('Failed to checkout branch');
+        return response.json();
+    },
+
+    /**
+     * [DEF:commit:Function]
+     * @purpose Stages and commits changes to the repository.
+     * @pre     Message must not be empty.
+     * @post    Changes are committed to the current branch.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {string} message - Commit message.
+     * @param   {Array} files - Optional list of files to commit.
+     * @returns {Promise<Object>} Commit result.
+     */
+    async commit(dashboardId, message, files) {
+        console.log(`[commit][Action] Committing changes for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/commit`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ message, files })
+        });
+        if (!response.ok) throw new Error('Failed to commit changes');
+        return response.json();
+    },
+
+    /**
+     * [DEF:push:Function]
+     * @purpose Pushes local commits to the remote repository.
+     * @pre     Remote must be configured and accessible.
+     * @post    Remote is updated with local commits.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @returns {Promise<Object>} Push result.
+     */
+    async push(dashboardId) {
+        console.log(`[push][Action] Pushing changes for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/push`, {
+            method: 'POST'
+        });
+        if (!response.ok) throw new Error('Failed to push changes');
+        return response.json();
+    },
+
+    /**
+     * [DEF:pull:Function]
+     * @purpose Pulls changes from the remote repository.
+     * @pre     Remote must be configured and accessible.
+     * @post    Local repository is updated with remote changes.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @returns {Promise<Object>} Pull result.
+     */
+    async pull(dashboardId) {
+        console.log(`[pull][Action] Pulling changes for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/pull`, {
+            method: 'POST'
+        });
+        if (!response.ok) throw new Error('Failed to pull changes');
+        return response.json();
+    },
+
+    /**
+     * [DEF:getEnvironments:Function]
+     * @purpose Retrieves available deployment environments.
+     * @post    Returns a list of environments.
+     * @returns {Promise<Array>} List of environments.
+     */
+    async getEnvironments() {
+        console.log('[getEnvironments][Action] Fetching environments');
+        const response = await fetch(`${API_BASE}/environments`);
+        if (!response.ok) throw new Error('Failed to fetch environments');
+        return response.json();
+    },
+
+    /**
+     * [DEF:deploy:Function]
+     * @purpose Deploys a dashboard to a target environment.
+     * @pre     Environment must be active and accessible.
+     * @post    Dashboard is imported into the target Superset instance.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {string} environmentId - ID of the target environment.
+     * @returns {Promise<Object>} Deployment result.
+     */
+    async deploy(dashboardId, environmentId) {
+        console.log(`[deploy][Action] Deploying dashboard ${dashboardId} to environment ${environmentId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/deploy`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ environment_id: environmentId })
+        });
+        if (!response.ok) throw new Error('Failed to deploy dashboard');
+        return response.json();
+    },
+
+    /**
+     * [DEF:getHistory:Function]
+     * @purpose Retrieves the commit history for a dashboard.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {number} limit - Maximum number of commits to return.
+     * @returns {Promise<Array>} List of commits.
+     */
+    async getHistory(dashboardId, limit = 50) {
+        console.log(`[getHistory][Action] Fetching history for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/history?limit=${limit}`);
+        if (!response.ok) throw new Error('Failed to fetch commit history');
+        return response.json();
+    },
+
+    /**
+     * [DEF:sync:Function]
+     * @purpose Synchronizes the local dashboard state with the Git repository.
+     * @param   {number} dashboardId - ID of the dashboard.
+     * @param   {string|null} sourceEnvId - Optional source environment ID.
+     * @returns {Promise<Object>} Sync result.
+     */
+    async sync(dashboardId, sourceEnvId = null) {
+        console.log(`[sync][Action] Syncing dashboard ${dashboardId}`);
+        const url = new URL(`${window.location.origin}${API_BASE}/repositories/${dashboardId}/sync`);
+        if (sourceEnvId) url.searchParams.append('source_env_id', sourceEnvId);
+        
+        const response = await fetch(url, {
+            method: 'POST'
+        });
+        if (!response.ok) {
+            const err = await response.json();
+            throw new Error(err.detail || 'Failed to sync dashboard');
+        }
+        return response.json();
+    },
+
+    /**
+     * [DEF:getStatus:Function]
+     * @purpose Fetches the current Git status for a dashboard repository.
+     * @pre     dashboardId must be a valid integer.
+     * @post    Returns a status object with dirty files and branch info.
+     * @param   {number} dashboardId - The ID of the dashboard.
+     * @returns {Promise<Object>} Status details.
+     */
+    async getStatus(dashboardId) {
+        console.log(`[getStatus][Action] Fetching status for dashboard ${dashboardId}`);
+        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/status`);
+        if (!response.ok) throw new Error('Failed to fetch status');
+        return response.json();
+    },
+
+    /**
+     * [DEF:getDiff:Function]
+     * @purpose Retrieves the diff for specific files or the whole repository.
+     * @pre     dashboardId must be a valid integer.
+     * @post    Returns the Git diff string.
+     * @param   {number} dashboardId - The ID of the dashboard.
+     * @param   {string|null} filePath - Optional specific file path.
+     * @param   {boolean} staged - Whether to show staged changes.
+     * @returns {Promise<string>} The diff content.
+     */
+    async getDiff(dashboardId, filePath = null, staged = false) {
+        console.log(`[getDiff][Action] Fetching diff for dashboard ${dashboardId} (file: ${filePath}, staged: ${staged})`);
+        let url = `${API_BASE}/repositories/${dashboardId}/diff`;
+        const params = new URLSearchParams();
+        if (filePath) params.append('file_path', filePath);
+        if (staged) params.append('staged', 'true');
+        if (params.toString()) url += `?${params.toString()}`;
+        
+        const response = await fetch(url);
+        if (!response.ok) throw new Error('Failed to fetch diff');
+        return response.json();
+    }
+};
+// [/DEF:gitService:Action]
+
+// [/DEF:GitServiceClient:Module]
--- a/frontend/src/services/storageService.js
+++ b/frontend/src/services/storageService.js
@@ -0,0 +1,109 @@
+// [DEF:storageService:Module]
+/**
+ * @purpose Frontend API client for file storage management.
+ * @layer   Service
+ * @relation DEPENDS_ON -> backend.api.storage
+ * @SEMANTICS: storage, api, client
+ */
+
+const API_BASE = '/api/storage';
+
+// [DEF:listFiles:Function]
+/**
+ * @purpose Fetches the list of files for a given category and subpath.
+ * @param   {string} [category] - Optional category filter.
+ * @param   {string} [path] - Optional subpath filter.
+ * @returns {Promise<Array>}
+ * @PRE     category and path should be valid strings if provided.
+ * @POST    Returns a promise resolving to an array of StoredFile objects.
+ */
+export async function listFiles(category, path) {
+    const params = new URLSearchParams();
+    if (category) {
+        params.append('category', category);
+    }
+    if (path) {
+        params.append('path', path);
+    }
+    const response = await fetch(`${API_BASE}/files?${params.toString()}`);
+    if (!response.ok) {
+        throw new Error(`Failed to fetch files: ${response.statusText}`);
+    }
+    return await response.json();
+}
+// [/DEF:listFiles:Function]
+
+// [DEF:uploadFile:Function]
+/**
+ * @purpose Uploads a file to the storage system.
+ * @param   {File} file - The file to upload.
+ * @param   {string} category - Target category.
+ * @param   {string} [path] - Target subpath.
+ * @returns {Promise<Object>}
+ * @PRE     file must be a valid File object; category must be specified.
+ * @POST    Returns a promise resolving to the metadata of the uploaded file.
+ */
+export async function uploadFile(file, category, path) {
+    const formData = new FormData();
+    formData.append('file', file);
+    formData.append('category', category);
+    if (path) {
+        formData.append('path', path);
+    }
+
+    const response = await fetch(`${API_BASE}/upload`, {
+        method: 'POST',
+        body: formData
+    });
+
+    if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}));
+        throw new Error(errorData.detail || `Failed to upload file: ${response.statusText}`);
+    }
+    return await response.json();
+}
+// [/DEF:uploadFile:Function]
+
+// [DEF:deleteFile:Function]
+/**
+ * @purpose Deletes a file or directory from storage.
+ * @param   {string} category - File category.
+ * @param   {string} path - Relative path of the item.
+ * @returns {Promise<void>}
+ * @PRE     category and path must identify an existing file or directory.
+ * @POST    The specified file or directory is removed from storage.
+ */
+export async function deleteFile(category, path) {
+    const response = await fetch(`${API_BASE}/files/${category}/${path}`, {
+        method: 'DELETE'
+    });
+
+    if (!response.ok) {
+        const errorData = await response.json().catch(() => ({}));
+        throw new Error(errorData.detail || `Failed to delete: ${response.statusText}`);
+    }
+}
+// [/DEF:deleteFile:Function]
+
+// [DEF:downloadFileUrl:Function]
+/**
+ * @purpose Returns the URL for downloading a file.
+ * @param   {string} category - File category.
+ * @param   {string} path - Relative path of the file.
+ * @returns {string}
+ * @PRE     category and path must identify an existing file.
+ * @POST    Returns a valid API URL for file download.
+ */
+export function downloadFileUrl(category, path) {
+    return `${API_BASE}/download/${category}/${path}`;
+}
+// [/DEF:downloadFileUrl:Function]
+
+export default {
+    listFiles,
+    uploadFile,
+    deleteFile,
+    downloadFileUrl
+};
+
+// [/DEF:storageService:Module]
--- a/generate_semantic_map.py
+++ b/generate_semantic_map.py
@@ -130,7 +130,8 @@ class SemanticEntity:
                    self.compliance_issues.append(f"Missing Mandatory Tag: @{req_tag}")

            # 3. Check for Belief State Logging (Python only)
-            if self.type == "Function" and self.file_path.endswith(".py"):
+            # Skip check for logger.py to avoid circular dependencies
+            if self.type == "Function" and self.file_path.endswith(".py") and "backend/src/core/logger.py" not in self.file_path:
                if not getattr(self, 'has_belief_scope', False):
                    self.compliance_issues.append("Missing Belief State Logging: Function should use belief_scope context manager.")

--- a/migration_script.py
+++ b/migration_script.py
@@ -1,413 +0,0 @@
-# [DEF:migration_script:Module]
-#
-# @SEMANTICS: migration, cli, superset, ui, logging, error-recovery, batch-delete
-# @PURPOSE:   Предоставляет интерактивный CLI для миграции дашбордов Superset между окружениями с возможностью восстановления после ошибок.
-# @LAYER:     App
-# @RELATION:  DEPENDS_ON -> superset_tool.client
-# @RELATION:  DEPENDS_ON -> superset_tool.utils
-# @PUBLIC_API: Migration
-
-# [SECTION: IMPORTS]
-import json
-import logging
-import sys
-import zipfile
-import re
-from pathlib import Path
-from typing import List, Optional, Tuple, Dict
-from superset_tool.client import SupersetClient
-from superset_tool.utils.init_clients import setup_clients
-from superset_tool.utils.fileio import create_temp_file, update_yamls, create_dashboard_export
-from superset_tool.utils.whiptail_fallback import menu, checklist, yesno, msgbox, inputbox, gauge
-from superset_tool.utils.logger import SupersetLogger
-# [/SECTION]
-
-# [DEF:Migration:Class]
-# @PURPOSE: Инкапсулирует логику интерактивной миграции дашбордов с возможностью «удалить‑и‑перезаписать» при ошибке импорта.
-# @RELATION: CREATES_INSTANCE_OF -> SupersetLogger
-# @RELATION: USES -> SupersetClient
-class Migration:
-    """
-    Интерактивный процесс миграции дашбордов.
-    """
-    # [DEF:__init__:Function]
-    # @PURPOSE: Инициализирует сервис миграции, настраивает логгер и начальные состояния.
-    # @PRE:  None.
-    # @POST: `self.logger` готов к использованию; `enable_delete_on_failure` = `False`.
-    def __init__(self) -> None:
-        default_log_dir = Path.cwd() / "logs"
-        self.logger = SupersetLogger(
-            name="migration_script",
-            log_dir=default_log_dir,
-            level=logging.INFO,
-            console=True,
-        )
-        self.enable_delete_on_failure = False
-        self.from_c: Optional[SupersetClient] = None
-        self.to_c: Optional[SupersetClient] = None
-        self.dashboards_to_migrate: List[dict] = []
-        self.db_config_replacement: Optional[dict] = None
-        self._failed_imports: List[dict] = []
-    # [/DEF:__init__:Function]
-
-    # [DEF:run:Function]
-    # @PURPOSE: Точка входа – последовательный запуск всех шагов миграции.
-    # @PRE:  Логгер готов.
-    # @POST: Скрипт завершён, пользователю выведено сообщение.
-    # @RELATION: CALLS -> self.ask_delete_on_failure
-    # @RELATION: CALLS -> self.select_environments
-    # @RELATION: CALLS -> self.select_dashboards
-    # @RELATION: CALLS -> self.confirm_db_config_replacement
-    # @RELATION: CALLS -> self.execute_migration
-    def run(self) -> None:
-        with self.logger.belief_scope("Migration.run"):
-            self.logger.info("[run][Entry] Запуск скрипта миграции.")
-        self.ask_delete_on_failure()
-        self.select_environments()
-        self.select_dashboards()
-        self.confirm_db_config_replacement()
-        self.execute_migration()
-        self.logger.info("[run][Exit] Скрипт миграции завершён.")
-    # [/DEF:run:Function]
-
-    # [DEF:ask_delete_on_failure:Function]
-    # @PURPOSE: Запрашивает у пользователя, следует ли удалять дашборд при ошибке импорта.
-    # @PRE: None.
-    # @POST: `self.enable_delete_on_failure` установлен.
-    # @RELATION: CALLS -> yesno
-    def ask_delete_on_failure(self) -> None:
-        with self.logger.belief_scope("Migration.ask_delete_on_failure"):
-            self.enable_delete_on_failure = yesno(
-            "Поведение при ошибке импорта",
-            "Если импорт завершится ошибкой, удалить существующий дашборд и попытаться импортировать заново?",
-        )
-            self.logger.info(
-                "[ask_delete_on_failure][State] Delete-on-failure = %s",
-                self.enable_delete_on_failure,
-        )
-    # [/DEF:ask_delete_on_failure:Function]
-
-    # [DEF:select_environments:Function]
-    # @PURPOSE: Позволяет пользователю выбрать исходное и целевое окружения Superset.
-    # @PRE:  `setup_clients` успешно инициализирует все клиенты.
-    # @POST: `self.from_c` и `self.to_c` установлены.
-    # @RELATION: CALLS -> setup_clients
-    # @RELATION: CALLS -> menu
-    def select_environments(self) -> None:
-        with self.logger.belief_scope("Migration.select_environments"):
-            self.logger.info("[select_environments][Entry] Шаг 1/5: Выбор окружений.")
-            try:
-                all_clients = setup_clients(self.logger)
-                available_envs = list(all_clients.keys())
-            except Exception as e:
-                self.logger.error("[select_environments][Failure] %s", e, exc_info=True)
-                msgbox("Ошибка", "Не удалось инициализировать клиенты.")
-                return
-
-            rc, from_env_name = menu(
-                title="Выбор окружения",
-                prompt="Исходное окружение:",
-                choices=available_envs,
-            )
-            if rc != 0 or from_env_name is None:
-                self.logger.info("[select_environments][State] Source environment selection cancelled.")
-                return
-            self.from_c = all_clients[from_env_name]
-            self.logger.info("[select_environments][State] from = %s", from_env_name)
-
-            available_envs.remove(from_env_name)
-            rc, to_env_name = menu(
-                title="Выбор окружения",
-                prompt="Целевое окружение:",
-                choices=available_envs,
-            )
-            if rc != 0 or to_env_name is None:
-                self.logger.info("[select_environments][State] Target environment selection cancelled.")
-                return
-            self.to_c = all_clients[to_env_name]
-            self.logger.info("[select_environments][State] to = %s", to_env_name)
-            self.logger.info("[select_environments][Exit] Шаг 1 завершён.")
-    # [/DEF:select_environments:Function]
-
-    # [DEF:select_dashboards:Function]
-    # @PURPOSE: Позволяет пользователю выбрать набор дашбордов для миграции.
-    # @PRE:  `self.from_c` инициализирован.
-    # @POST: `self.dashboards_to_migrate` заполнен.
-    # @RELATION: CALLS -> self.from_c.get_dashboards
-    # @RELATION: CALLS -> checklist
-    def select_dashboards(self) -> None:
-        with self.logger.belief_scope("Migration.select_dashboards"):
-            self.logger.info("[select_dashboards][Entry] Шаг 2/5: Выбор дашбордов.")
-            if self.from_c is None:
-                self.logger.error("[select_dashboards][Failure] Source client not initialized.")
-                msgbox("Ошибка", "Исходное окружение не выбрано.")
-                return
-            try:
-                _, all_dashboards = self.from_c.get_dashboards()
-                if not all_dashboards:
-                    self.logger.warning("[select_dashboards][State] No dashboards.")
-                    msgbox("Информация", "В исходном окружении нет дашбордов.")
-                    return
-        
-                rc, regex = inputbox("Поиск", "Введите регулярное выражение для поиска дашбордов:")
-                if rc != 0:
-                    return
-                # Ensure regex is a string and perform case‑insensitive search
-                regex_str = str(regex)
-                filtered_dashboards = [
-                    d for d in all_dashboards if re.search(regex_str, d["dashboard_title"], re.IGNORECASE)
-                ]
-        
-                options = [("ALL", "Все дашборды")] + [
-                    (str(d["id"]), d["dashboard_title"]) for d in filtered_dashboards
-                ]
-        
-                rc, selected = checklist(
-                    title="Выбор дашбордов",
-                    prompt="Отметьте нужные дашборды (введите номера):",
-                    options=options,
-                )
-                if rc != 0:
-                    return
-        
-                if "ALL" in selected:
-                    self.dashboards_to_migrate = filtered_dashboards
-                else:
-                    self.dashboards_to_migrate = [
-                        d for d in filtered_dashboards if str(d["id"]) in selected
-                    ]
-        
-                self.logger.info(
-                    "[select_dashboards][State] Выбрано %d дашбордов.",
-                    len(self.dashboards_to_migrate),
-                )
-            except Exception as e:
-                self.logger.error("[select_dashboards][Failure] %s", e, exc_info=True)
-                msgbox("Ошибка", "Не удалось получить список дашбордов.")
-            self.logger.info("[select_dashboards][Exit] Шаг 2 завершён.")
-    # [/DEF:select_dashboards:Function]
-
-    # [DEF:confirm_db_config_replacement:Function]
-    # @PURPOSE: Запрашивает у пользователя, требуется ли заменить имена БД в YAML-файлах.
-    # @PRE: None.
-    # @POST: `self.db_config_replacement` либо `None`, либо заполнен.
-    # @RELATION: CALLS -> yesno
-    # @RELATION: CALLS -> self._select_databases
-    def confirm_db_config_replacement(self) -> None:
-        with self.logger.belief_scope("Migration.confirm_db_config_replacement"):
-            if yesno("Замена БД", "Заменить конфигурацию БД в YAML‑файлах?"):
-                old_db, new_db = self._select_databases()
-                if not old_db or not new_db:
-                    self.logger.info("[confirm_db_config_replacement][State] Selection cancelled.")
-                    return
-                print(f"old_db: {old_db}")
-                old_result = old_db.get("result", {})
-                new_result = new_db.get("result", {})
-
-                self.db_config_replacement = {
-                    "old": {
-                        "database_name": old_result.get("database_name"),
-                        "uuid": old_result.get("uuid"),
-                        "database_uuid": old_result.get("uuid"),
-                        "id": str(old_db.get("id"))
-                    },
-                    "new": {
-                        "database_name": new_result.get("database_name"),
-                        "uuid": new_result.get("uuid"),
-                        "database_uuid": new_result.get("uuid"),
-                        "id": str(new_db.get("id"))
-                    }
-                }
-       
-                self.logger.info("[confirm_db_config_replacement][State] Replacement set: %s", self.db_config_replacement)
-            else:
-                self.logger.info("[confirm_db_config_replacement][State] Skipped.")
-    # [/DEF:confirm_db_config_replacement:Function]
-
-    # [DEF:_select_databases:Function]
-    # @PURPOSE: Позволяет пользователю выбрать исходную и целевую БД через API.
-    # @PRE: Clients are initialized.
-    # @POST: Возвращает кортеж (старая БД, новая БД) или (None, None) при отмене.
-    # @RELATION: CALLS -> self.from_c.get_databases
-    # @RELATION: CALLS -> self.to_c.get_databases
-    # @RELATION: CALLS -> self.from_c.get_database
-    # @RELATION: CALLS -> self.to_c.get_database
-    # @RELATION: CALLS -> menu
-    def _select_databases(self) -> Tuple[Optional[Dict], Optional[Dict]]:
-        with self.logger.belief_scope("Migration._select_databases"):
-            self.logger.info("[_select_databases][Entry] Selecting databases from both environments.")
-        
-            if self.from_c is None or self.to_c is None:
-                self.logger.error("[_select_databases][Failure] Source or target client not initialized.")
-                msgbox("Ошибка", "Исходное или целевое окружение не выбрано.")
-                return None, None
-
-            # Получаем список БД из обоих окружений
-            try:
-                _, from_dbs = self.from_c.get_databases()
-                _, to_dbs = self.to_c.get_databases()
-            except Exception as e:
-                self.logger.error("[_select_databases][Failure] Failed to fetch databases: %s", e)
-                msgbox("Ошибка", "Не удалось получить список баз данных.")
-                return None, None
-            
-            # Формируем список для выбора
-            # По Swagger документации, в ответе API поле называется "database_name"
-            from_choices = []
-            for db in from_dbs:
-                db_name = db.get("database_name", "Без имени")
-                from_choices.append((str(db["id"]), f"{db_name} (ID: {db['id']})"))
-                
-            to_choices = []
-            for db in to_dbs:
-                db_name = db.get("database_name", "Без имени")
-                to_choices.append((str(db["id"]), f"{db_name} (ID: {db['id']})"))
-            
-            # Показываем список БД для исходного окружения
-            rc, from_sel = menu(
-                title="Выбор исходной БД",
-                prompt="Выберите исходную БД:",
-                choices=[f"{name}" for id, name in from_choices]
-            )
-            if rc != 0:
-                return None, None
-            
-            # Определяем выбранную БД
-            from_db_id = from_choices[[choice[1] for choice in from_choices].index(from_sel)][0]
-            # Получаем полную информацию о выбранной БД из исходного окружения
-            try:
-                from_db = self.from_c.get_database(int(from_db_id))
-            except Exception as e:
-                self.logger.error("[_select_databases][Failure] Failed to fetch database details: %s", e)
-                msgbox("Ошибка", "Не удалось получить информацию о выбранной базе данных.")
-                return None, None
-            
-            # Показываем список БД для целевого окружения
-            rc, to_sel = menu(
-                title="Выбор целевой БД",
-                prompt="Выберите целевую БД:",
-                choices=[f"{name}" for id, name in to_choices]
-            )
-            if rc != 0:
-                return None, None
-            
-            # Определяем выбранную БД
-            to_db_id = to_choices[[choice[1] for choice in to_choices].index(to_sel)][0]
-            # Получаем полную информацию о выбранной БД из целевого окружения
-            try:
-                to_db = self.to_c.get_database(int(to_db_id))
-            except Exception as e:
-                self.logger.error("[_select_databases][Failure] Failed to fetch database details: %s", e)
-                msgbox("Ошибка", "Не удалось получить информацию о выбранной базе данных.")
-                return None, None
-            
-            self.logger.info("[_select_databases][Exit] Selected databases: %s -> %s", from_db.get("database_name", "Без имени"), to_db.get("database_name", "Без имени"))
-            return from_db, to_db
-    # [/DEF:_select_databases:Function]
-
-    # [DEF:_batch_delete_by_ids:Function]
-    # @PURPOSE: Удаляет набор дашбордов по их ID единым запросом.
-    # @PRE:  `ids` – непустой список целых чисел.
-    # @POST: Все указанные дашборды удалены (если они существовали).
-    # @RELATION: CALLS -> self.to_c.network.request
-    # @PARAM: ids (List[int]) - Список ID дашбордов для удаления.
-    def _batch_delete_by_ids(self, ids: List[int]) -> None:
-        with self.logger.belief_scope("Migration._batch_delete_by_ids", f"ids={ids}"):
-            if not ids:
-                self.logger.debug("[_batch_delete_by_ids][Skip] Empty ID list – nothing to delete.")
-                return
-
-            if self.to_c is None:
-                self.logger.error("[_batch_delete_by_ids][Failure] Target client not initialized.")
-                msgbox("Ошибка", "Целевое окружение не выбрано.")
-                return
-
-            self.logger.info("[_batch_delete_by_ids][Entry] Deleting dashboards IDs: %s", ids)
-            q_param = json.dumps(ids)
-            response = self.to_c.network.request(method="DELETE", endpoint="/dashboard/", params={"q": q_param})
-            
-            if isinstance(response, dict) and response.get("result", True) is False:
-                self.logger.warning("[_batch_delete_by_ids][Warning] Unexpected delete response: %s", response)
-            else:
-                self.logger.info("[_batch_delete_by_ids][Success] Delete request completed.")
-    # [/DEF:_batch_delete_by_ids:Function]
-
-    # [DEF:execute_migration:Function]
-    # @PURPOSE: Выполняет экспорт-импорт дашбордов, обрабатывает ошибки и, при необходимости, выполняет процедуру восстановления.
-    # @PRE:  `self.dashboards_to_migrate` не пуст; `self.from_c` и `self.to_c` инициализированы.
-    # @POST: Успешные дашборды импортированы; неудачные - восстановлены или залогированы.
-    # @RELATION: CALLS -> self.from_c.export_dashboard
-    # @RELATION: CALLS -> create_temp_file
-    # @RELATION: CALLS -> update_yamls
-    # @RELATION: CALLS -> create_dashboard_export
-    # @RELATION: CALLS -> self.to_c.import_dashboard
-    # @RELATION: CALLS -> self._batch_delete_by_ids
-    def execute_migration(self) -> None:
-        with self.logger.belief_scope("Migration.execute_migration"):
-            if not self.dashboards_to_migrate:
-                self.logger.warning("[execute_migration][Skip] No dashboards to migrate.")
-                msgbox("Информация", "Нет дашбордов для миграции.")
-                return
-
-            if self.from_c is None or self.to_c is None:
-                self.logger.error("[execute_migration][Failure] Source or target client not initialized.")
-                msgbox("Ошибка", "Исходное или целевое окружение не выбрано.")
-                return
-
-            total = len(self.dashboards_to_migrate)
-            self.logger.info("[execute_migration][Entry] Starting migration of %d dashboards.", total)
-            self.to_c.delete_before_reimport = self.enable_delete_on_failure
-
-            with gauge("Миграция...", width=60, height=10) as g:
-                for i, dash in enumerate(self.dashboards_to_migrate):
-                    dash_id, dash_slug, title = dash["id"], dash.get("slug"), dash["dashboard_title"]
-                    g.set_text(f"Миграция: {title} ({i + 1}/{total})")
-                    g.set_percent(int((i / total) * 100))
-                    exported_content = None # Initialize exported_content
-                    try:
-                        exported_content, _ = self.from_c.export_dashboard(dash_id)
-                        with create_temp_file(content=exported_content, dry_run=True, suffix=".zip", logger=self.logger) as tmp_zip_path, \
-                             create_temp_file(suffix=".dir", logger=self.logger) as tmp_unpack_dir:
-                            
-                            if not self.db_config_replacement:
-                                self.to_c.import_dashboard(file_name=tmp_zip_path, dash_id=dash_id, dash_slug=dash_slug)
-                            else:
-                                with zipfile.ZipFile(tmp_zip_path, "r") as zip_ref:
-                                    zip_ref.extractall(tmp_unpack_dir)
-                                
-                                if self.db_config_replacement:
-                                    update_yamls(db_configs=[self.db_config_replacement], path=str(tmp_unpack_dir))
-                                
-                                with create_temp_file(suffix=".zip", dry_run=True, logger=self.logger) as tmp_new_zip:
-                                    create_dashboard_export(zip_path=tmp_new_zip, source_paths=[str(p) for p in Path(tmp_unpack_dir).glob("**/*")])
-                                    self.to_c.import_dashboard(file_name=tmp_new_zip, dash_id=dash_id, dash_slug=dash_slug)
-                        
-                        self.logger.info("[execute_migration][Success] Dashboard %s imported.", title)
-                    except Exception as exc:
-                        self.logger.error("[execute_migration][Failure] %s", exc, exc_info=True)
-                        self._failed_imports.append({"slug": dash_slug, "dash_id": dash_id, "zip_content": exported_content})
-                        msgbox("Ошибка", f"Не удалось мигрировать дашборд {title}.\n\n{exc}")
-                g.set_percent(100)
-
-            if self.enable_delete_on_failure and self._failed_imports:
-                self.logger.info("[execute_migration][Recovery] %d dashboards failed. Starting recovery.", len(self._failed_imports))
-                _, target_dashboards = self.to_c.get_dashboards()
-                slug_to_id = {d["slug"]: d["id"] for d in target_dashboards if "slug" in d and "id" in d}
-                ids_to_delete = [slug_to_id[f["slug"]] for f in self._failed_imports if f["slug"] in slug_to_id]
-                self._batch_delete_by_ids(ids_to_delete)
-
-                for fail in self._failed_imports:
-                    with create_temp_file(content=fail["zip_content"], suffix=".zip", logger=self.logger) as retry_zip:
-                        self.to_c.import_dashboard(file_name=retry_zip, dash_id=fail["dash_id"], dash_slug=fail["slug"])
-                    self.logger.info("[execute_migration][Recovered] Dashboard slug '%s' re-imported.", fail["slug"])
-
-            self.logger.info("[execute_migration][Exit] Migration finished.")
-            msgbox("Ошибка" if self._failed_imports else "Информация", "Миграция завершена!")
-    # [/DEF:execute_migration:Function]
-
-# [/DEF:Migration:Class]
-
-if __name__ == "__main__":
-    Migration().run()
-
-# [/DEF:migration_script:Module]
--- a/reproduce_issue.py
+++ b/reproduce_issue.py
@@ -1,21 +0,0 @@
-import sys
-import os
-from pathlib import Path
-
-# Add root to sys.path
-sys.path.append(os.getcwd())
-
-try:
-    from backend.src.core.plugin_loader import PluginLoader
-except ImportError as e:
-    print(f"Failed to import PluginLoader: {e}")
-    sys.exit(1)
-
-plugin_dir = Path("backend/src/plugins").absolute()
-print(f"Plugin dir: {plugin_dir}")
-
-loader = PluginLoader(str(plugin_dir))
-configs = loader.get_all_plugin_configs()
-print(f"Loaded plugins: {len(configs)}")
-for config in configs:
-    print(f" - {config.id}")
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
busya	51e9ee3fcc	semantic update	2026-01-26 11:57:36 +03:00
busya	edf9286071	Файловое хранилище готово	2026-01-26 11:08:18 +03:00
busya	a542e7d2df	Передаем на тест	2026-01-25 18:33:00 +03:00
busya	a863807cf2	tasks ready	2026-01-24 16:21:43 +03:00
busya	e2bc68683f	Update .gitignore	2026-01-24 11:26:19 +03:00
busya	43cb82697b	Update backup scheduler task status	2026-01-24 11:26:05 +03:00
busya	4ba28cf93e	semantic cleanup	2026-01-23 21:58:32 +03:00
busya	343f2e29f5	Мультиязночность + причесывание css	2026-01-23 17:53:46 +03:00
busya	c9a53578fd	tasks ready	2026-01-23 14:56:05 +03:00
busya	07ec2d9797	Работает создание коммитов и перенос в новый enviroment	2026-01-23 13:57:44 +03:00
busya	e9d3f3c827	tasks ready	2026-01-22 23:59:16 +03:00
busya	26ba015b75	+gitignore	2026-01-22 23:25:29 +03:00
busya	49129d3e86	fix error	2026-01-22 23:18:48 +03:00
busya	d99a13d91f	refactor complete	2026-01-22 17:37:17 +03:00