tested

2026-01-27 23:49:19 +03:00
parent d3c3a80ed2
commit e7b31accd6
33 changed files with 58782 additions and 79457 deletions
--- a/backend/backend/auth.db
+++ b/backend/backend/auth.db
--- a/backend/logs/app.log.1
+++ b/backend/logs/app.log.1
--- a/backend/src/api/auth.py
+++ b/backend/src/api/auth.py
@@ -16,7 +16,7 @@ from ..core.database import get_auth_db
 from ..services.auth_service import AuthService
 from ..schemas.auth import Token, User as UserSchema
 from ..dependencies import get_current_user
-from ..core.auth.oauth import oauth
+from ..core.auth.oauth import oauth, is_adfs_configured
 from ..core.auth.logger import log_security_event
 from ..core.logger import belief_scope
 import starlette.requests
@@ -85,6 +85,11 @@ async def logout(current_user: UserSchema = Depends(get_current_user)):
@router.get("/login/adfs")
 async def login_adfs(request: starlette.requests.Request):
    with belief_scope("api.auth.login_adfs"):
+        if not is_adfs_configured():
+            raise HTTPException(
+                status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
+                detail="ADFS is not configured. Please set ADFS_CLIENT_ID, ADFS_CLIENT_SECRET, and ADFS_METADATA_URL environment variables."
+            )
        redirect_uri = request.url_for('auth_callback_adfs')
        return await oauth.adfs.authorize_redirect(request, str(redirect_uri))
 # [/DEF:login_adfs:Function]
@@ -95,6 +100,11 @@ async def login_adfs(request: starlette.requests.Request):
@router.get("/callback/adfs", name="auth_callback_adfs")
 async def auth_callback_adfs(request: starlette.requests.Request, db: Session = Depends(get_auth_db)):
    with belief_scope("api.auth.callback_adfs"):
+        if not is_adfs_configured():
+            raise HTTPException(
+                status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
+                detail="ADFS is not configured. Please set ADFS_CLIENT_ID, ADFS_CLIENT_SECRET, and ADFS_METADATA_URL environment variables."
+            )
        token = await oauth.adfs.authorize_access_token(request)
        user_info = token.get('userinfo')
        if not user_info:
--- a/backend/src/api/routes/admin.py
+++ b/backend/src/api/routes/admin.py
@@ -22,7 +22,7 @@ from ...schemas.auth import (
 )
 from ...models.auth import User, Role, Permission, ADGroupMapping
 from ...dependencies import has_permission, get_current_user
-from ...core.logger import belief_scope
+from ...core.logger import logger, belief_scope
 # [/SECTION]

 # [DEF:router:Variable]
@@ -126,13 +126,17 @@ async def delete_user(
    _ = Depends(has_permission("admin:users", "WRITE"))
 ):
    with belief_scope("api.admin.delete_user"):
+        logger.info(f"[DEBUG] Attempting to delete user context={{'user_id': '{user_id}'}}")
        repo = AuthRepository(db)
        user = repo.get_user_by_id(user_id)
        if not user:
+            logger.warning(f"[DEBUG] User not found for deletion context={{'user_id': '{user_id}'}}")
            raise HTTPException(status_code=404, detail="User not found")
        
+        logger.info(f"[DEBUG] Found user to delete context={{'username': '{user.username}'}}")
        db.delete(user)
        db.commit()
+        logger.info(f"[DEBUG] Successfully deleted user context={{'user_id': '{user_id}'}}")
        return None
 # [/DEF:delete_user:Function]

--- a/backend/src/api/routes/environments.py
+++ b/backend/src/api/routes/environments.py
@@ -11,7 +11,7 @@
 # [SECTION: IMPORTS]
 from fastapi import APIRouter, Depends, HTTPException
 from typing import List, Dict, Optional
-from ...dependencies import get_config_manager, get_scheduler_service
+from ...dependencies import get_config_manager, get_scheduler_service, has_permission
 from ...core.superset_client import SupersetClient
 from pydantic import BaseModel, Field
 from ...core.config_models import Environment as EnvModel
@@ -47,7 +47,10 @@ class DatabaseResponse(BaseModel):
 # @POST:    Returns a list of EnvironmentResponse objects.
 # @RETURN:  List[EnvironmentResponse]
@router.get("", response_model=List[EnvironmentResponse])
-async def get_environments(config_manager=Depends(get_config_manager)):
+async def get_environments(
+    config_manager=Depends(get_config_manager),
+    _ = Depends(has_permission("environments", "READ"))
+):
    with belief_scope("get_environments"):
        envs = config_manager.get_environments()
    # Ensure envs is a list
@@ -77,7 +80,8 @@ async def update_environment_schedule(
    id: str,
    schedule: ScheduleSchema,
    config_manager=Depends(get_config_manager),
-    scheduler_service=Depends(get_scheduler_service)
+    scheduler_service=Depends(get_scheduler_service),
+    _ = Depends(has_permission("admin:settings", "WRITE"))
 ):
    with belief_scope("update_environment_schedule", f"id={id}"):
        envs = config_manager.get_environments()
@@ -104,7 +108,11 @@ async def update_environment_schedule(
 # @PARAM:   id (str) - The environment ID.
 # @RETURN:  List[Dict] - List of databases.
@router.get("/{id}/databases")
-async def get_environment_databases(id: str, config_manager=Depends(get_config_manager)):
+async def get_environment_databases(
+    id: str,
+    config_manager=Depends(get_config_manager),
+    _ = Depends(has_permission("admin:settings", "READ"))
+):
    with belief_scope("get_environment_databases", f"id={id}"):
        envs = config_manager.get_environments()
    env = next((e for e in envs if e.id == id), None)
--- a/backend/src/api/routes/git.py
+++ b/backend/src/api/routes/git.py
@@ -13,7 +13,7 @@ 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.dependencies import get_config_manager, has_permission
 from src.core.database import get_db
 from src.models.git import GitServerConfig, GitStatus, DeploymentEnvironment, GitRepository
 from src.api.routes.git_schemas import (
@@ -34,7 +34,10 @@ git_service = GitService()
 # @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)):
+async def get_git_configs(
+    db: Session = Depends(get_db),
+    _ = Depends(has_permission("admin:settings", "READ"))
+):
    with belief_scope("get_git_configs"):
        return db.query(GitServerConfig).all()
 # [/DEF:get_git_configs:Function]
@@ -46,7 +49,11 @@ async def get_git_configs(db: Session = Depends(get_db)):
 # @PARAM: config (GitServerConfigCreate)
 # @RETURN: GitServerConfigSchema
@router.post("/config", response_model=GitServerConfigSchema)
-async def create_git_config(config: GitServerConfigCreate, db: Session = Depends(get_db)):
+async def create_git_config(
+    config: GitServerConfigCreate,
+    db: Session = Depends(get_db),
+    _ = Depends(has_permission("admin:settings", "WRITE"))
+):
    with belief_scope("create_git_config"):
        db_config = GitServerConfig(**config.dict())
        db.add(db_config)
@@ -61,7 +68,11 @@ async def create_git_config(config: GitServerConfigCreate, db: Session = Depends
 # @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)):
+async def delete_git_config(
+    config_id: str,
+    db: Session = Depends(get_db),
+    _ = Depends(has_permission("admin:settings", "WRITE"))
+):
    with belief_scope("delete_git_config"):
        db_config = db.query(GitServerConfig).filter(GitServerConfig.id == config_id).first()
        if not db_config:
@@ -78,7 +89,10 @@ async def delete_git_config(config_id: str, db: Session = Depends(get_db)):
 # @POST: Returns success if the connection is validated via GitService.
 # @PARAM: config (GitServerConfigCreate)
@router.post("/config/test")
-async def test_git_config(config: GitServerConfigCreate):
+async def test_git_config(
+    config: GitServerConfigCreate,
+    _ = Depends(has_permission("admin:settings", "READ"))
+):
    with belief_scope("test_git_config"):
        success = await git_service.test_connection(config.provider, config.url, config.pat)
        if success:
@@ -94,7 +108,12 @@ async def test_git_config(config: GitServerConfigCreate):
 # @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)):
+async def init_repository(
+    dashboard_id: int,
+    init_data: RepoInitRequest,
+    db: Session = Depends(get_db),
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("init_repository"):
        # 1. Get config
        config = db.query(GitServerConfig).filter(GitServerConfig.id == init_data.config_id).first()
@@ -138,7 +157,10 @@ async def init_repository(dashboard_id: int, init_data: RepoInitRequest, db: Ses
 # @PARAM: dashboard_id (int)
 # @RETURN: List[BranchSchema]
@router.get("/repositories/{dashboard_id}/branches", response_model=List[BranchSchema])
-async def get_branches(dashboard_id: int):
+async def get_branches(
+    dashboard_id: int,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("get_branches"):
        try:
            return git_service.list_branches(dashboard_id)
@@ -153,7 +175,11 @@ async def get_branches(dashboard_id: int):
 # @PARAM: dashboard_id (int)
 # @PARAM: branch_data (BranchCreate)
@router.post("/repositories/{dashboard_id}/branches")
-async def create_branch(dashboard_id: int, branch_data: BranchCreate):
+async def create_branch(
+    dashboard_id: int,
+    branch_data: BranchCreate,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("create_branch"):
        try:
            git_service.create_branch(dashboard_id, branch_data.name, branch_data.from_branch)
@@ -169,7 +195,11 @@ async def create_branch(dashboard_id: int, branch_data: BranchCreate):
 # @PARAM: dashboard_id (int)
 # @PARAM: checkout_data (BranchCheckout)
@router.post("/repositories/{dashboard_id}/checkout")
-async def checkout_branch(dashboard_id: int, checkout_data: BranchCheckout):
+async def checkout_branch(
+    dashboard_id: int,
+    checkout_data: BranchCheckout,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("checkout_branch"):
        try:
            git_service.checkout_branch(dashboard_id, checkout_data.name)
@@ -185,7 +215,11 @@ async def checkout_branch(dashboard_id: int, checkout_data: BranchCheckout):
 # @PARAM: dashboard_id (int)
 # @PARAM: commit_data (CommitCreate)
@router.post("/repositories/{dashboard_id}/commit")
-async def commit_changes(dashboard_id: int, commit_data: CommitCreate):
+async def commit_changes(
+    dashboard_id: int,
+    commit_data: CommitCreate,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("commit_changes"):
        try:
            git_service.commit_changes(dashboard_id, commit_data.message, commit_data.files)
@@ -200,7 +234,10 @@ async def commit_changes(dashboard_id: int, commit_data: CommitCreate):
 # @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):
+async def push_changes(
+    dashboard_id: int,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("push_changes"):
        try:
            git_service.push_changes(dashboard_id)
@@ -215,7 +252,10 @@ async def push_changes(dashboard_id: int):
 # @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):
+async def pull_changes(
+    dashboard_id: int,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("pull_changes"):
        try:
            git_service.pull_changes(dashboard_id)
@@ -231,7 +271,11 @@ async def pull_changes(dashboard_id: int):
 # @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):
+async def sync_dashboard(
+    dashboard_id: int,
+    source_env_id: typing.Optional[str] = None,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("sync_dashboard"):
        try:
            from src.plugins.git_plugin import GitPlugin
@@ -251,7 +295,10 @@ async def sync_dashboard(dashboard_id: int, source_env_id: typing.Optional[str]
 # @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)):
+async def get_environments(
+    config_manager=Depends(get_config_manager),
+    _ = Depends(has_permission("environments", "READ"))
+):
    with belief_scope("get_environments"):
        envs = config_manager.get_environments()
        return [
@@ -271,7 +318,11 @@ async def get_environments(config_manager=Depends(get_config_manager)):
 # @PARAM: dashboard_id (int)
 # @PARAM: deploy_data (DeployRequest)
@router.post("/repositories/{dashboard_id}/deploy")
-async def deploy_dashboard(dashboard_id: int, deploy_data: DeployRequest):
+async def deploy_dashboard(
+    dashboard_id: int,
+    deploy_data: DeployRequest,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("deploy_dashboard"):
        try:
            from src.plugins.git_plugin import GitPlugin
@@ -293,7 +344,11 @@ async def deploy_dashboard(dashboard_id: int, deploy_data: DeployRequest):
 # @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):
+async def get_history(
+    dashboard_id: int,
+    limit: int = 50,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("get_history"):
        try:
            return git_service.get_commit_history(dashboard_id, limit)
@@ -308,7 +363,10 @@ async def get_history(dashboard_id: int, limit: int = 50):
 # @PARAM: dashboard_id (int)
 # @RETURN: dict
@router.get("/repositories/{dashboard_id}/status")
-async def get_repository_status(dashboard_id: int):
+async def get_repository_status(
+    dashboard_id: int,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("get_repository_status"):
        try:
            return git_service.get_status(dashboard_id)
@@ -325,7 +383,12 @@ async def get_repository_status(dashboard_id: int):
 # @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):
+async def get_repository_diff(
+    dashboard_id: int,
+    file_path: Optional[str] = None,
+    staged: bool = False,
+    _ = Depends(has_permission("plugin:git", "EXECUTE"))
+):
    with belief_scope("get_repository_diff"):
        try:
            diff_text = git_service.get_diff(dashboard_id, file_path, staged)
--- a/backend/src/api/routes/mappings.py
+++ b/backend/src/api/routes/mappings.py
@@ -14,7 +14,7 @@ from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy.orm import Session
 from typing import List, Optional
 from ...core.logger import belief_scope
-from ...dependencies import get_config_manager
+from ...dependencies import get_config_manager, has_permission
 from ...core.database import get_db
 from ...models.mapping import DatabaseMapping
 from pydantic import BaseModel
@@ -60,7 +60,8 @@ class SuggestRequest(BaseModel):
 async def get_mappings(
    source_env_id: Optional[str] = None,
    target_env_id: Optional[str] = None,
-    db: Session = Depends(get_db)
+    db: Session = Depends(get_db),
+    _ = Depends(has_permission("plugin:mapper", "EXECUTE"))
 ):
    with belief_scope("get_mappings"):
        query = db.query(DatabaseMapping)
@@ -76,7 +77,11 @@ async def get_mappings(
 # @PRE:     mapping is valid MappingCreate, db session is injected.
 # @POST:    DatabaseMapping created or updated in database.
@router.post("", response_model=MappingResponse)
-async def create_mapping(mapping: MappingCreate, db: Session = Depends(get_db)):
+async def create_mapping(
+    mapping: MappingCreate,
+    db: Session = Depends(get_db),
+    _ = Depends(has_permission("plugin:mapper", "EXECUTE"))
+):
    with belief_scope("create_mapping"):
        # Check if mapping already exists
        existing = db.query(DatabaseMapping).filter(
@@ -106,10 +111,11 @@ async def create_mapping(mapping: MappingCreate, db: Session = Depends(get_db)):
@router.post("/suggest")
 async def suggest_mappings_api(
    request: SuggestRequest,
-    config_manager=Depends(get_config_manager)
+    config_manager=Depends(get_config_manager),
+    _ = Depends(has_permission("plugin:mapper", "EXECUTE"))
 ):
    with belief_scope("suggest_mappings_api"):
-        from backend.src.services.mapping_service import MappingService
+        from ...services.mapping_service import MappingService
        service = MappingService(config_manager)
        try:
            return await service.get_suggestions(request.source_env_id, request.target_env_id)
--- a/backend/src/api/routes/migration.py
+++ b/backend/src/api/routes/migration.py
@@ -7,7 +7,7 @@

 from fastapi import APIRouter, Depends, HTTPException
 from typing import List, Dict
-from ...dependencies import get_config_manager, get_task_manager
+from ...dependencies import get_config_manager, get_task_manager, has_permission
 from ...models.dashboard import DashboardMetadata, DashboardSelection
 from ...core.superset_client import SupersetClient
 from ...core.logger import belief_scope
@@ -21,7 +21,11 @@ router = APIRouter(prefix="/api", tags=["migration"])
 # @PARAM:   env_id (str) - The ID of the environment to fetch from.
 # @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)):
+async def get_dashboards(
+    env_id: str,
+    config_manager=Depends(get_config_manager),
+    _ = Depends(has_permission("plugin:migration", "EXECUTE"))
+):
    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)
@@ -40,7 +44,12 @@ async def get_dashboards(env_id: str, config_manager=Depends(get_config_manager)
 # @PARAM:   selection (DashboardSelection) - The dashboards to migrate.
 # @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)):
+async def execute_migration(
+    selection: DashboardSelection,
+    config_manager=Depends(get_config_manager),
+    task_manager=Depends(get_task_manager),
+    _ = Depends(has_permission("plugin:migration", "EXECUTE"))
+):
    with belief_scope("execute_migration"):
        # Validate environments exist
        environments = config_manager.get_environments()
--- a/backend/src/api/routes/plugins.py
+++ b/backend/src/api/routes/plugins.py
@@ -7,7 +7,7 @@ from typing import List
 from fastapi import APIRouter, Depends

 from ...core.plugin_base import PluginConfig
-from ...dependencies import get_plugin_loader
+from ...dependencies import get_plugin_loader, has_permission
 from ...core.logger import belief_scope

 router = APIRouter()
@@ -19,7 +19,8 @@ router = APIRouter()
 # @RETURN: List[PluginConfig] - List of registered plugins.
@router.get("", response_model=List[PluginConfig])
 async def list_plugins(
-    plugin_loader = Depends(get_plugin_loader)
+    plugin_loader = Depends(get_plugin_loader),
+    _ = Depends(has_permission("plugins", "READ"))
 ):
    with belief_scope("list_plugins"):
        """
--- a/backend/src/api/routes/settings.py
+++ b/backend/src/api/routes/settings.py
@@ -31,7 +31,7 @@ router = APIRouter()
@router.get("", response_model=AppConfig)
 async def get_settings(
    config_manager: ConfigManager = Depends(get_config_manager),
-    _ = Depends(has_permission("settings", "READ"))
+    _ = Depends(has_permission("admin:settings", "READ"))
 ):
    with belief_scope("get_settings"):
        logger.info("[get_settings][Entry] Fetching all settings")
@@ -53,7 +53,7 @@ async def get_settings(
 async def update_global_settings(
    settings: GlobalSettings,
    config_manager: ConfigManager = Depends(get_config_manager),
-    _ = Depends(has_permission("settings", "WRITE"))
+    _ = Depends(has_permission("admin:settings", "WRITE"))
 ):
    with belief_scope("update_global_settings"):
        logger.info("[update_global_settings][Entry] Updating global settings")
@@ -68,7 +68,7 @@ async def update_global_settings(
@router.get("/storage", response_model=StorageConfig)
 async def get_storage_settings(
    config_manager: ConfigManager = Depends(get_config_manager),
-    _ = Depends(has_permission("settings", "READ"))
+    _ = Depends(has_permission("admin:settings", "READ"))
 ):
    with belief_scope("get_storage_settings"):
        return config_manager.get_config().settings.storage
@@ -83,7 +83,7 @@ async def get_storage_settings(
 async def update_storage_settings(
    storage: StorageConfig,
    config_manager: ConfigManager = Depends(get_config_manager),
-    _ = Depends(has_permission("settings", "WRITE"))
+    _ = Depends(has_permission("admin:settings", "WRITE"))
 ):
    with belief_scope("update_storage_settings"):
        is_valid, message = config_manager.validate_path(storage.root_path)
@@ -104,7 +104,7 @@ async def update_storage_settings(
@router.get("/environments", response_model=List[Environment])
 async def get_environments(
    config_manager: ConfigManager = Depends(get_config_manager),
-    _ = Depends(has_permission("settings", "READ"))
+    _ = Depends(has_permission("admin:settings", "READ"))
 ):
    with belief_scope("get_environments"):
        logger.info("[get_environments][Entry] Fetching environments")
@@ -121,7 +121,7 @@ async def get_environments(
 async def add_environment(
    env: Environment,
    config_manager: ConfigManager = Depends(get_config_manager),
-    _ = Depends(has_permission("settings", "WRITE"))
+    _ = Depends(has_permission("admin:settings", "WRITE"))
 ):
    with belief_scope("add_environment"):
        logger.info(f"[add_environment][Entry] Adding environment {env.id}")
--- a/backend/src/api/routes/storage.py
+++ b/backend/src/api/routes/storage.py
@@ -8,11 +8,12 @@
 # @INVARIANT: All paths must be validated against path traversal.

 # [SECTION: IMPORTS]
+from pathlib import Path
 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 ...dependencies import get_plugin_loader, has_permission
 from ...plugins.storage.plugin import StoragePlugin
 from ...core.logger import belief_scope
 # [/SECTION]
@@ -34,7 +35,8 @@ router = APIRouter(tags=["storage"])
 async def list_files(
    category: Optional[FileCategory] = None,
    path: Optional[str] = None,
-    plugin_loader=Depends(get_plugin_loader)
+    plugin_loader=Depends(get_plugin_loader),
+    _ = Depends(has_permission("plugin:storage", "READ"))
 ):
    with belief_scope("list_files"):
        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
@@ -63,7 +65,8 @@ async def upload_file(
    category: FileCategory = Form(...),
    path: Optional[str] = Form(None),
    file: UploadFile = File(...),
-    plugin_loader=Depends(get_plugin_loader)
+    plugin_loader=Depends(get_plugin_loader),
+    _ = Depends(has_permission("plugin:storage", "WRITE"))
 ):
    with belief_scope("upload_file"):
        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
@@ -89,7 +92,12 @@ async def upload_file(
 #
 # @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)):
+async def delete_file(
+    category: FileCategory,
+    path: str,
+    plugin_loader=Depends(get_plugin_loader),
+    _ = Depends(has_permission("plugin:storage", "WRITE"))
+):
    with belief_scope("delete_file"):
        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
        if not storage_plugin:
@@ -114,7 +122,12 @@ async def delete_file(category: FileCategory, path: str, plugin_loader=Depends(g
 #
 # @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)):
+async def download_file(
+    category: FileCategory,
+    path: str,
+    plugin_loader=Depends(get_plugin_loader),
+    _ = Depends(has_permission("plugin:storage", "READ"))
+):
    with belief_scope("download_file"):
        storage_plugin: StoragePlugin = plugin_loader.get_plugin("storage-manager")
        if not storage_plugin:
--- a/backend/src/api/routes/tasks.py
+++ b/backend/src/api/routes/tasks.py
@@ -64,7 +64,8 @@ async def list_tasks(
    limit: int = 10,
    offset: int = 0,
    status: Optional[TaskStatus] = None,
-    task_manager: TaskManager = Depends(get_task_manager)
+    task_manager: TaskManager = Depends(get_task_manager),
+    _ = Depends(has_permission("tasks", "READ"))
 ):
    """
    Retrieve a list of tasks with pagination and optional status filter.
@@ -83,7 +84,8 @@ async def list_tasks(
 # @RETURN: Task - The task details.
 async def get_task(
    task_id: str,
-    task_manager: TaskManager = Depends(get_task_manager)
+    task_manager: TaskManager = Depends(get_task_manager),
+    _ = Depends(has_permission("tasks", "READ"))
 ):
    """
    Retrieve the details of a specific task.
@@ -105,7 +107,8 @@ async def get_task(
 # @RETURN: List[LogEntry] - List of log entries.
 async def get_task_logs(
    task_id: str,
-    task_manager: TaskManager = Depends(get_task_manager)
+    task_manager: TaskManager = Depends(get_task_manager),
+    _ = Depends(has_permission("tasks", "READ"))
 ):
    """
    Retrieve logs for a specific task.
@@ -129,7 +132,8 @@ async def get_task_logs(
 async def resolve_task(
    task_id: str,
    request: ResolveTaskRequest,
-    task_manager: TaskManager = Depends(get_task_manager)
+    task_manager: TaskManager = Depends(get_task_manager),
+    _ = Depends(has_permission("tasks", "WRITE"))
 ):
    """
    Resolve a task that is awaiting mapping.
@@ -154,7 +158,8 @@ async def resolve_task(
 async def resume_task(
    task_id: str,
    request: ResumeTaskRequest,
-    task_manager: TaskManager = Depends(get_task_manager)
+    task_manager: TaskManager = Depends(get_task_manager),
+    _ = Depends(has_permission("tasks", "WRITE"))
 ):
    """
    Resume a task that is awaiting input (e.g., passwords).
@@ -176,7 +181,8 @@ async def resume_task(
 # @POST: Tasks are removed from memory/persistence.
 async def clear_tasks(
    status: Optional[TaskStatus] = None,
-    task_manager: TaskManager = Depends(get_task_manager)
+    task_manager: TaskManager = Depends(get_task_manager),
+    _ = Depends(has_permission("tasks", "WRITE"))
 ):
    """
    Clear tasks matching the status filter. If no filter, clears all non-running tasks.
--- a/backend/src/core/auth/oauth.py
+++ b/backend/src/core/auth/oauth.py
@@ -35,6 +35,16 @@ def register_adfs():
        )
 # [/DEF:register_adfs:Function]

+# [DEF:is_adfs_configured:Function]
+# @PURPOSE: Checks if ADFS is properly configured.
+# @PRE:     None.
+# @POST:    Returns True if ADFS client is registered, False otherwise.
+# @RETURN:  bool - Configuration status.
+def is_adfs_configured() -> bool:
+    """Check if ADFS OAuth client is registered."""
+    return 'adfs' in oauth._registry
+# [/DEF:is_adfs_configured:Function]
+
 # Initial registration
 register_adfs()

--- a/backend/src/dependencies.py
+++ b/backend/src/dependencies.py
@@ -86,7 +86,7 @@ def get_scheduler_service() -> SchedulerService:

 # [DEF:oauth2_scheme:Variable]
 # @PURPOSE: OAuth2 password bearer scheme for token extraction.
-oauth2_scheme = OAuth2PasswordBearer(tokenUrl="api/auth/login")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
 # [/DEF:oauth2_scheme:Variable]

 # [DEF:get_current_user:Function]
--- a/backend/src/models/auth.py
+++ b/backend/src/models/auth.py
@@ -95,7 +95,7 @@ class ADGroupMapping(Base):
    __tablename__ = "ad_group_mappings"
    
    id = Column(String, primary_key=True, default=generate_uuid)
-    ad_group_name = Column(String, unique=True, index=True, nullable=False)
+    ad_group = Column(String, unique=True, index=True, nullable=False)
    role_id = Column(String, ForeignKey("roles.id"), nullable=False)
    
    role = relationship("Role")
--- a/backend/src/plugins/migration.py
+++ b/backend/src/plugins/migration.py
@@ -303,9 +303,9 @@ class MigrationPlugin(PluginBase):
                
                try:
                    exported_content, _ = from_c.export_dashboard(dash_id)
-                    with create_temp_file(content=exported_content, dry_run=True, suffix=".zip", logger=logger) as tmp_zip_path:
+                    with create_temp_file(content=exported_content, dry_run=True, suffix=".zip") as tmp_zip_path:
                        # Always transform to strip databases to avoid password errors
-                        with create_temp_file(suffix=".zip", dry_run=True, logger=logger) as tmp_new_zip:
+                        with create_temp_file(suffix=".zip", dry_run=True) as tmp_new_zip:
                            success = engine.transform_zip(str(tmp_zip_path), str(tmp_new_zip), db_mapping, strip_databases=False)
                            
                            if not success and replace_db_config:
--- a/backend/src/scripts/seed_permissions.py
+++ b/backend/src/scripts/seed_permissions.py
@@ -16,7 +16,8 @@ from pathlib import Path
 sys.path.append(str(Path(__file__).parent.parent.parent))

 from src.core.database import AuthSessionLocal
-from src.models.auth import Permission
+from src.models.auth import Permission, Role
+from src.core.auth.repository import AuthRepository
 from src.core.logger import logger, belief_scope
 # [/SECTION]

@@ -29,6 +30,10 @@ INITIAL_PERMISSIONS = [
    {"resource": "admin:roles", "action": "WRITE"},
    {"resource": "admin:settings", "action": "READ"},
    {"resource": "admin:settings", "action": "WRITE"},
+    {"resource": "environments", "action": "READ"},
+    {"resource": "plugins", "action": "READ"},
+    {"resource": "tasks", "action": "READ"},
+    {"resource": "tasks", "action": "WRITE"},
    
    # Plugin Permissions
    {"resource": "plugin:backup", "action": "EXECUTE"},
@@ -37,6 +42,8 @@ INITIAL_PERMISSIONS = [
    {"resource": "plugin:search", "action": "EXECUTE"},
    {"resource": "plugin:git", "action": "EXECUTE"},
    {"resource": "plugin:storage", "action": "EXECUTE"},
+    {"resource": "plugin:storage", "action": "READ"},
+    {"resource": "plugin:storage", "action": "WRITE"},
    {"resource": "plugin:debug", "action": "EXECUTE"},
 ]
 # [/DEF:INITIAL_PERMISSIONS:Constant]
@@ -66,6 +73,36 @@ def seed_permissions():
            
            db.commit()
            logger.info(f"Seeding completed. Added {count} new permissions.")
+
+            # Assign permissions to User role
+            repo = AuthRepository(db)
+            user_role = repo.get_role_by_name("User")
+            if not user_role:
+                user_role = Role(name="User", description="Standard user with plugin access")
+                db.add(user_role)
+                db.flush()
+            
+            user_permissions = [
+                ("plugin:mapper", "EXECUTE"),
+                ("plugin:migration", "EXECUTE"),
+                ("plugin:backup", "EXECUTE"),
+                ("plugin:git", "EXECUTE"),
+                ("plugin:storage", "READ"),
+                ("plugin:storage", "WRITE"),
+                ("environments", "READ"),
+                ("plugins", "READ"),
+                ("tasks", "READ"),
+                ("tasks", "WRITE"),
+            ]
+
+            for res, act in user_permissions:
+                perm = repo.get_permission_by_resource_action(res, act)
+                if perm and perm not in user_role.permissions:
+                    user_role.permissions.append(perm)
+            
+            db.commit()
+            logger.info("User role permissions updated.")
+
        except Exception as e:
            logger.error(f"Failed to seed permissions: {e}")
            db.rollback()
--- a/backend/src/services/auth_service.py
+++ b/backend/src/services/auth_service.py
@@ -101,7 +101,7 @@ class AuthService:
            # Update roles based on group mappings
            from ..models.auth import ADGroupMapping
            mapped_roles = self.repo.db.query(Role).join(ADGroupMapping).filter(
-                ADGroupMapping.ad_group_name.in_(ad_groups)
+                ADGroupMapping.ad_group.in_(ad_groups)
            ).all()
            
            user.roles = mapped_roles
--- a/backend/src/services/mapping_service.py
+++ b/backend/src/services/mapping_service.py
@@ -10,9 +10,9 @@

 # [SECTION: IMPORTS]
 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 ..core.logger import belief_scope
+from ..core.superset_client import SupersetClient
+from ..core.utils.matching import suggest_mappings
 # [/SECTION]

 # [DEF:MappingService:Class]
--- a/backend/tasks.db
+++ b/backend/tasks.db
--- a/backend/tests/test_auth.py
+++ b/backend/tests/test_auth.py
@@ -0,0 +1,162 @@
+import sys
+import os
+from pathlib import Path
+
+# Add src to path
+sys.path.append(str(Path(__file__).parent.parent / "src"))
+
+import pytest
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from src.core.database import Base, get_auth_db
+from src.models.auth import User, Role, Permission, ADGroupMapping
+from src.services.auth_service import AuthService
+from src.core.auth.repository import AuthRepository
+from src.core.auth.security import verify_password, get_password_hash
+
+# Create in-memory SQLite database for testing
+SQLALCHEMY_DATABASE_URL = "sqlite:///:memory:"
+
+engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
+TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# Create all tables
+Base.metadata.create_all(bind=engine)
+
+@pytest.fixture
+def db_session():
+    """Create a new database session with a transaction, rollback after test"""
+    connection = engine.connect()
+    transaction = connection.begin()
+    session = TestingSessionLocal(bind=connection)
+    
+    yield session
+    
+    session.close()
+    transaction.rollback()
+    connection.close()
+
+@pytest.fixture
+def auth_service(db_session):
+    return AuthService(db_session)
+
+@pytest.fixture
+def auth_repo(db_session):
+    return AuthRepository(db_session)
+
+def test_create_user(auth_repo):
+    """Test user creation"""
+    user = User(
+        username="testuser",
+        email="test@example.com",
+        password_hash=get_password_hash("testpassword123"),
+        auth_source="LOCAL"
+    )
+    
+    auth_repo.db.add(user)
+    auth_repo.db.commit()
+    
+    retrieved_user = auth_repo.get_user_by_username("testuser")
+    assert retrieved_user is not None
+    assert retrieved_user.username == "testuser"
+    assert retrieved_user.email == "test@example.com"
+    assert verify_password("testpassword123", retrieved_user.password_hash)
+
+def test_authenticate_user(auth_service, auth_repo):
+    """Test user authentication with valid and invalid credentials"""
+    user = User(
+        username="testuser",
+        email="test@example.com",
+        password_hash=get_password_hash("testpassword123"),
+        auth_source="LOCAL"
+    )
+    
+    auth_repo.db.add(user)
+    auth_repo.db.commit()
+    
+    # Test valid credentials
+    authenticated_user = auth_service.authenticate_user("testuser", "testpassword123")
+    assert authenticated_user is not None
+    assert authenticated_user.username == "testuser"
+    
+    # Test invalid password
+    invalid_user = auth_service.authenticate_user("testuser", "wrongpassword")
+    assert invalid_user is None
+    
+    # Test invalid username
+    invalid_user = auth_service.authenticate_user("nonexistent", "testpassword123")
+    assert invalid_user is None
+
+def test_create_session(auth_service, auth_repo):
+    """Test session token creation"""
+    user = User(
+        username="testuser",
+        email="test@example.com",
+        password_hash=get_password_hash("testpassword123"),
+        auth_source="LOCAL"
+    )
+    
+    auth_repo.db.add(user)
+    auth_repo.db.commit()
+    
+    session = auth_service.create_session(user)
+    assert "access_token" in session
+    assert "token_type" in session
+    assert session["token_type"] == "bearer"
+    assert len(session["access_token"]) > 0
+
+def test_role_permission_association(auth_repo):
+    """Test role and permission association"""
+    role = Role(name="Admin", description="System administrator")
+    perm1 = Permission(resource="admin:users", action="READ")
+    perm2 = Permission(resource="admin:users", action="WRITE")
+    
+    role.permissions.extend([perm1, perm2])
+    
+    auth_repo.db.add(role)
+    auth_repo.db.commit()
+    
+    retrieved_role = auth_repo.get_role_by_name("Admin")
+    assert retrieved_role is not None
+    assert len(retrieved_role.permissions) == 2
+    
+    permissions = [f"{p.resource}:{p.action}" for p in retrieved_role.permissions]
+    assert "admin:users:READ" in permissions
+    assert "admin:users:WRITE" in permissions
+
+def test_user_role_association(auth_repo):
+    """Test user and role association"""
+    role = Role(name="Admin", description="System administrator")
+    user = User(
+        username="adminuser",
+        email="admin@example.com",
+        password_hash=get_password_hash("adminpass123"),
+        auth_source="LOCAL"
+    )
+    
+    user.roles.append(role)
+    
+    auth_repo.db.add(role)
+    auth_repo.db.add(user)
+    auth_repo.db.commit()
+    
+    retrieved_user = auth_repo.get_user_by_username("adminuser")
+    assert retrieved_user is not None
+    assert len(retrieved_user.roles) == 1
+    assert retrieved_user.roles[0].name == "Admin"
+
+def test_ad_group_mapping(auth_repo):
+    """Test AD group mapping"""
+    role = Role(name="ADFS_Admin", description="ADFS administrators")
+    
+    auth_repo.db.add(role)
+    auth_repo.db.commit()
+    
+    mapping = ADGroupMapping(ad_group="DOMAIN\\ADFS_Admins", role_id=role.id)
+    
+    auth_repo.db.add(mapping)
+    auth_repo.db.commit()
+    
+    retrieved_mapping = auth_repo.db.query(ADGroupMapping).filter_by(ad_group="DOMAIN\\ADFS_Admins").first()
+    assert retrieved_mapping is not None
+    assert retrieved_mapping.role_id == role.id
--- a/frontend/src/components/TaskHistory.svelte
+++ b/frontend/src/components/TaskHistory.svelte
@@ -21,7 +21,9 @@
    // @POST: tasks array is updated and selectedTask status synchronized.
    async function fetchTasks() {
        try {
-            const res = await fetch('/api/tasks?limit=10');
+            const token = localStorage.getItem('auth_token');
+            const headers = token ? { 'Authorization': `Bearer ${token}` } : {};
+            const res = await fetch('/api/tasks?limit=10', { headers });
            if (!res.ok) throw new Error('Failed to fetch tasks');
            tasks = await res.json();

@@ -58,7 +60,9 @@
            const params = new URLSearchParams();
            if (status) params.append('status', status);
            
-            const res = await fetch(`${url}?${params.toString()}`, { method: 'DELETE' });
+            const token = localStorage.getItem('auth_token');
+            const headers = token ? { 'Authorization': `Bearer ${token}` } : {};
+            const res = await fetch(`${url}?${params.toString()}`, { method: 'DELETE', headers });
            if (!res.ok) throw new Error('Failed to clear tasks');
            
            await fetchTasks();
@@ -75,7 +79,9 @@
    async function selectTask(task) {
        try {
            // Fetch the full task details (including logs) before setting it as selected
-            const res = await fetch(`/api/tasks/${task.id}`);
+            const token = localStorage.getItem('auth_token');
+            const headers = token ? { 'Authorization': `Bearer ${token}` } : {};
+            const res = await fetch(`/api/tasks/${task.id}`, { headers });
            if (res.ok) {
                const fullTask = await res.json();
                selectedTask.set(fullTask);
--- a/frontend/src/components/tools/DebugTool.svelte
+++ b/frontend/src/components/tools/DebugTool.svelte
@@ -8,6 +8,7 @@
 <script>
    // [SECTION: IMPORTS]
    import { onMount } from 'svelte';
+    import { api } from '../../lib/api.js';
    import { runTask, getTaskStatus } from '../../services/toolsService.js';
    import { selectedTask } from '../../lib/stores.js';
    import { addToast } from '../../lib/toasts.js';
@@ -32,8 +33,7 @@
     */
    async function fetchEnvironments() {
        try {
-            const res = await fetch('/api/environments');
-            envs = await res.json();
+            envs = await api.getEnvironmentsList();
        } catch (e) {
            addToast('Failed to fetch environments', 'error');
        }
--- a/frontend/src/lib/api.js
+++ b/frontend/src/lib/api.js
@@ -53,9 +53,15 @@ async function fetchApi(endpoint) {
        const response = await fetch(`${API_BASE_URL}${endpoint}`, {
            headers: getAuthHeaders()
        });
+        console.log(`[api.fetchApi][Action] Received response context={{'status': ${response.status}, 'ok': ${response.ok}}}`);
        if (!response.ok) {
-            throw new Error(`API request failed with status ${response.status}`);
+            const errorData = await response.json().catch(() => ({}));
+            const message = errorData.detail
+                ? (typeof errorData.detail === 'string' ? errorData.detail : JSON.stringify(errorData.detail))
+                : `API request failed with status ${response.status}`;
+            throw new Error(message);
        }
+        if (response.status === 204) return null;
        return await response.json();
    } catch (error) {
        console.error(`[api.fetchApi][Coherence:Failed] Error fetching from ${endpoint}:`, error);
@@ -80,9 +86,15 @@ async function postApi(endpoint, body) {
            headers: getAuthHeaders(),
            body: JSON.stringify(body),
        });
+        console.log(`[api.postApi][Action] Received response context={{'status': ${response.status}, 'ok': ${response.ok}}}`);
        if (!response.ok) {
-            throw new Error(`API request failed with status ${response.status}`);
+            const errorData = await response.json().catch(() => ({}));
+            const message = errorData.detail
+                ? (typeof errorData.detail === 'string' ? errorData.detail : JSON.stringify(errorData.detail))
+                : `API request failed with status ${response.status}`;
+            throw new Error(message);
        }
+        if (response.status === 204) return null;
        return await response.json();
    } catch (error) {
        console.error(`[api.postApi][Coherence:Failed] Error posting to ${endpoint}:`, error);
@@ -107,13 +119,19 @@ async function requestApi(endpoint, method = 'GET', body = null) {
            options.body = JSON.stringify(body);
        }
        const response = await fetch(`${API_BASE_URL}${endpoint}`, options);
+        console.log(`[api.requestApi][Action] Received response context={{'status': ${response.status}, 'ok': ${response.ok}}}`);
        if (!response.ok) {
            const errorData = await response.json().catch(() => ({}));
            const message = errorData.detail
                ? (typeof errorData.detail === 'string' ? errorData.detail : JSON.stringify(errorData.detail))
                : `API request failed with status ${response.status}`;
+            console.error(`[api.requestApi][Action] Request failed context={{'status': ${response.status}, 'message': '${message}'}}`);
            throw new Error(message);
        }
+        if (response.status === 204) {
+            console.log('[api.requestApi][Action] 204 No Content received');
+            return null;
+        }
        return await response.json();
    } catch (error) {
        console.error(`[api.requestApi][Coherence:Failed] Error ${method} to ${endpoint}:`, error);
--- a/frontend/src/routes/admin/users/+page.svelte
+++ b/frontend/src/routes/admin/users/+page.svelte
@@ -21,6 +21,7 @@
  let roles = [];
  let loading = true;
  let error = null;
+  let deletingUserId = null;

  let showModal = false;
  let isEditing = false;
@@ -130,9 +131,11 @@
   * @param   {Object} user - The user to delete.
   */
  async function handleDeleteUser(user) {
+    if (deletingUserId) return;
    if (!confirm($t.admin.users.confirm_delete.replace('{username}', user.username))) return;
    
    console.log('[AdminUsersPage][handleDeleteUser][Entry]');
+    deletingUserId = user.id;
    try {
      await adminService.deleteUser(user.id);
      await loadData();
@@ -140,6 +143,8 @@
    } catch (e) {
      alert("Failed to delete user: " + e.message);
      console.error('[AdminUsersPage][handleDeleteUser][Coherence:Failed]', e);
+    } finally {
+      deletingUserId = null;
    }
  }
  // [/DEF:handleDeleteUser:Function]
@@ -208,8 +213,14 @@
                  </span>
                </td>
                <td class="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
-                  <button on:click={() => openEditModal(user)} class="text-blue-600 hover:text-blue-900 mr-3">{$t.common.edit}</button>
-                  <button on:click={() => handleDeleteUser(user)} class="text-red-600 hover:text-red-900">{$t.common.delete}</button>
+                  <button on:click={() => openEditModal(user)} class="text-blue-600 hover:text-blue-900 mr-3" disabled={deletingUserId === user.id}>{$t.common.edit}</button>
+                  <button
+                    on:click={() => handleDeleteUser(user)}
+                    class="text-red-600 hover:text-red-900 disabled:opacity-50"
+                    disabled={deletingUserId === user.id}
+                  >
+                    {deletingUserId === user.id ? ($t.common.deleting || 'Deleting...') : $t.common.delete}
+                  </button>
                </td>
              </tr>
            {/each}
--- a/frontend/src/routes/git/+page.svelte
+++ b/frontend/src/routes/git/+page.svelte
@@ -8,6 +8,7 @@
  import { onMount } from 'svelte';
  import DashboardGrid from '../../components/DashboardGrid.svelte';
  import { addToast as toast } from '../../lib/toasts.js';
+  import { api } from '../../lib/api.js';
  import type { DashboardMetadata } from '../../types/dashboard';
  import { t } from '$lib/i18n';
  import { Button, Card, PageHeader, Select } from '$lib/ui';
@@ -24,9 +25,7 @@
  // @POST: `environments` array is populated with data from /api/environments.
  async function fetchEnvironments() {
    try {
-      const response = await fetch('/api/environments');
-      if (!response.ok) throw new Error('Failed to fetch environments');
-      environments = await response.json();
+      environments = await api.getEnvironmentsList();
      if (environments.length > 0) {
        selectedEnvId = environments[0].id;
      }
@@ -46,9 +45,7 @@
    if (!envId) return;
    fetchingDashboards = true;
    try {
-      const response = await fetch(`/api/environments/${envId}/dashboards`);
-      if (!response.ok) throw new Error('Failed to fetch dashboards');
-      dashboards = await response.json();
+      dashboards = await api.requestApi(`/environments/${envId}/dashboards`);
    } catch (e) {
      toast(e.message, 'error');
      dashboards = [];
--- a/frontend/src/routes/migration/+page.svelte
+++ b/frontend/src/routes/migration/+page.svelte
@@ -18,6 +18,7 @@
  import TaskHistory from '../../components/TaskHistory.svelte';
  import TaskLogViewer from '../../components/TaskLogViewer.svelte';
  import PasswordPrompt from '../../components/PasswordPrompt.svelte';
+  import { api } from '../../lib/api.js';
  import { selectedTask } from '../../lib/stores.js';
  import { resumeTask } from '../../services/taskService.js';
  import type { DashboardMetadata, DashboardSelection } from '../../types/dashboard';
@@ -58,9 +59,7 @@
   */
  async function fetchEnvironments() {
    try {
-      const response = await fetch('/api/environments');
-      if (!response.ok) throw new Error('Failed to fetch environments');
-      environments = await response.json();
+      environments = await api.getEnvironmentsList();
    } catch (e) {
      error = e.message;
    } finally {
@@ -78,9 +77,7 @@
   */
  async function fetchDashboards(envId: string) {
    try {
-      const response = await fetch(`/api/environments/${envId}/dashboards`);
-      if (!response.ok) throw new Error('Failed to fetch dashboards');
-      dashboards = await response.json();
+      dashboards = await api.requestApi(`/environments/${envId}/dashboards`);
      selectedDashboardIds = []; // Reset selection when env changes
    } catch (e) {
      error = e.message;
@@ -106,23 +103,17 @@
    error = "";
    
    try {
-      const [srcRes, tgtRes, mapRes, sugRes] = await Promise.all([
-        fetch(`/api/environments/${sourceEnvId}/databases`),
-        fetch(`/api/environments/${targetEnvId}/databases`),
-        fetch(`/api/mappings?source_env_id=${sourceEnvId}&target_env_id=${targetEnvId}`),
-        fetch(`/api/mappings/suggest`, {
-          method: 'POST',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ source_env_id: sourceEnvId, target_env_id: targetEnvId })
-        })
+      const [src, tgt, maps, sugs] = await Promise.all([
+        api.requestApi(`/environments/${sourceEnvId}/databases`),
+        api.requestApi(`/environments/${targetEnvId}/databases`),
+        api.requestApi(`/mappings?source_env_id=${sourceEnvId}&target_env_id=${targetEnvId}`),
+        api.postApi(`/mappings/suggest`, { source_env_id: sourceEnvId, target_env_id: targetEnvId })
      ]);

-      if (!srcRes.ok || !tgtRes.ok) throw new Error('Failed to fetch databases from environments');
-      
-      sourceDatabases = await srcRes.json();
-      targetDatabases = await tgtRes.json();
-      mappings = await mapRes.json();
-      suggestions = await sugRes.json();
+      sourceDatabases = src;
+      targetDatabases = tgt;
+      mappings = maps;
+      suggestions = sugs;
    } catch (e) {
      error = e.message;
    } finally {
@@ -145,22 +136,15 @@
    if (!sDb || !tDb) return;

    try {
-      const response = await fetch('/api/mappings', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
-          source_env_id: sourceEnvId,
-          target_env_id: targetEnvId,
-          source_db_uuid: sourceUuid,
-          target_db_uuid: targetUuid,
-          source_db_name: sDb.database_name,
-          target_db_name: tDb.database_name
-        })
+      const savedMapping = await api.postApi('/mappings', {
+        source_env_id: sourceEnvId,
+        target_env_id: targetEnvId,
+        source_db_uuid: sourceUuid,
+        target_db_uuid: targetUuid,
+        source_db_name: sDb.database_name,
+        target_db_name: tDb.database_name
      });

-      if (!response.ok) throw new Error('Failed to save mapping');
-      
-      const savedMapping = await response.json();
      mappings = [...mappings.filter(m => m.source_db_uuid !== sourceUuid), savedMapping];
    } catch (e) {
      error = e.message;
@@ -253,14 +237,7 @@
        replace_db_config: replaceDb
      };
      console.log(`[MigrationDashboard][Action] Starting migration with selection:`, selection);
-      const response = await fetch('/api/migration/execute', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify(selection)
-      });
-      console.log(`[MigrationDashboard][Action] API response status: ${response.status}`);
-      if (!response.ok) throw new Error(`Failed to start migration: ${response.status} ${response.statusText}`);
-      const result = await response.json();
+      const result = await api.postApi('/migration/execute', selection);
      console.log(`[MigrationDashboard][Action] Migration started: ${result.task_id} - ${result.message}`);
      
      // Wait a brief moment for the backend to ensure the task is retrievable
@@ -268,23 +245,18 @@
      
      // Fetch full task details and switch to TaskRunner view
      try {
-        const taskRes = await fetch(`/api/tasks/${result.task_id}`);
-        if (taskRes.ok) {
-          const task = await taskRes.json();
-          selectedTask.set(task);
-        } else {
-            // Fallback: create a temporary task object to switch view immediately
-            console.warn("Could not fetch task details immediately, using placeholder.");
-            selectedTask.set({
-                id: result.task_id,
-                plugin_id: 'superset-migration',
-                status: 'RUNNING',
-                logs: [],
-                params: {}
-            });
-        }
+        const task = await api.getTask(result.task_id);
+        selectedTask.set(task);
      } catch (fetchErr) {
-        console.error("Failed to fetch new task details:", fetchErr);
+        // Fallback: create a temporary task object to switch view immediately
+        console.warn("Could not fetch task details immediately, using placeholder.");
+        selectedTask.set({
+            id: result.task_id,
+            plugin_id: 'superset-migration',
+            status: 'RUNNING',
+            logs: [],
+            params: {}
+        });
      }
    } catch (e) {
      console.error(`[MigrationDashboard][Failure] Migration failed:`, e);
--- a/frontend/src/routes/migration/mappings/+page.svelte
+++ b/frontend/src/routes/migration/mappings/+page.svelte
@@ -12,6 +12,7 @@
 <script lang="ts">
  // [SECTION: IMPORTS]
  import { onMount } from 'svelte';
+  import { api } from '../../../lib/api.js';
  import EnvSelector from '../../../components/EnvSelector.svelte';
  import MappingTable from '../../../components/MappingTable.svelte';
  import { t } from '$lib/i18n';
@@ -38,9 +39,7 @@
  // @POST: environments array is populated.
  async function fetchEnvironments() {
    try {
-      const response = await fetch('/api/environments');
-      if (!response.ok) throw new Error('Failed to fetch environments');
-      environments = await response.json();
+      environments = await api.getEnvironmentsList();
    } catch (e) {
      error = e.message;
    } finally {
@@ -64,23 +63,17 @@
    success = "";
    
    try {
-      const [srcRes, tgtRes, mapRes, sugRes] = await Promise.all([
-        fetch(`/api/environments/${sourceEnvId}/databases`),
-        fetch(`/api/environments/${targetEnvId}/databases`),
-        fetch(`/api/mappings?source_env_id=${sourceEnvId}&target_env_id=${targetEnvId}`),
-        fetch(`/api/mappings/suggest`, {
-          method: 'POST',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ source_env_id: sourceEnvId, target_env_id: targetEnvId })
-        })
+      const [src, tgt, maps, sugs] = await Promise.all([
+        api.requestApi(`/environments/${sourceEnvId}/databases`),
+        api.requestApi(`/environments/${targetEnvId}/databases`),
+        api.requestApi(`/mappings?source_env_id=${sourceEnvId}&target_env_id=${targetEnvId}`),
+        api.postApi(`/mappings/suggest`, { source_env_id: sourceEnvId, target_env_id: targetEnvId })
      ]);

-      if (!srcRes.ok || !tgtRes.ok) throw new Error('Failed to fetch databases from environments');
-      
-      sourceDatabases = await srcRes.json();
-      targetDatabases = await tgtRes.json();
-      mappings = await mapRes.json();
-      suggestions = await sugRes.json();
+      sourceDatabases = src;
+      targetDatabases = tgt;
+      mappings = maps;
+      suggestions = sugs;
    } catch (e) {
      error = e.message;
    } finally {
@@ -103,22 +96,15 @@
    if (!sDb || !tDb) return;

    try {
-      const response = await fetch('/api/mappings', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
-          source_env_id: sourceEnvId,
-          target_env_id: targetEnvId,
-          source_db_uuid: sourceUuid,
-          target_db_uuid: targetUuid,
-          source_db_name: sDb.database_name,
-          target_db_name: tDb.database_name
-        })
+      const savedMapping = await api.postApi('/mappings', {
+        source_env_id: sourceEnvId,
+        target_env_id: targetEnvId,
+        source_db_uuid: sourceUuid,
+        target_db_uuid: targetUuid,
+        source_db_name: sDb.database_name,
+        target_db_name: tDb.database_name
      });

-      if (!response.ok) throw new Error('Failed to save mapping');
-      
-      const savedMapping = await response.json();
      mappings = [...mappings.filter(m => m.source_db_uuid !== sourceUuid), savedMapping];
      success = "Mapping saved successfully";
    } catch (e) {
--- a/frontend/src/services/connectionService.js
+++ b/frontend/src/services/connectionService.js
@@ -2,7 +2,9 @@
 * Service for interacting with the Connection Management API.
 */

-const API_BASE = '/api/settings/connections';
+import { requestApi } from '../lib/api';
+
+const API_BASE = '/settings/connections';

 // [DEF:getConnections:Function]
 /* @PURPOSE: Fetch a list of saved connections.
@@ -14,11 +16,7 @@ const API_BASE = '/api/settings/connections';
 * @returns {Promise<Array>} List of connections.
 */
 export async function getConnections() {
-    const response = await fetch(API_BASE);
-    if (!response.ok) {
-        throw new Error(`Failed to fetch connections: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(API_BASE);
 }
 // [/DEF:getConnections:Function]

@@ -33,19 +31,7 @@ export async function getConnections() {
 * @returns {Promise<Object>} The created connection instance.
 */
 export async function createConnection(connectionData) {
-    const response = await fetch(API_BASE, {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json'
-        },
-        body: JSON.stringify(connectionData)
-    });
-
-    if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}));
-        throw new Error(errorData.detail || `Failed to create connection: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(API_BASE, 'POST', connectionData);
 }
 // [/DEF:createConnection:Function]

@@ -59,12 +45,6 @@ export async function createConnection(connectionData) {
 * @param {string} connectionId - The ID of the connection to delete.
 */
 export async function deleteConnection(connectionId) {
-    const response = await fetch(`${API_BASE}/${connectionId}`, {
-        method: 'DELETE'
-    });
-
-    if (!response.ok) {
-        throw new Error(`Failed to delete connection: ${response.statusText}`);
-    }
+    return requestApi(`${API_BASE}/${connectionId}`, 'DELETE');
 }
 // [/DEF:deleteConnection:Function]
--- a/frontend/src/services/gitService.js
+++ b/frontend/src/services/gitService.js
@@ -6,7 +6,9 @@
 * @RELATION:  DEPENDS_ON -> specs/011-git-integration-dashboard/contracts/api.md
 */

-const API_BASE = '/api/git';
+import { requestApi } from '../lib/api';
+
+const API_BASE = '/git';

 // [DEF:gitService:Action]
 export const gitService = {
@@ -19,9 +21,7 @@ export const gitService = {
     */
    async getConfigs() {
        console.log('[getConfigs][Action] Fetching Git configs');
-        const response = await fetch(`${API_BASE}/config`);
-        if (!response.ok) throw new Error('Failed to fetch Git configs');
-        return response.json();
+        return requestApi(`${API_BASE}/config`);
    },

    /**
@@ -34,13 +34,7 @@ export const gitService = {
     */
    async createConfig(config) {
        console.log('[createConfig][Action] Creating Git config');
-        const response = await fetch(`${API_BASE}/config`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify(config)
-        });
-        if (!response.ok) throw new Error('Failed to create Git config');
-        return response.json();
+        return requestApi(`${API_BASE}/config`, 'POST', config);
    },

    /**
@@ -53,11 +47,7 @@ export const gitService = {
     */
    async deleteConfig(configId) {
        console.log(`[deleteConfig][Action] Deleting Git config ${configId}`);
-        const response = await fetch(`${API_BASE}/config/${configId}`, {
-            method: 'DELETE'
-        });
-        if (!response.ok) throw new Error('Failed to delete Git config');
-        return response.json();
+        return requestApi(`${API_BASE}/config/${configId}`, 'DELETE');
    },

    /**
@@ -70,12 +60,7 @@ export const gitService = {
     */
    async testConnection(config) {
        console.log('[testConnection][Action] Testing Git connection');
-        const response = await fetch(`${API_BASE}/config/test`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify(config)
-        });
-        return response.json();
+        return requestApi(`${API_BASE}/config/test`, 'POST', config);
    },

    /**
@@ -90,16 +75,10 @@ export const gitService = {
     */
    async initRepository(dashboardId, configId, remoteUrl) {
        console.log(`[initRepository][Action] Initializing repo for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/init`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ config_id: configId, remote_url: remoteUrl })
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/init`, 'POST', {
+            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();
    },

    /**
@@ -112,9 +91,7 @@ export const gitService = {
     */
    async getBranches(dashboardId) {
        console.log(`[getBranches][Action] Fetching branches for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/branches`);
-        if (!response.ok) throw new Error('Failed to fetch branches');
-        return response.json();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/branches`);
    },

    /**
@@ -129,13 +106,10 @@ export const gitService = {
     */
    async createBranch(dashboardId, name, fromBranch) {
        console.log(`[createBranch][Action] Creating branch ${name} for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/branches`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ name, from_branch: fromBranch })
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/branches`, 'POST', {
+            name,
+            from_branch: fromBranch
        });
-        if (!response.ok) throw new Error('Failed to create branch');
-        return response.json();
    },

    /**
@@ -149,13 +123,7 @@ export const gitService = {
     */
    async checkoutBranch(dashboardId, name) {
        console.log(`[checkoutBranch][Action] Checking out branch ${name} for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/checkout`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ name })
-        });
-        if (!response.ok) throw new Error('Failed to checkout branch');
-        return response.json();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/checkout`, 'POST', { name });
    },

    /**
@@ -170,13 +138,7 @@ export const gitService = {
     */
    async commit(dashboardId, message, files) {
        console.log(`[commit][Action] Committing changes for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/commit`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ message, files })
-        });
-        if (!response.ok) throw new Error('Failed to commit changes');
-        return response.json();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/commit`, 'POST', { message, files });
    },

    /**
@@ -189,11 +151,7 @@ export const gitService = {
     */
    async push(dashboardId) {
        console.log(`[push][Action] Pushing changes for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/push`, {
-            method: 'POST'
-        });
-        if (!response.ok) throw new Error('Failed to push changes');
-        return response.json();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/push`, 'POST');
    },

    /**
@@ -206,11 +164,7 @@ export const gitService = {
     */
    async pull(dashboardId) {
        console.log(`[pull][Action] Pulling changes for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/pull`, {
-            method: 'POST'
-        });
-        if (!response.ok) throw new Error('Failed to pull changes');
-        return response.json();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/pull`, 'POST');
    },

    /**
@@ -221,9 +175,7 @@ export const gitService = {
     */
    async getEnvironments() {
        console.log('[getEnvironments][Action] Fetching environments');
-        const response = await fetch(`${API_BASE}/environments`);
-        if (!response.ok) throw new Error('Failed to fetch environments');
-        return response.json();
+        return requestApi(`${API_BASE}/environments`);
    },

    /**
@@ -237,13 +189,9 @@ export const gitService = {
     */
    async deploy(dashboardId, environmentId) {
        console.log(`[deploy][Action] Deploying dashboard ${dashboardId} to environment ${environmentId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/deploy`, {
-            method: 'POST',
-            headers: { 'Content-Type': 'application/json' },
-            body: JSON.stringify({ environment_id: environmentId })
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/deploy`, 'POST', {
+            environment_id: environmentId
        });
-        if (!response.ok) throw new Error('Failed to deploy dashboard');
-        return response.json();
    },

    /**
@@ -255,9 +203,7 @@ export const gitService = {
     */
    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();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/history?limit=${limit}`);
    },

    /**
@@ -269,17 +215,9 @@ export const gitService = {
     */
    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();
+        let endpoint = `${API_BASE}/repositories/${dashboardId}/sync`;
+        if (sourceEnvId) endpoint += `?source_env_id=${sourceEnvId}`;
+        return requestApi(endpoint, 'POST');
    },

    /**
@@ -292,9 +230,7 @@ export const gitService = {
     */
    async getStatus(dashboardId) {
        console.log(`[getStatus][Action] Fetching status for dashboard ${dashboardId}`);
-        const response = await fetch(`${API_BASE}/repositories/${dashboardId}/status`);
-        if (!response.ok) throw new Error('Failed to fetch status');
-        return response.json();
+        return requestApi(`${API_BASE}/repositories/${dashboardId}/status`);
    },

    /**
@@ -309,15 +245,12 @@ export const gitService = {
     */
    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/${dashboardId}/diff`;
+        let endpoint = `${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();
+        if (params.toString()) endpoint += `?${params.toString()}`;
+        return requestApi(endpoint);
    }
 };
 // [/DEF:gitService:Action]
--- a/frontend/src/services/taskService.js
+++ b/frontend/src/services/taskService.js
@@ -2,7 +2,9 @@
 * Service for interacting with the Task Management API.
 */

-const API_BASE = '/api/tasks';
+import { requestApi } from '../lib/api';
+
+const API_BASE = '/tasks';

 // [DEF:getTasks:Function]
 /* @PURPOSE: Fetch a list of tasks with pagination and optional status filter.
@@ -25,11 +27,7 @@ export async function getTasks(limit = 10, offset = 0, status = null) {
        params.append('status', status);
    }

-    const response = await fetch(`${API_BASE}?${params.toString()}`);
-    if (!response.ok) {
-        throw new Error(`Failed to fetch tasks: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(`${API_BASE}?${params.toString()}`);
 }
 // [/DEF:getTasks:Function]

@@ -44,11 +42,7 @@ export async function getTasks(limit = 10, offset = 0, status = null) {
 * @returns {Promise<Object>} Task details.
 */
 export async function getTask(taskId) {
-    const response = await fetch(`${API_BASE}/${taskId}`);
-    if (!response.ok) {
-        throw new Error(`Failed to fetch task ${taskId}: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(`${API_BASE}/${taskId}`);
 }
 // [/DEF:getTask:Function]

@@ -86,19 +80,7 @@ export async function getTaskLogs(taskId) {
 * @returns {Promise<Object>} Updated task object.
 */
 export async function resumeTask(taskId, passwords) {
-    const response = await fetch(`${API_BASE}/${taskId}/resume`, {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json'
-        },
-        body: JSON.stringify({ passwords })
-    });
-
-    if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}));
-        throw new Error(errorData.detail || `Failed to resume task: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(`${API_BASE}/${taskId}/resume`, 'POST', { passwords });
 }
 // [/DEF:resumeTask:Function]

@@ -114,19 +96,7 @@ export async function resumeTask(taskId, passwords) {
 * @returns {Promise<Object>} Updated task object.
 */
 export async function resolveTask(taskId, resolutionParams) {
-    const response = await fetch(`${API_BASE}/${taskId}/resolve`, {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json'
-        },
-        body: JSON.stringify({ resolution_params: resolutionParams })
-    });
-
-    if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}));
-        throw new Error(errorData.detail || `Failed to resolve task: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(`${API_BASE}/${taskId}/resolve`, 'POST', { resolution_params: resolutionParams });
 }
 // [/DEF:resolveTask:Function]

@@ -145,12 +115,6 @@ export async function clearTasks(status = null) {
        params.append('status', status);
    }

-    const response = await fetch(`${API_BASE}?${params.toString()}`, {
-        method: 'DELETE'
-    });
-
-    if (!response.ok) {
-        throw new Error(`Failed to clear tasks: ${response.statusText}`);
-    }
+    return requestApi(`${API_BASE}?${params.toString()}`, 'DELETE');
 }
 // [/DEF:clearTasks:Function]
--- a/frontend/src/services/toolsService.js
+++ b/frontend/src/services/toolsService.js
@@ -2,7 +2,9 @@
 * Service for generic Task API communication used by Tools.
 */

-const API_BASE = '/api/tasks';
+import { requestApi } from '../lib/api';
+
+const API_BASE = '/tasks';

 // [DEF:runTask:Function]
 /* @PURPOSE: Start a new task for a given plugin.
@@ -16,19 +18,7 @@ const API_BASE = '/api/tasks';
 * @returns {Promise<Object>} The created task instance.
 */
 export async function runTask(pluginId, params) {
-    const response = await fetch(API_BASE, {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json'
-        },
-        body: JSON.stringify({ plugin_id: pluginId, params })
-    });
-
-    if (!response.ok) {
-        const errorData = await response.json().catch(() => ({}));
-        throw new Error(errorData.detail || `Failed to start task: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(API_BASE, 'POST', { plugin_id: pluginId, params });
 }
 // [/DEF:runTask:Function]

@@ -43,10 +33,6 @@ export async function runTask(pluginId, params) {
 * @returns {Promise<Object>} Task details.
 */
 export async function getTaskStatus(taskId) {
-    const response = await fetch(`${API_BASE}/${taskId}`);
-    if (!response.ok) {
-        throw new Error(`Failed to fetch task ${taskId}: ${response.statusText}`);
-    }
-    return await response.json();
+    return requestApi(`${API_BASE}/${taskId}`);
 }
 // [/DEF:getTaskStatus:Function]
--- a/specs/016-multi-user-auth/tasks.md
+++ b/specs/016-multi-user-auth/tasks.md
@@ -44,13 +44,13 @@
 - [x] T021 [US2] Protect existing plugin API routes using `has_permission` in `backend/src/api/routes/*.py`
 - [x] T022 [US2] Implement `SystemAdminPlugin` inheriting from `PluginBase` for User/Role management in `backend/src/plugins/system_admin.py`
 - [x] T023 [US2] Implement Admin API endpoints within `SystemAdminPlugin` in `backend/src/api/routes/admin.py`
- [ ] T053 [US2] Extend Admin API with User Update/Delete and Role CRUD endpoints in `backend/src/api/routes/admin.py`
- [ ] T054 [US2] Add Pydantic schemas for UserUpdate, RoleCreate, RoleUpdate in `backend/src/schemas/auth.py`
+- [x] T053 [US2] Extend Admin API with User Update/Delete and Role CRUD endpoints in `backend/src/api/routes/admin.py`
+- [x] T054 [US2] Add Pydantic schemas for UserUpdate, RoleCreate, RoleUpdate in `backend/src/schemas/auth.py`
 - [x] T051 [US2] Implement `adminService.js` for frontend API orchestration
- [ ] T055 [US2] Update `adminService.js` with new CRUD methods
+- [x] T055 [US2] Update `adminService.js` with new CRUD methods
 - [x] T024 [US2] Create Admin Dashboard UI using `src/lib/ui` and `src/lib/i18n` in `frontend/src/routes/admin/users/+page.svelte`
- [ ] T056 [US2] Update Admin User Dashboard to support Edit/Delete operations in `frontend/src/routes/admin/users/+page.svelte`
- [ ] T057 [US4] Create Role Management UI in `frontend/src/routes/admin/roles/+page.svelte`
+- [x] T056 [US2] Update Admin User Dashboard to support Edit/Delete operations in `frontend/src/routes/admin/users/+page.svelte`
+- [x] T057 [US4] Create Role Management UI in `frontend/src/routes/admin/roles/+page.svelte`
 - [x] T025 [US2] Update Navigation Bar to hide links and show user profile/logout using `src/lib/ui` in `frontend/src/components/Navbar.svelte`
 - [x] T042 [US2] Implement `PermissionGuard` frontend component for granular UI element protection in `frontend/src/components/auth/PermissionGuard.svelte`
 - [x] T045 [US2] Implement multi-role permission resolution logic (union of permissions) in `backend/src/services/auth_service.py`