Закончили редизайн, обновили интерфейс бэкапа

specs/015-frontend-nav-redesign/contracts/backup_contracts.md

@@ -10,10 +10,9 @@ None (Top-level page component)
 - `on:backup-restore`: Triggered when user requests a restore.
 
 ### Data Dependencies
-- `GET /api/backups`: Fetch list of backups.
-  - Response: `Array<BackupConfiguration>`
-- `POST /api/backups`: Create new backup.
-  - Body: `{ type: string, target: string }`
-- `POST /api/backups/{id}/restore`: Restore a backup.
-
-*(Note: Actual endpoints depend on Feature 009 implementation; these are the frontend's expected contracts)*
+- `GET /api/environments`: Fetch list of available environments.
+- `GET /api/storage/files?category=backups`: Fetch list of backup files.
+- `POST /api/tasks`: Create new backup task.
+  - Body: `{ plugin_id: 'superset-backup', params: { environment_id: string } }`
+- `PUT /api/environments/{id}/schedule`: Update backup schedule.
+  - Body: `{ enabled: boolean, cron_expression: string }`