feat: Implement file download token management and restructure file routes

- Added DownloadTokenManager for creating and verifying JWT download tokens.
- Introduced new download routes for creating download tokens and downloading files using tokens.
- Restructured file upload routes into a dedicated sub-router.
- Updated file upload session management with improved error handling and response structures.
- Created a new MCP (Microservice Communication Protocol) router with basic request and response models.
- Added base models for MCP requests and responses, including method enumeration.

routers/api/v1/__init__.py

@@ -7,12 +7,13 @@ from .admin import admin_group_router
 from .admin import admin_policy_router
 from .admin import admin_share_router
 from .admin import admin_task_router
+from .admin import admin_user_router
 from .admin import admin_vas_router
 
 from .callback import callback_router
 from .directory import directory_router
 from .download import download_router
-from .file import file_router, file_upload_router
+from .file import router as file_router
 from .object import object_router
 from .share import share_router
 from .site import site_router
@@ -30,13 +31,13 @@ router.include_router(admin_group_router)
 router.include_router(admin_policy_router)
 router.include_router(admin_share_router)
 router.include_router(admin_task_router)
+router.include_router(admin_user_router)
 router.include_router(admin_vas_router)
 
 router.include_router(callback_router)
 router.include_router(directory_router)
 router.include_router(download_router)
 router.include_router(file_router)
-router.include_router(file_upload_router)
 router.include_router(object_router)
 router.include_router(share_router)
 router.include_router(site_router)