feat: Enhance file management and user features

- Add file deduplication mechanism based on PhysicalFile reference counting.
- Implement chunked upload support for large files with resumable uploads.
- Update sharing page to automatically render README and preview content.
- Integrate Redis for caching and token storage (optional).
- Refactor project structure to include new models for download tasks, nodes, and tasks.
- Introduce user filtering parameters for admin user management.
- Add CORS middleware for handling cross-origin requests.
- Improve error messages for authentication failures.
- Update user model to include two-factor authentication key management.
- Enhance API documentation and response models for clarity.
- Implement admin checks for user management and permissions.

routers/api/v1/user/__init__.py

@@ -260,7 +260,7 @@ def router_user_avatar(id: str, size: int = 128) -> models.ResponseBase:
     summary='获取用户信息',
     description='Get user information.',
     dependencies=[Depends(dependency=auth_required)],
-    response_model=models.ResponseBase,
+    response_model=models.UserResponse,
 )
 async def router_user_me(
     session: SessionDep,
@@ -285,7 +285,7 @@ async def router_user_me(
     # 异步加载 tags 关系
     user_tags = await user.awaitable_attrs.tags
 
-    user_response = models.UserResponse(
+    return models.UserResponse(
         id=user.id,
         username=user.username,
         status=user.status,
@@ -297,8 +297,6 @@ async def router_user_me(
         tags=[tag.name for tag in user_tags] if user_tags else [],
     )
 
-    return models.ResponseBase(data=user_response.model_dump())
-
 @user_router.get(
     path='/storage',
     summary='存储信息',