chore: migrate to ruff (#4305)

* base requirements

* autofix

* Configure ruff for Python linting and formatting

- Set up minimal ruff configuration with basic checks (E, W, F, I)
- Add temporary ignores for common issues during migration
- Configure pre-commit hooks to use ruff with pass_filenames
- This enables gradual migration from black to ruff

* Delete sdj

* autofixed only

* migrate lint action

* more autofixed

* more fixes

* change precommit

* try changing the hook

* try this stuff

letta/server/rest_api/auth/index.py

@@ -22,7 +22,6 @@ class AuthRequest(BaseModel):
 
 
 def setup_auth_router(server: SyncServer, interface: QueuingInterface, password: str) -> APIRouter:
-
     @router.post("/auth", tags=["auth"], response_model=AuthResponse)
     def authenticate_user(request: AuthRequest) -> AuthResponse:
         """