feat(backend): implemented self delete for users

7project/backend/app/api/auth.py

@@ -1,10 +1,28 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, Depends, status
+from fastapi_users import models
+from fastapi_users.manager import BaseUserManager
 
 from app.schemas.user import UserCreate, UserRead, UserUpdate
 from app.services.user_service import auth_backend, fastapi_users
 
 router = APIRouter()
 
+@router.delete(
+    "/users/me",
+    status_code=status.HTTP_204_NO_CONTENT,
+    tags=["users"],
+    summary="Delete current user",
+    response_description="The user has been successfully deleted.",
+)
+async def delete_me(
+    user: models.UserProtocol = Depends(fastapi_users.current_user(active=True)),
+    user_manager: BaseUserManager = Depends(fastapi_users.get_user_manager),
+):
+    """
+    Delete the currently authenticated user.
+    """
+    await user_manager.delete(user)
+
 # Keep existing paths as-is under /auth/* and /users/*
 router.include_router(
     fastapi_users.get_auth_router(auth_backend), prefix="/auth/jwt", tags=["auth"]