🔧 chore(users.py): remove unused current_user variable in read_all_users function

🔧 chore(api_key.py): add cascade delete to user-api_key relationship to ensure API keys are deleted when user is deleted

src/backend/langflow/api/v1/users.py

@@ -67,7 +67,7 @@ def read_current_user(
 def read_all_users(
     skip: int = 0,
     limit: int = 10,
-    current_user: Session = Depends(get_current_active_superuser),
+    _: Session = Depends(get_current_active_superuser),
     session: Session = Depends(get_session),
 ) -> UsersResponse:
     """

src/backend/langflow/services/database/models/api_key/api_key.py

@@ -22,8 +22,12 @@ class ApiKey(ApiKeyBase, table=True):
 
     api_key: str = Field(index=True, unique=True)
     # User relationship
+    # Delete API keys when user is deleted
     user_id: UUID = Field(index=True, foreign_key="user.id")
-    user: "User" = Relationship(back_populates="api_keys")
+    user: "User" = Relationship(
+        back_populates="api_keys",
+        sa_relationship_kwargs={"cascade": "delete"},
+    )
 
 
 class ApiKeyCreate(ApiKeyBase):