fix: Add missing commas in function calls and improve code formatting

app/services/auth.py

@@ -434,36 +434,36 @@ class AuthService:
     async def update_user_profile(self, user: User, data: dict) -> User:
         """Update user profile information."""
         logger.info("Updating profile for user: %s", user.email)
-        
+
         # Only allow updating specific fields
         allowed_fields = {"name"}
         update_data = {k: v for k, v in data.items() if k in allowed_fields}
-        
+
         if not update_data:
             return user
-            
+
         # Update user
         for field, value in update_data.items():
             setattr(user, field, value)
-            
+
         self.session.add(user)
         await self.session.commit()
         await self.session.refresh(user, ["plan"])
-        
+
         logger.info("Profile updated successfully for user: %s", user.email)
         return user
 
     async def change_user_password(
-        self, user: User, current_password: str | None, new_password: str
+        self, user: User, current_password: str | None, new_password: str,
     ) -> None:
         """Change user's password."""
         # Store user email before any operations to avoid session detachment issues
         user_email = user.email
         logger.info("Changing password for user: %s", user_email)
-        
+
         # Store whether user had existing password before we modify it
         had_existing_password = user.password_hash is not None
-        
+
         # If user has existing password, verify it
         if had_existing_password:
             if not current_password:
@@ -473,24 +473,24 @@ class AuthService:
         else:
             # User doesn't have a password (OAuth-only user), so we're setting their first password
             logger.info("Setting first password for OAuth user: %s", user_email)
-            
+
         # Hash new password
         new_password_hash = PasswordUtils.hash_password(new_password)
-        
+
         # Update user
         user.password_hash = new_password_hash
         self.session.add(user)
         await self.session.commit()
-        
-        logger.info("Password %s successfully for user: %s", 
+
+        logger.info("Password %s successfully for user: %s",
                    "changed" if had_existing_password else "set", user_email)
 
     async def user_to_response(self, user: User) -> UserResponse:
         """Convert User model to UserResponse with plan information."""
         # Load plan relationship if not already loaded
-        if not hasattr(user, 'plan') or not user.plan:
+        if not hasattr(user, "plan") or not user.plan:
             await self.session.refresh(user, ["plan"])
-            
+
         return UserResponse(
             id=user.id,
             email=user.email,