fix(backend): include missing fields in user fetch queries to satisfy UserResponse schema

backend/routers/auth.py

@@ -122,7 +122,7 @@ async def admin_get_users(page: int = 1, size: int = 50, search: Optional[str] =
         raise HTTPException(status_code=403, detail="Admin role required")
     
     offset = (page - 1) * size
-    base_query = "SELECT id, email, first_name, last_name, phone, role, can_chat, is_active, is_company, company_name, company_pib, company_address, ip_address, created_at FROM users"
+    base_query = "SELECT id, email, first_name, last_name, phone, shipping_address, preferred_language, role, can_chat, is_active, is_company, company_name, company_pib, company_address, ip_address, created_at FROM users"
     count_query = "SELECT COUNT(*) as total FROM users"
     params = []
     if search and search.strip():
@@ -155,7 +155,7 @@ async def admin_create_user(data: schemas.UserCreate, token: str = Depends(auth_
         (data.email, hashed_password, data.first_name, data.last_name, data.phone, 'user', True)
     )
     
-    user = db.execute_query("SELECT id, email, first_name, last_name, phone, role, can_chat, is_active, is_company, company_name, company_pib, company_address, created_at FROM users WHERE id = %s", (user_id,))
+    user = db.execute_query("SELECT id, email, first_name, last_name, phone, shipping_address, preferred_language, role, can_chat, is_active, is_company, company_name, company_pib, company_address, ip_address, created_at FROM users WHERE id = %s", (user_id,))
     return user[0]
 
 @router.patch("/users/{target_id}/admin", response_model=schemas.UserResponse)
@@ -175,7 +175,7 @@ async def admin_update_user(target_id: int, data: schemas.UserUpdate, token: str
         params.append(target_id)
         db.execute_commit(query, tuple(params))
         
-    user = db.execute_query("SELECT id, email, first_name, last_name, phone, shipping_address, preferred_language, role, can_chat, is_active, ip_address, created_at FROM users WHERE id = %s", (target_id,))
+    user = db.execute_query("SELECT id, email, first_name, last_name, phone, shipping_address, preferred_language, role, can_chat, is_active, is_company, company_name, company_pib, company_address, ip_address, created_at FROM users WHERE id = %s", (target_id,))
     if not user: raise HTTPException(status_code=404, detail="User not found")
     return user[0]