feat: standardize category update response format with code, message, and data wrapper

Backend/src/services/categories.service.ts

@@ -55,11 +55,15 @@ export class CategoryService {
                 data: category
             });
             return {
+                code: 200,
+                message: 'Category updated successfully',
+                data: {
                     id: updatedCategory.id,
                     name: updatedCategory.name as { th: string; en: string },
                     slug: updatedCategory.slug,
                     description: updatedCategory.description as { th: string; en: string },
                     updated_by: decoded.id,
+                }
             };
         } catch (error) {
             logger.error('Failed to update category', { error });

Backend/src/types/categories.type.ts

@@ -48,11 +48,15 @@ export interface updateCategory {
 }
 
 export interface updateCategoryResponse {
+    code: number;
+    message: string;
+    data: {
         id: number;
         name: MultiLanguageText;
         slug: string;
         description: MultiLanguageText;
         updated_by: number;
+    };
 }
 
 export interface deleteCategoryResponse {