删除outfit 图片item文字信息，新增换脸模型接口。

app/core/stylist_agent_server.py

@@ -150,7 +150,7 @@ class AsyncStylistAgent:
         # self._clear_uploaded_files()
         # 1. 添加图片内容
         if self.outfit_items:
-            merged_image = merge_images_to_square(self.outfit_items, max_len=self.max_len)
+            merged_image = merge_images_to_square(self.outfit_items, max_len=self.max_len, add_text=False)
             image_bytes_io = io.BytesIO()
             image_format = 'JPEG'
             mime_type = 'image/jpeg'
@@ -275,6 +275,7 @@ class AsyncStylistAgent:
                          }
         logger.info(response_data)
         item_id = ""
+        item_category = ""
         while True:
             # 1. 准备用户输入(上下文)
             user_input = self._build_user_input()
@@ -284,7 +285,7 @@ class AsyncStylistAgent:
             gemini_data = self._parse_gemini_response(gemini_response_text)
             response_data['path'] = minio_path
             if item_id:
-                response_data['items'].append(item_id)
+                response_data['items'].append({"item_id": item_id, "category": item_category})
             if not gemini_data:
                 print("🚨 Agent 返回无效响应,终止流程。")
                 self.stop_reason = "Agent failed to return response"
@@ -316,6 +317,7 @@ class AsyncStylistAgent:
                 # 4b. 在本地 DB 中查询单品
                 new_item = self._get_next_item(description, category)
                 item_id = new_item.get('item_id')
+                item_category = new_item.get('category')
 
                 if new_item:
                     # 4c. (实际步骤) 将选中的单品图片和描述发回给 Agent 进行最终审核