新增对话接口

src/server/deep_agent/tools/generate_furniture_sketch.py

@@ -65,30 +65,9 @@ async def generate_furniture(prompt: str) -> str:
             # 4. 构造访问链接 (如果是私有 bucket，需使用 presigned_get_object)
             # 这里简单示例为直接访问地址
             image_url = f"{bucket}/{object_name}"
-            return json.dumps(
-                {
-                    "tool_name": "generate_furniture",
-                    "data": image_url,
-                    "tool_status": "success"
-                },
-                ensure_ascii=False
-            )
+            return image_url
         else:
-            return json.dumps(
-                {
-                    "tool_name": "generate_furniture",
-                    "data": "图片生成成功，但上传至存储服务器失败。",
-                    "tool_status": "error"
-                },
-                ensure_ascii=False
-            )
+            return "图片生成成功，但上传至存储服务器失败。"
     except Exception as e:
         logger.warning(e)
-        return json.dumps(
-            {
-                "tool_name": "generate_furniture",
-                "data": f"绘图流程异常",
-                "tool_status": "error"
-            },
-            ensure_ascii=False
-        )
+        return "绘图流程异常"