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backend/app/api/tools.py

@@ -63,7 +63,26 @@ async def list_tools(
         )
     
     tools = query.order_by(Tool.use_count.desc(), Tool.created_at.desc()).all()
-    return tools
+    
+    # 转换为响应格式，确保日期时间字段转换为字符串
+    result = []
+    for tool in tools:
+        result.append({
+            "id": tool.id,
+            "name": tool.name,
+            "description": tool.description,
+            "category": tool.category,
+            "function_schema": tool.function_schema,
+            "implementation_type": tool.implementation_type,
+            "implementation_config": tool.implementation_config,
+            "is_public": tool.is_public,
+            "use_count": tool.use_count,
+            "user_id": tool.user_id,
+            "created_at": tool.created_at.isoformat() if tool.created_at else "",
+            "updated_at": tool.updated_at.isoformat() if tool.updated_at else ""
+        })
+    
+    return result
 
 
 @router.get("/builtin")
@@ -82,7 +101,22 @@ async def get_tool(
     tool = db.query(Tool).filter(Tool.id == tool_id).first()
     if not tool:
         raise HTTPException(status_code=404, detail="工具不存在")
-    return tool
+    
+    # 转换为响应格式，确保日期时间字段转换为字符串
+    return {
+        "id": tool.id,
+        "name": tool.name,
+        "description": tool.description,
+        "category": tool.category,
+        "function_schema": tool.function_schema,
+        "implementation_type": tool.implementation_type,
+        "implementation_config": tool.implementation_config,
+        "is_public": tool.is_public,
+        "use_count": tool.use_count,
+        "user_id": tool.user_id,
+        "created_at": tool.created_at.isoformat() if tool.created_at else "",
+        "updated_at": tool.updated_at.isoformat() if tool.updated_at else ""
+    }
 
 
 @router.post("", response_model=ToolResponse, status_code=201)
@@ -112,7 +146,21 @@ async def create_tool(
     db.commit()
     db.refresh(tool)
     
-    return tool
+    # 转换为响应格式，确保日期时间字段转换为字符串
+    return {
+        "id": tool.id,
+        "name": tool.name,
+        "description": tool.description,
+        "category": tool.category,
+        "function_schema": tool.function_schema,
+        "implementation_type": tool.implementation_type,
+        "implementation_config": tool.implementation_config,
+        "is_public": tool.is_public,
+        "use_count": tool.use_count,
+        "user_id": tool.user_id,
+        "created_at": tool.created_at.isoformat() if tool.created_at else "",
+        "updated_at": tool.updated_at.isoformat() if tool.updated_at else ""
+    }
 
 
 @router.put("/{tool_id}", response_model=ToolResponse)
@@ -148,7 +196,21 @@ async def update_tool(
     db.commit()
     db.refresh(tool)
     
-    return tool
+    # 转换为响应格式，确保日期时间字段转换为字符串
+    return {
+        "id": tool.id,
+        "name": tool.name,
+        "description": tool.description,
+        "category": tool.category,
+        "function_schema": tool.function_schema,
+        "implementation_type": tool.implementation_type,
+        "implementation_config": tool.implementation_config,
+        "is_public": tool.is_public,
+        "use_count": tool.use_count,
+        "user_id": tool.user_id,
+        "created_at": tool.created_at.isoformat() if tool.created_at else "",
+        "updated_at": tool.updated_at.isoformat() if tool.updated_at else ""
+    }
 
 
 @router.delete("/{tool_id}", status_code=200)