UPDATE POST /v1/files/upload

檔案上傳的 endpoint 其實是：POST /v1/files/upload

app.py

@@ -67,13 +67,14 @@ async def upload_file(LLM_URL, LLM_API, file_path, user_id):
             form_data.add_field('file', f, filename=file_path, content_type=mime_type)
             form_data.add_field('user', user_id)
             async with session.post(
-                f"{LLM_URL}/files/upload",
+                f"{LLM_URL}/v1/files/upload",   # ✅ 加上 v1
                 headers={"Authorization": f"Bearer {LLM_API}"},
                 data=form_data
             ) as response:
                 if response.status == 404:
                     return "Error: Endpoint not found (404)"
                 response_text = await response.text()
+                print("Upload response:", response_text)  # 加這一行
                 try:
                     return json.loads(response_text)
                 except json.JSONDecodeError: