fixed issue with missing api_url

agent.py

@@ -26,7 +26,9 @@ class Agent:
         )
         logger.info("BasicAgent initialized.")
 
-    def __call__(self, question: str, task_id: str, file_name: str) -> str:
+    def __call__(
+        self, question: str, task_id: str, file_name: str, api_url: str
+    ) -> str:
         logger.info(
             f"Agent received question (first 50 chars): {question[:50]}..."
         )

app.py

@@ -69,7 +69,7 @@ async def _run_agent_async(
     loop = asyncio.get_running_loop()
     async with semaphore:
         answer = await loop.run_in_executor(
-            None, agent, question, task_id, file_name
+            None, agent, question, task_id, file_name, DEFAULT_API_URL
         )  # execute in default thread‑pool
     cache[str(task_id)] = answer
     return task_id, answer