fix

workflows/lib/llm.py

@@ -60,5 +60,12 @@ async def llm_call(
     try:
         return response.parse()
     except Exception:
-        # Fallback: sanitize control characters and parse manually
-        return response_model.model_validate_json(_sanitize_json(response.content))
+        # Fallback: extract content and parse manually
+        # response.content could be a string or a list of Text objects
+        content = response.content
+        if isinstance(content, list):
+            # Extract text from list of Text objects
+            content = "".join([chunk.text if hasattr(chunk, 'text') else str(chunk) for chunk in content])
+        elif not isinstance(content, str):
+            content = str(content)
+        return response_model.model_validate_json(_sanitize_json(content))