Fix syntax error in Hugging Face response handling

agent/llm_client.py

@@ -475,14 +475,14 @@ class LLMClient:
             resp.raise_for_status()
             data = resp.json()
             # Response can be list or dict
-            text = \"\"
+            text = ""
             if isinstance(data, list) and data:
                 if isinstance(data[0], dict):
-                    text = data[0].get(\"generated_text\", \"\") or data[0].get(\"generated_texts\", \"\")
+                    text = data[0].get("generated_text", "") or data[0].get("generated_texts", "")
                 else:
                     text = str(data[0])
             elif isinstance(data, dict):
-                text = data.get(\"generated_text\", \"\") or data.get(\"generated_texts\", \"\") or \"\"
+                text = data.get("generated_text", "") or data.get("generated_texts", "") or ""
             if monitor:
                 monitor.complete_call(call_id, success=True)
             return text