Update chat_handler.py

chat_handler.py

@@ -255,4 +255,10 @@ async def _call_api(s, intent_cfg):
     except Exception:
         return intent_cfg["fallback_error_prompt"]
     summary_prompt = api["response_prompt"].replace("{{api_response}}", json.dumps(api_json, ensure_ascii=False))
-    return await spark_generate(s, summary_prompt, "")
+    
+    summary = await spark_generate(s, summary_prompt, "")
+    if summary.strip() == "":
+        # yedek plan
+        summary = f"İşlem sonuç verisi: {json.dumps(api_json, ensure_ascii=False)}"
+        
+    return summary