Update app.py

app.py

@@ -71,7 +71,7 @@ class SmartAgent:
         if not self.api_key:
             raise ValueError("GEMINI_API_KEY environment variable not set!")
         # Gemini 1.5 Flash - FREE tier: 1500 requests/day, 1M tokens/min
-        self.api_url = f"https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent?key={self.api_key}"
+        self.api_url = f"https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-lite-preview-06-17:generateContent?key={self.api_key}"
         print("SmartAgent initialized with Gemini 1.5 Flash (FREE - 1500 req/day)")
 
     def call_llm(self, prompt: str) -> str:
@@ -199,7 +199,7 @@ def run_and_submit_all(profile: gr.OAuthProfile | None):
         except Exception as e:
             print(f"Error on task {task_id}: {e}")
             results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": f"ERROR: {e}"})
-        import time; time.sleep(5)  # avoid rate limiting (free tier: 15 req/min)
+        import time; time.sleep(7)  # avoid rate limiting (free tier: 15 req/min)
 
     if not answers_payload:
         return "Agent did not produce any answers.", pd.DataFrame(results_log)