Fix: Gracefully handle KeyboardInterrupt on exit.

main.py

@@ -159,6 +159,8 @@ def main():
             else:
                 console.print("[yellow]No new messages or an error occurred. Retrying...[/yellow]")
                 time.sleep(5) # Wait 5 seconds before retrying on error
+    except KeyboardInterrupt:
+        pass # Exit gracefully on Ctrl+C
     finally:
         log_file.close()
         save_log = input(f"\nDo you want to save the chat log to {log_filename}? (y/n): ").lower()