refactor: Simplify application launch configuration and update Gradio version constraint

app.py

@@ -12,7 +12,6 @@ from dotenv import load_dotenv
 load_dotenv()
 
 # Add debug information for deployment
-print(f"===== Application Startup at {__import__('datetime').datetime.now().strftime('%Y-%m-%d %H:%M:%S')} =====")
 print(f"Python version: {sys.version}")
 
 
@@ -70,13 +69,8 @@ def main():
 if __name__ == "__main__":
     try:
         demo = main()
-        # Add some configuration for better stability
-        demo.launch(
-            show_error=True,
-            debug=False,  # Set to False in production
-            show_tips=False,
-            enable_queue=True,
-        )
+        # Simple launch configuration for maximum compatibility
+        demo.launch()
     except Exception as e:
         print(f"❌ Critical error during launch: {e}")
         import traceback

requirements.txt

@@ -1,4 +1,4 @@
-gradio>=4.44.0,<5.0.0
+gradio>=4.0.0
 google-api-python-client>=2.0.0
 google-auth-httplib2>=0.1.0
 google-auth-oauthlib>=1.0.0