Update dependencies and improve Python path handling

Updated several frontend dependencies including MUI packages and added new ones like `@mui/x-charts`. Adjusted the Python path setup in the CI configuration to correctly point to the `aaredb` backend, ensuring accurate module resolution.

backend/main.py

@@ -225,6 +225,7 @@ if __name__ == "__main__":
         # Test or CI Mode: Run server process temporarily for test validation
         ssl_dir = Path(cert_path).parent
         ssl_dir.mkdir(parents=True, exist_ok=True)
+        os.makedirs("images", exist_ok=True)
 
         # Generate self-signed certs if missing
         if not Path(cert_path).exists() or not Path(key_path).exists():