fix: Flask make_default_response AttributeError in API before_request

- Replaced make_default_response with make_default_options_response which exists in Flask >= 3.0
- Avoids HTTP 500 on valid API requests

routes/api.py

@@ -57,14 +57,14 @@ def before_api_request():
     """Before request handler for API routes."""
     # Set CORS headers for API routes
     if current_app.config.get('ENABLE_CORS', True):
-        response = current_app.make_default_response()
+        response = current_app.make_default_options_response()
         response.headers['Access-Control-Allow-Origin'] = '*'
         response.headers['Access-Control-Allow-Methods'] = 'GET, POST, PUT, DELETE, OPTIONS'
         response.headers['Access-Control-Allow-Headers'] = 'Content-Type, Authorization, X-Public-Key, X-Request-ID'
     
     # Handle OPTIONS requests
     if request.method == 'OPTIONS':
-        return jsonify({'status': 'ok'}), 200
+        return current_app.make_default_options_response()
 
 
 @api_bp.errorhandler(BadRequest)