code: def get_blueprint_routes(app, base_path):
          
  
          routes = []
  
          for child in app.url_map.iter_rules():
              if child.rule.startswith(base_path):
                  relative_path = child.rule[len(base_path):]
                  routes.append({
                      'path': relative_path,
                      'endpoint': child.endpoint,
                      'methods': list(child.methods)
                  })
  
          return routes
docs: Returns detailed information about registered blueprint routes matching the `BlueprintBundle` path
  
          :param app: App instance to obtain rules from
          :param base_path: Base path to return detailed route info for
          :return: List of route detail dicts