Method sendError

public/picker/react-component-picker.js:436–445

* Send error to parent window

(message)

     * Send error to parent window
     */
    sendError(message) {
      try {
        window.parent.postMessage({
          type: 'picker-error',
          error: message
        }, '*');
      } catch (error) {
        console.error('[Pilot Picker] Error sending error to parent:', error);
      }
    }
  }

  // Initialize picker instance