Method syncToCloud

apps/webuiapps/src/lib/FileSystemStore.ts:680–692

* Sync write to cloud

(path: string, content: unknown)

   * Sync write to cloud
   */
  async syncToCloud(path: string, content: unknown): Promise<void> {
    if (!this.fileApi) {
      console.warn('[FileSystemStore] FileApi not configured, skip cloud sync');
      return;
    }

    try {
      await this.fileApi.writeFile(path, content);
    } catch (error) {
      console.error('[FileSystemStore] Failed to sync to cloud:', error);
      throw error;
    }
  }

  /**
   * Delete from cloud