导航文件

各同步目录根部的 SUMMARY.md 提供按用途分组的场景导航，便于快速定位：

• Marketplace Experts — experts/ 功能导航
• Official Experts / External Plugins — official_experts/external_plugins/ 功能导航
• Official Experts / Plugins — official_experts/plugins/ 功能导航
• CB Teams Experts — cb_teams_experts/plugins/ 功能导航
• Skills — skills/ 功能导航
• Connectors / Marketplace — connectors/marketplace/ 功能导航