docs: 更新功能入口与主界面布局说明 - #83

❌ CLA 检查未通过 / CLA check failed 请在 PR 描述中勾选「我已阅读并同意贡献者许可协议 (CLA)」后再提交。 Please check the "I have read and agree to the Contributor License Agreement (CLA)" checkbox in the PR description before submitting. 如果 PR 描述中没有该选项，请使用仓库的 PR 模板重新创建。 If the checkbox is missing, please recreate the PR using the repository PR template.

On December 2, 2026, GitHub will restrict `pull_request_target` on public repositories by default. To continue allowing the event trigger, configure an Actions policy. Learn more: https://gh.io/securely-using-pull_request_target#default-policy-for-pull_request_target

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/github-script@v7. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/