chore: 安全升级并完善 CI/测试

- 升级 js-yaml 修复生产依赖漏洞
- 新增 CI：lint/test/build
- 增加书签处理单测与可测性导出"- 生成器补充 config/user 缺失提示
- 增加 lint/format/check 脚本与 Prettier 配置
- 统一行尾策略并支持书签确定性输出"

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+jobs:
+  build_test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Unit tests
+        run: npm test
+
+      - name: Build
+        run: npm run build