feat: 页面模板差异化改进 + 配置优化 + 兼容清理 (#29)

- 首页判定：navigation 第一项
- 模板：page/projects/articles/bookmarks/search-results
- bookmarks：update: YYYY-MM-DD | from: git|mtime
- articles：RSS 聚合只读条目 + 分类聚合 + 影子写回结构
- projects：repo 卡片 + 可选热力图 + 自动抓取元信息
- 工作流：构建前 sync + schedule 定时刷新
- 移除兼容：config.yml/config.yaml、navigation.yml、home 特例
- 迁移说明：config/update-instructions.md

.github/workflows/deploy.yml

@@ -4,6 +4,9 @@ on:
   push:
     branches: [ main ]
   workflow_dispatch:
+  schedule:
+    # 定时刷新 RSS / projects 仓库元信息（GitHub Actions 的 cron 使用 UTC 时区）
+    - cron: '0 2 * * *'
   
 # 设置GITHUB_TOKEN的权限
 permissions:
@@ -34,7 +37,7 @@ jobs:
           cache: 'npm'
           
       - name: Install dependencies
-        run: npm install
+        run: npm ci
         
       # --- 书签处理步骤 --- 
       - name: Check for bookmark HTML files
@@ -109,14 +112,6 @@ jobs:
               fi
             fi
 
-            # Also check for legacy navigation file changes
-            if [ -f config/user/navigation.yml ]; then
-              if ! git diff --quiet config/user/navigation.yml; then
-                echo "config/user/navigation.yml has changes, committing..."
-                git add config/user/navigation.yml
-                git commit -m "Update navigation to include bookmarks page"
-              fi
-            fi
           else
             echo "ERROR: config/user/pages/bookmarks.yml does not exist! Bookmark processing may have failed."
             echo "Current directory contents:"
@@ -181,8 +176,18 @@ jobs:
            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       # --- 网站构建和部署步骤 ---
-      - name: Generate site
-        run: npm run generate
+      # 同步时效性数据（best-effort）：projects 仓库信息、articles RSS 聚合
+      # 说明：
+      # - 同步结果写入 dev/（仓库默认 gitignore），仅用于本次构建渲染
+      # - 同步脚本内部已做 best-effort（失败不阻断后续 build）
+      - name: Sync projects (best-effort)
+        run: npm run sync-projects
+
+      - name: Sync articles (best-effort)
+        run: npm run sync-articles
+
+      - name: Build site (clean dist + generate)
+        run: npm run build
         
       - name: Check favicon
         run: |