fix: align market selection checkboxes with rows

- Fix checkbox column misalignment with creator list items
- Add syncContentCellHeight to keep selection cells aligned with native rows
- Add MarketAlignmentDiagnostic for debugging alignment issues
- Update documentation to clarify dist-release folder usage
- Add npm run build:release step to colleague setup guide

docs/【给同事】从Git下载使用说明.md

@@ -43,6 +43,8 @@ git clone https://git.internal.intelligrow.cn/wangshaoqing/star-chart-search-enh
    star-chart-search-enhancer/dist-release/
    ```
 
+   ⚠️ **重要**：必须选择 `dist-release` 这个子文件夹，不要选外层文件夹
+
 ✅ 安装成功！你会看到插件卡片。
 
 ---
@@ -74,10 +76,16 @@ git clone https://git.internal.intelligrow.cn/wangshaoqing/star-chart-search-enh
 ```bash
 cd Desktop/star-chart-search-enhancer
 git pull
+npm run build:release
 ```
 
 然后到 `chrome://extensions` 页面点击插件卡片的 **"重新加载"** 🔄
 
+⚠️ **如果重新加载后还是旧版本**：
+- 先点击插件卡片的 **"移除"** 删除旧版本
+- 然后重新点击 **"加载已解压的扩展程序"**
+- 再次选择 `dist-release` 文件夹
+
 ---
 
 ## ❓ 常见问题