fix: 纳入 mobile pnpm-lock 并简化 CI 安装，保证与本地依赖树一致

删除无效 pnpm-workspace.yaml；CI 用 frozen-lockfile + 跳过 puppeteer 下载。

Co-authored-by: Cursor <cursoragent@cursor.com>

mobile/pnpm-workspace.yaml

@@ -1,5 +0,0 @@
-allowBuilds:
-  '@parcel/watcher': set this to true or false
-  core-js: set this to true or false
-  fsevents: set this to true or false
-  puppeteer: set this to true or false