Switch deployment to npm and sync pnpm-lock.yaml with lunar-javascript.

Use npm ci/install in deploy script and docs to avoid frozen pnpm lockfile failures on the server.

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

README.md

@@ -45,8 +45,8 @@ pnpm run dev
 ```bash
 cd /opt/zhimingge
 cp .env.example .env.local && nano .env.local   # 填写 OPENAI_API_KEY，PORT=3130
-pnpm install --frozen-lockfile
-pnpm run build
+npm install --frozen-lockfile
+npm run build
 pm2 start ecosystem.config.cjs
 pm2 save && pm2 startup
 ```