fix: deploy-docs 构建前先 build 库包，解决 dist 目录不存在导致的解析失败

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: chenJJ-88

.github/workflows/deploy-docs.yml

@@ -25,6 +25,7 @@ jobs:
           node-version: 20
           cache: pnpm
       - run: pnpm install
+      - run: pnpm build
       - run: pnpm build:docs
       - uses: actions/upload-pages-artifact@v5
         with: