ci: add test environment client deployment

Dockerfile

@@ -0,0 +1,27 @@
+# 构建 Vue 静态文件
+FROM node:22-alpine AS build
+
+WORKDIR /app
+
+# Corepack 与 pnpm 依赖均通过 npmmirror 下载，避免构建时访问 npm 官方源过慢。
+ENV COREPACK_NPM_REGISTRY=https://registry.npmmirror.com
+ENV NPM_CONFIG_REGISTRY=https://registry.npmmirror.com
+RUN corepack enable
+
+COPY package.json pnpm-lock.yaml ./
+COPY shared/package.json ./shared/package.json
+
+# package.json 和 lock 文件未变化时，这一层会由 Docker 自动复用。
+RUN pnpm config set registry https://registry.npmmirror.com && \
+    pnpm install --frozen-lockfile
+
+COPY . .
+RUN pnpm test && pnpm build
+
+# 运行阶段仅保留构建产物与 Nginx。
+FROM nginx:1.27-alpine
+
+COPY nginx/default.conf.template /etc/nginx/templates/default.conf.template
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80