📦 build(docker): add pnpm-lock.yaml to docker build context

- include pnpm-lock.yaml in docker build to ensure consistent dependency installation
- improve build reproducibility by using locked dependency versions

Dockerfile

@@ -19,7 +19,7 @@ RUN npm install -g pnpm@10.18.3
 WORKDIR /app
 
 # 复制根目录配置文件
-COPY package.json pnpm-workspace.yaml .npmrc ./
+COPY package.json pnpm-workspace.yaml pnpm-lock.yaml .npmrc ./
 
 # 复制各项目 package.json
 COPY web/package.json ./web/