修复Dockerfile，支持无pnpm-lock.yaml的构建

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

Dockerfile

@@ -7,13 +7,13 @@ WORKDIR /app
 RUN npm install -g pnpm@9
 
 # 复制package文件
-COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
+COPY package.json pnpm-workspace.yaml ./
 COPY apps ./apps
 COPY packages ./packages
 COPY internal ./internal
 
-# 安装依赖
-RUN pnpm install --frozen-lockfile
+# 安装依赖（如果存在lock文件则使用）
+RUN pnpm install --no-frozen-lockfile
 
 # 构建前端
 RUN pnpm build
@@ -25,12 +25,12 @@ WORKDIR /app
 
 # 复制后端代码
 COPY apps/backend ./apps/backend
-COPY package.json pnpm-lock.yaml ./
+COPY package.json ./
 
 # 安装pnpm和依赖
 RUN npm install -g pnpm@9 && \
     cd apps/backend && \
-    pnpm install --frozen-lockfile
+    pnpm install --no-frozen-lockfile
 
 # ===== Nginx + Node.js 运行阶段 =====
 FROM node:20-alpine AS runner