fix：修复npm

backend/.npmrc

@@ -1 +1,2 @@
-onlyBuiltDependenciesFile=
+enable-pre-post-scripts=true
+onlyBuiltDependenciesFile=

backend/Dockerfile

@@ -4,10 +4,7 @@ FROM node:22-alpine AS builder
 
 WORKDIR /app
 
-ENV PNPM_APPROVE_BUILDS=*
-
-# 先装依赖（缓存最大化）
-COPY package.json pnpm-lock.yaml ./
+COPY package.json pnpm-lock.yaml .npmrc ./
 RUN corepack enable && pnpm install --frozen-lockfile
 
 # Prisma 客户端生成