fix: Docker 改用 pnpm 9，绕过 pnpm 11 build scripts 限制

pnpm 11 的 onlyBuiltDependencies 配置在 Docker 中始终不生效，
改用 npm 全局安装 pnpm 9 彻底解决。

.npmrc

@@ -1,5 +0,0 @@
-onlyBuiltDependencies[]=prisma
-onlyBuiltDependencies[]=@prisma/client
-onlyBuiltDependencies[]=@prisma/engines
-onlyBuiltDependencies[]=sharp
-onlyBuiltDependencies[]=unrs-resolver

Dockerfile

@@ -3,8 +3,8 @@ FROM node:22-alpine AS base
 # ── 依赖安装层 ──
 FROM base AS deps
 WORKDIR /app
-RUN corepack enable pnpm
-COPY package.json pnpm-lock.yaml .npmrc ./
+RUN npm install -g pnpm@9
+COPY package.json pnpm-lock.yaml ./
 COPY prisma ./prisma
 RUN pnpm install --frozen-lockfile
 RUN pnpm exec prisma generate
@@ -12,7 +12,7 @@ RUN pnpm exec prisma generate
 # ── 构建层 ──
 FROM base AS builder
 WORKDIR /app
-RUN corepack enable pnpm
+RUN npm install -g pnpm@9
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 ENV NEXT_TELEMETRY_DISABLED=1
@@ -21,7 +21,6 @@ RUN pnpm build
 # ── 运行层 ──
 FROM base AS runner
 WORKDIR /app
-RUN corepack enable pnpm
 
 ENV NODE_ENV=production
 ENV NEXT_TELEMETRY_DISABLED=1