feat: 完整 MVP — 剁手小黑屋反冲动消费 Web App

- 数据层: Prisma 7 + SQLite (better-sqlite3 adapter), Item 模型
- API: POST/GET/PATCH /api/items, 商品 CRUD 与状态流转
- 关押表单: 图片拖拽上传 + Canvas 压缩, Base64 存储
- 首页看守所: 72h 倒计时 Hook, 省钱看板, 冷却/释放卡片交互
- PWA: manifest.ts, apple-icon, viewport 沉浸配置, iOS 引导组件
- 部署: Dockerfile 多阶段构建, docker-compose, Jenkinsfile CI/CD
- 图标: 全套专属像素风锁头+购物车图标 (favicon/96/180/192/512/OG)

.gitignore

@@ -0,0 +1,47 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/versions
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# env files (can opt-in for committing if needed)
+.env*
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts
+
+/src/generated/prisma
+
+# database
+*.db
+*.db-journal