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)

prisma/schema.prisma

@@ -0,0 +1,18 @@
+generator client {
+  provider = "prisma-client"
+  output   = "../src/generated/prisma"
+}
+
+datasource db {
+  provider = "sqlite"
+}
+
+model Item {
+  id        String   @id @default(uuid())
+  name      String
+  price     Float
+  link      String
+  image     String
+  status    String   @default("cooling")
+  createdAt DateTime @default(now())
+}