feat: 完成现有小程序接口的全部迁移至新后端

apps/server/.agents/skills/prisma-orm-setup/references/v7-sqlite.md

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+# SQLite Setup
+
+Configure **Prisma ORM 7** with SQLite. For an existing Prisma 6 app, keep its configuration and use the [Prisma 6 docs](https://www.prisma.io/docs/orm/v6); the configuration and adapter examples below are for 7.
+
+## Prerequisites
+
+- None (file-based)
+
+## 1. Schema Configuration
+
+In `prisma/schema.prisma`:
+
+```prisma
+datasource db {
+  provider = "sqlite"
+}
+
+generator client {
+  provider = "prisma-client"
+  output   = "../generated"
+}
+```
+
+## 2. Config Configuration
+
+In `prisma.config.ts`:
+
+```typescript
+import 'dotenv/config'
+import { defineConfig, env } from 'prisma/config'
+
+export default defineConfig({
+  schema: 'prisma/schema.prisma',
+  datasource: {
+    url: env('DATABASE_URL'),
+  },
+})
+```
+
+## 3. Environment Variable
+
+In `.env`:
+
+```env
+DATABASE_URL="file:./dev.db"
+```
+
+### Connection String Format
+
+```
+file:PATH
+```
+
+- **PATH**: Relative path to the database file. Check `prisma.config.ts` if you need to confirm how your app resolves it.
+
+## Driver Adapter
+
+Use a driver adapter for the standard SQL workflow.
+
+1. Install adapter and driver:
+   ```bash
+   npm install @prisma/adapter-better-sqlite3@7 better-sqlite3
+   ```
+
+2. Instantiate Prisma Client with the adapter:
+   ```typescript
+   import 'dotenv/config'
+   import { PrismaClient } from '../generated/client'
+   import { PrismaBetterSqlite3 } from '@prisma/adapter-better-sqlite3'
+
+   const adapter = new PrismaBetterSqlite3({
+     url: process.env.DATABASE_URL!,
+   })
+
+   const prisma = new PrismaClient({ adapter })
+   ```
+
+## Using Driver Adapter (LibSQL / Turso)
+
+For edge compatibility or Turso:
+
+1. Install:
+   ```bash
+   npm install @prisma/adapter-libsql@7 @libsql/client
+   ```
+
+2. Instantiate:
+   ```typescript
+   import 'dotenv/config'
+   import { PrismaClient } from '../generated/client'
+   import { PrismaLibSql } from '@prisma/adapter-libsql'
+
+   const adapter = new PrismaLibSql({
+     url: process.env.TURSO_DATABASE_URL,
+     authToken: process.env.TURSO_AUTH_TOKEN,
+   })
+   const prisma = new PrismaClient({ adapter })
+   ```
+
+## Limitations
+
+- **Enums**: Prisma supports enum fields, but SQLite does not enforce enum values at the database level.
+- **No Scalar Lists**: `String[]` is not supported directly.
+- **Concurrency**: Write operations lock the file.
+
+## Common Issues
+
+### "Database file not found"
+
+Check the resolved file path for both the CLI and the runtime adapter; relative paths can resolve differently. Use an explicit path to the intended file rather than silently creating a second database.
+
+## References
+
+- [Prisma 7 SQLite documentation](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/sqlite)