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Jeffery f44200f543 feat: 完成 B 群組 — 資料層與核心領域模型

- 導入 Prisma 7.9.1 + SQLite（better-sqlite3 driver adapter），prisma.config.ts 管理連線設定
- 完整資料模型：User／Work／Character／CharacterAlias／EpisodicMemory／SemanticMemory／
  ProceduralRule／EmotionState／Relationship／SentimentLedgerEntry
- packages/db：Prisma Client 存取層（ESM，因 Prisma 7 產出的 generated client 僅支援 ESM）
- apps/api 隨之改為 ESM 以相容 packages/db
- packages/shared：新增角色／記憶／情緒／關係共用型別，api 與 web 皆從此匯入
- prisma/seed.ts：建立測試使用者與元氣型測試角色，含完整關係帳本與記憶種子資料
- apps/api：新增 GET /characters
- scripts/smoke/B.mjs：驗證資料表齊全、API 讀出種子角色、關係與記憶可寫入讀出
- 保留 Prisma 官方隨 CLI 附的 agent skill 文件（.agents/skills 等），供後續群組查閱

npm run restart && npm run smoke -- B 皆通過（B-V），A 群組冒煙測試無回歸。

2026-08-13 09:43:15 +08:00

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SQLite Setup

Configure Prisma with SQLite.

Prerequisites

None (file-based)

1. Schema Configuration

In prisma/schema.prisma:

datasource db {
  provider = "sqlite"
}

generator client {
  provider = "prisma-client"
  output   = "../generated"
}

2. Config Configuration

In prisma.config.ts:

import { defineConfig, env } from 'prisma/config'

export default defineConfig({
  schema: 'prisma/schema.prisma',
  datasource: {
    url: env('DATABASE_URL'),
  },
})

3. Environment Variable

In .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.

Install adapter and driver:

npm install @prisma/adapter-better-sqlite3 better-sqlite3

Instantiate Prisma Client with the adapter:

import { PrismaClient } from '../generated/client'
import { PrismaBetterSqlite3 } from '@prisma/adapter-better-sqlite3'

const adapter = new PrismaBetterSqlite3({
  url: process.env.DATABASE_URL ?? 'file:./dev.db',
})

const prisma = new PrismaClient({ adapter })

Using Driver Adapter (LibSQL / Turso)

For edge compatibility or Turso:

Install:

npm install @prisma/adapter-libsql @libsql/client

Instantiate:

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

No Enums: SQLite doesn't support enums (Prisma polyfills them or treats as String).
No Scalar Lists: String[] is not supported directly.
Concurrency: Write operations lock the file.

Common Issues

"Database file not found"

Ensure the path in DATABASE_URL is correct relative to where Prisma is running or the schema file. file:./dev.db creates it next to schema.

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