refactor: 后端从 Django 换成 Bun + SQLite
Django 多个 worker 内存占用 1-2 GB,换成 Bun 单进程后约 25 MB, 同时去掉 Postgres 和 Redis,只剩 Caddy + Bun 两个容器。 - server/:Hono + bun:sqlite + Bun 原生 WebSocket,接口与原 django-ninja 保持兼容;表结构、时间/UUID 存储格式、密码哈希与 Django 一致,旧数据可直接使用 - 评分加权、贝叶斯平滑、成绩册的计算结果与原实现逐位一致(复刻 Python round/sum) - scripts/:Postgres → SQLite 迁移、新建超管、提示词层级标注、重算分数 - 前端:Django Admin 去掉后,用户新建/修改改为页面内弹窗; 非超管的挑战公开按钮置灰 - 权限不足返回 JSON 403(原来是重定向到不存在的登录页) - docker-compose / Caddyfile / dev.sh / CLAUDE.md 更新,删除 AGENTS.md - 服务器切换步骤见 docs/migrate-to-bun.md Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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import { app } from "./app"
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import { config } from "./config"
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import { upgrade, websocket, type WsData } from "./ws"
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const server = Bun.serve<WsData>({
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port: config.port,
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// 上传素材 / 图片
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maxRequestBodySize: 50 * 1024 * 1024,
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// AI 生成走 WebSocket,普通接口不会太久
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idleTimeout: 120,
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fetch(req, server) {
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const res = upgrade(req, server)
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if (res !== null) return res
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return app.fetch(req)
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},
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websocket,
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})
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console.log(`webpreview server listening on http://localhost:${server.port}`)
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