forked from xiongyuxing/tiku-backend.net
feat(docs): 添加 TIKU Backend 当前技术架构图
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题库 SaaS 的正式后端。项目已收敛到 ASP.NET Core + EF Core + PostgreSQL，本仓库是后续开发的唯一目标后端。架构决策见 [ADR 0001](docs/adr/0001-authoritative-dotnet-backend.md)。
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## 架构边界
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- 旧 NestJS / Supabase 仓库只作为业务行为和接口清单参考，不作为运行时依赖。
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docs/assets/tiku-backend-architecture.svg
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docs/assets/tiku-backend-architecture.svg
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<svg xmlns="http://www.w3.org/2000/svg" width="1600" height="1080" viewBox="0 0 1600 1080" role="img" aria-labelledby="title desc">
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<title id="title">TIKU Backend 当前技术架构图</title>
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<desc id="desc">TIKU Backend 是 ASP.NET Core 模块化单体。API、Worker 和 DbMigrator 共享 Application 契约、Infrastructure 实现以及 PostgreSQL、Redis、RabbitMQ 和外部服务。</desc>
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<rect class="bg" width="1600" height="1080"/>
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<text class="title" x="56" y="54">TIKU Backend 当前技术架构</text>
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<text class="subtitle" x="57" y="82">ASP.NET Core 模块化单体 · Application 定义契约与上下文 · Infrastructure 提供业务、持久化和 Provider 实现</text>
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<!-- Clients -->
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<text class="group-title" x="48" y="129">访问端</text>
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<rect class="group" x="40" y="145" width="230" height="570" rx="4"/>
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<text class="badge-text" x="96" y="211">P</text>
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<text class="node-title" x="124" y="207">平台管理端</text>
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<text class="node-text" x="84" y="239">/platform-admin 静态原型</text>
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<text class="node-tiny" x="84" y="258">平台账号 · SaaS 运营</text>
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<text class="badge-text" x="96" y="338">T</text>
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<text class="node-title" x="124" y="334">租户管理端</text>
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<text class="node-text" x="84" y="366">内容与业务运营</text>
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<text class="node-tiny" x="84" y="385">租户 Realm · RBAC</text>
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<text class="badge-text" x="96" y="465">H5</text>
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<text class="node-title" x="124" y="461">学员端</text>
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<text class="node-text" x="84" y="493">H5 / 小程序 / App</text>
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<text class="node-tiny" x="84" y="512">学习 · 题库 · 商城</text>
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<text class="badge-text" x="96" y="592">↩</text>
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<text class="node-title" x="124" y="588">外部回调</text>
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<text class="node-text" x="84" y="620">微信 / 支付通知</text>
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<text class="node-tiny" x="84" y="639">签名校验 · 幂等处理</text>
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<!-- API -->
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<text class="group-title" x="318" y="129">HTTP 接入与安全管线</text>
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<text class="badge-text" x="371" y="211">API</text>
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<text class="node-title" x="402" y="207">Tiku.Api</text>
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<text class="node-text" x="356" y="239">ASP.NET Core Controller API</text>
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<text class="node-tiny" x="356" y="258">OpenAPI / Scalar · 静态文件</text>
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<rect class="node" x="338" y="307" width="299" height="184" rx="6"/>
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<text class="node-title" x="358" y="337">请求管线（按执行顺序）</text>
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<text class="node-text" x="358" y="367">1 日志 / 异常 / Forwarded Headers / HTTPS</text>
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<text class="node-text" x="358" y="393">2 Static / Routing / CORS</text>
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<text class="node-text" x="358" y="419">3 可信 Host 租户解析 / Browser CSRF</text>
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<text class="node-text" x="358" y="445">4 JWT / 认证分区限流 / Rate Limiter</text>
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<text class="node-text" x="358" y="471">5 CurrentPrincipal / Authorization / Feature</text>
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<text class="node-title" x="358" y="556">Controller 边界</text>
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<text class="node-text" x="358" y="584">平台 SaaS 管理 · 租户后台</text>
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<text class="node-text" x="358" y="608">题库内容学习 · 商城增长</text>
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<text class="node-text" x="358" y="632">认证运行时 · 支付回调 · 后台任务</text>
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<text class="edge-label" x="272" y="214">HTTPS</text>
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<!-- Modular monolith -->
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<text class="group-title" x="713" y="129">模块化单体业务核心</text>
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<text class="node-title" x="755" y="210">Tiku.Application：契约与执行上下文</text>
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<text class="node-text" x="755" y="239">用例接口 / Provider 接口 · TenantContext · CurrentUser</text>
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<text class="node-tiny" x="755" y="261">仅引用 Domain；不包含 EF Core 与第三方 SDK</text>
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<rect class="node-amber" x="733" y="307" width="509" height="92" rx="6"/>
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<text class="node-title" x="755" y="337">Tiku.Domain：领域模型</text>
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<text class="node-text" x="755" y="366">Identity · Tenant · Catalog · QuestionBank · Content</text>
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<text class="node-tiny" x="755" y="387">Learning · Commerce · Growth · Operations · Platform</text>
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<rect class="node-violet" x="733" y="428" width="509" height="225" rx="6"/>
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<text class="node-title" x="755" y="458">Tiku.Infrastructure：当前业务实现与适配器</text>
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<text class="node-title" x="773" y="508">平台底座</text>
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<text class="node-text" x="773" y="535">身份认证</text>
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<text class="node-text" x="773" y="558">租户 / 域名</text>
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<text class="node-text" x="773" y="581">RBAC / Feature</text>
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<text class="node-text" x="773" y="604">SaaS / 审计</text>
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<rect class="node" x="915" y="480" width="144" height="142" rx="5"/>
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<text class="node-title" x="933" y="508">教育业务</text>
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<text class="node-text" x="933" y="535">分类 / 内容</text>
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<text class="node-text" x="933" y="558">题库 / 视频</text>
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<text class="node-text" x="933" y="581">学习 / 分数线</text>
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<text class="node-text" x="933" y="604">档案 / 资源</text>
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<rect class="node" x="1075" y="480" width="144" height="142" rx="5"/>
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<text class="node-title" x="1093" y="508">交易增长</text>
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<text class="node-text" x="1093" y="535">订单 / 支付</text>
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<text class="node-text" x="1093" y="558">积分 / 推荐</text>
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<text class="node-text" x="1093" y="581">CRM / 佣金</text>
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<text class="node-text" x="1093" y="604">平台账务</text>
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<text class="edge-label" x="658" y="577">调用契约</text>
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<text class="edge-label" x="997" y="298">引用</text>
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<!-- Processes -->
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<text class="badge-text" x="1368" y="211">W</text>
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<text class="node-title" x="1398" y="207">Tiku.Worker</text>
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<text class="node-text" x="1354" y="242">域名 DNS / TLS 生命周期</text>
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<text class="node-text" x="1354" y="296">Feature 用量校准</text>
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<text class="node-text" x="1354" y="323">后台任务租约执行</text>
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<text class="badge-text" x="1368" y="439">DB</text>
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<text class="node-title" x="1398" y="435">Tiku.DbMigrator</text>
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<text class="node-text" x="1354" y="471">EF Core Migrate</text>
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<text class="node-text" x="1354" y="498">Development Seed</text>
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<text class="node-text" x="1354" y="525">平台管理员安全引导</text>
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<text class="node-title" x="1354" y="616">共享组合方式</text>
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<text class="node-tiny" x="1354" y="638">Application + Infrastructure</text>
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<path class="edge-dash" d="M1336 480H1242"/>
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<!-- Data and external systems -->
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<text class="group-title" x="48" y="773">数据、消息与外部服务</text>
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<text class="badge-text" x="105" y="859">PG</text>
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<text class="node-title" x="139" y="854">PostgreSQL</text>
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<text class="node-text" x="92" y="892">EF Core 实体 / Identity / AuthSession</text>
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<text class="node-text" x="92" y="917">业务数据 / BackgroundJob / Outbox</text>
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<text class="node-tiny" x="92" y="944">Query Filter · 写入拦截 · 数据库 Guard</text>
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<text class="badge-text" x="407" y="859">R</text>
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<text class="node-title" x="441" y="854">Redis</text>
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<text class="node-text" x="394" y="892">安全状态与失效广播</text>
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<text class="node-text" x="394" y="917">分布式缓存</text>
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<text class="node-tiny" x="394" y="944">Production 必需</text>
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<text class="badge-text" x="644" y="859">MQ</text>
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<text class="node-title" x="678" y="854">RabbitMQ</text>
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<text class="node-text" x="631" y="892">MassTransit + EF Outbox</text>
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<text class="node-text" x="631" y="917">安全状态 / 后台任务消息</text>
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<text class="node-tiny" x="631" y="944">API 发布 · Worker 消费</text>
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<text class="node-title" x="890" y="856">对象存储</text>
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<text class="node-text" x="890" y="892">Alibaba Cloud OSS</text>
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<text class="node-text" x="890" y="917">预签名上传 / 资源访问</text>
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<text class="node-title" x="1127" y="856">通信与支付</text>
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<text class="node-text" x="1127" y="892">阿里云短信 · 微信 OAuth</text>
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<text class="node-text" x="1127" y="917">微信支付 · 支付宝</text>
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<text class="node-tiny" x="1127" y="944">租户级配置与加密 Secret</text>
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<text class="node-text" x="1364" y="892">DNS 所有权校验</text>
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<text class="node-text" x="1364" y="917">HTTP 网关开通</text>
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<text class="node-tiny" x="1364" y="944">自定义域名生命周期</text>
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<text class="boundary-text" x="61" y="1050">项目依赖方向：Api → Application + Infrastructure ｜ Worker → Application + Infrastructure ｜ DbMigrator → Infrastructure ｜ Infrastructure → Application + Domain + Contracts ｜ Application → Domain</text>
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</svg>
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||||
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