2 Commits

Author	SHA1	Message	Date
SpecialX	f1e466a772	fix(infra): resolve NestJS dist build and Prometheus target issues ... NestJS: disable incremental in 6 services tsconfig.json to fix dist not emitted when nest-cli deleteOutDir conflicts with tsc tsbuildinfo. classes/iam: import HealthModule in AppModule to fix /healthz 404. classes: rewrite HealthController to Drizzle getDb from TypeORM DI. teacher-bff: add /metrics endpoint for Prometheus scraping. infra: add node/mysql/redis exporters to observability profile. mysql-exporter v0.15.1 uses command-line flags not DATA_SOURCE_NAME. prometheus: enable web.enable-lifecycle for hot reload.	2026-07-09 15:12:15 +08:00
SpecialX	23246ade6d	feat(p3): core teaching service with Outbox + Kafka event bus ... P3 阶段交付物： - services/core-edu: 教学核心服务（DDD 限界上下文：exams/grades/homework/classes） - exams: 考试 CRUD + 事务内写 exam + outbox - grades: 成绩 CRUD - homework: 作业 CRUD - classes.module: 复用 P1 classes 模块（聚合到 core-edu 服务） - Outbox 模式实现： - outbox.schema.ts: core_edu_outbox 表（id/aggregate_id/event_type/payload/status/retry_count） - outbox.repository.ts: 支持事务参数 tx，确保业务+事件原子性 - outbox.publisher.ts: Kafka idempotent producer + transactionalId，TOPIC_MAP 路由 9 种事件，MAX_RETRY=5 - config/kafka.ts: idempotent producer + transactionalId 配置 - main.ts: 启动顺序 initTracer → connectKafka → outboxPublisher.start → app.listen - packages/shared-proto/proto/core_edu.proto: ExamService/HomeworkService/GradeService 契约 - packages/shared-proto/proto/events.proto: ClassEvent/ExamEvent/HomeworkEvent/GradeEvent 领域事件契约	2026-07-08 01:38:07 +08:00