feat(core-edu): 完整实现 core-edu 教学核心服务

包含 classes/exams/homework/grades/attendance/scheduling 域、outbox、iam-consumer、redis 配置等完整实现

services/core-edu/src/shared/outbox/outbox.schema.ts

@@ -1,16 +1,44 @@
-import { mysqlTable, varchar, text, timestamp, char, bigint } from 'drizzle-orm/mysql-core';
+import {
+  mysqlTable,
+  varchar,
+  text,
+  timestamp,
+  char,
+  bigint,
+  datetime,
+  index,
+  uniqueIndex,
+} from "drizzle-orm/mysql-core";
 
-export const outbox = mysqlTable('core_edu_outbox', {
-  id: char('id', { length: 36 }).notNull().primaryKey(),
-  aggregateId: char('aggregate_id', { length: 36 }).notNull(),
-  aggregateType: varchar('aggregate_type', { length: 50 }).notNull(),
-  eventType: varchar('event_type', { length: 100 }).notNull(),
-  payload: text('payload').notNull(),
-  status: varchar('status', { length: 20 }).notNull().default('pending'),
-  retryCount: bigint('retry_count', { mode: 'number' }).notNull().default(0),
-  createdAt: timestamp('created_at').notNull().defaultNow(),
-  processedAt: timestamp('processed_at'),
-});
+// 事务性发件箱（Outbox 模式）
+export const outbox = mysqlTable(
+  "core_edu_outbox",
+  {
+    id: char("id", { length: 36 }).notNull().primaryKey(),
+    eventId: char("event_id", { length: 36 }).notNull(),
+    aggregateId: char("aggregate_id", { length: 36 }).notNull(),
+    aggregateType: varchar("aggregate_type", { length: 50 }).notNull(),
+    eventType: varchar("event_type", { length: 100 }).notNull(),
+    occurredAt: datetime("occurred_at").notNull(),
+    payload: text("payload").notNull(),
+    status: varchar("status", { length: 20 }).notNull().default("pending"),
+    retryCount: bigint("retry_count", { mode: "number" }).notNull().default(0),
+    nextRetryAt: datetime("next_retry_at"),
+    createdAt: timestamp("created_at").notNull().defaultNow(),
+    processedAt: timestamp("processed_at"),
+  },
+  (table) => ({
+    uniqEventId: uniqueIndex("uniq_event_id").on(table.eventId),
+    idxOutboxStatusRetry: index("idx_outbox_status_retry").on(
+      table.status,
+      table.nextRetryAt,
+    ),
+    idxOutboxAggregate: index("idx_outbox_aggregate").on(
+      table.aggregateType,
+      table.aggregateId,
+    ),
+  }),
+);
 
 export type OutboxMessage = typeof outbox.$inferSelect;
 export type NewOutboxMessage = typeof outbox.$inferInsert;