chore(content): merge content full implementation into main

Merge feat/content-ai09 with complete content service

services/content/src/shared/outbox/outbox.schema.ts

@@ -0,0 +1,39 @@
+import {
+  mysqlTable,
+  varchar,
+  text,
+  timestamp,
+  int,
+  index,
+} from "drizzle-orm/mysql-core";
+
+export const outbox = mysqlTable(
+  "content_outbox_events",
+  {
+    id: varchar("id", { length: 32 }).notNull().primaryKey(),
+    aggregateType: varchar("aggregate_type", { length: 64 }).notNull(),
+    aggregateId: varchar("aggregate_id", { length: 32 }).notNull(),
+    eventType: varchar("event_type", { length: 100 }).notNull(),
+    topic: varchar("topic", { length: 128 }).notNull(),
+    payload: text("payload").notNull(),
+    status: varchar("status", { length: 20 }).notNull().default("pending"),
+    retryCount: int("retry_count").notNull().default(0),
+    createdAt: timestamp("created_at").notNull().defaultNow(),
+    publishedAt: timestamp("published_at"),
+    nextRetryAt: timestamp("next_retry_at"),
+    lastError: text("last_error"),
+  },
+  (table) => ({
+    statusRetryIdx: index("idx_outbox_status_retry").on(
+      table.status,
+      table.nextRetryAt,
+    ),
+    aggregateIdx: index("idx_outbox_aggregate").on(
+      table.aggregateType,
+      table.aggregateId,
+    ),
+  }),
+);
+
+export type OutboxMessage = typeof outbox.$inferSelect;
+export type NewOutboxMessage = typeof outbox.$inferInsert;