feat(ai): unify AI architecture, implement RAG and legacy migration

backend/src/modules/ai/ai.module.ts

@@ -1,22 +1,55 @@
 // File: src/modules/ai/ai.module.ts
-// Module สำหรับ AI Gateway — ลงทะเบียน Services และ Controllers (ADR-018, ADR-020)
+// Change Log
+// - 2026-05-14: เพิ่ม BullMQ/Qdrant/Service Account foundation สำหรับ ADR-023.
+// Module สำหรับ AI Gateway — ลงทะเบียน Services และ Controllers (ADR-023)
 
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { HttpModule } from '@nestjs/axios';
 import { ConfigModule } from '@nestjs/config';
+import { BullModule } from '@nestjs/bullmq';
 import { AiController } from './ai.controller';
 import { AiService } from './ai.service';
+import { AiIngestService } from './ai-ingest.service';
+import { AiQueueService } from './ai-queue.service';
+import { AiQdrantService } from './qdrant.service';
 import { AiValidationService } from './ai-validation.service';
+import { AiRagService } from './ai-rag.service';
+import { AiRagProcessor } from './processors/rag.processor';
+import { AiVectorDeletionProcessor } from './processors/vector-deletion.processor';
 import { MigrationLog } from './entities/migration-log.entity';
 import { AiAuditLog } from './entities/ai-audit-log.entity';
+import { MigrationReviewRecord } from './entities/migration-review.entity';
 import { UserModule } from '../user/user.module';
+import { MigrationModule } from '../migration/migration.module';
+import { FileStorageModule } from '../../common/file-storage/file-storage.module';
+import { Project } from '../project/entities/project.entity';
+import { Organization } from '../organization/entities/organization.entity';
+import { CorrespondenceType } from '../correspondence/entities/correspondence-type.entity';
 import { RbacGuard } from '../../common/guards/rbac.guard';
+import {
+  QUEUE_AI_INGEST,
+  QUEUE_AI_RAG,
+  QUEUE_AI_VECTOR_DELETION,
+} from '../common/constants/queue.constants';
 
 @Module({
   imports: [
     // Entities สำหรับ AI Module
-    TypeOrmModule.forFeature([MigrationLog, AiAuditLog]),
+    TypeOrmModule.forFeature([
+      MigrationLog,
+      AiAuditLog,
+      MigrationReviewRecord,
+      Project,
+      Organization,
+      CorrespondenceType,
+    ]),
+
+    BullModule.registerQueue(
+      { name: QUEUE_AI_INGEST },
+      { name: QUEUE_AI_RAG },
+      { name: QUEUE_AI_VECTOR_DELETION }
+    ),
 
     // HTTP Client สำหรับเรียก n8n Webhook (ADR-018: AI สื่อสารผ่าน API)
     HttpModule.register({
@@ -29,14 +62,31 @@ import { RbacGuard } from '../../common/guards/rbac.guard';
 
     // UserModule สำหรับ RbacGuard (ต้องการ UserService)
     UserModule,
+    MigrationModule,
+    FileStorageModule,
   ],
   controllers: [AiController],
   providers: [
     AiService,
+    AiIngestService,
+    AiQueueService,
+    AiQdrantService,
     AiValidationService,
+    // Phase 4: RAG BullMQ pipeline (ADR-023)
+    AiRagService,
+    AiRagProcessor,
+    // Phase 5: Vector Deletion async processor (ADR-023 FR-008)
+    AiVectorDeletionProcessor,
     // RbacGuard ต้องการ UserService จาก UserModule
     RbacGuard,
   ],
-  exports: [AiService, AiValidationService],
+  exports: [
+    AiService,
+    AiIngestService,
+    AiQueueService,
+    AiQdrantService,
+    AiValidationService,
+    AiRagService,
+  ],
 })
 export class AiModule {}