feat(rfa-ai): Complete RFA Approval Refactor and AI Model Revision

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

@@ -1,13 +1,15 @@
 // File: src/modules/ai/ai.module.ts
 // Change Log
 // - 2026-05-14: เพิ่ม BullMQ/Qdrant/Service Account foundation สำหรับ ADR-023.
+// - 2026-05-15: เพิ่ม ai-realtime/ai-batch foundation และ stale paused recovery ตาม ADR-023A.
 // Module สำหรับ AI Gateway — ลงทะเบียน Services และ Controllers (ADR-023)
 
-import { Module } from '@nestjs/common';
+import { Logger, Module, OnModuleInit } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { HttpModule } from '@nestjs/axios';
 import { ConfigModule } from '@nestjs/config';
-import { BullModule } from '@nestjs/bullmq';
+import { BullModule, InjectQueue } from '@nestjs/bullmq';
+import { Queue } from 'bullmq';
 import { AiController } from './ai.controller';
 import { AiService } from './ai.service';
 import { AiIngestService } from './ai-ingest.service';
@@ -16,20 +18,30 @@ import { AiQdrantService } from './qdrant.service';
 import { AiValidationService } from './ai-validation.service';
 import { AiRagService } from './ai-rag.service';
 import { AiRagProcessor } from './processors/rag.processor';
+import { AiRealtimeProcessor } from './processors/ai-realtime.processor';
+import { AiBatchProcessor } from './processors/ai-batch.processor';
 import { AiVectorDeletionProcessor } from './processors/vector-deletion.processor';
+import { OllamaService } from './services/ollama.service';
+import { OcrService } from './services/ocr.service';
+import { EmbeddingService } from './services/embedding.service';
 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 { AuditLogModule } from '../audit-log/audit-log.module';
+import { AuditLog } from '../../common/entities/audit-log.entity';
+import { Attachment } from '../../common/file-storage/entities/attachment.entity';
 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_BATCH,
   QUEUE_AI_INGEST,
   QUEUE_AI_RAG,
+  QUEUE_AI_REALTIME,
   QUEUE_AI_VECTOR_DELETION,
 } from '../common/constants/queue.constants';
 
@@ -39,7 +51,9 @@ import {
     TypeOrmModule.forFeature([
       MigrationLog,
       AiAuditLog,
+      AuditLog,
       MigrationReviewRecord,
+      Attachment,
       Project,
       Organization,
       CorrespondenceType,
@@ -47,6 +61,24 @@ import {
 
     BullModule.registerQueue(
       { name: QUEUE_AI_INGEST },
+      {
+        name: QUEUE_AI_REALTIME,
+        defaultJobOptions: {
+          attempts: 3,
+          backoff: { type: 'exponential', delay: 2000 },
+          removeOnComplete: 100,
+          removeOnFail: 200,
+        },
+      },
+      {
+        name: QUEUE_AI_BATCH,
+        defaultJobOptions: {
+          attempts: 3,
+          backoff: { type: 'exponential', delay: 5000 },
+          removeOnComplete: 100,
+          removeOnFail: 500,
+        },
+      },
       { name: QUEUE_AI_RAG },
       { name: QUEUE_AI_VECTOR_DELETION }
     ),
@@ -64,6 +96,7 @@ import {
     UserModule,
     MigrationModule,
     FileStorageModule,
+    AuditLogModule,
   ],
   controllers: [AiController],
   providers: [
@@ -72,6 +105,11 @@ import {
     AiQueueService,
     AiQdrantService,
     AiValidationService,
+    OllamaService,
+    OcrService,
+    EmbeddingService,
+    AiRealtimeProcessor,
+    AiBatchProcessor,
     // Phase 4: RAG BullMQ pipeline (ADR-023)
     AiRagService,
     AiRagProcessor,
@@ -86,7 +124,28 @@ import {
     AiQueueService,
     AiQdrantService,
     AiValidationService,
+    OllamaService,
+    OcrService,
     AiRagService,
   ],
 })
-export class AiModule {}
+export class AiModule implements OnModuleInit {
+  private readonly logger = new Logger(AiModule.name);
+
+  constructor(
+    @InjectQueue(QUEUE_AI_REALTIME)
+    private readonly aiRealtimeQueue: Queue,
+    @InjectQueue(QUEUE_AI_BATCH)
+    private readonly aiBatchQueue: Queue
+  ) {}
+
+  /** ป้องกัน ai-batch ค้าง paused หลัง service restart ระหว่าง ai-realtime job */
+  async onModuleInit(): Promise<void> {
+    const isPaused = await this.aiBatchQueue.isPaused();
+    const activeCount = await this.aiRealtimeQueue.getActiveCount();
+    if (isPaused && activeCount === 0) {
+      await this.aiBatchQueue.resume();
+      this.logger.warn('ai-batch auto-resumed on startup (stale paused state)');
+    }
+  }
+}