feat(M6-006,M6-007,M7-001,M7-002): admin jobs API, job event logging, channel adapter interface, message protocol (#325)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/gateway/src/log/cron.service.ts

@@ -5,59 +5,72 @@ import {
   type OnModuleInit,
   type OnModuleDestroy,
 } from '@nestjs/common';
-import cron from 'node-cron';
 import { SummarizationService } from './summarization.service.js';
 import { SessionGCService } from '../gc/session-gc.service.js';
+import {
+  QueueService,
+  QUEUE_SUMMARIZATION,
+  QUEUE_GC,
+  QUEUE_TIER_MANAGEMENT,
+} from '../queue/queue.service.js';
+import type { Worker } from 'bullmq';
+import type { MosaicJobData } from '../queue/queue.service.js';
 
 @Injectable()
 export class CronService implements OnModuleInit, OnModuleDestroy {
   private readonly logger = new Logger(CronService.name);
-  private readonly tasks: cron.ScheduledTask[] = [];
+  private readonly registeredWorkers: Worker<MosaicJobData>[] = [];
 
   constructor(
     @Inject(SummarizationService) private readonly summarization: SummarizationService,
     @Inject(SessionGCService) private readonly sessionGC: SessionGCService,
+    @Inject(QueueService) private readonly queueService: QueueService,
   ) {}
 
-  onModuleInit(): void {
+  async onModuleInit(): Promise<void> {
     const summarizationSchedule = process.env['SUMMARIZATION_CRON'] ?? '0 */6 * * *'; // every 6 hours
     const tierManagementSchedule = process.env['TIER_MANAGEMENT_CRON'] ?? '0 3 * * *'; // daily at 3am
     const gcSchedule = process.env['SESSION_GC_CRON'] ?? '0 4 * * *'; // daily at 4am
 
-    this.tasks.push(
-      cron.schedule(summarizationSchedule, () => {
-        this.summarization.runSummarization().catch((err) => {
-          this.logger.error(`Scheduled summarization failed: ${err}`);
-        });
-      }),
+    // M6-003: Summarization repeatable job
+    await this.queueService.addRepeatableJob(
+      QUEUE_SUMMARIZATION,
+      'summarization',
+      {},
+      summarizationSchedule,
     );
+    const summarizationWorker = this.queueService.registerWorker(QUEUE_SUMMARIZATION, async () => {
+      await this.summarization.runSummarization();
+    });
+    this.registeredWorkers.push(summarizationWorker);
 
-    this.tasks.push(
-      cron.schedule(tierManagementSchedule, () => {
-        this.summarization.runTierManagement().catch((err) => {
-          this.logger.error(`Scheduled tier management failed: ${err}`);
-        });
-      }),
+    // M6-005: Tier management repeatable job
+    await this.queueService.addRepeatableJob(
+      QUEUE_TIER_MANAGEMENT,
+      'tier-management',
+      {},
+      tierManagementSchedule,
     );
+    const tierWorker = this.queueService.registerWorker(QUEUE_TIER_MANAGEMENT, async () => {
+      await this.summarization.runTierManagement();
+    });
+    this.registeredWorkers.push(tierWorker);
 
-    this.tasks.push(
-      cron.schedule(gcSchedule, () => {
-        this.sessionGC.sweepOrphans().catch((err) => {
-          this.logger.error(`Session GC sweep failed: ${err}`);
-        });
-      }),
-    );
+    // M6-004: GC repeatable job
+    await this.queueService.addRepeatableJob(QUEUE_GC, 'session-gc', {}, gcSchedule);
+    const gcWorker = this.queueService.registerWorker(QUEUE_GC, async () => {
+      await this.sessionGC.sweepOrphans();
+    });
+    this.registeredWorkers.push(gcWorker);
 
     this.logger.log(
-      `Cron scheduled: summarization="${summarizationSchedule}", tier="${tierManagementSchedule}", gc="${gcSchedule}"`,
+      `BullMQ jobs scheduled: summarization="${summarizationSchedule}", tier="${tierManagementSchedule}", gc="${gcSchedule}"`,
     );
   }
 
-  onModuleDestroy(): void {
-    for (const task of this.tasks) {
-      task.stop();
-    }
-    this.tasks.length = 0;
-    this.logger.log('Cron tasks stopped');
+  async onModuleDestroy(): Promise<void> {
+    // Workers are closed by QueueService.onModuleDestroy — nothing extra needed here.
+    this.registeredWorkers.length = 0;
+    this.logger.log('CronService destroyed (workers managed by QueueService)');
   }
 }