fix(gateway): disable Redis consumers on local tier (#689)

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

@@ -19,7 +19,7 @@ import type { MosaicJobData } from '../queue/queue.service.js';
 @Injectable()
 export class CronService implements OnModuleInit, OnModuleDestroy {
   private readonly logger = new Logger(CronService.name);
-  private readonly registeredWorkers: Worker<MosaicJobData>[] = [];
+  private readonly registeredWorkers: Array<Worker<MosaicJobData>> = [];
 
   constructor(
     @Inject(SummarizationService) private readonly summarization: SummarizationService,
@@ -28,6 +28,16 @@ export class CronService implements OnModuleInit, OnModuleDestroy {
   ) {}
 
   async onModuleInit(): Promise<void> {
+    // On Local tier BullMQ is disabled — skip all job scheduling.
+    // NOTE: this means summarization, tier management, and Valkey GC jobs do not
+    // run on Local installs. For a single-user local install this is acceptable.
+    // If periodic background work is needed on Local in the future, add a
+    // setInterval-based scheduler here.
+    if (!this.queueService.isEnabled()) {
+      this.logger.log('CronService: BullMQ disabled on local tier — no jobs will be scheduled');
+      return;
+    }
+
     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
@@ -42,7 +52,7 @@ export class CronService implements OnModuleInit, OnModuleDestroy {
     const summarizationWorker = this.queueService.registerWorker(QUEUE_SUMMARIZATION, async () => {
       await this.summarization.runSummarization();
     });
-    this.registeredWorkers.push(summarizationWorker);
+    if (summarizationWorker) this.registeredWorkers.push(summarizationWorker);
 
     // M6-005: Tier management repeatable job
     await this.queueService.addRepeatableJob(
@@ -54,14 +64,14 @@ export class CronService implements OnModuleInit, OnModuleDestroy {
     const tierWorker = this.queueService.registerWorker(QUEUE_TIER_MANAGEMENT, async () => {
       await this.summarization.runTierManagement();
     });
-    this.registeredWorkers.push(tierWorker);
+    if (tierWorker) this.registeredWorkers.push(tierWorker);
 
     // 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);
+    if (gcWorker) this.registeredWorkers.push(gcWorker);
 
     this.logger.log(
       `BullMQ jobs scheduled: summarization="${summarizationSchedule}", tier="${tierManagementSchedule}", gc="${gcSchedule}"`,