fix: providers.refresh queue is created on scheduler startup

[SgtPooki]

Summary

This PR fixes intermittent worker startup errors:

Queue providers.refresh does not exist (Queue: providers.refresh, Worker: ...)

Root Cause

JobsService registered a worker for providers.refresh, but startup only explicitly created sp.work.

In our deployed topology (DEALBOT_RUN_MODE=worker, DEALBOT_PGBOSS_SCHEDULER_ENABLED=false), workers can start polling before the scheduler ever creates providers.refresh, causing repeated pg-boss errors.

Fix

• Added explicit startup queue creation for all worker-consumed queues:

1. sp.work (singleton policy)
2. metrics.run
3. metrics.cleanup
4. providers.refresh

• Refactored queue creation into a dedicated ensureWorkerQueues(...) helper invoked from startBoss().

Tests

• Updated worker registration test to assert providers.refresh worker registration.
• Added a new test to verify all required queues are created during startup.
• Verified with:
  • pnpm -C apps/backend test -- src/jobs/jobs.service.spec.ts

Notes

• Keeping queue creation in worker startup is intentional: createQueue is idempotent and avoids scheduler/worker startup races.
• No infra/env changes required.

[Copilot]

Pull request overview

This PR fixes a race condition where workers could start polling for jobs before the scheduler created the providers.refresh queue, causing intermittent startup errors. The fix ensures all worker-consumed queues are created explicitly during worker startup, making queue creation independent of scheduler timing.

Changes:

• Refactored queue creation into a dedicated ensureWorkerQueues() helper method
• Added explicit creation for all four worker-consumed queues: sp.work, metrics.run, metrics.cleanup, and providers.refresh
• Updated tests to verify all worker queues are created and registered properly

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
apps/backend/src/jobs/jobs.service.ts	Extracted queue creation logic into ensureWorkerQueues() method and added creation for all worker-consumed queues
apps/backend/src/jobs/jobs.service.spec.ts	Added test for new ensureWorkerQueues() method and updated existing test to use queue constants instead of hardcoded strings

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