- Add RunWorker: BLPOP loop with context cancellation and retryInterval backoff
- Add NoOpHandler: Phase 1 placeholder that drains ops with a log line
- Drop ops after maxAttempts with warning log (T-05-03 mitigation)
- Update main.go: non-fatal WAQ init, graceful HTTP shutdown on SIGINT/SIGTERM
- Add PendingOp struct with UUID, type, payload, created_at, attempts
- Add WAQ type backed by DragonFlyDB via go-redis v9
- Implement Enqueue (RPUSH), Dequeue (BLPOP), Len (LLEN)
- Custom URL parser handles passwords with forward slashes
- Unit tests pass; integration test passes against DragonFlyDB at 10.5.0.10:6379