Store Discovery Parallelization:
- Add store_discovery_state handler for per-state parallel discovery
- Add POST /api/tasks/batch/store-discovery endpoint
- 8 workers can now process states in parallel (~30-45 min vs 3+ hours)
Modification Tracking (Migration 090):
- Add last_modified_at, last_modified_by_task, last_modified_task_id to dispensaries
- Add same columns to store_products
- Update all handlers to set tracking info on modifications
Stale Task Recovery:
- Add periodic stale cleanup every 10 minutes (worker-0 only)
- Prevents orphaned tasks from blocking queue after worker crashes
Task Deduplication:
- createStaggeredTasks now skips if pending/active task exists for same role
- Skips if same role completed within last 4 hours
- API responses include skipped count
🤖 Generated with [Claude Code](https://claude.com/claude-code)
