Backend:
- Fixed track endpoint duplicate key error with proper rollback
- Returns domain_id for already tracked domains
Frontend DropsTab:
- Added trackedDrops state to show "Tracked" status
- Track button shows checkmark when already in watchlist
- Status button shows "In Transition" with countdown
AnalyzePanel:
- Added dropStatus to store for passing drop info
- Shows Drop Status banner with availability
- "Buy Now" button for available domains in panel
- Disabled verify_drops scheduler job (caused RDAP rate limit bans)
- Zone files now saved without RDAP verification (zone diff is reliable)
- Added date-based zone file snapshots with 3-day retention
- Improved DropsTab UI with better status display:
- "In Transition" with countdown timer for dropping_soon
- "Available Now" with Buy button
- "Re-registered" for taken domains
- Track button for dropping_soon domains
- Added --shm-size=8g to backend container for multiprocessing
- Removed duplicate host cron job (scheduler handles everything)
