- Add trading burn system with black hole, share pool, and price calculation
- Implement per-minute auto burn and sell burn with multiplier
- Add Kafka event publishing via outbox pattern (order, trade, burn events)
- Add user.registered consumer to auto-create trading accounts
- Implement Redis + DB dual idempotency for event processing
- Add price, burn, and asset API controllers
- Add migrations for burn tables and processed events
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
