- Add payout database records: processPayout now inserts into payouts
table with tx_hash, fee, status, and updates user statistics
- Fix credits deduction: QueueManager game start methods now properly
call processGameStart() to deduct credits (was being skipped)
- Fix credits_update emission: moved from GameModeManager (no io access)
to socketHandlers/queueManager where io is available
- Add payment recovery: users who disconnect during payment confirmation
now get credits recovered automatically on reconnect
- Remove dead handlePaymentDetected method that referenced undefined this.db
jwinterm