prosolis b9237181b1 Fix Blackjack bugs and UNO multiplayer issues, add simultaneous play ...

Blackjack:
- Fix handValue soft flag for multi-ace hands (A+A+5 returned soft=false,
  causing dealer to incorrectly stand on soft 17)
- Fix loss display showing €-50 instead of -€50
- Round down Blackjack 1.5x payout per requirements (math.Floor)
- Restrict !bjboard to games room like all other game commands
- Fix leaderboard showing misleading W/L (pushes counted as losses)
- Notify user when bet is capped to max instead of silently capping
- Fix bet max message to use min(MaxBet, maxAvailable)
- Rework to simultaneous play: all players hit/stand independently
  with one shared round timer, reminders at 30s and 10s remaining
- Add !blackjack deal to skip the 60s join wait
- Add mid-round forfeit via !blackjack leave during play
- Set minimum 5s delay for reminder timers to avoid spam on low timeouts

Multiplayer UNO:
- Fix lobby race conditions: move euro debit inside mutex lock to
  prevent lobby overwrites and missed refunds
- Extract shared applyCardEffects to deduplicate card effect logic
  from applyAndAnnounce, botMultiTurn, and applyAutoEffects
- Add 10-minute game inactivity timeout with refunds (was in
  requirements but not implemented)
- Add card count to all "draws a card, turn passes" room messages
  so spectators can track hand sizes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-19 21:59:57 -07:00

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