193410200e
- Core: GameMode::TimeAttack variant (no scoring/undo changes — session marker only) - Engine: TimeAttackPlugin with TimeAttackResource, TimeAttackEndedEvent, T hotkey (gated to level >= 5), auto-deal on win, summary toast - Engine: Stats overlay (S) gains an Unlocks subsection (card backs / backgrounds, sorted/deduped) and a live Time Attack panel while active Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>