Wind Round & Scoring Overhaul!

Round winds now rotate automatically (East → South → West → North) for a more authentic Mahjong experience
Improved dealer rules: dealer keeps the seat after a win or draw, otherwise rotates — seat winds (E/S/W/N) are always clearly shown
Detailed Fan breakdown: Tsumo, Seven Pairs, All Pongs, Pure One Suit, Mixed One Suit and more, listed item by item when you win
Visual settlement diagrams: see exactly who pays and who collects for both Tsumo and Ron
10 new virtual opponents with unique avatars join your table, randomly selected each new game
Scores now carry over between rounds and are saved automatically
UI polish and layout fixes for phones & tablets