feat(SCOPONE-0002): rotate starting player clockwise each round

src/game/engine.ts

@@ -81,7 +81,7 @@ export function canCapture(played: Card, table: Card[]): boolean {
 // Game state initialisation
 // ---------------------------------------------------------------------------
 
-export function createInitialState(): GameState {
+export function createInitialState(startingPlayer: PlayerIndex = 0): GameState {
   const deck = shuffle(buildDeck());
 
   const players: [Player, Player, Player, Player] = [
@@ -106,7 +106,7 @@ export function createInitialState(): GameState {
   return {
     players,
     table,
-    currentPlayer: 0,
+    currentPlayer: startingPlayer,
     roundOver: false,
     gameOver: false,
     teamScores: [emptyTeamScore(), emptyTeamScore()],

src/scenes/GameScene.ts

@@ -1301,9 +1301,10 @@ export class GameScene extends Phaser.Scene {
   private startNewRound(): void {
     const totals = this.state.teamScores.map(t => t.totalPoints);
     const nextRound = (this.state.roundNumber ?? 1) + 1;
+    const startingPlayer = ((nextRound - 1) % 4) as PlayerIndex;
     for (const img of this.cardImages.values()) img.destroy();
     this.cardImages.clear();
-    this.state = createInitialState();
+    this.state = createInitialState(startingPlayer);
     this.state.teamScores[0].totalPoints = totals[0];
     this.state.teamScores[1].totalPoints = totals[1];
     this.state.roundNumber = nextRound;