feat(SCOPONE-0008): complete iteration 0 improve ai rules

src/game/engine.ts

@@ -39,15 +39,14 @@ export function shuffle<T>(arr: T[]): T[] {
  * Returns array of capture sets (each is a list of cards taken from table).
  */
 export function findCaptures(played: Card, table: Card[]): Card[][] {
-  const results: Card[][] = [];
-
   // Each direct-match card is a separate single-card capture option
   const directMatches = table.filter(c => c.value === played.value);
-  for (const dm of directMatches) {
-    results.push([dm]);
+  if (directMatches.length > 0) {
+    return directMatches.map((directMatch): Card[] => [directMatch]);
   }
 
-  // Also find multi-card subsets that sum to played.value
+  const results: Card[][] = [];
+  // Only sum captures are legal when no direct match is available.
   const subsets = getSubsets(table);
   for (const subset of subsets) {
     if (subset.length >= 2) {
@@ -102,6 +101,7 @@ export function createInitialState(startingPlayer: PlayerIndex = 0): GameState {
   return {
     players,
     table,
+    matchStartingPlayer: startingPlayer,
     currentPlayer: startingPlayer,
     roundOver: false,
     gameOver: false,
@@ -293,6 +293,33 @@ export function getScoreBreakdown(state: GameState): ScoreBreakdown {
   return scoreRound(team0, team1);
 }
 
+export function getMatchOutcome(teamScores: [TeamScore, TeamScore]): {
+  winner: 0 | 1 | null;
+  continueMatch: boolean;
+} {
+  const [team0, team1] = teamScores;
+  const thresholdReached = team0.totalPoints >= 11 || team1.totalPoints >= 11;
+
+  if (!thresholdReached) {
+    return {
+      winner: null,
+      continueMatch: true,
+    };
+  }
+
+  if (team0.totalPoints === team1.totalPoints) {
+    return {
+      winner: null,
+      continueMatch: true,
+    };
+  }
+
+  return {
+    winner: team0.totalPoints > team1.totalPoints ? 0 : 1,
+    continueMatch: false,
+  };
+}
+
 // ---------------------------------------------------------------------------
 // Helpers
 // ---------------------------------------------------------------------------
@@ -325,6 +352,7 @@ export function cloneState(state: GameState): GameState {
       clonePlayer(state.players[3]),
     ],
     table: state.table.map(cloneCard),
+    matchStartingPlayer: state.matchStartingPlayer,
     currentPlayer: state.currentPlayer,
     roundOver: state.roundOver,
     gameOver: state.gameOver,