feat: improve Go Fish AI with card sprites and turn exclusions

- Add custom card texture spritesheet and render cards using sprite frames
- Prevent AI from repeatedly asking for the same rank after a failed catch
- Track and exclude previously attempted (target, rank) pairs per turn to reduce redundant moves
- Load gofish-cards assets in preload scene

public/src/games/gofish/GoFishAI.js

@@ -71,7 +71,7 @@ export function observeLog(memory, state, selfSeat) {
  * Pick (targetSeat, rank) for the AI. Falls back gracefully if memory is
  * empty (e.g. very first turn).
  */
-export function chooseAction(state, seat, memory) {
+export function chooseAction(state, seat, memory, exclude = new Set()) {
   const me = state.players[seat];
   if (!me || me.hand.length === 0) return null;
 
@@ -94,6 +94,7 @@ export function chooseAction(state, seat, memory) {
       if (target === seat) continue;
       const opp = state.players[target];
       if (opp.sittingOut || opp.hand.length === 0) continue;
+      if (exclude.has(`${target}:${rank}`)) continue;
 
       let score = 0;
       const belief = memory.beliefs[target][rank] || 0;
@@ -129,6 +130,7 @@ export function chooseAction(state, seat, memory) {
     for (const rank of myRanks) {
       for (let t = 0; t < state.players.length; t++) {
         if (t === seat) continue;
+        if (exclude.has(`${t}:${rank}`)) continue;
         const opp = state.players[t];
         if (!opp.sittingOut && opp.hand.length > 0) {
           return { targetSeat: t, rank };

public/src/games/gofish/GoFishGame.js

@@ -116,6 +116,8 @@ const SUIT_COLORS = {
   d: { fill: 0xfbe7e2, stroke: 0xc92a2a, glyph: '#c92a2a' },
 };
 
+const GOFISH_CARD_FRAME = { A: 0, '2': 1, '3': 2, '4': 3, '5': 4, '6': 5, '7': 6, '8': 7, '9': 8, T: 9, J: 10, Q: 11, K: 12 };
+
 // ── Scene ───────────────────────────────────────────────────────────────────
 export default class GoFishGame extends Phaser.Scene {
   constructor() { super('GoFishGame'); }
@@ -357,6 +359,7 @@ export default class GoFishGame extends Phaser.Scene {
     const playerCount = this.slotForSeat.length;
     const finalState = createInitialState({ playerCount, matchSize: this.matchVariant });
     this.aiMemory = [];
+    this.aiTurnExclusions = new Map();
     for (let s = 0; s < playerCount; s++) {
       this.aiMemory[s] = createMemory(playerCount);
       observeLog(this.aiMemory[s], finalState, s);
@@ -496,6 +499,17 @@ export default class GoFishGame extends Phaser.Scene {
       return;
     }
 
+    const frame = GOFISH_CARD_FRAME[card.rank];
+    if (frame !== undefined && this.textures.exists('gofish-cards')) {
+      g.destroy();
+      container.add(
+        this.add.image(0, 0, 'gofish-cards', frame)
+          .setDisplaySize(CARD_W, CARD_H)
+          .setOrigin(0.5)
+      );
+      return;
+    }
+
     const suit = SUIT_COLORS[card.suit] ?? SUIT_COLORS.s;
     g.fillStyle(suit.fill, 1);
     g.fillRoundedRect(x, y, CARD_W, CARD_H, CARD_R);
@@ -763,6 +777,10 @@ export default class GoFishGame extends Phaser.Scene {
       }
 
       // Catch, or fish with empty pool — normal completion.
+      if (last.result === 'catch' && askerSeat !== 0) {
+        if (!this.aiTurnExclusions.has(askerSeat)) this.aiTurnExclusions.set(askerSeat, new Set());
+        this.aiTurnExclusions.get(askerSeat).add(`${targetSeat}:${rank}`);
+      }
       if (last.result === 'catch' && targetSeat !== 0) {
         this.opponentPortraits[targetSeat]?.playEmotion('upset');
       }
@@ -1335,7 +1353,12 @@ export default class GoFishGame extends Phaser.Scene {
     if (this.gameOver || this.animating) return;
     const seat = this.gs.currentPlayer;
     if (seat === 0) return;
-    const action = chooseAction(this.gs, seat, this.aiMemory[seat]);
+    // Clear exclusions when starting a fresh turn (not continuing after a catch).
+    if (this.gs.lastAsk?.askerSeat !== seat || this.gs.lastAsk?.result !== 'catch') {
+      this.aiTurnExclusions.set(seat, new Set());
+    }
+    const exclude = this.aiTurnExclusions.get(seat) ?? new Set();
+    const action = chooseAction(this.gs, seat, this.aiMemory[seat], exclude);
     if (!action) {
       // Shouldn't happen — fail-safe: end the game if no action available.
       this.endGame();

public/src/scenes/PreloadScene.js

@@ -76,6 +76,7 @@ export default class PreloadScene extends Phaser.Scene {
     // Prosperity token sprites (1 VP, 5 VP, Gold) — 150×150 each.
     this.load.spritesheet('dominion-tokens', '/assets/images/dominion-tokens.png', { frameWidth: 150, frameHeight: 150 });
     this.load.spritesheet('ttr-cards', '/assets/images/tickettoride-cards.png', { frameWidth: 270, frameHeight: 390 });
+    this.load.spritesheet('gofish-cards', '/assets/images/gofish-cards.png', { frameWidth: 270, frameHeight: 390 });
     this.load.spritesheet('tab-icons', '/assets/images/tab-icons.png', { frameWidth: 128, frameHeight: 128 });
   }