fix(game): 调整卡牌与波次金币奖励配置，修复上限失效

修改卡牌初始金币CardInitCoins从10改为4
调整波次金币奖励的基础值、增长率与上限参数
重命名金币奖励上限变量，修复原有上限未生效的问题并新增总额限制

assets/script/game/map/MissionComp.ts

@@ -89,11 +89,11 @@ export class MissionComp extends CCComp {
     /** 怪物数量恢复阈值（降至此值以下恢复刷怪） */
     private resumeMonsterCount: number = 45;
     /** 新一波金币奖励基础值 */
-    private prepareBaseCoinReward: number = 10;
+    private prepareBaseCoinReward: number = 4;
     /** 每一波金币增长值（公式: base + (wave-1) * growth） */
-    private prepareCoinWaveGrow: number = 4;
-    /** 金币奖励上限（固定收益，此值不再生效） */
-    private prepareCoinRewardCap: number = 100;
+    private prepareCoinWaveGrow: number = 1;
+    /** 金币奖励上限（固定收益上限） */
+    private prepareMaxCoinReward: number = 10;
     /** 卡池升级波次配置：达到对应波次时，推送卡池升级事件 */
     @property({ type: [CCInteger], tooltip: "卡池升级波次配置，例如 [10, 20] 表示第10波升到2级，第20波升到3级" })
     cardPoolUpgradeWaves: number[] = [5, 10];
@@ -802,8 +802,9 @@ export class MissionComp extends CCComp {
         if (wave <= 1) return;
         if (wave <= this.lastPrepareCoinWave) return;
 
-        // 波次金币公式: baseReward + (wave-1) * waveGrow
-        const waveReward = this.prepareBaseCoinReward + (wave - 1) * this.prepareCoinWaveGrow;
+        // 波次金币公式: baseReward + (wave-1) * waveGrow，且不超过 prepareMaxCoinReward
+        const calculatedReward = this.prepareBaseCoinReward + (wave - 1) * this.prepareCoinWaveGrow;
+        const waveReward = Math.min(this.prepareMaxCoinReward, calculatedReward);
         const reward = MissionEconomy.executeWaveGold(waveReward);
 
         this.lastPrepareCoinWave = wave;