style: 优化MissionCardComp代码格式与细节

调整变量类型声明的空格、代码缩进与空行规范，修复部分UI更新逻辑，修正卡牌位置数组的空格格式，统一代码书写风格

assets/script/game/map/MissionCardComp.ts

@@ -81,34 +81,34 @@ export class MissionCardComp extends CCComp {
 
     /** 卡牌面板根节点（战斗阶段收起，准备阶段展开） */
     @property(Node)
-    cards_node:Node = null!
+    cards_node: Node = null!
     /** 卡牌槽位 1 节点 */
     @property(Node)
-    card1:Node = null!
+    card1: Node = null!
     /** 卡牌槽位 2 节点 */
     @property(Node)
-    card2:Node = null!
+    card2: Node = null!
     /** 卡牌槽位 3 节点 */
     @property(Node)
-    card3:Node = null!
+    card3: Node = null!
     /** 卡牌槽位 4 节点 */
     @property(Node)
-    card4:Node = null!
+    card4: Node = null!
     /** 抽卡（刷新）按钮节点 */
     @property(Node)
-    cards_chou:Node = null!
+    cards_chou: Node = null!
     /** 卡池升级按钮节点 */
     @property(Node)
-    cards_up:Node = null!
+    cards_up: Node = null!
     /** 金币显示节点（含 icon + num 子节点） */
     @property(Node)
-    coins_node:Node = null!
+    coins_node: Node = null!
     /** 卡池等级显示节点 */
     @property(Node)
-    pool_lv_node:Node = null!
+    pool_lv_node: Node = null!
     /** 英雄数量显示节点（含 icon + num 子节点） */
     @property(Node)
-    hero_num_node:Node=null!
+    hero_num_node: Node = null!
 
     // ======================== 运行时状态 ========================
 
@@ -128,7 +128,7 @@ export class MissionCardComp extends CCComp {
     /** 卡牌面板收起态缩放（scale=0 隐藏） */
     private cardsHideScale: Vec3 = new Vec3(0, 0, 1);
     /** 卡牌原始定位点 */
-    private cardsPos = [-260,-75,108,260]
+    private cardsPos = [-260, -75, 108, 260]
 
     // ======================== 生命周期 ========================
 
@@ -164,7 +164,7 @@ export class MissionCardComp extends CCComp {
     }
 
     /** 外部初始化入口（由 CardController 调用） */
-    init(){
+    init() {
         this.onMissionStart();
     }
 
@@ -276,7 +276,7 @@ export class MissionCardComp extends CCComp {
      * 金币变化事件回调：
      * 仅负责 UI 更新和动画表现。数据更新已由 MissionEconomy 统一处理。
      */
-    private onCoinAdd(event: string, args: any){
+    private onCoinAdd(event: string, args: any) {
         const payload = args ?? event;
         const v = typeof payload === 'number' ? payload : (payload?.delta ?? payload?.value ?? 0);
         this.updateCoinAndCostUI();
@@ -448,7 +448,7 @@ export class MissionCardComp extends CCComp {
      * @returns { needCount: 合成所需数量, maxLv: 最大合成等级 }
      */
     private getMergeRule(): { needCount: number, maxLv: number } {
-        let needCount = FightSet.MERGE_NEED ? FightSet.MERGE_NEED:2
+        let needCount = FightSet.MERGE_NEED ? FightSet.MERGE_NEED : 2
         let maxLv = Math.max(1, Math.floor(FightSet.MERGE_MAX ?? 3));
         ecs.query(ecs.allOf(MissionHeroComp)).forEach((entity: ecs.Entity) => {
             const comp = entity.get(MissionHeroComp);
@@ -765,16 +765,13 @@ export class MissionCardComp extends CCComp {
         if (this.pool_lv_node) {
             this.pool_lv_node.active = true;
             const lv = Math.max(CARD_POOL_INIT_LEVEL, Math.min(CARD_POOL_MAX_LEVEL, Math.floor(this.poolLv)));
-            const poolLvStr = `lv${lv}`;
-            this.pool_lv_node.children.forEach(child => {
-                if (child.name === "light") {
-                    child.active = false;
-                } else if (child.name === "bg") {
-                    child.active = true;
-                } else {
-                    child.active = (child.name === poolLvStr);
+            const lvNode = this.pool_lv_node.getChildByName("lv");
+            if (lvNode) {
+                const label = lvNode.getComponent(Label);
+                if (label) {
+                    label.string = `lv.${lv}`;
+                }
             }
-            });
             const widget = this.pool_lv_node.getComponent(Widget);
             if (widget) widget.updateAlignment();
             this.pool_lv_node.children.forEach(child => {
@@ -782,7 +779,7 @@ export class MissionCardComp extends CCComp {
                 if (childWidget) childWidget.updateAlignment();
             });
             const peak = 1.2
-            this.playHeroNumNodePop( this.pool_lv_node, peak);
+            this.playHeroNumNodePop(this.pool_lv_node, peak);
         }
         mLogger.log(this.debugMode, "MissionCardComp", "pool lv ui update", {
             poolLv: this.poolLv,
@@ -811,10 +808,10 @@ export class MissionCardComp extends CCComp {
     private playCoinChangeAnim(isIncrease: boolean) {
         if (!this.coins_node || !this.coins_node.isValid) return;
         const icon = this.coins_node.getChildByName("icon");
-        if (!icon || !icon.isValid ) return;
+        if (!icon || !icon.isValid) return;
         const peak = isIncrease ? 1.2 : 1.2;
         this.playHeroNumNodePop(icon, peak);
-        const num= this.coins_node.getChildByName("num");
+        const num = this.coins_node.getChildByName("num");
         if (!num || !num.isValid) return;
         this.playHeroNumNodePop(num, peak);
     }
@@ -854,7 +851,7 @@ export class MissionCardComp extends CCComp {
         let count = 0;
         ecs.query(ecs.allOf(HeroAttrsComp)).forEach((entity: ecs.Entity) => {
             const model = entity.get(HeroAttrsComp);
-            if (model && model.fac === FacSet.HERO ) {
+            if (model && model.fac === FacSet.HERO) {
                 count++;
             }
         });