feat(mission): 添加结算页再来一次功能

1. 新增GameEvent.RestartMission事件用于重开本关
2. 重构结算弹窗按钮逻辑，适配失败关卡重试需求
3. 新增restartCurrentMission方法实现关卡重置逻辑
4. 调整胜利prefab的缩放和控件绑定

assets/script/game/map/MissionComp.ts

@@ -214,6 +214,8 @@ export class MissionComp extends CCComp {
         this.on(GameEvent.DO_AD_BACK, this.do_ad, this)
         // 结算弹窗"下一节"按钮推进关卡
         this.on(GameEvent.NextSection, this.onNextSection, this)
+        // 结算弹窗"再来一次"按钮重开本关
+        this.on(GameEvent.RestartMission, this.onRestartMission, this)
         this.start_btn?.on(NodeEventType.TOUCH_END, this.onStartFightBtnClick, this)
         // 开局免费三选一选完后自动进入战斗
         oops.message.on("OpeningPicksDone", this.onOpeningPicksDone, this);
@@ -765,6 +767,12 @@ export class MissionComp extends CCComp {
         this.advanceToNextSection();
     }
 
+    /** 结算弹窗"再来一次"事件：关闭弹窗并重开本关 */
+    private onRestartMission() {
+        oops.gui.remove(UIID.Victory);
+        this.restartCurrentMission();
+    }
+
     /** 开局免费三选一选完，自动进入战斗（等效于点击开始按钮） */
     private onOpeningPicksDone() {
         if (this.currentPhase !== MissionPhase.Prepare) return;
@@ -973,6 +981,34 @@ export class MissionComp extends CCComp {
             `[StageProgress] 进入小节: ${getProgressText(this.currentChapter, this.currentStage, this.currentSection)}`);
     }
 
+    /**
+     * 重开本关：清理战场并重置数据，从当前小节重新开始
+     * 与 advanceToNextSection 的区别：不推进小节进度，保持当前 section 不变
+     */
+    private restartCurrentMission() {
+        // 清理战场与局内数据
+        this.cleanComponents();
+        this.clearBattlePools();
+        this.data_init();
+        // 重置结算状态
+        this._victory = false;
+        this._settleType = "defeat";
+        this._settleTitle = "";
+        // 进入准备阶段
+        this.changePhase(MissionPhase.Prepare);
+        // 触发 MissionStart 重置开局免费抽卡
+        oops.message.dispatchEvent(GameEvent.MissionStart, {});
+        oops.message.dispatchEvent(GameEvent.FightReady);
+        // 触发 SectionStart 重新生成当前小节怪物
+        oops.message.dispatchEvent(GameEvent.SectionStart, {
+            chapter: this.currentChapter,
+            stage: this.currentStage,
+            section: this.currentSection,
+        });
+        mLogger.log(this.debugMode, 'MissionComp',
+            `[StageProgress] 重开本关: ${getProgressText(this.currentChapter, this.currentStage, this.currentSection)}`);
+    }
+
     // ======================== 回合管理 ========================
 
     /**