feat(界面): 为任务阶段切换添加缩放动画效果

在任务阶段切换时，为阶段节点添加缩放动画，提升视觉反馈和心流体验。动画在准备开始/结束和战斗开始/结束阶段触发，包含放大和回弹效果。

assets/script/game/map/MissionComp.ts

@@ -27,7 +27,7 @@
  *   - CardInitCoins —— 初始金币数
  *   - UIID.Victory —— 结算弹窗
  */
-import { _decorator, Vec3,Animation, instantiate, Prefab, Node, NodeEventType, ProgressBar, Label, CCInteger } from "cc";
+import { _decorator, Vec3,Animation, instantiate, Prefab, Node, NodeEventType, ProgressBar, Label, CCInteger, tween, v3, Tween } from "cc";
 import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
 import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/module/common/CCComp";
 import { smc } from "../common/SingletonModuleComp";
@@ -306,6 +306,19 @@ export class MissionComp extends CCComp {
                 if (label) {
                     label.string = MissionComp.PhaseNameMap[targetPhase] || "未知";
                 }
+                
+                // 阶段切换动感表现：针对阶段变化加入缩放与回弹动画，让流程充满心流体验
+                if (targetPhase === MissionPhase.PrepareStart || 
+                    targetPhase === MissionPhase.PrepareEnd ||
+                    targetPhase === MissionPhase.BattleStart || 
+                    targetPhase === MissionPhase.BattleEnd) {
+                    Tween.stopAllByTarget(phaseNode);
+                    phaseNode.scale = v3(0.5, 0.5, 1);
+                    tween(phaseNode)
+                        .to(0.3, { scale: v3(1.5, 1.5, 1) }, { easing: "backOut" })
+                        .to(0.2, { scale: v3(1, 1, 1) }, { easing: "sineInOut" })
+                        .start();
+                }
             }
         }