refactor(game): 将技能触发逻辑从回合制改为全局次数制

移除技能卡的持续回合数(d_rds)和当前回合计数(current_round)，改为仅使用全局触发次数(current_trigger_times)控制技能生命周期
更新UI显示从剩余回合改为剩余触发次数，技能在达到总触发次数后立即销毁而非等待回合结束

assets/script/game/map/SkillBoxComp.ts

@@ -24,9 +24,7 @@ export class SkillBoxComp extends CCComp {
     private is_instant: boolean = true;
     private trigger_times: number = 1;
     private trigger_interval: number = 0;
-    private duration_rounds: number = 1;
 
-    private current_round: number = 0;
     private current_trigger_times: number = 0;
     private timer: number = 0;
     private in_combat: boolean = false;
@@ -56,10 +54,8 @@ export class SkillBoxComp extends CCComp {
             this.is_instant = config.is_inst ?? true;
             this.trigger_times = config.t_times ?? 1;
             this.trigger_interval = config.t_inv ?? 0;
-            this.duration_rounds = config.d_rds ?? 1;
         }
 
-        this.current_round = 0;
         this.current_trigger_times = 0;
         this.timer = 0;
         this.initialized = true;
@@ -93,7 +89,8 @@ export class SkillBoxComp extends CCComp {
         
         if (this.info_label) {
             if (!this.is_instant) {
-                this.info_label.string = `${this.duration_rounds - this.current_round}回`;
+                const remain = Math.max(0, this.trigger_times - this.current_trigger_times);
+                this.info_label.string = `${remain}次`;
             } else {
                 this.info_label.string = "";
             }
@@ -107,8 +104,6 @@ export class SkillBoxComp extends CCComp {
         if (!this.is_instant) {
             // 战斗开始时，计时归0，重新计时
             this.timer = 0; 
-            // 如果这个技能每回合都可以触发 t_times 次，则在每回合开始时重置当前回合触发次数
-            this.current_trigger_times = 0;
         }
     }
 
@@ -125,9 +120,8 @@ export class SkillBoxComp extends CCComp {
         this.in_combat = false;
         
         if (!this.is_instant) {
-            this.current_round++;
-            this.updateUI();
-            if (this.current_round >= this.duration_rounds) {
+            // 每回合不再重置次数，由全局次数进行控制
+            if (this.current_trigger_times >= this.trigger_times) {
                 this.node.destroy();
             }
         }
@@ -147,6 +141,15 @@ export class SkillBoxComp extends CCComp {
                 this.timer = 0; // 触发后重新计时
                 this.triggerSkill();
                 this.current_trigger_times++;
+                this.updateUI(); // 触发后更新界面显示的剩余次数
+                
+                // 如果在战斗中就达到触发次数上限，则可以在此回合战斗结束或者立即销毁
+                if (this.current_trigger_times >= this.trigger_times) {
+                    // 可以选择直接销毁，不等到下一回合
+                    this.scheduleOnce(() => {
+                        if (this.node.isValid) this.node.destroy();
+                    }, 0.5);
+                }
             }
         }
     }