feat(victory): add defeat reward gate by clear time and kill ratio

Defeat rewards now require surviving 15s and killing at least one
monster. Qualified defeats grant a fixed survive reward plus a
kill-ratio-scaled bonus; unqualified defeats yield nothing.
Victory rewards remain unchanged.

assets/script/game/map/MissionMonComp.ts

@@ -22,7 +22,7 @@ import { oops } from "../../../../extensions/oops-plugin-framework/assets/core/O
 import { Monster } from "../hero/Mon";
 import { smc } from "../common/SingletonModuleComp";
 import { GameEvent } from "../common/config/GameEvent";
-import { BoxSet, FightSet } from "../common/config/GameSet";
+import { BoxSet, FacSet, FightSet } from "../common/config/GameSet";
 import { MonType } from "../common/config/heroSet";
 import { spawningEngine, GeneratedMonster, TestModeConfig } from "./RogueConfig";
 import { HeroAttrsComp } from "../hero/HeroAttrsComp";
@@ -254,6 +254,25 @@ export class MissionMonCompComp extends CCComp {
         return FightSet.MON_ROW_BACK_X;
     }
 
+    /**
+     * 本节击杀统计（结算奖励消费）：
+     * kills = 已刷出数 - 场上存活数（实时查询，不依赖 MissionComp 的 0.2s 降频同步）
+     * total = 本节目标怪物总数（含未刷出）
+     */
+    public getSectionKillStats(): { kills: number; total: number } {
+        let alive = 0;
+        ecs.query(ecs.allOf(HeroAttrsComp)).forEach(entity => {
+            const attrs = entity.get(HeroAttrsComp);
+            if (attrs && !attrs.is_dead && attrs.fac === FacSet.MON) {
+                alive++;
+            }
+        });
+        return {
+            kills: Math.max(0, this.sectionSpawnedCount - alive),
+            total: this.sectionTargetCount,
+        };
+    }
+
     /** ECS 组件移除时触发 */
     reset() { }
 }