feat: 实现无限关卡 Boss 大招系统并重构关卡配置

assets/script/game/hero/Mon.ts

@@ -236,6 +236,21 @@ export class Monster extends ecs.Entity {
             if (testSkills.fstart !== undefined) model.fstart = testSkills.fstart;
             if (testSkills.call !== undefined) model.call = testSkills.call;
         }
+        // Boss 大招注入：在保留普攻的基础上追加（多个大招共存，由 SCastSystem 按 CD 轮转施放，
+        // 含镜头聚焦 + 技能名横幅表现，与英雄大招同一条施法链路）
+        const ults = (this as any)._testSkills?.ults;
+        if (ults && ults.length > 0) {
+            for (const ult of ults) {
+                if (!ult || !ult.s_uuid) continue;
+                model.skills[ult.s_uuid] = {
+                    uuid: ult.s_uuid,
+                    cd: ult.cd ?? 8,
+                    lv: 1,
+                    ccd: 0,
+                    overrides: ult.overrides
+                };
+            }
+        }
 
         // 按怪物等级 resolve 触发技能到运行时缓存（怪物无 lv 成长，恒用 mon_lv）
         model.runtime_call = resolveTriggerByLv(model.call, mon_lv);