```

feat(fight): 增加战斗模式枚举并重构战斗逻辑判断

- 引入完整的 BattleMode 枚举定义，替代原有的 BattleStatus，明确区分各类战斗场景
- 在多个控制器中替换对旧 Status 字段的依赖，统一使用 Mode 判断战斗状态
- 修复部分函数调用前未检查 FightC 是否为空的问题，增加 ErrBattleEnded 错误返回
- 调整

logic/service/fight/input.go

@@ -105,10 +105,6 @@ func (f *FightC) LoadPercent(c common.PlayerI, percent int32) {
 }
 
 func (f *FightC) initplayer(c common.PlayerI) (*input.Input, errorcode.ErrorCode) {
-	if len(c.GetInfo().PetList) == 0 {
-		return nil, errorcode.ErrorCodes.ErrNoEligiblePokemon
-
-	}
 
 	if !c.CanFight() {
 		return nil, errorcode.ErrorCodes.ErrNoEligiblePokemon
@@ -221,12 +217,12 @@ func NewFight(p1, p2 common.PlayerI, fn func(*info.FightOverInfo)) (*FightC, err
 
 	f.ReadyInfo.OurInfo, f.ReadyInfo.OurPetList = initfightready(f.Our)
 	f.ReadyInfo.OpponentInfo, f.ReadyInfo.OpponentPetList = initfightready(f.Opp)
+	var loadtime time.Duration = 120 * time.Second
+	//说明是PVE
+	if f.Info.Mode == info.BattleMode.FIGHT_WITH_NPC {
 
-	switch f.Info.Mode {
-	case info.BattleStatus.FIGHT_WITH_PLAYER:
-
-	default:
 		f.Opp.Finished = true //PVE 默认boss数据直接加载完成
+		loadtime = 60 * time.Second
 	}
 
 	f.Broadcast(func(ff *input.Input) {
@@ -240,16 +236,7 @@ func NewFight(p1, p2 common.PlayerI, fn func(*info.FightOverInfo)) (*FightC, err
 
 	})
 
-	var t time.Duration
-	// 60秒后判断战斗是否开始
-	switch f.Info.Mode {
-	case info.BattleMode.PET_MELEE:
-		t = 120 * time.Second
-
-	default:
-		t = 60 * time.Second
-	}
-	cool.Cron.AfterFunc(t, func() {
+	cool.Cron.AfterFunc(loadtime, func() {
 		if !f.Our.Finished || !f.Opp.Finished { //如果有任一没有加载完成
 			f.closefight = true //阻止继续添加action
 			f.Reason = info.BattleOverReason.PlayerOVerTime