```

feat(fight): 添加旧组队协议支持并优化战斗系统

- 实现了旧组队协议相关功能，包括GroupReadyFightFinish、GroupUseSkill、
  GroupUseItem、GroupChangePet和GroupEscape方法
- 新增组队战斗相关的入站信息结构体定义
- 实现了组队BOSS战斗逻辑，添加groupBossSlotLimit常量
- 重构宠物技能设置逻辑，调整金币消耗时机
- 优化战斗循环逻辑，添加对无行动槽位的处理
- 改进AI行动逻辑，增加多位置目标选择

logic/controller/fight_boss野怪和地图怪.go

@@ -18,7 +18,8 @@ import (
 )
 
 const (
-	rewardItemExpPool = 3
+	rewardItemExpPool  = 3
+	groupBossSlotLimit = 3
 )
 
 // PlayerFightBoss 挑战地图boss
@@ -50,7 +51,7 @@ func (Controller) PlayerFightBoss(req *ChallengeBossInboundInfo, p *player.Playe
 	ai.AddBattleProp(0, 2)
 
 	var fightC *fight.FightC
-	fightC, err = fight.NewFight(p, ai, p.GetPetInfo(100), ai.GetPetInfo(0), func(foi model.FightOverInfo) {
+	fightC, err = startMapBossFight(mapNode, p, ai, func(foi model.FightOverInfo) {
 		if mapNode.WinBonusID == 0 {
 			return
 		}
@@ -65,6 +66,63 @@ func (Controller) PlayerFightBoss(req *ChallengeBossInboundInfo, p *player.Playe
 	return nil, -1
 }
 
+func startMapBossFight(
+	mapNode *configmodel.MapNode,
+	p *player.Player,
+	ai *player.AI_player,
+	fn func(model.FightOverInfo),
+) (*fight.FightC, errorcode.ErrorCode) {
+	ourPets := p.GetPetInfo(100)
+	oppPets := ai.GetPetInfo(0)
+	if mapNode != nil && mapNode.IsGroupBoss != 0 {
+		ourSlots := buildGroupBossPetSlots(ourPets, groupBossSlotLimit)
+		oppSlots := buildGroupBossPetSlots(oppPets, groupBossSlotLimit)
+		if len(ourSlots) > 0 && len(oppSlots) > 0 {
+			return fight.NewLegacyGroupFightSingleControllerN(p, ai, ourSlots, oppSlots, fn)
+		}
+	}
+	return fight.NewFight(p, ai, ourPets, oppPets, fn)
+}
+
+func buildGroupBossPetSlots(pets []model.PetInfo, slotLimit int) [][]model.PetInfo {
+	if len(pets) == 0 {
+		return nil
+	}
+
+	slots := make([][]model.PetInfo, 0, slotLimit)
+	for _, pet := range pets {
+		if pet.Hp == 0 {
+			continue
+		}
+		if slotLimit <= 0 {
+			slotLimit = 3
+		}
+		if len(slots) < slotLimit {
+			slots = append(slots, []model.PetInfo{pet})
+			continue
+		}
+		break
+	}
+	if len(slots) == 0 {
+		return nil
+	}
+	var idx int = 0
+	for _, pet := range pets[len(slots):] {
+		if pet.Hp == 0 {
+			continue
+		}
+		for step := 0; step < len(slots); step++ {
+			slotIdx := (idx + step) % len(slots)
+			if len(slots[slotIdx]) < 6 {
+				slots[slotIdx] = append(slots[slotIdx], pet)
+				idx = (slotIdx + 1) % len(slots)
+				break
+			}
+		}
+	}
+	return slots
+}
+
 // OnPlayerFightNpcMonster 战斗野怪
 func (Controller) OnPlayerFightNpcMonster(req *FightNpcMonsterInboundInfo, p *player.Player) (result *fight.NullOutboundInfo, err errorcode.ErrorCode) {
 	if err = p.CanFight(); err != 0 {