feat: 重构任务奖励系统并增加宠物技能和皮肤奖励

将任务奖励逻辑重构到单独的文件中，增加对宠物技能和皮肤奖励的支持，优化任务完成处理流程

logic/service/task/task.go

@@ -10,8 +10,11 @@ import (
 type TaskResult struct {
 	Pet *model.PetInfo `json:"petTypeId" description:"发放的精灵ID"` // 发放的精灵ID，
 
-	ItemList []data.ItemInfo `json:"itemList" description:"发放物品的数组"` // 发放物品的数组，
-	Title    uint32          `json:"title" description:"称号奖励"`
+	ItemList      []data.ItemInfo `json:"itemList" description:"发放物品的数组"` // 发放物品的数组，
+	Title         uint32          `json:"title" description:"称号奖励"`
+	RewardPetID   uint32          `json:"rewardPetId" description:"宠物相关奖励目标精灵ID"`
+	TrainSkillIDs []uint32        `json:"trainSkillIds" description:"特训技能奖励"`
+	SkinIDs       []uint32        `json:"skinIds" description:"皮肤奖励"`
 }
 
 func GetTaskInfo(id, ot int) *TaskResult {
@@ -26,6 +29,12 @@ func GetTaskInfo(id, ot int) *TaskResult {
 	if pet != nil {
 		ret.Pet = model.GenPetInfo(int(pet.MonID), int(pet.DV), int(pet.Nature), int(pet.Effect), int(pet.Lv), nil, 0)
 	}
+	ret.RewardPetID = r.RewardPetID
+	ret.TrainSkillIDs = append(ret.TrainSkillIDs, r.TrainSkillIDs...)
+	ret.SkinIDs = append(ret.SkinIDs, r.SkinIDs...)
+	if ret.Pet != nil {
+		applyTaskRewardPetExtras(ret.Pet, ret.TrainSkillIDs, ret.SkinIDs)
+	}
 
 	for _, itemID := range r.ItemRewardIds {
 		iteminfo := service.NewItemService().GetItemCount(itemID)
@@ -39,3 +48,59 @@ func GetTaskInfo(id, ot int) *TaskResult {
 
 	return ret
 }
+
+func applyTaskRewardPetExtras(pet *model.PetInfo, trainSkillIDs, skinIDs []uint32) {
+	if pet == nil {
+		return
+	}
+
+	if merged := mergeTaskRewardIDs(pet.ExtSKill, trainSkillIDs); len(merged) != len(pet.ExtSKill) {
+		pet.ExtSKill = merged
+	}
+
+	mergedSkins := mergeTaskRewardIDs(pet.ExtSkin, skinIDs)
+	if len(mergedSkins) != len(pet.ExtSkin) {
+		pet.ExtSkin = mergedSkins
+	}
+	if pet.SkinID == 0 {
+		for _, skinID := range mergedSkins {
+			if skinID != 0 {
+				pet.SkinID = skinID
+				break
+			}
+		}
+	}
+}
+
+func mergeTaskRewardIDs(dst []uint32, src []uint32) []uint32 {
+	if len(src) == 0 {
+		return dst
+	}
+
+	seen := make(map[uint32]struct{}, len(dst)+len(src))
+	result := make([]uint32, 0, len(dst)+len(src))
+
+	for _, id := range dst {
+		if id == 0 {
+			continue
+		}
+		if _, ok := seen[id]; ok {
+			continue
+		}
+		seen[id] = struct{}{}
+		result = append(result, id)
+	}
+
+	for _, id := range src {
+		if id == 0 {
+			continue
+		}
+		if _, ok := seen[id]; ok {
+			continue
+		}
+		seen[id] = struct{}{}
+		result = append(result, id)
+	}
+
+	return result
+}