Implement Fate Boards

server/cmd/lunar-tear/grpc.go

@@ -124,4 +124,5 @@ func registerServices(
 	pb.RegisterSideStoryQuestServiceServer(srv, service.NewSideStoryQuestServiceServer(userStore, userStore, holder))
 	pb.RegisterBigHuntServiceServer(srv, service.NewBigHuntServiceServer(userStore, userStore, holder))
 	pb.RegisterRewardServiceServer(srv, service.NewRewardServiceServer(userStore, userStore, holder))
+	pb.RegisterLabyrinthServiceServer(srv, service.NewLabyrinthServiceServer(userStore, userStore, holder))
 }

server/internal/masterdata/labyrinth.go

@@ -0,0 +1,225 @@
+package masterdata
+
+import (
+	"log"
+	"sort"
+
+	"lunar-tear/server/internal/utils"
+)
+
+type LabyrinthChapter struct {
+	EventQuestChapterId int32
+	LatestSeasonNumber  int32
+	StageOrders         []int32
+}
+
+type LabyrinthStageTier struct {
+	QuestMissionClearCount int32
+	Rewards                []RewardItem
+}
+
+type LabyrinthSeasonMilestone struct {
+	HeadQuestId    int32
+	HeadStageOrder int32
+	Rewards        []RewardItem
+}
+
+type labyrinthStageKey struct {
+	ChapterId  int32
+	StageOrder int32
+}
+
+type LabyrinthCatalog struct {
+	ChaptersByOrder           []LabyrinthChapter
+	ClearRewardsByStage       map[labyrinthStageKey][]RewardItem
+	AccumTiersByStage         map[labyrinthStageKey][]LabyrinthStageTier
+	SeasonMilestonesByChapter map[int32][]LabyrinthSeasonMilestone
+}
+
+func (c *LabyrinthCatalog) StageClearReward(chapterId, stageOrder int32) []RewardItem {
+	return c.ClearRewardsByStage[labyrinthStageKey{chapterId, stageOrder}]
+}
+
+func (c *LabyrinthCatalog) CollectAccumulationRewards(chapterId, stageOrder, oldCount, targetCount int32) ([]RewardItem, int32) {
+	var items []RewardItem
+	highest := int32(0)
+	for _, t := range c.AccumTiersByStage[labyrinthStageKey{chapterId, stageOrder}] {
+		if t.QuestMissionClearCount > oldCount && t.QuestMissionClearCount <= targetCount {
+			items = append(items, t.Rewards...)
+			if t.QuestMissionClearCount > highest {
+				highest = t.QuestMissionClearCount
+			}
+		}
+	}
+	return items, highest
+}
+
+func (c *LabyrinthCatalog) SeasonMilestones(chapterId int32) []LabyrinthSeasonMilestone {
+	return c.SeasonMilestonesByChapter[chapterId]
+}
+
+func LoadLabyrinthCatalog() *LabyrinthCatalog {
+	seasonRows, err := utils.ReadTable[EntityMEventQuestLabyrinthSeason]("m_event_quest_labyrinth_season")
+	if err != nil {
+		log.Printf("[labyrinth] m_event_quest_labyrinth_season unavailable, labyrinth disabled: %v", err)
+		return &LabyrinthCatalog{}
+	}
+	stageRows, err := utils.ReadTable[EntityMEventQuestLabyrinthStage]("m_event_quest_labyrinth_stage")
+	if err != nil {
+		log.Printf("[labyrinth] m_event_quest_labyrinth_stage unavailable, labyrinth disabled: %v", err)
+		return &LabyrinthCatalog{}
+	}
+
+	// chapterId -> highest SeasonNumber
+	latestSeason := make(map[int32]int32)
+	for _, r := range seasonRows {
+		if r.SeasonNumber > latestSeason[r.EventQuestChapterId] {
+			latestSeason[r.EventQuestChapterId] = r.SeasonNumber
+		}
+	}
+	// chapterId -> stage orders
+	stagesByChapter := make(map[int32][]int32)
+	for _, r := range stageRows {
+		stagesByChapter[r.EventQuestChapterId] = append(stagesByChapter[r.EventQuestChapterId], r.StageOrder)
+	}
+
+	chapters := make([]LabyrinthChapter, 0, len(latestSeason))
+	for chapterId, season := range latestSeason {
+		stages := stagesByChapter[chapterId]
+		sort.Slice(stages, func(i, j int) bool { return stages[i] < stages[j] })
+		chapters = append(chapters, LabyrinthChapter{
+			EventQuestChapterId: chapterId,
+			LatestSeasonNumber:  season,
+			StageOrders:         stages,
+		})
+	}
+	sort.Slice(chapters, func(i, j int) bool {
+		return chapters[i].EventQuestChapterId < chapters[j].EventQuestChapterId
+	})
+
+	clearRewards, accumTiers, seasonMilestones := loadLabyrinthRewards(seasonRows, stageRows)
+
+	log.Printf("labyrinth catalog loaded: %d chapters, %d stages with clear rewards, %d with accumulation rewards, %d chapters with season rewards",
+		len(chapters), len(clearRewards), len(accumTiers), len(seasonMilestones))
+	return &LabyrinthCatalog{
+		ChaptersByOrder:           chapters,
+		ClearRewardsByStage:       clearRewards,
+		AccumTiersByStage:         accumTiers,
+		SeasonMilestonesByChapter: seasonMilestones,
+	}
+}
+
+func loadLabyrinthRewards(seasonRows []EntityMEventQuestLabyrinthSeason, stageRows []EntityMEventQuestLabyrinthStage) (
+	clearRewards map[labyrinthStageKey][]RewardItem,
+	accumTiers map[labyrinthStageKey][]LabyrinthStageTier,
+	seasonMilestones map[int32][]LabyrinthSeasonMilestone,
+) {
+	rewardGroupRows, err := utils.ReadTable[EntityMEventQuestLabyrinthRewardGroup]("m_event_quest_labyrinth_reward_group")
+	if err != nil {
+		log.Printf("[labyrinth] m_event_quest_labyrinth_reward_group unavailable, rewards disabled: %v", err)
+		return nil, nil, nil
+	}
+
+	// reward group id -> reward items
+	itemsByRewardGroup := make(map[int32][]RewardItem)
+	for _, r := range rewardGroupRows {
+		itemsByRewardGroup[r.EventQuestLabyrinthRewardGroupId] = append(itemsByRewardGroup[r.EventQuestLabyrinthRewardGroupId], RewardItem{
+			PossessionType: r.PossessionType,
+			PossessionId:   r.PossessionId,
+			Count:          r.Count,
+		})
+	}
+
+	// per-stage one-time clear reward
+	clearRewards = make(map[labyrinthStageKey][]RewardItem)
+	for _, r := range stageRows {
+		if r.StageClearRewardGroupId == 0 {
+			continue
+		}
+		if items := itemsByRewardGroup[r.StageClearRewardGroupId]; len(items) > 0 {
+			clearRewards[labyrinthStageKey{r.EventQuestChapterId, r.StageOrder}] = items
+		}
+	}
+
+	if accumGroupRows, err := utils.ReadTable[EntityMEventQuestLabyrinthStageAccumulationRewardGroup]("m_event_quest_labyrinth_stage_accumulation_reward_group"); err != nil {
+		log.Printf("[labyrinth] m_event_quest_labyrinth_stage_accumulation_reward_group unavailable, accumulation rewards disabled: %v", err)
+	} else {
+		// accumulation group id -> tiers (threshold + resolved reward items)
+		tiersByGroup := make(map[int32][]LabyrinthStageTier)
+		for _, r := range accumGroupRows {
+			tiersByGroup[r.EventQuestLabyrinthStageAccumulationRewardGroupId] = append(tiersByGroup[r.EventQuestLabyrinthStageAccumulationRewardGroupId], LabyrinthStageTier{
+				QuestMissionClearCount: r.QuestMissionClearCount,
+				Rewards:                itemsByRewardGroup[r.EventQuestLabyrinthRewardGroupId],
+			})
+		}
+		accumTiers = make(map[labyrinthStageKey][]LabyrinthStageTier)
+		for _, r := range stageRows {
+			if r.StageAccumulationRewardGroupId == 0 {
+				continue
+			}
+			tiers := tiersByGroup[r.StageAccumulationRewardGroupId]
+			sort.Slice(tiers, func(i, j int) bool {
+				return tiers[i].QuestMissionClearCount < tiers[j].QuestMissionClearCount
+			})
+			accumTiers[labyrinthStageKey{r.EventQuestChapterId, r.StageOrder}] = tiers
+		}
+	}
+
+	// per-chapter season-reward milestones
+	if seasonRewardRows, err := utils.ReadTable[EntityMEventQuestLabyrinthSeasonRewardGroup]("m_event_quest_labyrinth_season_reward_group"); err != nil {
+		log.Printf("[labyrinth] m_event_quest_labyrinth_season_reward_group unavailable, season rewards disabled: %v", err)
+	} else {
+		seasonMilestones = buildLabyrinthSeasonMilestones(seasonRows, seasonRewardRows, itemsByRewardGroup)
+	}
+
+	return clearRewards, accumTiers, seasonMilestones
+}
+
+func buildLabyrinthSeasonMilestones(
+	seasonRows []EntityMEventQuestLabyrinthSeason,
+	seasonRewardRows []EntityMEventQuestLabyrinthSeasonRewardGroup,
+	itemsByRewardGroup map[int32][]RewardItem,
+) map[int32][]LabyrinthSeasonMilestone {
+	// chapter -> SeasonRewardGroupId (all seasons of a chapter share one)
+	groupByChapter := make(map[int32]int32)
+	for _, r := range seasonRows {
+		groupByChapter[r.EventQuestChapterId] = r.SeasonRewardGroupId
+	}
+	// SeasonRewardGroupId -> its rows, in table order
+	rowsByGroup := make(map[int32][]EntityMEventQuestLabyrinthSeasonRewardGroup)
+	for _, r := range seasonRewardRows {
+		rowsByGroup[r.EventQuestLabyrinthSeasonRewardGroupId] = append(rowsByGroup[r.EventQuestLabyrinthSeasonRewardGroupId], r)
+	}
+
+	milestones := make(map[int32][]LabyrinthSeasonMilestone)
+	for chapterId, seasonGroupId := range groupByChapter {
+		rows := rowsByGroup[seasonGroupId]
+		if len(rows) == 0 {
+			continue
+		}
+		// rank distinct reward-group ids ascending -> 1-based head stage order
+		stageByRewardGroup := make(map[int32]int32)
+		var distinct []int32
+		for _, r := range rows {
+			if _, seen := stageByRewardGroup[r.EventQuestLabyrinthRewardGroupId]; !seen {
+				stageByRewardGroup[r.EventQuestLabyrinthRewardGroupId] = 0
+				distinct = append(distinct, r.EventQuestLabyrinthRewardGroupId)
+			}
+		}
+		sort.Slice(distinct, func(i, j int) bool { return distinct[i] < distinct[j] })
+		for i, gid := range distinct {
+			stageByRewardGroup[gid] = int32(i + 1)
+		}
+
+		list := make([]LabyrinthSeasonMilestone, 0, len(rows))
+		for _, r := range rows {
+			list = append(list, LabyrinthSeasonMilestone{
+				HeadQuestId:    r.HeadQuestId,
+				HeadStageOrder: stageByRewardGroup[r.EventQuestLabyrinthRewardGroupId],
+				Rewards:        itemsByRewardGroup[r.EventQuestLabyrinthRewardGroupId],
+			})
+		}
+		milestones[chapterId] = list
+	}
+	return milestones
+}

server/internal/model/quest.go

@@ -12,10 +12,6 @@ const (
 	QuestFlowTypeAnotherRouteReplayFlow QuestFlowType = 4
 )
 
-// IsReplayQuestFlowType reports whether the flow type indicates an active
-// replay session — either same-route REPLAY_FLOW or cross-route
-// ANOTHER_ROUTE_REPLAY_FLOW. Mirrors the client's Story.IsReplayQuestFlowType
-// predicate (dump.cs:768202).
 func IsReplayQuestFlowType(t int32) bool {
 	return t == int32(QuestFlowTypeReplayFlow) ||
 		t == int32(QuestFlowTypeAnotherRouteReplayFlow)
@@ -170,7 +166,6 @@ const (
 
 type SideStorySceneIdType int32
 
-// Values mirror SideStoryTypes.SceneIdTypes in the client (dump.cs).
 const (
 	SideStorySceneInvalid                SideStorySceneIdType = 0
 	SideStorySceneIntroduction           SideStorySceneIdType = 1

server/internal/runtime/build.go

@@ -141,6 +141,8 @@ func buildCatalogs() (*Catalogs, error) {
 
 	towerCatalog := masterdata.LoadTowerCatalog()
 
+	labyrinthCatalog := masterdata.LoadLabyrinthCatalog()
+
 	return &Catalogs{
 		GameConfig:        gameConfig,
 		Parts:             partsCatalog,
@@ -167,6 +169,7 @@ func buildCatalogs() (*Catalogs, error) {
 		SideStory:         sideStoryCatalog,
 		BigHunt:           bigHuntCatalog,
 		Tower:             towerCatalog,
+		Labyrinth:         labyrinthCatalog,
 		QuestHandler:      questHandler,
 		GachaHandler:      gachaHandler,
 	}, nil

server/internal/runtime/holder.go

@@ -51,6 +51,7 @@ type Catalogs struct {
 	SideStory         *masterdata.SideStoryCatalog
 	BigHunt           *masterdata.BigHuntCatalog
 	Tower             *masterdata.TowerCatalog
+	Labyrinth         *masterdata.LabyrinthCatalog
 
 	// Catalog-derived handlers must rebuild on every reload because they
 	// embed/cache pointers to specific catalog instances.

server/internal/service/labyrinth.go

@@ -0,0 +1,138 @@
+package service
+
+import (
+	"context"
+	"log"
+
+	pb "lunar-tear/server/gen/proto"
+	"lunar-tear/server/internal/gametime"
+	"lunar-tear/server/internal/model"
+	"lunar-tear/server/internal/runtime"
+	"lunar-tear/server/internal/store"
+)
+
+type LabyrinthServiceServer struct {
+	pb.UnimplementedLabyrinthServiceServer
+	users    store.UserRepository
+	sessions store.SessionRepository
+	holder   *runtime.Holder
+}
+
+func NewLabyrinthServiceServer(users store.UserRepository, sessions store.SessionRepository, holder *runtime.Holder) *LabyrinthServiceServer {
+	if holder == nil {
+		panic("runtime holder is required")
+	}
+	return &LabyrinthServiceServer{users: users, sessions: sessions, holder: holder}
+}
+
+func (s *LabyrinthServiceServer) ReceiveStageAccumulationReward(ctx context.Context, req *pb.ReceiveStageAccumulationRewardRequest) (*pb.ReceiveStageAccumulationRewardResponse, error) {
+	log.Printf("[LabyrinthService] ReceiveStageAccumulationReward: chapter=%d stage=%d questMissionClearCount=%d",
+		req.EventQuestChapterId, req.StageOrder, req.QuestMissionClearCount)
+
+	cat := s.holder.Get()
+	laby := cat.Labyrinth
+	granter := cat.QuestHandler.Granter
+
+	userId := CurrentUserId(ctx, s.users, s.sessions)
+	nowMillis := gametime.NowMillis()
+
+	key := store.LabyrinthStageKey{
+		EventQuestChapterId: req.EventQuestChapterId,
+		StageOrder:          req.StageOrder,
+	}
+
+	s.users.UpdateUser(userId, func(user *store.UserState) {
+		rec := user.LabyrinthStages[key]
+		old := rec.AccumulationRewardReceivedQuestMissionCount
+
+		items, highest := laby.CollectAccumulationRewards(req.EventQuestChapterId, req.StageOrder, old, req.QuestMissionClearCount)
+		if highest <= old {
+			log.Printf("[LabyrinthService] ReceiveStageAccumulationReward: nothing to grant for chapter=%d stage=%d (claimed=%d, target=%d)",
+				req.EventQuestChapterId, req.StageOrder, old, req.QuestMissionClearCount)
+			return
+		}
+
+		for _, it := range items {
+			granter.GrantFull(user, model.PossessionType(it.PossessionType), it.PossessionId, it.Count, nowMillis)
+		}
+
+		rec.EventQuestChapterId = req.EventQuestChapterId
+		rec.StageOrder = req.StageOrder
+		rec.AccumulationRewardReceivedQuestMissionCount = highest
+		rec.LatestVersion = nowMillis
+		user.LabyrinthStages[key] = rec
+
+		log.Printf("[LabyrinthService] ReceiveStageAccumulationReward: chapter=%d stage=%d granted %d item(s), claimed %d -> %d",
+			req.EventQuestChapterId, req.StageOrder, len(items), old, highest)
+	})
+
+	return &pb.ReceiveStageAccumulationRewardResponse{}, nil
+}
+
+func (s *LabyrinthServiceServer) ReceiveStageClearReward(ctx context.Context, req *pb.ReceiveStageClearRewardRequest) (*pb.ReceiveStageClearRewardResponse, error) {
+	log.Printf("[LabyrinthService] ReceiveStageClearReward: chapter=%d stage=%d",
+		req.EventQuestChapterId, req.StageOrder)
+
+	cat := s.holder.Get()
+	laby := cat.Labyrinth
+	granter := cat.QuestHandler.Granter
+
+	userId := CurrentUserId(ctx, s.users, s.sessions)
+	nowMillis := gametime.NowMillis()
+
+	key := store.LabyrinthStageKey{
+		EventQuestChapterId: req.EventQuestChapterId,
+		StageOrder:          req.StageOrder,
+	}
+
+	s.users.UpdateUser(userId, func(user *store.UserState) {
+		rec := user.LabyrinthStages[key]
+		if rec.IsReceivedStageClearReward {
+			log.Printf("[LabyrinthService] ReceiveStageClearReward: already claimed chapter=%d stage=%d",
+				req.EventQuestChapterId, req.StageOrder)
+			return
+		}
+
+		items := laby.StageClearReward(req.EventQuestChapterId, req.StageOrder)
+		for _, it := range items {
+			granter.GrantFull(user, model.PossessionType(it.PossessionType), it.PossessionId, it.Count, nowMillis)
+		}
+
+		rec.EventQuestChapterId = req.EventQuestChapterId
+		rec.StageOrder = req.StageOrder
+		rec.IsReceivedStageClearReward = true
+		rec.LatestVersion = nowMillis
+		user.LabyrinthStages[key] = rec
+
+		log.Printf("[LabyrinthService] ReceiveStageClearReward: chapter=%d stage=%d granted %d item(s)",
+			req.EventQuestChapterId, req.StageOrder, len(items))
+	})
+
+	return &pb.ReceiveStageClearRewardResponse{}, nil
+}
+
+func (s *LabyrinthServiceServer) UpdateSeasonData(ctx context.Context, req *pb.UpdateSeasonDataRequest) (*pb.UpdateSeasonDataResponse, error) {
+	laby := s.holder.Get().Labyrinth
+
+	var seasonResult []*pb.LabyrinthSeasonResult
+	for _, m := range laby.SeasonMilestones(req.EventQuestChapterId) {
+		rewards := make([]*pb.LabyrinthReward, 0, len(m.Rewards))
+		for _, it := range m.Rewards {
+			rewards = append(rewards, &pb.LabyrinthReward{
+				PossessionType: it.PossessionType,
+				PossessionId:   it.PossessionId,
+				Count:          it.Count,
+			})
+		}
+		seasonResult = append(seasonResult, &pb.LabyrinthSeasonResult{
+			EventQuestChapterId: req.EventQuestChapterId,
+			HeadQuestId:         m.HeadQuestId,
+			SeasonReward:        rewards,
+			HeadStageOrder:      m.HeadStageOrder,
+		})
+	}
+
+	log.Printf("[LabyrinthService] UpdateSeasonData: chapter=%d -> %d milestone(s)",
+		req.EventQuestChapterId, len(seasonResult))
+	return &pb.UpdateSeasonDataResponse{SeasonResult: seasonResult}, nil
+}

server/internal/store/clone.go

@@ -27,6 +27,8 @@ func CloneUserState(u UserState) UserState {
 	}
 	out.CageOrnamentRewards = maps.Clone(u.CageOrnamentRewards)
 	out.TowerAccumulationRewards = maps.Clone(u.TowerAccumulationRewards)
+	out.LabyrinthSeasons = maps.Clone(u.LabyrinthSeasons)
+	out.LabyrinthStages = maps.Clone(u.LabyrinthStages)
 	out.ConsumableItems = maps.Clone(u.ConsumableItems)
 	out.Materials = maps.Clone(u.Materials)
 	out.Parts = maps.Clone(u.Parts)

server/internal/store/seed.go

@@ -125,6 +125,8 @@ func SeedUserState(userId int64, uuid string, nowMillis int64, platform model.Cl
 		},
 		CageOrnamentRewards:      make(map[int32]CageOrnamentRewardState),
 		TowerAccumulationRewards: make(map[int32]TowerAccumulationRewardState),
+		LabyrinthSeasons:         make(map[int32]LabyrinthSeasonState),
+		LabyrinthStages:          make(map[LabyrinthStageKey]LabyrinthStageState),
 		ConsumableItems:          make(map[int32]int32),
 		Materials:                make(map[int32]int32),
 		Thoughts:                 make(map[string]ThoughtState),

server/internal/store/sqlite/load.go

@@ -78,6 +78,8 @@ func initMaps(u *store.UserState) {
 	u.ExploreScores = make(map[int32]store.ExploreScoreState)
 	u.CageOrnamentRewards = make(map[int32]store.CageOrnamentRewardState)
 	u.TowerAccumulationRewards = make(map[int32]store.TowerAccumulationRewardState)
+	u.LabyrinthSeasons = make(map[int32]store.LabyrinthSeasonState)
+	u.LabyrinthStages = make(map[store.LabyrinthStageKey]store.LabyrinthStageState)
 	u.CharacterBoards = make(map[int32]store.CharacterBoardState)
 	u.CharacterBoardAbilities = make(map[store.CharacterBoardAbilityKey]store.CharacterBoardAbilityState)
 	u.CharacterBoardStatusUps = make(map[store.CharacterBoardStatusUpKey]store.CharacterBoardStatusUpState)
@@ -659,6 +661,22 @@ func loadMapTables(db *sql.DB, uid int64, u *store.UserState) {
 		u.TowerAccumulationRewards[v.EventQuestChapterId] = v
 	})
 
+	queryRows(db, `SELECT event_quest_chapter_id, last_join_season_number, last_season_reward_received_season_number, latest_version
+		FROM user_event_quest_labyrinth_seasons WHERE user_id=?`, uid, func(rows *sql.Rows) {
+		var v store.LabyrinthSeasonState
+		rows.Scan(&v.EventQuestChapterId, &v.LastJoinSeasonNumber, &v.LastSeasonRewardReceivedSeasonNumber, &v.LatestVersion)
+		u.LabyrinthSeasons[v.EventQuestChapterId] = v
+	})
+
+	queryRows(db, `SELECT event_quest_chapter_id, stage_order, is_received_stage_clear_reward, accumulation_reward_received_quest_mission_count, latest_version
+		FROM user_event_quest_labyrinth_stages WHERE user_id=?`, uid, func(rows *sql.Rows) {
+		var v store.LabyrinthStageState
+		var rcvd int
+		rows.Scan(&v.EventQuestChapterId, &v.StageOrder, &rcvd, &v.AccumulationRewardReceivedQuestMissionCount, &v.LatestVersion)
+		v.IsReceivedStageClearReward = rcvd != 0
+		u.LabyrinthStages[store.LabyrinthStageKey{EventQuestChapterId: v.EventQuestChapterId, StageOrder: v.StageOrder}] = v
+	})
+
 	queryRows(db, `SELECT shop_item_id, bought_count, latest_bought_count_changed_datetime, latest_version
 		FROM user_shop_items WHERE user_id=?`, uid, func(rows *sql.Rows) {
 		var v store.UserShopItemState

server/internal/store/sqlite/save.go

@@ -460,6 +460,18 @@ func writeUserState(tx *sql.Tx, uid int64, u *store.UserState) error {
 			return err
 		}
 	}
+	for _, v := range u.LabyrinthSeasons {
+		if err := exec(`INSERT INTO user_event_quest_labyrinth_seasons (user_id, event_quest_chapter_id, last_join_season_number, last_season_reward_received_season_number, latest_version) VALUES (?,?,?,?,?)`,
+			uid, v.EventQuestChapterId, v.LastJoinSeasonNumber, v.LastSeasonRewardReceivedSeasonNumber, v.LatestVersion); err != nil {
+			return err
+		}
+	}
+	for k, v := range u.LabyrinthStages {
+		if err := exec(`INSERT INTO user_event_quest_labyrinth_stages (user_id, event_quest_chapter_id, stage_order, is_received_stage_clear_reward, accumulation_reward_received_quest_mission_count, latest_version) VALUES (?,?,?,?,?,?)`,
+			uid, k.EventQuestChapterId, k.StageOrder, boolToInt(v.IsReceivedStageClearReward), v.AccumulationRewardReceivedQuestMissionCount, v.LatestVersion); err != nil {
+			return err
+		}
+	}
 	for _, v := range u.ShopItems {
 		if err := exec(`INSERT INTO user_shop_items (user_id, shop_item_id, bought_count, latest_bought_count_changed_datetime, latest_version) VALUES (?,?,?,?,?)`,
 			uid, v.ShopItemId, v.BoughtCount, v.LatestBoughtCountChangedDatetime, v.LatestVersion); err != nil {
@@ -1005,6 +1017,22 @@ func diffAndSave(tx *sql.Tx, uid int64, before, after *store.UserState) error {
 			return []any{v.EventQuestChapterId, v.LatestRewardReceiveQuestMissionClearCount, v.LatestVersion}
 		},
 		"event_quest_chapter_id, latest_reward_receive_quest_mission_clear_count, latest_version")
+	diffMapInt32(tx, uid, before.LabyrinthSeasons, after.LabyrinthSeasons, "user_event_quest_labyrinth_seasons", "event_quest_chapter_id",
+		func(v store.LabyrinthSeasonState) []any {
+			return []any{v.EventQuestChapterId, v.LastJoinSeasonNumber, v.LastSeasonRewardReceivedSeasonNumber, v.LatestVersion}
+		},
+		"event_quest_chapter_id, last_join_season_number, last_season_reward_received_season_number, latest_version")
+	for k, v := range after.LabyrinthStages {
+		if old, ok := before.LabyrinthStages[k]; !ok || old != v {
+			exec(`INSERT OR REPLACE INTO user_event_quest_labyrinth_stages (user_id, event_quest_chapter_id, stage_order, is_received_stage_clear_reward, accumulation_reward_received_quest_mission_count, latest_version) VALUES (?,?,?,?,?,?)`,
+				uid, k.EventQuestChapterId, k.StageOrder, boolToInt(v.IsReceivedStageClearReward), v.AccumulationRewardReceivedQuestMissionCount, v.LatestVersion)
+		}
+	}
+	for k := range before.LabyrinthStages {
+		if _, ok := after.LabyrinthStages[k]; !ok {
+			exec(`DELETE FROM user_event_quest_labyrinth_stages WHERE user_id=? AND event_quest_chapter_id=? AND stage_order=?`, uid, k.EventQuestChapterId, k.StageOrder)
+		}
+	}
 	diffMapInt32(tx, uid, before.ShopItems, after.ShopItems, "user_shop_items", "shop_item_id",
 		func(v store.UserShopItemState) []any {
 			return []any{v.ShopItemId, v.BoughtCount, v.LatestBoughtCountChangedDatetime, v.LatestVersion}

server/internal/store/sqlite/user.go

@@ -79,6 +79,8 @@ func (s *SQLiteStore) ImportUser(u *store.UserState) error {
 
 	// Child tables in reverse-dependency order (matches schema's goose Down).
 	childTables := []string{
+		"user_event_quest_labyrinth_stages",
+		"user_event_quest_labyrinth_seasons",
 		"user_event_quest_tower_accumulation_rewards",
 		"user_cage_ornament_rewards",
 		"user_shop_replaceable_lineup",

server/internal/store/types.go

@@ -78,6 +78,8 @@ type UserState struct {
 	Gimmick                  GimmickState
 	CageOrnamentRewards      map[int32]CageOrnamentRewardState
 	TowerAccumulationRewards map[int32]TowerAccumulationRewardState
+	LabyrinthSeasons         map[int32]LabyrinthSeasonState
+	LabyrinthStages          map[LabyrinthStageKey]LabyrinthStageState
 	ConsumableItems          map[int32]int32
 	Materials                map[int32]int32
 	Parts                    map[string]PartsState
@@ -196,6 +198,12 @@ func (u *UserState) EnsureMaps() {
 	if u.TowerAccumulationRewards == nil {
 		u.TowerAccumulationRewards = make(map[int32]TowerAccumulationRewardState)
 	}
+	if u.LabyrinthSeasons == nil {
+		u.LabyrinthSeasons = make(map[int32]LabyrinthSeasonState)
+	}
+	if u.LabyrinthStages == nil {
+		u.LabyrinthStages = make(map[LabyrinthStageKey]LabyrinthStageState)
+	}
 	if u.ConsumableItems == nil {
 		u.ConsumableItems = make(map[int32]int32)
 	}
@@ -878,6 +886,27 @@ type TowerAccumulationRewardState struct {
 	LatestVersion                             int64
 }
 
+type LabyrinthSeasonState struct {
+	EventQuestChapterId                  int32
+	LastJoinSeasonNumber                 int32
+	LastSeasonRewardReceivedSeasonNumber int32
+	LatestVersion                        int64
+}
+
+// LabyrinthStageKey is the composite key for UserState.LabyrinthStages.
+type LabyrinthStageKey struct {
+	EventQuestChapterId int32
+	StageOrder          int32
+}
+
+type LabyrinthStageState struct {
+	EventQuestChapterId                         int32
+	StageOrder                                  int32
+	IsReceivedStageClearReward                  bool
+	AccumulationRewardReceivedQuestMissionCount int32
+	LatestVersion                               int64
+}
+
 type PartsState struct {
 	UserPartsUuid       string
 	PartsId             int32

server/internal/userdata/changed_tables.go

@@ -266,6 +266,9 @@ func ChangedTables(before, after *store.UserState) []string {
 	if !mapsEqualStruct(before.TowerAccumulationRewards, after.TowerAccumulationRewards) {
 		add("IUserEventQuestTowerAccumulationReward")
 	}
+	if !mapsEqualStruct(before.LabyrinthStages, after.LabyrinthStages) {
+		add("IUserEventQuestLabyrinthStage")
+	}
 
 	if !mapsEqualStruct(before.BigHuntMaxScores, after.BigHuntMaxScores) {
 		add("IUserBigHuntMaxScore")
@@ -431,6 +434,8 @@ func keyFieldsForTable(table string) []string {
 		return []string{"userId", "cageOrnamentId"}
 	case "IUserEventQuestTowerAccumulationReward":
 		return []string{"userId", "eventQuestChapterId"}
+	case "IUserEventQuestLabyrinthStage":
+		return []string{"userId", "eventQuestChapterId", "stageOrder"}
 	case "IUserAutoSaleSettingDetail":
 		return []string{"userId", "possessionAutoSaleItemType"}
 	case "IUserCharacterRebirth":

server/internal/userdata/proj_labyrinth.go

@@ -0,0 +1,72 @@
+package userdata
+
+import (
+	"sync"
+
+	"lunar-tear/server/internal/masterdata"
+	"lunar-tear/server/internal/store"
+	"lunar-tear/server/internal/utils"
+)
+
+var labyrinthCatalog = sync.OnceValue(masterdata.LoadLabyrinthCatalog)
+
+func init() {
+	register("IUserEventQuestLabyrinthSeason", func(user store.UserState) string {
+		chapters := labyrinthCatalog().ChaptersByOrder
+		records := make([]map[string]any, 0, len(chapters))
+		for _, ch := range chapters {
+			if st, ok := user.LabyrinthSeasons[ch.EventQuestChapterId]; ok {
+				records = append(records, map[string]any{
+					"userId":                               user.UserId,
+					"eventQuestChapterId":                  st.EventQuestChapterId,
+					"lastJoinSeasonNumber":                 st.LastJoinSeasonNumber,
+					"lastSeasonRewardReceivedSeasonNumber": st.LastSeasonRewardReceivedSeasonNumber,
+					"latestVersion":                        st.LatestVersion,
+				})
+				continue
+			}
+			records = append(records, map[string]any{
+				"userId":                               user.UserId,
+				"eventQuestChapterId":                  ch.EventQuestChapterId,
+				"lastJoinSeasonNumber":                 ch.LatestSeasonNumber,
+				"lastSeasonRewardReceivedSeasonNumber": 0,
+				"latestVersion":                        user.GameStartDatetime,
+			})
+		}
+		s, _ := utils.EncodeJSONMaps(records...)
+		return s
+	})
+
+	register("IUserEventQuestLabyrinthStage", func(user store.UserState) string {
+		records := make([]map[string]any, 0)
+		for _, ch := range labyrinthCatalog().ChaptersByOrder {
+			for _, stageOrder := range ch.StageOrders {
+				key := store.LabyrinthStageKey{
+					EventQuestChapterId: ch.EventQuestChapterId,
+					StageOrder:          stageOrder,
+				}
+				if st, ok := user.LabyrinthStages[key]; ok {
+					records = append(records, map[string]any{
+						"userId":                     user.UserId,
+						"eventQuestChapterId":        st.EventQuestChapterId,
+						"stageOrder":                 st.StageOrder,
+						"isReceivedStageClearReward": st.IsReceivedStageClearReward,
+						"accumulationRewardReceivedQuestMissionCount": st.AccumulationRewardReceivedQuestMissionCount,
+						"latestVersion": st.LatestVersion,
+					})
+					continue
+				}
+				records = append(records, map[string]any{
+					"userId":                     user.UserId,
+					"eventQuestChapterId":        ch.EventQuestChapterId,
+					"stageOrder":                 stageOrder,
+					"isReceivedStageClearReward": false,
+					"accumulationRewardReceivedQuestMissionCount": 0,
+					"latestVersion": user.GameStartDatetime,
+				})
+			}
+		}
+		s, _ := utils.EncodeJSONMaps(records...)
+		return s
+	})
+}

server/internal/userdata/proj_quest.go

@@ -243,8 +243,6 @@ func init() {
 	})
 	registerStatic(
 		"IUserEventQuestDailyGroupCompleteReward",
-		"IUserEventQuestLabyrinthSeason",
-		"IUserEventQuestLabyrinthStage",
 		"IUserQuestReplayFlowRewardGroup",
 		"IUserQuestAutoOrbit",
 		"IUserQuestSceneChoice",

server/migrations/20260517103753_add_user_labyrinth_state.sql

@@ -0,0 +1,23 @@
+-- +goose Up
+CREATE TABLE user_event_quest_labyrinth_seasons (
+    user_id                                   INTEGER NOT NULL REFERENCES users(user_id),
+    event_quest_chapter_id                    INTEGER NOT NULL,
+    last_join_season_number                   INTEGER NOT NULL DEFAULT 0,
+    last_season_reward_received_season_number INTEGER NOT NULL DEFAULT 0,
+    latest_version                            INTEGER NOT NULL DEFAULT 0,
+    PRIMARY KEY (user_id, event_quest_chapter_id)
+);
+
+CREATE TABLE user_event_quest_labyrinth_stages (
+    user_id                                          INTEGER NOT NULL REFERENCES users(user_id),
+    event_quest_chapter_id                           INTEGER NOT NULL,
+    stage_order                                      INTEGER NOT NULL,
+    is_received_stage_clear_reward                   INTEGER NOT NULL DEFAULT 0,
+    accumulation_reward_received_quest_mission_count INTEGER NOT NULL DEFAULT 0,
+    latest_version                                   INTEGER NOT NULL DEFAULT 0,
+    PRIMARY KEY (user_id, event_quest_chapter_id, stage_order)
+);
+
+-- +goose Down
+DROP TABLE IF EXISTS user_event_quest_labyrinth_stages;
+DROP TABLE IF EXISTS user_event_quest_labyrinth_seasons;