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SVSim.EmulatedEntrypoint/Models/Dtos/EmblemIdentifier.cs

@@ -6,5 +6,5 @@ namespace SVSim.EmulatedEntrypoint.Models.Dtos;
 public class EmblemIdentifier
 {
     [Key("emblem_id")]
-    public int EmblemId { get; set; }
+    public long EmblemId { get; set; }
 }

SVSim.EmulatedEntrypoint/Models/Dtos/Requests/IndexRequest.cs

@@ -1,7 +1,13 @@
+using MessagePack;
+
 namespace SVSim.EmulatedEntrypoint.Models.Dtos.Requests;
 
+[MessagePackObject]
 public class IndexRequest : BaseRequest
 {
+    [Key("carrier")]
     public string Carrier { get; set; }
+
+    [Key("card_master_hash")]
     public string CardMasterHash { get; set; }
-}
+}

SVSim.EmulatedEntrypoint/Models/Dtos/Responses/GameStartResponse.cs

@@ -2,31 +2,83 @@ using MessagePack;
 
 namespace SVSim.EmulatedEntrypoint.Models.Dtos.Responses;
 
+/// <summary>
+/// Wire-shape mirrors production's <c>/check/game_start</c> response. Several fields here are
+/// NOT read by <c>Cute/GameStartCheckTask.Parse</c> (<c>now_viewer_id</c>, <c>now_name</c>,
+/// <c>now_rank</c> — those are consumed by sibling tasks); they're included because prod sends
+/// them and the boot worked when we matched prod exactly. Removing them is a regression risk
+/// even though the parse-time decompile says they're unused.
+/// </summary>
 [MessagePackObject]
 public class GameStartResponse
 {
+    /// <summary>The signed-in viewer's internal id. Prod always sends.</summary>
     [Key("now_viewer_id")]
     public long NowViewerId { get; set; }
+
+    /// <summary>
+    /// Whether the user has set a data-transfer password. Prod sends a non-null bool;
+    /// <c>GameStartCheckTask.Parse</c> gates the read with <c>Keys.Contains</c>.
+    /// </summary>
     [Key("is_set_transition_password")]
     public bool IsSetTransitionPassword { get; set; }
+
+    /// <summary>Viewer display name. Not read by GameStartCheckTask but sent by prod.</summary>
     [Key("now_name")]
-    public string NowName { get; set; }
+    public string NowName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Per-format rank-name map keyed by deck-format id ("1", "2", "4" observed in prod).
+    /// Stub for now until rank state is persisted; pinned to RankName_010 / RankName_017
+    /// (matches prod's shape).
+    /// </summary>
     [Key("now_rank")]
-    public Dictionary<string, string> NowRank { get; set; }
+    public Dictionary<string, string> NowRank { get; set; } = new();
+
+    /// <summary>
+    /// Tutorial progress — **sent as a string on the wire** ("100" = tutorial complete).
+    /// <c>GameStartCheckTask.Parse</c> calls <c>.ToInt()</c> so LitJson coerces.
+    /// </summary>
     [Key("now_tutorial_step")]
-    public string NowTutorialStep { get; set; }
+    public string NowTutorialStep { get; set; } = "100";
+
+    /// <summary>
+    /// Linked social accounts. Per-entry shape in <see cref="TransitionAccountData"/>.
+    /// </summary>
     [Key("transition_account_data")]
-    public List<TransitionAccountData> TransitionAccountData { get; set; }
+    public List<TransitionAccountData> TransitionAccountData { get; set; } = new();
+
+    // INTENTIONALLY OMITTED: `rewrite_viewer_id` and `account_delete_reservation_status`.
+    // Both are presence-checked by the client via `Keys.Contains(...)` + `.ToInt()` with no
+    // null guard. MessagePack-CSharp writes [Key] properties unconditionally (null → Nil),
+    // and the System.Text.Json `WhenWritingNull` ignore only affects the plain-JSON path.
+    // So including these as nullable properties is a guaranteed NRE on the encrypted client
+    // path. We don't need them — the client tolerates their absence — so don't declare them.
+    // Re-add only if we have a real value to send.
+
+    // --- Agreement / consent state (all required) ---
+
+    /// <summary><c>PlayerStaticData.AgreementState</c> enum.</summary>
     [Key("tos_state")]
     public int TosState { get; set; }
-    [Key("tos_id")]
-    public int TosId { get; set; }
+
+    /// <summary><c>PlayerStaticData.AgreementState</c> enum.</summary>
     [Key("policy_state")]
     public int PolicyState { get; set; }
-    [Key("policy_id")]
-    public int PolicyId { get; set; }
-    [Key("kor_authority_id")]
-    public int KorAuthorityId { get; set; }
+
+    /// <summary><c>PlayerStaticData.AgreementState</c> enum.</summary>
     [Key("kor_authority_state")]
     public int KorAuthorityState { get; set; }
-}
+
+    /// <summary>Current Terms of Service document id.</summary>
+    [Key("tos_id")]
+    public int TosId { get; set; }
+
+    /// <summary>Current Privacy Policy document id.</summary>
+    [Key("policy_id")]
+    public int PolicyId { get; set; }
+
+    /// <summary>Current Korean authority consent document id.</summary>
+    [Key("kor_authority_id")]
+    public int KorAuthorityId { get; set; }
+}

SVSim.EmulatedEntrypoint/Models/Dtos/Responses/IndexResponse.cs

@@ -8,10 +8,6 @@ public class IndexResponse
 {
     #region Primitive Returns
 
-    [Key("ts_card_rotation")]
-    public string TsCardRotation { get; set; } = string.Empty;
-    [Key("is_beginner_mission")]
-    public int IsBeginnerMission { get; set; }
     [Key("spot_point")]
     public int SpotPoint { get; set; }
     [Key("is_available_colosseum_free_entry")]
@@ -23,29 +19,22 @@ public class IndexResponse
     [Key("room_recovery_status")]
     public int RoomRecoveryStatus { get; set; }
     [Key("is_battle_pass_period")]
-    public bool IsBattlePassPeriod { get; set; }
+    public int IsBattlePassPeriod { get; set; }
     [Key("card_set_id_for_resource_dl_view")]
     public int CardSetIdForResourceDlView { get; set; }
+    [Key("deck_format")]
+    public int DeckFormat { get; set; } = 1;
 
     #endregion
 
     #region Basic User Data
 
-    /// <summary>
-    /// The user's tutorial progress state.
-    /// </summary>
     [Key("user_tutorial")]
     public UserTutorial UserTutorial { get; set; } = new UserTutorial();
-    
-    /// <summary>
-    /// Basic information about the user.
-    /// </summary>
+
     [Key("user_info")]
     public UserInfo UserInfo { get; set; } = new UserInfo();
 
-    /// <summary>
-    /// The in-game currency information for this user.
-    /// </summary>
     [Key("user_crystal_count")]
     public UserCurrency UserCurrency { get; set; } = new UserCurrency();
 
@@ -53,234 +42,163 @@ public class IndexResponse
 
     #region Inventory Data
 
-    /// <summary>
-    /// Items that the user has and how many of each.
-    /// </summary>
-    [Key("user_item_list")] 
-    public List<UserItem> UserItems { get; set; } = new List<UserItem>();
-    
-    /// <summary>
-    /// Decks for the rotation format.
-    /// </summary>
+    [Key("user_item_list")]
+    public List<UserItem> UserItems { get; set; } = new();
+
     [Key("user_deck_rotation")]
-    public UserFormatDeckInfo UserRotationDecks { get; set; } = new UserFormatDeckInfo();
+    public UserFormatDeckInfo UserRotationDecks { get; set; } = new();
 
-    /// <summary>
-    /// Decks for the unlimited format.
-    /// </summary>
     [Key("user_deck_unlimited")]
-    public UserFormatDeckInfo UserUnlimitedDecks { get; set; } = new UserFormatDeckInfo();
-    
-    /// <summary>
-    /// Decks for the unlimited format.
-    /// </summary>
+    public UserFormatDeckInfo UserUnlimitedDecks { get; set; } = new();
+
     [Key("user_deck_my_rotation")]
-    public UserFormatDeckInfo UserMyRotationDecks { get; set; } = new UserFormatDeckInfo();
+    public UserFormatDeckInfo UserMyRotationDecks { get; set; } = new();
 
-    /// <summary>
-    /// The list of cards and how many of each this user has.
-    /// </summary>
     [Key("user_card_list")]
-    public List<UserCard> UserCards { get; set; } = new List<UserCard>();
+    public List<UserCard> UserCards { get; set; } = new();
 
-    /// <summary>
-    /// The classes a user has and their stats.
-    /// </summary>
     [Key("user_class_list")]
-    public List<UserClass> UserClasses { get; set; } = new List<UserClass>();
+    public List<UserClass> UserClasses { get; set; } = new();
 
     /// <summary>
-    /// Mapping of SleeveId to a <see cref="SleeveIdentifier"/> object.
+    /// Wire is an array; parser iterates by index (LoadDetail.cs:358-360).
     /// </summary>
     [Key("user_sleeve_list")]
-    public Dictionary<string, SleeveIdentifier> Sleeves { get; set; } = new Dictionary<string, SleeveIdentifier>();
+    public List<SleeveIdentifier> Sleeves { get; set; } = new();
 
-    /// <summary>
-    /// The emblems available to this user.
-    /// </summary>
     [Key("user_emblem_list")]
-    public List<EmblemIdentifier> UserEmblems { get; set; } = new List<EmblemIdentifier>();
+    public List<EmblemIdentifier> UserEmblems { get; set; } = new();
+
+    [Key("user_degree_list")]
+    public List<DegreeIdentifier> UserDegrees { get; set; } = new();
 
     /// <summary>
-    /// The degrees available to this user.
-    /// </summary>
-    [Key("degree_id")]
-    public List<DegreeIdentifier> UserDegrees { get; set; } = new List<DegreeIdentifier>();
-
-    /// <summary>
-    /// Leader skins available to the leader.
+    /// Wire is an array; parser iterates by index (LoadDetail.cs:348-356).
     /// </summary>
     [Key("user_leader_skin_list")]
-    public Dictionary<string, UserLeaderSkin> LeaderSkins { get; set; } = new Dictionary<string, UserLeaderSkin>();
-    
+    public List<UserLeaderSkin> LeaderSkins { get; set; } = new();
+
     /// <summary>
-    /// Backgrounds for 'My Page' the user has collected.
+    /// Wire is string[]; parser calls .ToString() on each element (LoadDetail.cs:387-392).
     /// </summary>
     [Key("user_mypage_list")]
-    public List<int> MyPageBackgrounds { get; set; } = new List<int>();
+    public List<string> MyPageBackgrounds { get; set; } = new();
 
     #endregion
 
     #region Advanced Player Data
 
     /// <summary>
-    /// Maps a deck format (as a string) to info about ranked for that format.
+    /// Wire is an array of 5 entries; parser uses deck_format as discriminator
+    /// (LoadDetail.cs:527-538).
     /// </summary>
     [Key("user_rank")]
-    public Dictionary<string, UserRankInfo> UserRankInfo { get; set; } = new Dictionary<string, UserRankInfo>();
+    public List<UserRankInfo> UserRankInfo { get; set; } = new();
 
-    /// <summary>
-    /// The number of ranked matches for each class the user has played.
-    /// </summary>
     [Key("user_rank_match_list")]
-    public List<UserRankedMatches> UserRankedMatches { get; set; } = new List<UserRankedMatches>();
+    public List<UserRankedMatches> UserRankedMatches { get; set; } = new();
 
-    /// <summary>
-    /// The daily login bonuses currently going on, including if the player should receive the next reward for any.
-    /// </summary>
     [Key("daily_login_bonus")]
-    public DailyLoginBonus DailyLoginBonus { get; set; } = new DailyLoginBonus();
+    public DailyLoginBonus DailyLoginBonus { get; set; } = new();
 
-    /// <summary>
-    /// User configuration for the arena.
-    /// </summary>
     [Key("challenge_config")]
-    public ArenaConfig ArenaConfig { get; set; } = new ArenaConfig();
+    public ArenaConfig ArenaConfig { get; set; } = new();
 
     #endregion
 
     #region Global Data
 
-    /// <summary>
-    /// Cards that have had their red ether values overriden.
-    /// </summary>
     [Key("red_ether_overwrite_list")]
-    public List<RedEtherOverride> RedEtherOverrides { get; set; } = new List<RedEtherOverride>();
+    public List<RedEtherOverride> RedEtherOverrides { get; set; } = new();
 
     /// <summary>
-    /// Cards that are currently undergoing maintenance.
+    /// Wire is a flat number[]; parser passes it straight to SetMaintenanceCardIds
+    /// (LoadDetail.cs:165).
     /// </summary>
     [Key("maintenance_card_list")]
-    public List<CardIdentifier> MaintenanceCards { get; set; } = new List<CardIdentifier>();
-    
-    /// <summary>
-    /// The arena formats currently available.
-    /// </summary>
+    public List<long> MaintenanceCards { get; set; } = new();
+
     [Key("arena_info")]
-    public List<ArenaInfo> ArenaInfos { get; set; } = new List<ArenaInfo>();
+    public List<ArenaInfo> ArenaInfos { get; set; } = new();
 
     /// <summary>
-    /// Dictionary of rank id to information about that rank.
+    /// Wire is an array; client uses POSITIONAL logic (index >= 24 = master ranks,
+    /// LoadDetail.cs:417-422). Order must match repository's ordering.
     /// </summary>
     [Key("rank_info")]
-    public Dictionary<string, RankInfo> RankInfo { get; set; } = new Dictionary<string, RankInfo>();
+    public List<RankInfo> RankInfo { get; set; } = new();
 
     /// <summary>
-    /// Dictionary mapping a class level to information about that level.
+    /// Wire is an array; parser iterates by index (LoadDetail.cs:425-434).
     /// </summary>
     [Key("class_exp")]
-    public Dictionary<string, ClassExp> ClassExp { get; set; } = new Dictionary<string, ClassExp>();
+    public List<ClassExp> ClassExp { get; set; } = new();
 
-    /// <summary>
-    /// Card ids that should not show up on loading screen tips.
-    /// </summary>
     [Key("loading_exclusion_card_list")]
-    public List<long> LoadingTipCardExclusions { get; set; } = new List<long>();
+    public List<long> LoadingTipCardExclusions { get; set; } = new();
 
-    /// <summary>
-    /// The default settings for every user.
-    /// </summary>
     [Key("default_setting")]
-    public DefaultSettings DefaultSettings { get; set; } = new DefaultSettings();
+    public DefaultSettings DefaultSettings { get; set; } = new();
 
-    /// <summary>
-    /// Any cards that are restricted in unlimited, and the maximum count that can be run of the card.
-    /// </summary>
     [Key("unlimited_restricted_base_card_id_list")]
-    public Dictionary<string, int> UnlimitedBanList { get; set; } = new Dictionary<string, int>();
+    public Dictionary<string, int> UnlimitedBanList { get; set; } = new();
 
     /// <summary>
-    /// Sets currently available in rotation.
+    /// Client unconditionally accesses [1] and [Count-1] (LoadDetail.cs:184) — list MUST
+    /// have at least 2 entries or the client crashes.
     /// </summary>
     [Key("rotation_card_set_id_list")]
-    public List<CardSetIdentifier> RotationSets { get; set; } = new List<CardSetIdentifier>();
+    public List<CardSetIdentifier> RotationSets { get; set; } = new();
 
     /// <summary>
-    /// Allows cards out of your 'My Rotation' to still be used. TODO investigate
+    /// Wire is a flat number[]; parser iterates and reads .ToInt() (LoadDetail.cs:463-468).
     /// </summary>
     [Key("reprinted_base_card_ids")]
-    public Dictionary<string, long> ReprintedCards { get; set; } = new Dictionary<string, long>();
+    public List<long> ReprintedCards { get; set; } = new();
 
-    /// <summary>
-    /// Something to do with destroying cards. TODO investigate
-    /// </summary>
     [Key("spot_cards")]
-    public Dictionary<string, int> SpotCards { get; set; } = new Dictionary<string, int>();
+    public Dictionary<string, int> SpotCards { get; set; } = new();
 
-    /// <summary>
-    /// Info about the next set to be released? TODO investigate
-    /// </summary>
     [Key("pre_release_info")]
     public PreReleaseInfo? PreReleaseInfo { get; set; }
-    
-    /// <summary>
-    /// Information for the 'My Rotation' mode.
-    /// </summary>
+
     [Key("my_rotation_info")]
     public MyRotationInfo? MyRotationInfo { get; set; }
-    
-    /// <summary>
-    /// Information about some avatar mode? TODO investigate
-    /// </summary>
+
     [Key("avatar_info")]
     public MyRotationInfo? AvatarRotationInfo { get; set; }
-    
-    /// <summary>
-    /// List of features that are undergoing maintenance.
-    /// </summary>
+
     [Key("feature_maintenance_list")]
-    public List<FeatureMaintenance> FeatureMaintenances { get; set; } = new List<FeatureMaintenance>();
-    
-    
-    /// <summary>
-    /// Special deals on crystal purchases.
-    /// </summary>
+    public List<FeatureMaintenance> FeatureMaintenances { get; set; } = new();
+
     [Key("special_crystal_info")]
-    public List<SpecialCrystalInfo> SpecialCrystalInfos { get; set; } = new List<SpecialCrystalInfo>();
-    
-    /// <summary>
-    /// Current battle pass levels and required points for each.
-    /// </summary>
+    public List<SpecialCrystalInfo> SpecialCrystalInfos { get; set; } = new();
+
     [Key("battle_pass_level_info")]
     public Dictionary<string, BattlePassLevel>? BattlePassLevelInfo { get; set; }
 
     /// <summary>
-    /// Battlefields that can currently be picked.
+    /// Wire is string[]; parser calls .ToString() on each element (LoadDetail.cs:493-499).
     /// </summary>
     [Key("open_battle_field_id_list")]
-    public Dictionary<string, int> OpenBattlefieldIds { get; set; } = new Dictionary<string, int>();
+    public List<string> OpenBattlefieldIds { get; set; } = new();
 
     #endregion
 
     #region Misc Data
 
-    /// <summary>
-    /// What loot box features are disabled for this user.
-    /// </summary>
     [Key("loot_box_regulation")]
-    public LootBoxRegulations LootBoxRegulations { get; set; } = new LootBoxRegulations();
+    public LootBoxRegulations LootBoxRegulations { get; set; } = new();
 
-    /// <summary>
-    /// Something about whether the user has an invite notification.
-    /// </summary>
     [Key("gathering_info")]
-    public GatheringInfo GatheringInfo { get; set; } = new GatheringInfo();
+    public GatheringInfo GatheringInfo { get; set; } = new();
 
     /// <summary>
-    /// User configuration.
+    /// Spec is unclear whether this is returned at /load/index or only at /config/* endpoints
+    /// (load-index.md line 390). Pending live-capture confirmation; harmless extra.
     /// </summary>
     [Key("user_config")]
-    public UserConfig UserConfig { get; set; } = new UserConfig();
+    public UserConfig UserConfig { get; set; } = new();
 
     #endregion
-}
+}

SVSim.EmulatedEntrypoint/Models/Dtos/Responses/SpecialTitleCheckResponse.cs

@@ -5,8 +5,10 @@ namespace SVSim.EmulatedEntrypoint.Models.Dtos.Responses;
 [MessagePackObject]
 public class SpecialTitleCheckResponse
 {
+    /// <summary>
+    /// Numeric string. "0"/"1" are the built-in default title screens; any other value
+    /// is treated as an asset-bundle id. When omitted, the client defaults to "0".
+    /// </summary>
     [Key("title_image_id")]
-    public int TitleImageId { get; set; }
-    [Key("title_sound_id")]
-    public int TitleSoundId { get; set; }
-}
+    public string? TitleImageId { get; set; }
+}

SVSim.EmulatedEntrypoint/Models/Dtos/SleeveIdentifier.cs

@@ -12,5 +12,5 @@ public class SleeveIdentifier
     /// The id of the sleeve.
     /// </summary>
     [Key("sleeve_id")]
-    public int SleeveId { get; set; }
+    public long SleeveId { get; set; }
 }

SVSim.EmulatedEntrypoint/Models/Dtos/TransitionAccountData.cs

@@ -2,15 +2,35 @@ using MessagePack;
 
 namespace SVSim.EmulatedEntrypoint.Models.Dtos;
 
+/// <summary>
+/// Per-link entry in <c>transition_account_data</c>. Production sends three string fields per
+/// entry even though <c>GameStartCheckTask.Parse</c> only reads <c>social_account_type</c>.
+/// The extra two are read by adjacent tasks (<c>GetGameDataByTransitionCode</c>,
+/// <c>GetGameDataBySocialAccountTask</c>) — kept here so the wire matches prod regardless of
+/// which task ends up consuming the payload.
+/// </summary>
 [MessagePackObject]
 public class TransitionAccountData
 {
+    /// <summary>
+    /// The social provider's account id (e.g. SteamID as a string). Sent as string on the wire.
+    /// </summary>
     [Key("social_account_id")]
-    public string SocialAccountId { get; set; }
-    
+    public string? SocialAccountId { get; set; }
+
+    /// <summary>
+    /// <c>Cute/CuteNetworkDefine.ACCOUNT_TYPE</c> enum, **sent as string** on the wire even
+    /// though it's numeric. <c>GameStartCheckTask.Parse</c> calls <c>.ToInt()</c> on it so
+    /// LitJson coerces transparently — but matching prod's string form makes us safer against
+    /// future client paths that might compare it as a literal.
+    /// 1=GooglePlay, 2=GameCenter, 3=Facebook, 4=DMM, 5=Steam, 6=AppleID.
+    /// </summary>
     [Key("social_account_type")]
-    public string SocialAccountType { get; set; }
-    
+    public string? SocialAccountType { get; set; }
+
+    /// <summary>
+    /// The viewer id this social connection is linked to. Sent as string.
+    /// </summary>
     [Key("connected_viewer_id")]
-    public string ConnectedViewerId { get; set; }
-}
+    public string? ConnectedViewerId { get; set; }
+}

SVSim.EmulatedEntrypoint/Models/Dtos/UserInfo.cs

@@ -18,8 +18,12 @@ public class UserInfo
     public DateTime LastPlayTime { get; set; }
     [Key("is_received_two_pick_mission")]
     public int HasReceivedPickTwoMission { get; set; }
+    /// <summary>
+    /// Birth date as yyyy-MM-dd. Parser does .ToString() on this field (LoadDetail.cs:203).
+    /// Format verified against live capture pending.
+    /// </summary>
     [Key("birth")]
-    public long Birthday { get; set; }
+    public string Birthday { get; set; } = string.Empty;
     [Key("selected_emblem_id")]
     public long SelectedEmblemId { get; set; }
     [Key("selected_degree_id")]
@@ -45,7 +49,7 @@ public class UserInfo
         this.MaxFriend = viewer.Info.MaxFriends;
         this.LastPlayTime = viewer.LastLogin;
         this.HasReceivedPickTwoMission = viewer.MissionData.HasReceivedPickTwoMission ? 1 : 0;
-        this.Birthday = viewer.Info.BirthDate.Ticks;
+        this.Birthday = viewer.Info.BirthDate.ToString("yyyy-MM-dd");
         this.SelectedEmblemId = viewer.Info.SelectedEmblem.Id;
         this.SelectedDegreeId = viewer.Info.SelectedDegree.Id;
         this.MissionChangeTime = viewer.MissionData.MissionChangeTime;
@@ -53,4 +57,4 @@ public class UserInfo
         this.IsOfficial = viewer.Info.IsOfficial ? 1 : 0;
         this.IsOfficialMarkDisplayed = viewer.Info.IsOfficialMarkDisplayed ? 1 : 0;
     }
-}
+}

SVSim.EmulatedEntrypoint/Models/Dtos/UserLeaderSkin.cs

@@ -21,7 +21,9 @@ public class UserLeaderSkin
     {
         this.Id = leaderSkin.Id;
         this.Name = leaderSkin.Name;
-        this.ClassId = leaderSkin.Class.Id;
+        // Class is nullable — BaseDataSeeder maps CSV class_chara_id=0 to null. Fall back to
+        // the FK column (also nullable) and finally 0 for class-agnostic skins.
+        this.ClassId = leaderSkin.Class?.Id ?? leaderSkin.ClassId ?? 0;
         this.EmoteId = leaderSkin.EmoteId;
         this.IsOwned = isOwned;
     }

SVSim.EmulatedEntrypoint/Models/Dtos/UserRankInfo.cs

@@ -20,7 +20,7 @@ public class UserRankInfo
     [Key("is_master_rank")]
     public int IsMasterRank { get; set; }
     [Key("is_grand_master_rank")]
-    public bool IsGrandMasterRank { get; set; }
+    public int IsGrandMasterRank { get; set; }
     [Key("master_point")]
     public int MasterPoints { get; set; }
     [Key("period_grand_master_point")]