feat: Add metro transit, gadgets, shop, social apps, and traffic models checkpoint

Ananta.Server/Ananta.Core/Protocol/Client4229938/WorldEntryState.cs

@@ -58,6 +58,20 @@ internal sealed class WorldEntryState
     internal int WorldEntryControlFinalizingGeneration { get; set; }
     internal int WorldEntryLogicProjectionPublishedGeneration { get; set; }
     internal int WorldEntryCurrentMetadataPublishedGeneration { get; set; }
+
+    // Vehicle shop / tuning purchases (GameRouter.Shop): bought parts per vehicle config
+    // merged into spawns and the owned list; suits recorded separately (SuitId base).
+    internal Dictionary<uint, List<(uint Type, uint PartId)>> VehiclePartsByConfig { get; } = [];
+    internal Dictionary<uint, uint> VehicleSuitByConfig { get; } = [];
+    internal HashSet<uint> SessionUnlockedVehicleConfigs { get; } = [];
+
+    // Story/intro chain (GameRouter.StoryFlow): the intro cutscene is driven by the
+    // story root task 60004938 + its NextTasks chain in TaskConfig.
+    internal Dictionary<uint, byte> QuestStates { get; } = [];
+    internal Dictionary<uint, int[]> QuestCounterValues { get; } = [];
+    internal List<uint> StoryChain { get; } = [];
+    internal HashSet<uint> UnlockedQuestIds { get; } = [];
+    internal uint CurrentQuestTaskId { get; set; }
     internal ulong WorldEntrySceneId4229938 { get; set; }
     internal ulong WorldEntrySessionId4229938 { get; set; }
     internal Vec3 WorldEntryCreateHeroPosition { get; set; } = Profile.WorldSpawn;