fix(world): resolve traffic freeze, player vehicle kick, mob npcs, void falls, subway fast-travel, and timeline playback

Ananta.Server/Ananta.Handlers/Game/GameRouter.VehicleStory.cs

@@ -487,7 +487,6 @@ internal sealed partial class GameRouter
                 new SceneMethods.SyncChangeVehicleController { VehicleInstanceId = vehicleId, ControllerPid = pid }), ct);
             await session.NotifyAsync(MethodId.SyncPlayerFinishEnterOrExitVehic, UxSerializer.Serialize(drive), ct);
             await SendStoryAsync(session, StoryS011Codec4229938.BuildEnterChildBootstrap(VehicleStoryEnterNid, vehicleId, seat));
-            await SendStoryAsync(session, StoryS011Codec4229938.BuildDeleteNode(VehicleStoryEnterNid));
             session.Log.Info($"[VEHICLE-STORY] force enter vehicle={vehicleId} seat={seat} unit={unitId} status=4");
             return (true, $"seated in vehicle {vehicleId} (seat 0) — drive with normal keys, exit with F or the Exit button");
         }

Ananta.Server/Ananta.Handlers/Game/GameRouter.Vehicles.cs

@@ -379,6 +379,7 @@ internal sealed partial class GameRouter
             conn.Log.Info($"[VEHICLE] AskPlayerStartEnterOrExitVehicle vehicle={drive.VehicleEntityId} enter={drive.EnterOrLeave} seat={drive.SeatIndex}");
             if (drive.EnterOrLeave)
             {
+                Ananta.Server.Gameplay.Traffic.CityTrafficEngine.Instance.NotifyVehicleBoarding(drive.VehicleEntityId);
                 await ForceEnterVehicleAsync(conn.Session, drive.VehicleEntityId);
             }
             else

Ananta.Server/Ananta.Handlers/Game/TrafficAndCrowdDriver.cs

@@ -25,9 +25,12 @@ internal sealed class TrafficAndCrowdDriver : ITrafficVehicleDriver, IUrbanCrowd
         await GameRouter.DestroyDirectAsync(session, entityId, "traffic-despawn");
     }
 
+    private readonly System.Collections.Concurrent.ConcurrentDictionary<ulong, int> _moveTokens = new();
+
     public async Task SendVehicleMoveAsync(
         TcpSession session, ulong entityId, float x, float y, float z, float yaw, float vx, float vz)
     {
+        var token = _moveTokens.AddOrUpdate(entityId, 1, (_, cur) => unchecked(cur + 1));
         var moveData = new SceneMethods.RaidVehicleSyncData
         {
             Id = entityId,
@@ -35,8 +38,8 @@ internal sealed class TrafficAndCrowdDriver : ITrafficVehicleDriver, IUrbanCrowd
             FacingDirection = yaw,
             EulerAngles = new SceneMethods.UxVector3(0f, yaw, 0f),
             Velocity = new SceneMethods.UxVector3(vx, 0f, vz),
-            Bits = [],
-            MoveToken = 0,
+            Bits = [1, 0, 0, 0],
+            MoveToken = token,
         };
         await session.NotifyAsync(MethodId.SyncVehicleMove, UxSerializer.Serialize(moveData), CancellationToken.None);
         GameRouter.TrackVehicleMove(entityId, x, y, z, yaw);