feat: publish rolling trajectories without stop tails

ClumsyPilot/ParkrobTrajplanner/EMPlanner/Contracts/EmTrajectoryMetadata.cs

@@ -15,7 +15,8 @@ public sealed class EmTrajectoryMetadata
         string previousTrajectoryId,
         int segmentIndex,
         TravelDirection direction,
-        EmTerminalType terminalType)
+        EmTerminalType terminalType,
+        EmLongitudinalMode longitudinalMode)
     {
         if (string.IsNullOrWhiteSpace(trajectoryId))
             throw new ArgumentException("A trajectory ID is required.", nameof(trajectoryId));
@@ -31,6 +32,8 @@ public sealed class EmTrajectoryMetadata
             throw new ArgumentOutOfRangeException(nameof(direction));
         if (!Enum.IsDefined(typeof(EmTerminalType), terminalType))
             throw new ArgumentOutOfRangeException(nameof(terminalType));
+        if (!Enum.IsDefined(typeof(EmLongitudinalMode), longitudinalMode))
+            throw new ArgumentOutOfRangeException(nameof(longitudinalMode));
 
         TrajectoryId = trajectoryId;
         GeneratedAtUtc = generatedAtUtc;
@@ -42,6 +45,7 @@ public sealed class EmTrajectoryMetadata
         SegmentIndex = segmentIndex;
         Direction = direction;
         TerminalType = terminalType;
+        LongitudinalMode = longitudinalMode;
     }
 
     public string TrajectoryId { get; }
@@ -54,4 +58,5 @@ public sealed class EmTrajectoryMetadata
     public int SegmentIndex { get; }
     public TravelDirection Direction { get; }
     public EmTerminalType TerminalType { get; }
+    public EmLongitudinalMode LongitudinalMode { get; }
 }