fix: publish distinct EM observation semantics

ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/MovementTest.TrajectoryObservationTest.cs

@@ -321,7 +321,8 @@ internal static class TrajectoryObservationMovementTestRunner
             DrawIfCurrent(sessionId, bootstrap, observation, charts, runtimeState, diagnostic);
             webPublisher?.TryPublish(now, () => dynamicSnapshotBuilder.Build(
                 Interlocked.Increment(ref visualizationSequence), tick, controller.ActiveSegment,
-                controller.PreviousTrajectoryForVisualization, controller.CreateEffectiveConfigurationSnapshot()));
+                controller.PreviousTrajectoryForVisualization, bootstrap.Vehicle,
+                controller.CreateEffectiveConfigurationSnapshot()));
             if (runtimeState.WaitingAtGearSwitch && !gearSwitchWaitingPrinted)
             {
                 LogIfCurrent(sessionId, runtimeState.WorldNotice);

ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/TrajectoryObservationDynamicSnapshotBuilder.cs

@@ -13,10 +13,12 @@ public sealed class TrajectoryObservationDynamicSnapshotBuilder
     private readonly TrajectoryObservationHandoffAnalyzer handoff = new TrajectoryObservationHandoffAnalyzer();
 
     public PlanningVisualizationDynamicSnapshot Build(long sequence, TrajectoryObservationLoopTick tick,
-        DirectionSegmentView activeSegment, EmTrajectory previousTrajectoryForVisualization, EmPlannerConfiguration configuration)
+        DirectionSegmentView activeSegment, EmTrajectory previousTrajectoryForVisualization,
+        VehicleParameters vehicle, EmPlannerConfiguration configuration)
     {
         if (tick == null) throw new ArgumentNullException(nameof(tick));
         if (activeSegment == null) throw new ArgumentNullException(nameof(activeSegment));
+        if (vehicle == null) throw new ArgumentNullException(nameof(vehicle));
         if (configuration == null) throw new ArgumentNullException(nameof(configuration));
 
         EmTrajectory current = tick.Observation.PublishedTrajectory;
@@ -24,14 +26,17 @@ public sealed class TrajectoryObservationDynamicSnapshotBuilder
         AddSegment(polylines, activeSegment);
         AddTrajectory(polylines, "previous", "上一轨迹", previousTrajectoryForVisualization, VisualizationLineStyle.Dashed);
         AddTrajectory(polylines, "current", "当前轨迹", current, VisualizationLineStyle.Solid);
-        AddTrajectory(polylines, "current-horizon", "当前规划视界", current, VisualizationLineStyle.Solid);
 
         IReadOnlyList<VisualizationChart> chartList = current == null
             ? Array.Empty<VisualizationChart>()
-            : charts.Build(current, activeSegment, configuration);
+            : charts.Build(current, activeSegment, vehicle, configuration);
         int projectionFailures = current == null ? 0 : charts.CountProjectionFailures(current, activeSegment, configuration);
         TrajectoryObservationHandoffMetrics metrics = handoff.Analyze(current, previousTrajectoryForVisualization, activeSegment);
         EmTrajectoryPoint terminal = current == null ? null : current.Points[current.Points.Count - 1];
+        var markers = new List<VisualizationMarker>();
+        AddVehicleMarker(markers, tick);
+        AddPlanStartMarker(markers, current);
+        AddBoundaryMarker(markers, activeSegment);
         var status = new List<VisualizationValue>
         {
             Value("活动段", "ActiveSegmentIndex", activeSegment.SegmentIndex.ToString(CultureInfo.InvariantCulture), "", "normal"),
@@ -57,7 +62,7 @@ public sealed class TrajectoryObservationDynamicSnapshotBuilder
         return new PlanningVisualizationDynamicSnapshot(sequence, tick.Observation.ObservedAtUtc, "OBSERVE_ONLY",
             activeSegment.SegmentIndex, activeSegment.Direction.ToString(), new VisualizationPose(
                 tick.Observation.VehicleState.Pose.X, tick.Observation.VehicleState.Pose.Y,
-                tick.Observation.VehicleState.Pose.Heading), polylines, Array.Empty<VisualizationMarker>(), chartList, status,
+                tick.Observation.VehicleState.Pose.Heading), polylines, markers, chartList, status,
             new VisualizationCycleSummary(cycle == null ? 0L : cycle.Version, tick.Observation.ObservedAtUtc,
                 cycle == null ? "pending" : cycle.Result.Status.ToString(), cycle != null && cycle.Published,
                 Math.Max(0d, tick.LatestPlanningElapsed.TotalMilliseconds), activeSegment.SegmentIndex,
@@ -84,6 +89,39 @@ public sealed class TrajectoryObservationDynamicSnapshotBuilder
         lines.Add(new VisualizationPolyline(id, legend, id, style, points));
     }
 
+    private static void AddVehicleMarker(ICollection<VisualizationMarker> markers,
+        TrajectoryObservationLoopTick tick)
+    {
+        markers.Add(new VisualizationMarker("vehicle", "vehicle", "车辆",
+            new VisualizationPoint(tick.Observation.VehicleState.Pose.X,
+                tick.Observation.VehicleState.Pose.Y)));
+    }
+
+    private static void AddPlanStartMarker(ICollection<VisualizationMarker> markers, EmTrajectory trajectory)
+    {
+        if (trajectory == null || trajectory.Points.Count == 0) return;
+        EmTrajectoryPoint start = trajectory.Points[0];
+        markers.Add(new VisualizationMarker("plan-start", "plan-start", "计划起点",
+            new VisualizationPoint(start.X, start.Y)));
+    }
+
+    private static void AddBoundaryMarker(ICollection<VisualizationMarker> markers,
+        DirectionSegmentView segment)
+    {
+        var point = segment.Points[segment.Points.Count - 1];
+        if (segment.EndBoundary.BoundaryType == EmBoundaryType.GearSwitchApproach)
+        {
+            markers.Add(new VisualizationMarker("gear-switch-end", "gear-switch-end",
+                "换向点 " + (segment.SegmentIndex + 1) + " / s_end",
+                new VisualizationPoint(point.X, point.Y)));
+        }
+        else if (segment.EndBoundary.BoundaryType == EmBoundaryType.Goal)
+        {
+            markers.Add(new VisualizationMarker("final-goal", "final-goal", "终点 / s_end",
+                new VisualizationPoint(point.X, point.Y)));
+        }
+    }
+
     private static string RollingTerminalText(EmTrajectory trajectory)
     {
         if (trajectory == null) return "不可用";

ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/TrajectoryObservationKinematicChartBuilder.cs

@@ -10,26 +10,32 @@ namespace MultiWheelC.TrajectoryPlanning.TrajectoryObservation;
 public sealed class TrajectoryObservationKinematicChartBuilder
 {
     public IReadOnlyList<VisualizationChart> Build(EmTrajectory trajectory, DirectionSegmentView segment,
-        EmPlannerConfiguration configuration)
+        VehicleParameters vehicle, EmPlannerConfiguration configuration)
     {
         if (trajectory == null) throw new ArgumentNullException(nameof(trajectory));
         if (segment == null) throw new ArgumentNullException(nameof(segment));
+        if (vehicle == null) throw new ArgumentNullException(nameof(vehicle));
         if (configuration == null) throw new ArgumentNullException(nameof(configuration));
 
         LsBuildResult ls = BuildLs(trajectory, segment, configuration.Frenet.MaximumProjectionDistanceMeters);
+        double curvatureLimit = CurvatureLimit(vehicle);
+        double terminalTime = trajectory.Points.Count == 0 ? 0d : trajectory.Points[trajectory.Points.Count - 1].TimeFromStart;
         return new[]
         {
             Chart("ls", "横向偏移", "ReferenceS (m)", "l (m)", ls.Points,
-                "完整活动方向段投影；投影失败=" + ls.ProjectionFailureCount.ToString(CultureInfo.InvariantCulture)),
-            Chart("st", "时空轨迹", "t (s)", "PathS (m)", Points(trajectory, p => p.PathS), ""),
+                "完整活动方向段投影；投影失败=" + ls.ProjectionFailureCount.ToString(CultureInfo.InvariantCulture),
+                new[] { new VisualizationChartAnnotation("ls-s-end", "s-end", "s_end",
+                    segment.SourceStartArcLength + segment.LengthMeters) }),
+            Chart("st", "时空轨迹", "t (s)", "PathS (m)", Points(trajectory, p => p.PathS), "",
+                new[] { new VisualizationChartAnnotation("st-s-end", "s-end", "s_end", terminalTime) }),
             WithSymmetricLimit("curvature-s", "曲率-距离", "s (m)", "κ (m⁻¹)",
-                PointsBySegmentS(trajectory), configuration.Longitudinal.MaximumCurvatureRatePerMeterPerSecond),
+                PointsBySegmentS(trajectory), curvatureLimit),
             WithSymmetricLimit("curvature-t", "曲率-时间", "t (s)", "κ (m⁻¹)",
-                Points(trajectory, p => p.VehicleCurvature), configuration.Longitudinal.MaximumCurvatureRatePerMeterPerSecond),
+                Points(trajectory, p => p.VehicleCurvature), curvatureLimit),
             Velocity(trajectory, configuration),
             Acceleration(trajectory, configuration),
             Jerk(trajectory, configuration),
-            Chart("yaw-rate-t", "横摆角速度", "t (s)", "yaw rate (rad/s)",
+            Chart("yaw-rate-t", "横摆角速度", "t (s)", "ω (rad/s)",
                 Points(trajectory, p => p.YawRate), "生效配置没有独立横摆角速度上限"),
         };
     }
@@ -98,10 +104,12 @@ public sealed class TrajectoryObservationKinematicChartBuilder
     }
 
     private static VisualizationChart Chart(string id, string title, string xAxis, string yAxis,
-        IReadOnlyList<VisualizationPoint> points, string note)
+        IReadOnlyList<VisualizationPoint> points, string note,
+        IReadOnlyList<VisualizationChartAnnotation> annotations = null)
     {
         return new VisualizationChart(id, title, xAxis, yAxis,
-            new[] { new VisualizationSeries(id + "-current", "当前轨迹", VisualizationLineStyle.Solid, points) }, note);
+            new[] { new VisualizationSeries(id + "-current", "当前轨迹", VisualizationLineStyle.Solid, points) },
+            note, annotations ?? Array.Empty<VisualizationChartAnnotation>());
     }
 
     private static IReadOnlyList<VisualizationPoint> Points(EmTrajectory trajectory, Func<EmTrajectoryPoint, double> y)
@@ -120,6 +128,21 @@ public sealed class TrajectoryObservationKinematicChartBuilder
         return points;
     }
 
+    private static double CurvatureLimit(VehicleParameters vehicle)
+    {
+        if (vehicle.MaximumCurvaturePerMeter.HasValue)
+        {
+            return Math.Abs(vehicle.MaximumCurvaturePerMeter.Value);
+        }
+
+        if (vehicle.MinimumTurningRadiusMeters.HasValue && vehicle.MinimumTurningRadiusMeters.Value > 0d)
+        {
+            return 1d / vehicle.MinimumTurningRadiusMeters.Value;
+        }
+
+        throw new ArgumentException("Vehicle curvature limit is required.", nameof(vehicle));
+    }
+
     private static LsBuildResult BuildLs(EmTrajectory trajectory, DirectionSegmentView segment,
         double maximumProjectionDistanceMeters)
     {

ClumsyPilot/ParkrobTrajplanner/tarjplanner_movementtest/TrajectoryObservationStaticSnapshotBuilder.cs

@@ -57,11 +57,20 @@ public sealed class TrajectoryObservationStaticSnapshotBuilder
     {
         var markers = new List<VisualizationMarker>();
         foreach (DirectionSegmentView segment in bootstrap.Segments)
+        {
             if (segment.EndBoundary.BoundaryType == EmBoundaryType.GearSwitchApproach)
             {
                 var point = segment.Points[segment.Points.Count - 1];
-                markers.Add(new VisualizationMarker("gear-switch-" + segment.SegmentIndex, "gear-switch",
-                    "换向 " + (segment.SegmentIndex + 1), new VisualizationPoint(point.X, point.Y)));
+                markers.Add(new VisualizationMarker("gear-switch-end-" + segment.SegmentIndex, "gear-switch-end",
+                    "换向点 " + (segment.SegmentIndex + 1) + " / s_end",
+                    new VisualizationPoint(point.X, point.Y)));
+            }
+            else if (segment.EndBoundary.BoundaryType == EmBoundaryType.Goal)
+            {
+                var point = segment.Points[segment.Points.Count - 1];
+                markers.Add(new VisualizationMarker("final-goal-" + segment.SegmentIndex, "final-goal",
+                    "终点 / s_end", new VisualizationPoint(point.X, point.Y)));
+            }
         }
         return markers;
     }

ClumsyPilot/TrajectoryPlanningVisualization/Contracts/VisualizationCharts.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 
 namespace TrajectoryPlanningVisualization;
@@ -26,10 +27,39 @@ public sealed class VisualizationSeries
     public IReadOnlyList<VisualizationPoint> Points { get; }
 }
 
+public sealed class VisualizationChartAnnotation
+{
+    public VisualizationChartAnnotation(string id, string kind, string labelChinese,
+        double x, double? y = null)
+    {
+        Id = VisualizationContract.RequireText(id, nameof(id));
+        Kind = VisualizationContract.RequireText(kind, nameof(kind));
+        LabelChinese = VisualizationContract.RequireText(labelChinese, nameof(labelChinese));
+        VisualizationContract.RequireFinite(x, nameof(x));
+        VisualizationContract.RequireFinite(y, nameof(y));
+        X = x;
+        Y = y;
+    }
+
+    public string Id { get; }
+    public string Kind { get; }
+    public string LabelChinese { get; }
+    public double X { get; }
+    public double? Y { get; }
+}
+
 public sealed class VisualizationChart
 {
     public VisualizationChart(string id, string chineseTitle, string xAxisLabel, string yAxisLabel,
         IReadOnlyList<VisualizationSeries> series, string noteChinese = "")
+        : this(id, chineseTitle, xAxisLabel, yAxisLabel, series, noteChinese,
+            Array.Empty<VisualizationChartAnnotation>())
+    {
+    }
+
+    public VisualizationChart(string id, string chineseTitle, string xAxisLabel, string yAxisLabel,
+        IReadOnlyList<VisualizationSeries> series, string noteChinese,
+        IReadOnlyList<VisualizationChartAnnotation> annotations)
     {
         Id = VisualizationContract.RequireText(id, nameof(id));
         ChineseTitle = VisualizationContract.RequireText(chineseTitle, nameof(chineseTitle));
@@ -37,6 +67,7 @@ public sealed class VisualizationChart
         YAxisLabel = VisualizationContract.RequireText(yAxisLabel, nameof(yAxisLabel));
         Series = VisualizationContract.Copy(series, nameof(series));
         NoteChinese = VisualizationContract.RequireText(noteChinese, nameof(noteChinese));
+        Annotations = VisualizationContract.Copy(annotations, nameof(annotations));
     }
 
     public string Id { get; }
@@ -45,4 +76,5 @@ public sealed class VisualizationChart
     public string YAxisLabel { get; }
     public IReadOnlyList<VisualizationSeries> Series { get; }
     public string NoteChinese { get; }
+    public IReadOnlyList<VisualizationChartAnnotation> Annotations { get; }
 }

ClumsyPilot/tests/EMPlannerVerificationHost/TrajectoryObservationVisualizationChecks.cs

@@ -21,6 +21,7 @@ internal static class TrajectoryObservationVisualizationChecks
         VerifiesKinematicChartsKeepKnotAndIntervalSemantics();
         VerifiesHandoffUsesSharedReferenceSAndSurvivesProjectionFailure();
         VerifiesDynamicSnapshotContainsObservationEvidenceWithoutCyclePoints();
+        VerifiesFullModeSnapshotPublishesSingleCurrentTrajectoryAndBoundaryMarkers();
         VerifiesWebPublisherFusesFaultWithoutStoppingObserverTicks();
         VerifiesWebPublisherGatesAtConfiguredCadenceAndSkipsDisabledOutput();
     }
@@ -94,6 +95,17 @@ internal static class TrajectoryObservationVisualizationChecks
                     break;
                 }
         Verification.True(verifiedOccupiedCell, "static fixture has an occupied cell");
+
+        EmPlannerConfiguration defaults = EmPlannerConfiguration.CreateDefault();
+        TrajectoryObservationBootstrapResult gearBootstrap = TrajectoryObservationBootstrapResult.Success(
+            bootstrap.Job, bootstrap.CoarseResult, bootstrap.SmoothedPath,
+            new[] { CreateGearSwitchSegment(0, 0d) });
+        PlanningVisualizationStaticSnapshot gearStatic = new TrajectoryObservationStaticSnapshotBuilder()
+            .Build(gearBootstrap, defaults, settings.CreateValidatedSnapshot(), 0L);
+        Verification.True(gearStatic.StaticMarkers.Any(x => x.Kind == "gear-switch-end"),
+            "static snapshot marks gear-switch s_end");
+        Verification.True(snapshot.StaticMarkers.Any(x => x.Kind == "final-goal"),
+            "static snapshot marks final goal s_end");
     }
 
     private static void VerifiesKinematicChartsKeepKnotAndIntervalSemantics()
@@ -103,8 +115,16 @@ internal static class TrajectoryObservationVisualizationChecks
         EmTrajectory trajectory = CreateTrajectory("rolling", DateTimeOffset.UnixEpoch, 21,
             EmTerminalType.Goal, EmLongitudinalMode.RollingContinuation, TravelDirection.Forward);
 
+        var vehicle = new VehicleParameters
+        {
+            LengthMeters = 0.8d,
+            WidthMeters = 0.6d,
+            SafetyMarginMeters = 0.05d,
+            MaximumCurvaturePerMeter = 0.4d,
+            MinimumTurningRadiusMeters = 2.5d,
+        };
         IReadOnlyList<VisualizationChart> charts = new TrajectoryObservationKinematicChartBuilder()
-            .Build(trajectory, segment, configuration);
+            .Build(trajectory, segment, vehicle, configuration);
 
         Verification.Equal(8, charts.Count, "all eight kinematic charts exported");
         Verification.Equal(20, FindChart(charts, "jerk-t").Series[0].Points.Count, "jerk has N-1 intervals");
@@ -118,9 +138,49 @@ internal static class TrajectoryObservationVisualizationChecks
                 id + " has an effective limit line");
         Verification.True(!FindChart(charts, "yaw-rate-t").Series.Any(x => x.LineStyle == VisualizationLineStyle.Limit),
             "yaw rate has no invented limit");
+        configuration.Longitudinal.MaximumCurvatureRatePerMeterPerSecond = 1.25d;
+        charts = new TrajectoryObservationKinematicChartBuilder().Build(trajectory, segment, vehicle, configuration);
+        Verification.Equal("ω (rad/s)", FindChart(charts, "yaw-rate-t").YAxisLabel,
+            "yaw-rate axis uses omega unit");
+        Verification.NearlyEqual(0.4d, FindChart(charts, "curvature-s")
+            .Series.Single(x => x.Id == "curvature-s-positive-limit").Points[0].Y,
+            "curvature hard limit uses vehicle curvature");
+        Verification.True(FindChart(charts, "curvature-s").Series[0].Points.Any(p => Math.Abs(p.Y) > 1e-6),
+            "curvature-distance uses vehicle curvature data");
+        PropertyInfo? annotationsProperty = typeof(VisualizationChart).GetProperty("Annotations");
+        Verification.True(annotationsProperty != null, "chart exposes annotation collection");
+        if (annotationsProperty != null)
+        {
+            object annotationList = annotationsProperty!.GetValue(FindChart(charts, "st"))!;
+            Verification.True(annotationList is System.Collections.IEnumerable,
+                "ST annotations are enumerable");
+            var annotations = new List<object>();
+            foreach (object annotation in (System.Collections.IEnumerable)annotationList!)
+            {
+                annotations.Add(annotation);
+            }
+            Verification.True(annotations.Count > 0, "ST chart marks s_end");
+            Verification.True(annotations.Any(annotation =>
+                (string)annotation.GetType().GetProperty("Kind")!.GetValue(annotation)! == "s-end"),
+                "ST s_end annotation kind is explicit");
+            object lsAnnotationList = annotationsProperty!.GetValue(FindChart(charts, "ls"))!;
+            var lsAnnotations = new List<object>();
+            foreach (object annotation in (System.Collections.IEnumerable)lsAnnotationList!)
+            {
+                lsAnnotations.Add(annotation);
+            }
+            Verification.True(lsAnnotations.Count > 0, "LS chart marks s_end");
+            Verification.True(lsAnnotations.Any(annotation =>
+                (string)annotation.GetType().GetProperty("Kind")!.GetValue(annotation)! == "s-end"),
+                "LS s_end annotation kind is explicit");
+        }
+        Verification.True(typeof(TrajectoryObservationDynamicSnapshotBuilder).GetMethods().Any(method =>
+                method.Name == "Build" &&
+                method.GetParameters().Any(parameter => parameter.ParameterType == typeof(VehicleParameters))),
+            "dynamic builder accepts vehicle parameters");
         EmTrajectory unprojectable = CreateTrajectory("unprojectable", DateTimeOffset.UnixEpoch, 21,
             EmTerminalType.Goal, EmLongitudinalMode.RollingContinuation, TravelDirection.Forward, 100d);
-        Verification.True(FindChart(new TrajectoryObservationKinematicChartBuilder().Build(unprojectable, segment, configuration), "ls")
+        Verification.True(FindChart(new TrajectoryObservationKinematicChartBuilder().Build(unprojectable, segment, vehicle, configuration), "ls")
             .NoteChinese.Contains("投影失败=21"), "LS chart reports every failed full-segment projection");
     }
 
@@ -166,12 +226,15 @@ internal static class TrajectoryObservationVisualizationChecks
             EmLongitudinalMode.RollingContinuation, TravelDirection.Forward);
 
         PlanningVisualizationDynamicSnapshot snapshot = new TrajectoryObservationDynamicSnapshotBuilder()
-            .Build(5L, tick, controller.ActiveSegment, previous, configuration);
+            .Build(5L, tick, controller.ActiveSegment, previous, bootstrap.Vehicle, configuration);
 
         Verification.True(snapshot.DynamicPolylines.Any(x => x.Id == "current"), "dynamic snapshot contains current trajectory");
         Verification.True(snapshot.DynamicPolylines.Any(x => x.Id == "previous"), "dynamic snapshot contains previous trajectory");
         Verification.True(snapshot.DynamicPolylines.Any(x => x.Id == "active-segment"), "dynamic snapshot contains active segment highlight");
-        Verification.True(snapshot.DynamicPolylines.Any(x => x.Id == "current-horizon"), "dynamic snapshot contains projected horizon");
+        Verification.Equal(1, snapshot.DynamicPolylines.Count(x => x.Id == "current"),
+            "same current trajectory is published once");
+        Verification.True(!snapshot.DynamicPolylines.Any(x => x.Id == "current-horizon"),
+            "identical current trajectory is not duplicated as current horizon");
         foreach (string rawName in new[] { "ActiveSegmentIndex", "ActiveDirection", "PlanningStatus", "LongitudinalMode",
             "TerminalType", "PlanningElapsedMilliseconds", "TrajectoryAgeSeconds", "LsProjectionFailures",
             "RollingTerminalConstraint", "TerminalVelocity", "TerminalAcceleration", "DeltaPositionMeters",
@@ -197,7 +260,8 @@ internal static class TrajectoryObservationVisualizationChecks
         TrajectoryObservationLoopTick exactTick = new TrajectoryObservationLoop(exactController)
             .Tick(now.AddSeconds(settings.ObserverPeriodSeconds), state, CancellationToken.None);
         PlanningVisualizationDynamicSnapshot exactSnapshot = new TrajectoryObservationDynamicSnapshotBuilder().Build(6L,
-            exactTick, exactController.ActiveSegment, null, ReadEffectiveConfiguration(exactController));
+            exactTick, exactController.ActiveSegment, null, bootstrap.Vehicle,
+            ReadEffectiveConfiguration(exactController));
         Verification.True(exactSnapshot.StatusValues.Single(x => x.RawName == "RollingTerminalConstraint").Value.Contains("精确停车锚点"),
             "exact-stop status describes the true stop anchor");
         Verification.NearlyEqual(exactStop.Points[exactStop.Points.Count - 1].SignedLongitudinalVelocity,
@@ -213,11 +277,50 @@ internal static class TrajectoryObservationVisualizationChecks
         TrajectoryObservationLoopTick offSegmentTick = new TrajectoryObservationLoop(offSegmentController)
             .Tick(now.AddSeconds(settings.ObserverPeriodSeconds), state, CancellationToken.None);
         PlanningVisualizationDynamicSnapshot recovered = new TrajectoryObservationDynamicSnapshotBuilder().Build(7L,
-            offSegmentTick, offSegmentController.ActiveSegment, null, ReadEffectiveConfiguration(offSegmentController));
+            offSegmentTick, offSegmentController.ActiveSegment, null, bootstrap.Vehicle,
+            ReadEffectiveConfiguration(offSegmentController));
         Verification.Equal("21", recovered.StatusValues.Single(x => x.RawName == "LsProjectionFailures").Value,
             "projection failure is reported while dynamic snapshot construction remains available");
     }
 
+    private static void VerifiesFullModeSnapshotPublishesSingleCurrentTrajectoryAndBoundaryMarkers()
+    {
+        var settings = new TrajectoryObservationSettings();
+        TrajectoryObservationBootstrapResult goalBootstrap = Bootstrap(settings);
+        TrajectoryObservationBootstrapResult gearBootstrap = TrajectoryObservationBootstrapResult.Success(
+            goalBootstrap.Job, goalBootstrap.CoarseResult, goalBootstrap.SmoothedPath,
+            new[] { CreateGearSwitchSegment(0, 0d) });
+        EmPlannerConfiguration configuration = EmPlannerConfiguration.CreateDefault();
+
+        PlanningVisualizationDynamicSnapshot gearSnapshot = BuildDynamicSnapshot(gearBootstrap, settings, configuration,
+            CreateTrajectory("full-gear", DateTimeOffset.UnixEpoch.AddSeconds(1d), 21, EmTerminalType.GearSwitch,
+                EmLongitudinalMode.ExactStopAtBoundary, TravelDirection.Forward, 0d, 0d,
+                EmPlanningScope.FullDirectionSegment));
+        Verification.Equal(1, gearSnapshot.DynamicPolylines.Count(x => x.Kind == "current"),
+            "full mode publishes one current trajectory");
+        Verification.True(!gearSnapshot.DynamicPolylines.Any(x => x.Id == "current-horizon"),
+            "full mode does not duplicate current horizon");
+        Verification.True(gearSnapshot.DynamicMarkers.Any(x => x.Kind == "vehicle"),
+            "dynamic snapshot marks the vehicle");
+        Verification.True(gearSnapshot.DynamicMarkers.Any(x => x.Kind == "plan-start"),
+            "dynamic snapshot marks the plan start");
+        VisualizationMarker gearEnd = gearSnapshot.DynamicMarkers.Single(x => x.Kind == "gear-switch-end");
+        Verification.True(gearEnd.LabelChinese.Contains("换向点") && gearEnd.LabelChinese.Contains("s_end"),
+            "gear switch boundary uses the explicit s_end label");
+
+        PlanningVisualizationDynamicSnapshot goalSnapshot = BuildDynamicSnapshot(goalBootstrap, settings, configuration,
+            CreateTrajectory("full-goal", DateTimeOffset.UnixEpoch.AddSeconds(2d), 21, EmTerminalType.Goal,
+                EmLongitudinalMode.ExactStopAtBoundary, TravelDirection.Forward, 0d, 0d,
+                EmPlanningScope.FullDirectionSegment));
+        Verification.Equal(1, goalSnapshot.DynamicPolylines.Count(x => x.Kind == "current"),
+            "goal full mode publishes one current trajectory");
+        Verification.True(!goalSnapshot.DynamicPolylines.Any(x => x.Id == "current-horizon"),
+            "goal full mode does not duplicate current horizon");
+        VisualizationMarker finalGoal = goalSnapshot.DynamicMarkers.Single(x => x.Kind == "final-goal");
+        Verification.True(finalGoal.LabelChinese.Contains("终点") && finalGoal.LabelChinese.Contains("s_end"),
+            "final goal boundary uses the explicit s_end label");
+    }
+
     private static void VerifiesWebPublisherFusesFaultWithoutStoppingObserverTicks()
     {
         var settings = new TrajectoryObservationSettings { EnableWebVisualization = true };
@@ -444,6 +547,22 @@ internal static class TrajectoryObservationVisualizationChecks
         return charts.Single(x => x.Id == id);
     }
 
+    private static PlanningVisualizationDynamicSnapshot BuildDynamicSnapshot(
+        TrajectoryObservationBootstrapResult bootstrap, TrajectoryObservationSettings settings,
+        EmPlannerConfiguration configuration, EmTrajectory trajectory)
+    {
+        DateTimeOffset now = DateTimeOffset.UnixEpoch.AddMinutes(1);
+        var controller = new TrajectoryObservationController(bootstrap, settings,
+            new FixedPlanningService(trajectory), "snapshot-" + trajectory.Metadata.TrajectoryId);
+        var loop = new TrajectoryObservationLoop(controller);
+        var state = new VehicleMotionState(new Pose2D(0d, 0d, 0d), 0.1d, null, now, 1L);
+        controller.StartCycle(now, state, CancellationToken.None).GetAwaiter().GetResult();
+        TrajectoryObservationLoopTick tick = loop.Tick(now.AddSeconds(settings.ObserverPeriodSeconds),
+            state, CancellationToken.None);
+        return new TrajectoryObservationDynamicSnapshotBuilder().Build(
+            1L, tick, controller.ActiveSegment, null, bootstrap.Vehicle, configuration);
+    }
+
     private static DirectionSegmentView CreateStraightSegment(int index, double sourceStart)
     {
         var points = new List<MultiWheelC.TrajectoryPlanning.PathSmoothing.SmoothedPathPoint>
@@ -458,8 +577,23 @@ internal static class TrajectoryObservationVisualizationChecks
             new ReferenceBoundary(index, 10d, EmBoundaryType.Goal, sourceStart + 10d), sourceStart);
     }
 
+    private static DirectionSegmentView CreateGearSwitchSegment(int index, double sourceStart)
+    {
+        var points = new List<MultiWheelC.TrajectoryPlanning.PathSmoothing.SmoothedPathPoint>
+        {
+            new MultiWheelC.TrajectoryPlanning.PathSmoothing.SmoothedPathPoint(0d, 0d, 0d, 0d, 0d,
+                TravelDirection.Forward, 0d, 0d, 1d, false, MultiWheelC.TrajectoryPlanning.PathSmoothing.SmoothedPathPointSource.Anchor),
+            new MultiWheelC.TrajectoryPlanning.PathSmoothing.SmoothedPathPoint(10d, 0d, 0d, 0d, 10d,
+                TravelDirection.Forward, 0d, 0d, 1d, false, MultiWheelC.TrajectoryPlanning.PathSmoothing.SmoothedPathPointSource.Anchor),
+        };
+        return new DirectionSegmentView(index, TravelDirection.Forward, points,
+            new ReferenceBoundary(index, 0d, EmBoundaryType.None, sourceStart),
+            new ReferenceBoundary(index, 10d, EmBoundaryType.GearSwitchApproach, sourceStart + 10d), sourceStart);
+    }
+
     private static EmTrajectory CreateTrajectory(string id, DateTimeOffset effectiveAt, int count, EmTerminalType terminal,
-        EmLongitudinalMode mode, TravelDirection direction, double startX = 0d, double startPathS = 1000d)
+        EmLongitudinalMode mode, TravelDirection direction, double startX = 0d, double startPathS = 1000d,
+        EmPlanningScope planningScope = EmPlanningScope.RollingHorizon)
     {
         var points = new List<EmTrajectoryPoint>();
         for (int index = 0; index < count; index++)
@@ -470,7 +604,7 @@ internal static class TrajectoryObservationVisualizationChecks
                 0.2d + t, 0.3d + t));
         }
         return new EmTrajectory(new EmTrajectoryMetadata(id, effectiveAt, effectiveAt, 1L, "visualization-reference", 1L,
-            string.Empty, 0, direction, terminal, mode, EmPlanningScope.RollingHorizon), points);
+            string.Empty, 0, direction, terminal, mode, planningScope), points);
     }
 
     private sealed class FixedPlanningService : IEmPlanningService

ClumsyPilot/tests/TrajectoryPlanningVisualizationVerificationHost/ContractChecks.cs

@@ -13,6 +13,7 @@ internal static class ContractChecks
         CopiesCollectionsAndRejectsNonFiniteNumbers();
         StoresOccupancyAsDefensiveCompactBits();
         ExposesImmutableSnapshotContracts();
+        ExposesChartAnnotationContract();
         DocumentsPublicSafetyAndLifecycleBoundary();
     }
 
@@ -87,6 +88,36 @@ internal static class ContractChecks
         }
     }
 
+    private static void ExposesChartAnnotationContract()
+    {
+        Type chartType = typeof(VisualizationChart);
+        PropertyInfo annotationsProperty = chartType.GetProperty("Annotations");
+        Verification.True(annotationsProperty != null, "chart exposes immutable annotations");
+        Type annotationType = chartType.Assembly.GetType("TrajectoryPlanningVisualization.VisualizationChartAnnotation");
+        Verification.True(annotationType != null, "chart annotation contract type exists");
+
+        var chart = new VisualizationChart("annotation-legacy", "标题", "x (m)", "y (m)",
+            new[]
+            {
+                new VisualizationSeries("s", "轨迹", VisualizationLineStyle.Solid,
+                    new[] { new VisualizationPoint(0d, 0d) })
+            });
+        if (annotationsProperty == null)
+        {
+            return;
+        }
+
+        object value = annotationsProperty.GetValue(chart);
+        Verification.True(value is System.Collections.IEnumerable, "chart annotations are enumerable");
+        int count = 0;
+        foreach (object annotation in (System.Collections.IEnumerable)value)
+        {
+            count++;
+        }
+        Verification.Equal(0, count, "legacy chart constructor keeps annotations empty");
+        AssertNoSetters(chartType);
+    }
+
     private static void DocumentsPublicSafetyAndLifecycleBoundary()
     {
         string readmePath = Path.GetFullPath(Path.Combine(AppContext.BaseDirectory,

ClumsyPilot/tests/TrajectoryPlanningVisualizationVerificationHost/SampleSnapshotFactory.cs

@@ -20,7 +20,12 @@ internal static class SampleSnapshotFactory
                 new VisualizationPolyline("global", "全局参考路径", "global", VisualizationLineStyle.Solid,
                     Points((0d, 1d), (3d, 1d), (6d, 2d), (8d, 4d), (11d, 6d)))
             },
-            new[] { new VisualizationMarker("gear-1", "gear-switch", "换向 1", new VisualizationPoint(6d, 2d)) },
+            new[]
+            {
+                new VisualizationMarker("gear-1", "gear-switch", "换向 1", new VisualizationPoint(6d, 2d)),
+                new VisualizationMarker("gear-1-end", "gear-switch-end", "换向点 1 / s_end", new VisualizationPoint(6d, 2d)),
+                new VisualizationMarker("final-goal", "final-goal", "终点 / s_end", new VisualizationPoint(11d, 6d))
+            },
             new[]
             {
                 new VisualizationDirectionSegment(0, "forward", false, true, Points((0d, 1d), (3d, 1d), (6d, 2d))),
@@ -55,7 +60,12 @@ internal static class SampleSnapshotFactory
                 new VisualizationPolyline("previous", "上一轮轨迹", "previous", VisualizationLineStyle.Dashed, Points((1d, 1d), (2.5d, 1d), (4d, 1.3d))),
                 new VisualizationPolyline("current", "当前轨迹", "current", VisualizationLineStyle.Solid, Points((2d + offset, 1d), (3.8d + offset, 1.2d), (5.8d + offset, 1.9d)))
             },
-            new[] { new VisualizationMarker("handoff", "handoff", "交接", new VisualizationPoint(2d + offset, 1d)) },
+            new[]
+            {
+                new VisualizationMarker("vehicle", "vehicle", "车辆", new VisualizationPoint(2d + offset, 1d)),
+                new VisualizationMarker("plan-start", "plan-start", "计划起点", new VisualizationPoint(2d + offset, 1d)),
+                new VisualizationMarker("gear-switch-end", "gear-switch-end", "换向点 1 / s_end", new VisualizationPoint(6d, 2d))
+            },
             CreateCharts(offset),
             new[]
             {
@@ -70,21 +80,26 @@ internal static class SampleSnapshotFactory
     {
         return new[]
         {
-            Chart("ls", "横向偏移", "ReferenceS (m)", "l (m)", Points((0d, .05d), (2d, .08d), (4d, .02d))),
-            Chart("st", "时空轨迹", "t (s)", "PathS (m)", Points((0d, 0d), (1d, 1.2d), (2d, 3.0d))),
+            Chart("ls", "横向偏移", "ReferenceS (m)", "l (m)", Points((0d, .05d), (2d, .08d), (4d, .02d)),
+                new[] { new VisualizationChartAnnotation("ls-s-end", "s-end", "s_end", 4d) }),
+            Chart("st", "时空轨迹", "t (s)", "PathS (m)", Points((0d, 0d), (1d, 1.2d), (2d, 3.0d)),
+                new[] { new VisualizationChartAnnotation("st-s-end", "s-end", "s_end", 2d) }),
             Chart("curvature-s", "曲率—距离", "s (m)", "κ (m⁻¹)", Points((0d, .01d), (2d, .04d), (4d, .02d))),
             Chart("curvature-t", "曲率—时间", "t (s)", "κ (m⁻¹)", Points((0d, .01d), (1d, .04d), (2d, .02d))),
             Chart("velocity-t", "速度", "t (s)", "v (m/s)", Points((0d, 0d), (1d, 1d), (2d, 1.2d + offset))),
             Chart("acceleration-t", "加速度", "t (s)", "a (m/s²)", Points((0d, .8d), (1d, .2d), (2d, 0d))),
             Chart("jerk-t", "加加速度", "t (s)", "j (m/s³)", Points((0d, -.6d), (1d, -.2d))),
-            Chart("yaw-rate-t", "横摆角速度", "t (s)", "yaw rate (rad/s)", Points((0d, 0d), (1d, .08d), (2d, .04d)))
+            Chart("yaw-rate-t", "横摆角速度", "t (s)", "ω (rad/s)", Points((0d, 0d), (1d, .08d), (2d, .04d)))
         };
     }
 
-    private static VisualizationChart Chart(string id, string title, string xAxis, string yAxis, IReadOnlyList<VisualizationPoint> points)
+    private static VisualizationChart Chart(string id, string title, string xAxis, string yAxis,
+        IReadOnlyList<VisualizationPoint> points,
+        IReadOnlyList<VisualizationChartAnnotation> annotations = null)
     {
         return new VisualizationChart(id, title, xAxis, yAxis,
-            new[] { new VisualizationSeries(id + "-current", "当前轨迹", VisualizationLineStyle.Solid, points) });
+            new[] { new VisualizationSeries(id + "-current", "当前轨迹", VisualizationLineStyle.Solid, points) },
+            "", annotations ?? Array.Empty<VisualizationChartAnnotation>());
     }
 
     private static IReadOnlyList<VisualizationPoint> Points(params (double x, double y)[] values)