fix(lab): stabilize recorded spatial playback

apps/control-station/src/core/laboratory/m4ReplayThreat.ts

@@ -156,6 +156,10 @@ export interface M4ThreatTimeline {
   nominalRateHz: number;
   maxChunkFrames: number;
   pointSampleLimit: number;
+  maximumSourcePointsPerFrame: number;
+  pointDelivery: "exact-current-increment";
+  sourceRepresentationId: "registered-map-increment-v1";
+  occupiedVoxelSizeM: number;
   rig: M4ThreatVisualFrame["rig"];
   corridor: M4ThreatVisualFrame["corridor"];
 }
@@ -513,6 +517,11 @@ export async function fetchM4ThreatTimeline(
     "M4.6 recorded session",
   );
   exact(recorded.source_id, "RAVNOVES00", "M4.6 recorded source id");
+  exact(
+    recorded.representation_id,
+    "registered-map-increment-v1",
+    "M4.6 recorded representation",
+  );
   exact(
     recorded.synchronization,
     "host-arrival-best-effort",
@@ -546,6 +555,20 @@ export async function fetchM4ThreatTimeline(
     nominalRateHz: number(payload.nominal_rate_hz, "M4.6 timeline rate"),
     maxChunkFrames: integer(payload.max_chunk_frames, "M4.6 max chunk"),
     pointSampleLimit: integer(payload.point_sample_limit, "M4.6 point limit"),
+    maximumSourcePointsPerFrame: integer(
+      payload.maximum_source_points_per_frame,
+      "M4.6 maximum source points",
+    ),
+    pointDelivery: exact(
+      payload.point_delivery,
+      "exact-current-increment",
+      "M4.6 point delivery",
+    ),
+    sourceRepresentationId: "registered-map-increment-v1",
+    occupiedVoxelSizeM: number(
+      corridor.occupied_voxel_size_m,
+      "M4.6 occupied voxel size",
+    ),
     rig: {
       lengthM: number(rig.length_m, "M4.6 rig length"),
       widthM: number(rig.width_m, "M4.6 rig width"),