feat(lab): add bounded local SLAM surface

tests/test_m4_threat_replay_result.py

@@ -133,6 +133,14 @@ def test_m4_6_timeline_is_indexed_and_spatial_evidence_is_chunked() -> None:
     assert timeline["recorded_source"]["representation_id"] == "registered-map-increment-v1"
     assert timeline["point_delivery"] == "exact-current-increment"
     assert timeline["maximum_source_points_per_frame"] == 3092
+    assert timeline["local_surface_visualization"] == {
+        "authority": "visual-derived",
+        "derivation": "bounded-registered-increment-accumulation",
+        "point_limit": 20000,
+        "radius_m": 12.0,
+        "voxel_size_m": 0.1,
+        "window_seconds": 2.0,
+    }
     assert "frames" not in timeline
 
     chunk = get_chunk(RESULT_ID, start=1880, count=12)
@@ -143,6 +151,8 @@ def test_m4_6_timeline_is_indexed_and_spatial_evidence_is_chunked() -> None:
     first = chunk["frames"][0]
     assert first["schema_version"] == "missioncore.recorded-spatial-evidence-frame/v1"
     assert first["spatial_available"] is True
+    assert len(first["body_frame"]["origin_map_xyz_m"]) == 3
+    assert len(first["body_frame"]["basis_map_from_body"]) == 3
     assert first["point_cloud_layer"] == "current-increment"
     assert first["point_cloud_sample_count"] == first["point_cloud_source_count"]
     assert 0 < first["point_cloud_sample_count"] <= 4096