fix(viewer): make recorded layers deterministic

tests/test_rrd_export.py

@@ -12,6 +12,7 @@ from pathlib import Path
 import pytest
 
 import k1link.device_plugins.xgrids_k1.rrd_export as export_module
+import k1link.viewer.recorded as viewer_recorded_module
 from k1link.device_plugins.xgrids_k1.mqtt.capture import (
     CAPTURE_CLOCK_FILENAME,
     FRAME_HEADER,
@@ -299,6 +300,39 @@ def test_zero_accumulation_uses_latest_frame_instead_of_empty_time_range() -> No
     assert point_components == {"Points3D:radii"}
 
 
+def test_cuboids_are_overlaid_on_the_stable_spatial_view_without_unifying_video() -> None:
+    baseline = viewer_recorded_blueprint(
+        RerunSceneSettings(accumulation_seconds=12.0),
+        include_initial_playback_state=False,
+        unified_perception=False,
+        show_cuboids_3d=False,
+    )
+    blueprint = viewer_recorded_blueprint(
+        RerunSceneSettings(accumulation_seconds=12.0),
+        include_initial_playback_state=False,
+        unified_perception=False,
+        show_cuboids_3d=True,
+    )
+    spatial_view = blueprint.root_container.contents[0]
+
+    assert spatial_view.id == baseline.root_container.contents[0].id
+    assert spatial_view.visualizer_overrides[
+        "/world/perception"
+    ].visible.as_arrow_array().to_pylist() == [True]
+    assert spatial_view.visualizer_overrides[
+        "/world/perception/lidar"
+    ].visible.as_arrow_array().to_pylist() == [False]
+    assert spatial_view.visualizer_overrides[
+        "/world/perception/support"
+    ].visible.as_arrow_array().to_pylist() == [False]
+    assert spatial_view.visualizer_overrides[
+        "/world/perception/semantic_points"
+    ].visible.as_arrow_array().to_pylist() == [False]
+    assert spatial_view.visualizer_overrides[
+        "/world/perception/boxes3d"
+    ].visible.as_arrow_array().to_pylist() == [True]
+
+
 def test_dynamic_blueprint_reuses_scene_ids_without_playback_mutation() -> None:
     first = _recorded_blueprint(
         RerunSceneSettings(show_points=False, show_trajectory=True),
@@ -416,7 +450,26 @@ def test_viewer_blueprint_reset_is_bounded_and_recreates_render_views() -> None:
     assert perception_behavior.visible.as_arrow_array().to_pylist() == [False]
 
 
-def test_recorded_blueprint_layer_updates_preserve_store_until_explicit_reset() -> None:
+def test_recorded_blueprint_layer_updates_preserve_store_until_explicit_reset(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    activations: list[tuple[object, bool, bool]] = []
+    send_blueprint = viewer_recorded_module.bindings.send_blueprint
+
+    def capture_activation(
+        storage: object,
+        make_active: bool,
+        make_default: bool,
+        recording: object,
+    ) -> None:
+        activations.append((storage, make_active, make_default))
+        send_blueprint(storage, make_active, make_default, recording)
+
+    monkeypatch.setattr(
+        viewer_recorded_module.bindings,
+        "send_blueprint",
+        capture_activation,
+    )
     session_id = "b" * 32
     initial = viewer_recorded_blueprint_rrd(
         RerunSceneSettings(accumulation_seconds=12.0),
@@ -452,6 +505,13 @@ def test_recorded_blueprint_layer_updates_preserve_store_until_explicit_reset()
     assert layer_store_ids == initial_store_ids
     assert len(reset_store_ids) == 1
     assert reset_store_ids.isdisjoint(initial_store_ids)
+    assert [activation[1:] for activation in activations] == [
+        (True, False),
+        (True, False),
+        (True, False),
+    ]
+    assert activations[0][0] is activations[1][0]
+    assert activations[2][0] is not activations[0][0]
     assert len(initial) < 350_000
     assert len(layers_enabled) < 350_000
     assert len(reset) < 350_000