feat: qualify K1 local surface over time

tests/test_lidar_local_surface.py

@@ -164,10 +164,21 @@ def test_k1_local_surface_is_dynamic_source_bound_and_read_only(
         assert model.report["surface_model"]["hardcoded_height_m"] is None
         assert model.report["occupancy_policy"]["absence_of_points_means_free"] is False
         assert model.report["metrics"]["frames"]["valid"] >= 5
+        temporal = model.report["metrics"]["temporal_qualification"]
+        assert temporal["prediction"]["current_frame_excluded"] is True
+        assert temporal["prediction"]["sample_count"] >= 4
+        assert temporal["prediction"]["residual_p95_m"]["p95"] < 0.05
+        assert temporal["stability"]["sample_count"] >= 4
+        assert temporal["step_candidates"]["is_ground_truth"] is False
+        assert temporal["step_candidates"]["frames_with_candidates"] > 0
         assert detail["valid"] is True
         assert 1.2 < detail["surface"]["sensor_height_m"] < 1.6
         assert detail["counts"]["surface"] > 50
         assert detail["counts"]["occupied"] > 0
+        assert detail["counts"]["step_candidate"] > 0
+        assert detail["prediction"]["current_frame_excluded"] is True
+        assert detail["prediction"]["available"] is True
+        assert detail["temporal"]["compared"] is True
         assert detail["authority"]["commands_enabled"] is False
         assert "1.27" not in repr({"identity": model.identity, "report": model.report})
         assert str(tmp_path) not in repr(detail)
@@ -187,9 +198,18 @@ def test_k1_local_surface_is_dynamic_source_bound_and_read_only(
         router,
         "/api/v1/lidar/local-surfaces/{model_id}/frames/{frame_index}",
     )
+    timeline_route = _endpoint(
+        router,
+        "/api/v1/lidar/local-surfaces/{model_id}/timeline",
+    )
     catalog = catalog_route(limit=10)  # type: ignore[operator]
     frame = frame_route(model_id=output.name, frame_index=2)  # type: ignore[operator]
+    timeline = timeline_route(model_id=output.name)  # type: ignore[operator]
     assert catalog["valid_total"] == 1
     assert catalog["items"][0]["status"] == "diagnostic-only"
     assert frame["model_id"] == output.name
     assert frame["access"] == "read-only"
+    assert timeline["frame_count"] == 8
+    assert sum(timeline["prediction_available"]) >= 4
+    assert len(timeline["temporal_jump"]) == 8
+    assert str(tmp_path) not in repr(timeline)