fix(simulation): align LCC layers in PlayCanvas world

tests/test_simulation_projects.py

@@ -93,6 +93,7 @@ class _ReadyProvider:
         self.deleted: list[str] = []
         self.upload_calls = 0
         self.submit_calls = 0
+        self.submitted_document: dict[str, object] | None = None
 
     def capabilities(self) -> dict[str, object]:
         return {"outputs": ["preview.sog", "streamed-sog"]}
@@ -118,8 +119,9 @@ class _ReadyProvider:
             members=members,
         )
 
-    def submit_build(self, _document: dict[str, object]) -> dict[str, object]:
+    def submit_build(self, document: dict[str, object]) -> dict[str, object]:
         self.submit_calls += 1
+        self.submitted_document = document
         return {
             "schema_version": "gaussian-pipeline.job/v1",
             "job_id": "gsp-20260826000000-deadbeef",
@@ -195,8 +197,28 @@ def test_service_materializes_world_manifest_and_deletes_both_copies(tmp_path: P
     assert ready["status"] == "ready"
     assert ready["world_manifest"]["visual"]["preview_sog_url"].endswith("/preview.sog")
     assert ready["world_manifest"]["collision"]["available"] is False
+    assert ready["world_manifest"]["transforms"]["world_from_visual"] == [
+        1, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1,
+    ]
+    assert ready["world_manifest"]["transforms"]["world_from_collision"] == [
+        1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1,
+    ]
     assert provider.upload_calls == 1
     assert provider.submit_calls == 1
+    assert provider.submitted_document is not None
+    assert provider.submitted_document["outputs"] == {
+        "preview_sog": True,
+        "streamed_sog": True,
+        "collision": True,
+    }
+    assert provider.submitted_document["collision_profile"] == {
+        "scene_type": "interior",
+        "seed_position": [0, 1, 0],
+        "capsule_height": 1.6,
+        "capsule_radius": 0.2,
+        "voxel_size": 0.05,
+        "mesh_shape": "smooth",
+    }
     service.delete(project["project_id"])
     assert provider.deleted == ["gsp-20260826000000-deadbeef"]