diff --git a/assets/.index/registry.ron b/assets/.index/registry.ron
index 92e25b4..2400634 100644
--- a/assets/.index/registry.ron
+++ b/assets/.index/registry.ron
@@ -1,4 +1,80 @@
 [
+    (
+        id: ("04a4e00e-4732-43db-8e99-9cd99b94667b"),
+        path: "assets/animations/generated/113f74df-e39c-41d4-9b5b-e48efe541f7f.animation.ron",
+        label: "113f74df-e39c-41d4-9b5b-e48efe541f7f.animation",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("4937e63f-923b-4270-bdfc-298d63bcb814"),
+        path: "assets/animations/generated/3f63f359-45eb-4cb2-8970-71921cbd7bd0.animation.ron",
+        label: "3f63f359-45eb-4cb2-8970-71921cbd7bd0.animation",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("28f1df44-6d24-4722-bf75-6969879995a4"),
+        path: "assets/animations/generated/b98ef565-3500-49e7-9935-f685fa9b2594.animation.ron",
+        label: "b98ef565-3500-49e7-9935-f685fa9b2594.animation",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("fe40db93-181f-4c79-86e6-26bd97464c4b"),
+        path: "assets/audio/Puzzle Lobby.mp3",
+        label: "Puzzle Lobby",
+        kind_tag: "AudioClip",
+        source_fingerprint: Some((
+            byte_len: 1680820,
+            content_hash: "3b5a401dbaccfdbda540c60070ce259fb506d7da548f45008eb2b3fa720b4b57",
+        )),
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
     (
         id: ("c0a7d10e-53c1-4de0-b0dc-34a66f44ba77"),
         path: "assets/audio/editor_audition_tone.ogg",
@@ -22,14 +98,400 @@
         dependencies: [],
     ),
     (
-        id: ("fe40db93-181f-4c79-86e6-26bd97464c4b"),
-        path: "assets/audio/Puzzle Lobby.mp3",
-        label: "Puzzle Lobby",
-        kind_tag: "AudioClip",
+        id: ("9213efe6-12c7-45a8-8b64-9e1699f76ba3"),
+        path: "assets/build_profiles/development.ron",
+        label: "development",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("64fea29e-c123-4987-92dc-ca25f4dc7dea"),
+        path: "assets/build_profiles/qa.ron",
+        label: "qa",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("de76f1c9-f05d-48d3-bb69-6b7ce05f29d8"),
+        path: "assets/build_profiles/release.ron",
+        label: "release",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("f3dfcd11-aa5b-4fd4-872b-06832b865c99"),
+        path: "assets/levels/audio_authoring_showcase.scn.ron",
+        label: "audio_authoring_showcase.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("a7ef65b4-24d6-4c3a-b637-5bb52d8e9a26"),
+        path: "assets/levels/collider_diagnostics_showcase.scn.ron",
+        label: "collider_diagnostics_showcase.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("dc13ce01-c7ce-43c5-974c-0e659ae49ab9"),
+        path: "assets/levels/editor_scene 2.scn.ron",
+        label: "editor_scene 2.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("48bcef13-e6a6-4260-bb1b-c29787bd8c70"),
+        path: "assets/levels/editor_scene 3.scn.ron",
+        label: "editor_scene 3.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("5a2307d0-48e5-40d3-a5c9-527c0cfd30f4"),
+        path: "assets/levels/editor_scene.scn.ron",
+        label: "editor_scene.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("706e604e-1a63-4e97-b35d-eeb1d88fe3a9"),
+        path: "assets/levels/navigation_authoring_showcase.scn.ron",
+        label: "navigation_authoring_showcase.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("78c6850b-5a76-4a4f-b48e-7fb00f6dd1ed"),
+        path: "assets/levels/physics_placement_showcase.scn.ron",
+        label: "physics_placement_showcase.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("61802b85-fda9-4aff-94d9-fe5f0860c516"),
+        path: "assets/levels/rendering_showcase.scn.ron",
+        label: "rendering_showcase.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("bca13177-afa9-4691-9b40-288059c7a57e"),
+        path: "assets/levels/samples/brush_blockout.scn.ron",
+        label: "brush_blockout.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("607864bf-fa77-4f9e-acc9-2c0906d34163"),
+        path: "assets/levels/samples/material_lab.scn.ron",
+        label: "material_lab.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("1b25d451-7b54-41d6-af00-d2e6950f502d"),
+        path: "assets/levels/terrain_authoring_showcase.scn.ron",
+        label: "terrain_authoring_showcase.scn",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("a57f2891-8536-47b8-b476-01c08b36ac43"),
+        path: "assets/materials/concrete.ron",
+        label: "concrete",
+        kind_tag: "Material",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("4f684592-50b1-47e4-888c-8ba537e4c29d"),
+        path: "assets/materials/emissive_panel.ron",
+        label: "emissive_panel",
+        kind_tag: "Material",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("d6cb4151-7124-4237-aaf9-f7f8abd5fb76"),
+        path: "assets/materials/surface_tint.ron",
+        label: "surface_tint",
+        kind_tag: "Material",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("cc2769da-c9a5-4cb3-866a-cc81d0688ee2"),
+        path: "assets/materials/surface_tint_instance.ron",
+        label: "surface_tint_instance",
+        kind_tag: "Material",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("113f74df-e39c-41d4-9b5b-e48efe541f7f"),
+        path: "assets/models/RobotExpressive.glb",
+        label: "RobotExpressive",
+        kind_tag: "Model",
         source_fingerprint: Some((
-            byte_len: 1680820,
-            content_hash: "3b5a401dbaccfdbda540c60070ce259fb506d7da548f45008eb2b3fa720b4b57",
+            byte_len: 463988,
+            content_hash: "5869cb813e6a6093eda7af2824a9c13a582750e0443e88ce7c991a1f83415521",
         )),
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: SceneInstance,
+            hierarchy_mode: SourceHierarchy,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: Some("assets/meshes/generated/113f74df-e39c-41d4-9b5b-e48efe541f7f.static_mesh.ron"),
+            animation_manifest_path: Some("assets/animations/generated/113f74df-e39c-41d4-9b5b-e48efe541f7f.animation.ron"),
+            default_animation_clip_id: Some("animation:clip:8:standing"),
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("b98ef565-3500-49e7-9935-f685fa9b2594"),
+        path: "assets/models/painted_wooden_chair_02_2k.fbx",
+        label: "painted_wooden_chair_02_2k",
+        kind_tag: "Model",
+        source_fingerprint: Some((
+            byte_len: 59964,
+            content_hash: "b12973a62dcb44589e380ea833eade726ae98a86c81084c842ee3801866d6a46",
+        )),
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: Some("assets/meshes/generated/b98ef565-3500-49e7-9935-f685fa9b2594.static_mesh.ron"),
+            animation_manifest_path: Some("assets/animations/generated/b98ef565-3500-49e7-9935-f685fa9b2594.animation.ron"),
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("3f63f359-45eb-4cb2-8970-71921cbd7bd0"),
+        path: "assets/models/robot_expressive.glb",
+        label: "robot_expressive",
+        kind_tag: "Model",
+        source_fingerprint: Some((
+            byte_len: 463988,
+            content_hash: "5869cb813e6a6093eda7af2824a9c13a582750e0443e88ce7c991a1f83415521",
+        )),
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: Some("assets/meshes/generated/3f63f359-45eb-4cb2-8970-71921cbd7bd0.static_mesh.ron"),
+            animation_manifest_path: Some("assets/animations/generated/3f63f359-45eb-4cb2-8970-71921cbd7bd0.animation.ron"),
+            default_animation_clip_id: Some("animation:clip:8:standing"),
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("264e2010-0693-4d74-8440-99373c2cedb3"),
+        path: "assets/navigation/generated/navigation_showcase_humanoid.nav.ron",
+        label: "navigation_showcase_humanoid.nav",
+        kind_tag: "Level",
         import_settings: (
             scale: 1.0,
             generate_collider: true,
@@ -80,14 +542,10 @@
         dependencies: [],
     ),
     (
-        id: ("b98ef565-3500-49e7-9935-f685fa9b2594"),
-        path: "assets/models/painted_wooden_chair_02_2k.fbx",
-        label: "painted_wooden_chair_02_2k",
-        kind_tag: "Model",
-        source_fingerprint: Some((
-            byte_len: 59964,
-            content_hash: "b12973a62dcb44589e380ea833eade726ae98a86c81084c842ee3801866d6a46",
-        )),
+        id: ("862530b2-8111-4ebb-9078-29723c002e08"),
+        path: "assets/prefabs/example_base.scn.ron",
+        label: "example_base.scn",
+        kind_tag: "Prefab",
         import_settings: (
             scale: 1.0,
             generate_collider: true,
@@ -95,43 +553,17 @@
             placement_mode: StaticAsset,
             hierarchy_mode: SingleActor,
             material_policy: SourceMaterials,
-            static_mesh_manifest_path: Some("assets/meshes/generated/b98ef565-3500-49e7-9935-f685fa9b2594.static_mesh.ron"),
-            animation_manifest_path: Some("assets/animations/generated/b98ef565-3500-49e7-9935-f685fa9b2594.animation.ron"),
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
             default_animation_clip_id: None,
         ),
         dependencies: [],
     ),
     (
-        id: ("113f74df-e39c-41d4-9b5b-e48efe541f7f"),
-        path: "assets/models/RobotExpressive.glb",
-        label: "RobotExpressive",
-        kind_tag: "Model",
-        source_fingerprint: Some((
-            byte_len: 463988,
-            content_hash: "5869cb813e6a6093eda7af2824a9c13a582750e0443e88ce7c991a1f83415521",
-        )),
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: SceneInstance,
-            hierarchy_mode: SourceHierarchy,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: Some("assets/meshes/generated/113f74df-e39c-41d4-9b5b-e48efe541f7f.static_mesh.ron"),
-            animation_manifest_path: Some("assets/animations/generated/113f74df-e39c-41d4-9b5b-e48efe541f7f.animation.ron"),
-            default_animation_clip_id: Some("animation:clip:8:standing"),
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("3f63f359-45eb-4cb2-8970-71921cbd7bd0"),
-        path: "assets/models/robot_expressive.glb",
-        label: "robot_expressive",
-        kind_tag: "Model",
-        source_fingerprint: Some((
-            byte_len: 463988,
-            content_hash: "5869cb813e6a6093eda7af2824a9c13a582750e0443e88ce7c991a1f83415521",
-        )),
+        id: ("682191d6-59cd-46a1-9560-6cf7bc1583b2"),
+        path: "assets/prefabs/example_nested.scn.ron",
+        label: "example_nested.scn",
+        kind_tag: "Prefab",
         import_settings: (
             scale: 1.0,
             generate_collider: true,
@@ -139,21 +571,125 @@
             placement_mode: StaticAsset,
             hierarchy_mode: SingleActor,
             material_policy: SourceMaterials,
-            static_mesh_manifest_path: Some("assets/meshes/generated/3f63f359-45eb-4cb2-8970-71921cbd7bd0.static_mesh.ron"),
-            animation_manifest_path: Some("assets/animations/generated/3f63f359-45eb-4cb2-8970-71921cbd7bd0.animation.ron"),
-            default_animation_clip_id: Some("animation:clip:8:standing"),
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
         ),
         dependencies: [],
     ),
     (
-        id: ("c4abe41c-ac88-4aec-8168-27e8a7c90583"),
-        path: "assets/textures/metal_stool_01_nor_gl_2k.jpg",
-        label: "metal_stool_01_nor_gl_2k",
-        kind_tag: "Texture",
-        source_fingerprint: Some((
-            byte_len: 2779150,
-            content_hash: "8c0aa4cf4270c9bf7217fba40b2b48878972ee59cff851cb8dfa57a90f4f373b",
-        )),
+        id: ("c14f6240-5654-4e80-9edb-2b4c44cf8d61"),
+        path: "assets/prefabs/example_variant.scn.ron",
+        label: "example_variant.scn",
+        kind_tag: "Prefab",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("2c4a9866-17b5-4797-9a8f-726b2ffacdb9"),
+        path: "assets/rendering_profiles/cave_dark.ron",
+        label: "cave_dark",
+        kind_tag: "RenderingProfile",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("802471df-8295-4997-80e2-db4191850fc9"),
+        path: "assets/rendering_profiles/outdoor_haze.ron",
+        label: "outdoor_haze",
+        kind_tag: "RenderingProfile",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("e42185de-cda2-4a9e-9df0-df67ccd86123"),
+        path: "assets/samples/editor_samples.ron",
+        label: "editor_samples",
+        kind_tag: "Level",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("addf6f7f-8114-45f3-8566-70d1eaa1fec3"),
+        path: "assets/shaders/standard_lit.shader.ron",
+        label: "standard_lit.shader",
+        kind_tag: "ShaderSchema",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("a72943d6-3e9d-4629-8887-5c02d99d4f92"),
+        path: "assets/shaders/surface_tint.shader.ron",
+        label: "surface_tint.shader",
+        kind_tag: "ShaderSchema",
+        import_settings: (
+            scale: 1.0,
+            generate_collider: true,
+            lod0_only: true,
+            placement_mode: StaticAsset,
+            hierarchy_mode: SingleActor,
+            material_policy: SourceMaterials,
+            static_mesh_manifest_path: None,
+            animation_manifest_path: None,
+            default_animation_clip_id: None,
+        ),
+        dependencies: [],
+    ),
+    (
+        id: ("7b143cfb-a9e9-45d4-8f01-cfaa66fa9811"),
+        path: "assets/shaders/unlit.shader.ron",
+        label: "unlit.shader",
+        kind_tag: "ShaderSchema",
         import_settings: (
             scale: 1.0,
             generate_collider: true,
@@ -212,550 +748,14 @@
         dependencies: [],
     ),
     (
-        id: ("61802b85-fda9-4aff-94d9-fe5f0860c516"),
-        path: "assets/levels/rendering_showcase.scn.ron",
-        label: "rendering_showcase.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("78c6850b-5a76-4a4f-b48e-7fb00f6dd1ed"),
-        path: "assets/levels/physics_placement_showcase.scn.ron",
-        label: "physics_placement_showcase.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("706e604e-1a63-4e97-b35d-eeb1d88fe3a9"),
-        path: "assets/levels/navigation_authoring_showcase.scn.ron",
-        label: "navigation_authoring_showcase.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("48bcef13-e6a6-4260-bb1b-c29787bd8c70"),
-        path: "assets/levels/editor_scene 3.scn.ron",
-        label: "editor_scene 3.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("a7ef65b4-24d6-4c3a-b637-5bb52d8e9a26"),
-        path: "assets/levels/collider_diagnostics_showcase.scn.ron",
-        label: "collider_diagnostics_showcase.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("f3dfcd11-aa5b-4fd4-872b-06832b865c99"),
-        path: "assets/levels/audio_authoring_showcase.scn.ron",
-        label: "audio_authoring_showcase.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("607864bf-fa77-4f9e-acc9-2c0906d34163"),
-        path: "assets/levels/samples/material_lab.scn.ron",
-        label: "material_lab.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("bca13177-afa9-4691-9b40-288059c7a57e"),
-        path: "assets/levels/samples/brush_blockout.scn.ron",
-        label: "brush_blockout.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("5a2307d0-48e5-40d3-a5c9-527c0cfd30f4"),
-        path: "assets/levels/editor_scene.scn.ron",
-        label: "editor_scene.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("1b25d451-7b54-41d6-af00-d2e6950f502d"),
-        path: "assets/levels/terrain_authoring_showcase.scn.ron",
-        label: "terrain_authoring_showcase.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("dc13ce01-c7ce-43c5-974c-0e659ae49ab9"),
-        path: "assets/levels/editor_scene 2.scn.ron",
-        label: "editor_scene 2.scn",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("c14f6240-5654-4e80-9edb-2b4c44cf8d61"),
-        path: "assets/prefabs/example_variant.scn.ron",
-        label: "example_variant.scn",
-        kind_tag: "Prefab",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("682191d6-59cd-46a1-9560-6cf7bc1583b2"),
-        path: "assets/prefabs/example_nested.scn.ron",
-        label: "example_nested.scn",
-        kind_tag: "Prefab",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("862530b2-8111-4ebb-9078-29723c002e08"),
-        path: "assets/prefabs/example_base.scn.ron",
-        label: "example_base.scn",
-        kind_tag: "Prefab",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("e42185de-cda2-4a9e-9df0-df67ccd86123"),
-        path: "assets/samples/editor_samples.ron",
-        label: "editor_samples",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("04a4e00e-4732-43db-8e99-9cd99b94667b"),
-        path: "assets/animations/generated/113f74df-e39c-41d4-9b5b-e48efe541f7f.animation.ron",
-        label: "113f74df-e39c-41d4-9b5b-e48efe541f7f.animation",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("4937e63f-923b-4270-bdfc-298d63bcb814"),
-        path: "assets/animations/generated/3f63f359-45eb-4cb2-8970-71921cbd7bd0.animation.ron",
-        label: "3f63f359-45eb-4cb2-8970-71921cbd7bd0.animation",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("28f1df44-6d24-4722-bf75-6969879995a4"),
-        path: "assets/animations/generated/b98ef565-3500-49e7-9935-f685fa9b2594.animation.ron",
-        label: "b98ef565-3500-49e7-9935-f685fa9b2594.animation",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("802471df-8295-4997-80e2-db4191850fc9"),
-        path: "assets/rendering_profiles/outdoor_haze.ron",
-        label: "outdoor_haze",
-        kind_tag: "RenderingProfile",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("2c4a9866-17b5-4797-9a8f-726b2ffacdb9"),
-        path: "assets/rendering_profiles/cave_dark.ron",
-        label: "cave_dark",
-        kind_tag: "RenderingProfile",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("264e2010-0693-4d74-8440-99373c2cedb3"),
-        path: "assets/navigation/generated/navigation_showcase_humanoid.nav.ron",
-        label: "navigation_showcase_humanoid.nav",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("a57f2891-8536-47b8-b476-01c08b36ac43"),
-        path: "assets/materials/concrete.ron",
-        label: "concrete",
-        kind_tag: "Material",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("cc2769da-c9a5-4cb3-866a-cc81d0688ee2"),
-        path: "assets/materials/surface_tint_instance.ron",
-        label: "surface_tint_instance",
-        kind_tag: "Material",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("4f684592-50b1-47e4-888c-8ba537e4c29d"),
-        path: "assets/materials/emissive_panel.ron",
-        label: "emissive_panel",
-        kind_tag: "Material",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("d6cb4151-7124-4237-aaf9-f7f8abd5fb76"),
-        path: "assets/materials/surface_tint.ron",
-        label: "surface_tint",
-        kind_tag: "Material",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("64fea29e-c123-4987-92dc-ca25f4dc7dea"),
-        path: "assets/build_profiles/qa.ron",
-        label: "qa",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("9213efe6-12c7-45a8-8b64-9e1699f76ba3"),
-        path: "assets/build_profiles/development.ron",
-        label: "development",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("de76f1c9-f05d-48d3-bb69-6b7ce05f29d8"),
-        path: "assets/build_profiles/release.ron",
-        label: "release",
-        kind_tag: "Level",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("7b143cfb-a9e9-45d4-8f01-cfaa66fa9811"),
-        path: "assets/shaders/unlit.shader.ron",
-        label: "unlit.shader",
-        kind_tag: "ShaderSchema",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("addf6f7f-8114-45f3-8566-70d1eaa1fec3"),
-        path: "assets/shaders/standard_lit.shader.ron",
-        label: "standard_lit.shader",
-        kind_tag: "ShaderSchema",
-        import_settings: (
-            scale: 1.0,
-            generate_collider: true,
-            lod0_only: true,
-            placement_mode: StaticAsset,
-            hierarchy_mode: SingleActor,
-            material_policy: SourceMaterials,
-            static_mesh_manifest_path: None,
-            animation_manifest_path: None,
-            default_animation_clip_id: None,
-        ),
-        dependencies: [],
-    ),
-    (
-        id: ("a72943d6-3e9d-4629-8887-5c02d99d4f92"),
-        path: "assets/shaders/surface_tint.shader.ron",
-        label: "surface_tint.shader",
-        kind_tag: "ShaderSchema",
+        id: ("c4abe41c-ac88-4aec-8168-27e8a7c90583"),
+        path: "assets/textures/metal_stool_01_nor_gl_2k.jpg",
+        label: "metal_stool_01_nor_gl_2k",
+        kind_tag: "Texture",
+        source_fingerprint: Some((
+            byte_len: 2779150,
+            content_hash: "8c0aa4cf4270c9bf7217fba40b2b48878972ee59cff851cb8dfa57a90f4f373b",
+        )),
         import_settings: (
             scale: 1.0,
             generate_collider: true,
diff --git a/crates/editor/src/assets/asset_db.rs b/crates/editor/src/assets/asset_db.rs
index d5cea6e..0a34de4 100644
--- a/crates/editor/src/assets/asset_db.rs
+++ b/crates/editor/src/assets/asset_db.rs
@@ -215,6 +215,7 @@ fn sync_registry_from_browser(
         next_records.push(record);
     }
 
+    sort_registry_records(&mut next_records);
     let changed = previous_records != next_records;
     registry.records = next_records;
     if changed {
@@ -234,6 +235,10 @@ fn imported_source_kind(kind_tag: &str) -> bool {
     matches!(kind_tag, "Model" | "Texture" | "AudioClip")
 }
 
+fn sort_registry_records(records: &mut [AssetRecord]) {
+    records.sort_by(|left, right| left.path.cmp(&right.path));
+}
+
 fn take_uniquely_moved_import_record(
     existing: &mut HashMap<String, AssetRecord>,
     current_paths: &HashSet<String>,
@@ -391,6 +396,44 @@ mod tests {
         }
     }
 
+    #[test]
+    fn registry_publication_order_is_stable_across_discovery_orders() {
+        let records = [
+            ("assets/textures/z.png", "Texture"),
+            ("assets/audio/a.ogg", "AudioClip"),
+            ("assets/models/m.glb", "Model"),
+        ]
+        .into_iter()
+        .map(|(path, kind_tag)| AssetRecord {
+            id: AssetId::new(),
+            path: path.into(),
+            label: path.into(),
+            kind_tag: kind_tag.into(),
+            source_fingerprint: None,
+            import_settings: ImportSettings::default(),
+            dependencies: Vec::new(),
+        })
+        .collect::<Vec<_>>();
+        let mut forward = records.clone();
+        let mut reverse = records.into_iter().rev().collect::<Vec<_>>();
+
+        sort_registry_records(&mut forward);
+        sort_registry_records(&mut reverse);
+
+        assert_eq!(forward, reverse);
+        assert_eq!(
+            forward
+                .iter()
+                .map(|record| record.path.as_str())
+                .collect::<Vec<_>>(),
+            [
+                "assets/audio/a.ogg",
+                "assets/models/m.glb",
+                "assets/textures/z.png",
+            ]
+        );
+    }
+
     #[test]
     fn legacy_registry_record_loads_without_forcing_a_new_identity() {
         let source = r#"(
diff --git a/docs/adr/0043-content-addressed-import-fingerprints.md b/docs/adr/0043-content-addressed-import-fingerprints.md
index fc2b506..101ece5 100644
--- a/docs/adr/0043-content-addressed-import-fingerprints.md
+++ b/docs/adr/0043-content-addressed-import-fingerprints.md
@@ -35,7 +35,9 @@ reimported.
 
 Registry and generated-manifest writers parse the existing RON and compare the semantic value before
 publication. Equivalent documents preserve their exact existing bytes, including layout and final
-newlines. Changed documents publish canonical pretty RON.
+newlines. Changed documents publish canonical pretty RON. Registry records are ordered by normalized
+project path before comparison, so filesystem enumeration order cannot change their serialized
+sequence on a fresh checkout.
 
 Authoritative project validation remains read-only. It validates registry, animation, and
 static-mesh fingerprints by length and digest, including same-size source edits. CI runs both