feat: support glb model assets

docs/technical/architecture.md

@@ -57,7 +57,7 @@ This document describes the code that exists today in the repository.
 ## Map Data
 
 - `public/map.json` is expected to be a `MapNode[]`.
-- Each map node `name` maps to `public/models/{name}/model.gltf`.
+- Each map node `name` maps to `public/models/{name}/model.glb` when available, with `public/models/{name}/model.gltf` kept as fallback.
 - The editor renders a fallback cube for missing models.
 - The game scene filters out nodes whose model cannot be resolved.
 

docs/technical/editor.md

@@ -57,7 +57,7 @@ src/
 
 `src/controls/editor/FlyController.tsx` provides editor movement controls for player-style navigation.
 
-`src/utils/loadMapSceneData.ts` is shared by the game map and editor. It loads `/map.json` and resolves available `public/models/{name}/model.gltf` files.
+`src/utils/loadMapSceneData.ts` is shared by the game map and editor. It loads `/map.json` and resolves available `public/models/{name}/model.glb` files first, then falls back to `public/models/{name}/model.gltf`.
 
 `src/utils/editor/loadEditorScene.ts` contains editor-only upload handling for user-selected folders.
 
@@ -96,10 +96,10 @@ public/
 ├── map.json
 └── models/
     └── pylone/
-        └── model.gltf
+        └── model.glb
 ```
 
-If a model is missing, the editor renders a fallback cube so the node can still be selected and transformed.
+If `model.glb` and `model.gltf` are both missing, the editor renders a fallback cube so the node can still be selected and transformed.
 
 ## Editor Flow
 

docs/user/editor.md

@@ -9,7 +9,7 @@ Use the editor when you need to move, rotate, or scale existing map objects with
 The editor reads the same map data as the runtime scene:
 
 - `public/map.json` contains the object list.
-- `public/models/{name}/model.gltf` contains the matching 3D model for each object name.
+- `public/models/{name}/model.glb` contains the matching 3D model for each object name. `model.gltf` is still supported as a fallback during migration.
 - Missing models are displayed as gray fallback cubes, so incomplete maps remain editable.
 
 ## Map Node Format

docs/user/features.md

@@ -5,7 +5,7 @@ This document lists features that are implemented in the current codebase.
 ## Scene
 
 - Fullscreen React Three Fiber scene
-- Main map scene loaded from `public/map.json` and matching `public/models/{name}/model.gltf` assets
+- Main map scene loaded from `public/map.json` and matching `public/models/{name}/model.glb` or `model.gltf` assets
 - Debug physics test scene selectable from the debug panel
 - Ambient and directional lighting
 - Environment background setup
@@ -43,7 +43,7 @@ This document lists features that are implemented in the current codebase.
 - `/editor` route for inspecting and editing `public/map.json`
 - Automatic loading of `public/map.json` when available
 - Folder upload fallback when `map.json` is missing
-- Rendering of available `public/models/{name}/model.gltf` assets
+- Rendering of available `public/models/{name}/model.glb` or `model.gltf` assets
 - Fallback cubes for nodes whose model is missing
 - Object selection by click
 - Transform modes for translate, rotate, and scale