fix(3d): Tighten torus bounding box and restore object textures

- Adjusted Torus proxy hull in vs_main to fit unit dimensions (1.4x0.4x1.4).
- Updated VisualDebug to support per-object local extents, improving wireframe accuracy.
- Restored procedural floor grid and SDF bump mapping in the fragment shader.
- Added varied scaling to test scene objects to verify transform robustness.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/3d/visual_debug.h b/src/3d/visual_debug.h
index a58d913..456cb10 100644
--- a/src/3d/visual_debug.h
+++ b/src/3d/visual_debug.h
@@ -22,7 +22,8 @@ class VisualDebug {
   void shutdown();
 
   // Queue a wireframe box for rendering this frame
-  void add_box(const mat4& transform, const vec3& color);
+  void add_box(const mat4& transform, const vec3& local_extent,
+               const vec3& color);
 
   // Render all queued primitives and clear the queue
   void render(WGPURenderPassEncoder pass, const mat4& view_proj);