Fix static file serving for Gradio

app.py

@@ -13,9 +13,9 @@ from pathlib import Path
 from backend.main import app as fastapi_app
 
 # Set up static paths for Gradio to serve model files
-# This makes files accessible at /gradio_api/file=<path>
+# Files are accessible at /gradio_api/file=models/<filename>
 MODELS_DIR = Path(__file__).parent / "models"
-gr.set_static_paths(paths=[str(MODELS_DIR)])
+gr.set_static_paths(paths=["models"])  # Relative path from app.py
 
 # Get base URLs from environment
 # Auto-detect HF Spaces environment
@@ -119,9 +119,9 @@ def get_viewer_html(scene_id="welcome"):
 
     # Add the static assets base URL for model loading
     # On local dev: FastAPI serves at /static/models/
-    # On HF Spaces: Gradio serves via set_static_paths at /file/models/
+    # On HF Spaces: Gradio serves via set_static_paths at /gradio_api/file=models/
     if IS_HF_SPACES:
-        scene_data["static_base_url"] = f"/file={MODELS_DIR}/"
+        scene_data["static_base_url"] = "/gradio_api/file=models/"
     else:
         scene_data["static_base_url"] = f"{FASTAPI_INTERNAL}/static/models/"
 

backend/storage.py

@@ -81,7 +81,6 @@ def initialize_default_scene():
     )
 
     # Hugging Face emoji model at center (animated)
-    # model_path is relative - will be resolved by viewer based on environment
     objects = [
         create_game_object(
             object_type="model",