Fix app serving for HuggingFace Spaces

Remove manual uvicorn.run() call and let Spaces handle app serving automatically. This fixes the 404 errors and malformed asset URLs.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

app.py

@@ -264,23 +264,17 @@ async def health_check():
         }
 
 
+# Ensure dataset repo exists on startup
+try:
+    hf_api.create_repo(
+        repo_id=DATASET_REPO,
+        repo_type="dataset",
+        exist_ok=True
+    )
+    print(f"✅ Dataset repository ready: {DATASET_REPO}")
+except Exception as e:
+    print(f"⚠️  Warning: Could not create/verify dataset repo: {str(e)}")
+
 # Mount Gradio app on FastAPI
+# HuggingFace Spaces will automatically serve this app
 app = gr.mount_gradio_app(app, demo, path="/")
-
-
-if __name__ == "__main__":
-    import uvicorn
-
-    # Ensure dataset repo exists
-    try:
-        hf_api.create_repo(
-            repo_id=DATASET_REPO,
-            repo_type="dataset",
-            exist_ok=True
-        )
-        print(f"✅ Dataset repository ready: {DATASET_REPO}")
-    except Exception as e:
-        print(f"⚠️  Warning: Could not create/verify dataset repo: {str(e)}")
-
-    # Launch FastAPI app with uvicorn
-    uvicorn.run(app, host="0.0.0.0", port=7860)