Upload app.py with huggingface_hub

app.py

@@ -5,6 +5,29 @@ Dual-mode inference:
 - Fallback: OpenAI API (user provides their own key)
 """
 
+# ── HfFolder compatibility shim ──────────────────────────────────────────
+# Gradio's oauth.py imports HfFolder from huggingface_hub, but HfFolder was
+# removed in huggingface_hub >= 0.24. This shim must run BEFORE importing
+# Gradio so the import chain doesn't break.
+try:
+    from huggingface_hub import HfFolder  # noqa: F401
+except ImportError:
+    import huggingface_hub
+
+    class _HfFolder:
+        """Minimal shim for the removed HfFolder class."""
+
+        @classmethod
+        def get_token(cls):
+            return huggingface_hub.get_token()
+
+        @classmethod
+        def save_token(cls, token):
+            huggingface_hub.login(token=token)
+
+    huggingface_hub.HfFolder = _HfFolder
+# ──────────────────────────────────────────────────────────────────────────
+
 import json
 import logging
 import os