fix: nuclear monkeypatch for Gradio HfFolder ImportError and bump sdk to 5.13.0

README.md

@@ -4,8 +4,9 @@ emoji: 🛍️
 colorFrom: blue
 colorTo: indigo
 sdk: gradio
-sdk_version: 5.6.0
+sdk_version: 5.13.0
 python_version: "3.10"
+hf_transfer: true
 app_file: app.py
 pinned: false
 ---

app.py

@@ -6,6 +6,25 @@ autonomous prompt adaptation, and hybrid RAG retrieval.
 """
 
 import logging
+import sys
+
+# ── HF Hub Compatibility Monkeypatch ───────────────────────────────────────
+# Fix for: ImportError: cannot import name 'HfFolder' from 'huggingface_hub'
+# This happens in HF Spaces with newer hub versions and older Gradio versions.
+try:
+    import huggingface_hub
+    if not hasattr(huggingface_hub, "HfFolder"):
+        class MockHfFolder:
+            @staticmethod
+            def get_token(): return None
+            @staticmethod
+            def save_token(token): pass
+            @staticmethod
+            def delete_token(): pass
+        huggingface_hub.HfFolder = MockHfFolder
+except ImportError:
+    pass
+
 import gradio as gr
 import plotly.graph_objects as go
 from modules.data_simulation import generate_catalog, get_scenarios

requirements.txt

@@ -2,5 +2,6 @@ transformers
 torch
 sentence-transformers
 python-dotenv
+hf_transfer
 plotly
 numpy