OK

src/streamlit_app.py

@@ -24,7 +24,17 @@ import streamlit as st
 from draft_model import DraftModel
 
 
-os.environ.setdefault("HF_HOME", os.path.expanduser("~/.cache/huggingface"))
+# 1) choose writable locations ( /tmp is always safe in Spaces )
+os.environ.setdefault("HOME", "/tmp")                       # fixes expanduser
+os.environ.setdefault("STREAMLIT_HOME", "/tmp/.streamlit")  # telemetry etc.
+os.environ.setdefault("HF_HOME",       "/tmp/hf_cache")     # model files
+
+# 2) create them so the next write succeeds
+for _dir in (os.environ["STREAMLIT_HOME"], os.environ["HF_HOME"]):
+    pathlib.Path(_dir).mkdir(parents=True, exist_ok=True)
+
+# 3) silence the “Collecting usage statistics…” banner completely
+os.environ["STREAMLIT_BROWSER_GATHERUSAGESTATS"] = "false"
 
 
 SUPPORTED_SETS_PATH = Path("supported_sets.txt")