debugging for private faiss

app.py

@@ -147,7 +147,7 @@ Generate the complete Verilog code.
 
 # --------------------------- Space wiring below ---------------------------
 
-CACHE_DIR = Path("/data/faiss_index")   # Spaces ephemeral storage
+CACHE_DIR = Path("./faiss_index")  # Stores index in repo's ephemeral environment
 CACHE_DIR.mkdir(parents=True, exist_ok=True)
 
 # Env vars you’ll set in the Space “Settings → Repository secrets”