Update config.py

config.py

@@ -1,19 +1,18 @@
 import os
 
-# Hugging Face Token
+# Hugging Face Token – not required for public models like google/medgemma-4b-it
 HF_TOKEN = os.getenv("HF_TOKEN")
-if not HF_TOKEN:
-    raise ValueError("❌ HF_TOKEN not set in environment variables.")
+if HF_TOKEN == "":
+    HF_TOKEN = None  # Normalize empty string to None
 
-# ✅ Updated Model to Load
-MODEL_ID = os.getenv("MODEL_ID", "meta-llama/Meta-Llama-3-8B-Instruct")
- # Allows override via env
+# ✅ Public model (no gating or token needed unless rate-limited)
+MODEL_ID = os.getenv("MODEL_ID", "google/medgemma-4b-it")
 
 # Paths and Settings
-TEMP_DIR = os.getenv("TEMP_DIR", "/tmp")  # For screenshots, temporary files, etc.
-ENABLE_EXECUTION = os.getenv("ENABLE_EXECUTION", "true").lower() == "true"  # toggle command execution
+TEMP_DIR = os.getenv("TEMP_DIR", "/tmp")  # Temporary storage (screenshots, temp files, etc.)
+ENABLE_EXECUTION = os.getenv("ENABLE_EXECUTION", "true").lower() == "true"  # Allow shell execution
 
-# OS Commands (override or customize per OS)
+# OS Commands (can be adjusted per OS)
 OS_COMMANDS = {
     "open": {
         "chrome": "google-chrome",