Set model environment variables directly in app.py for Hugging Face Spaces

app.py

@@ -26,6 +26,13 @@ os.environ["HTTPX_VERIFY"] = "0"
 os.environ["UI_PORT"] = "7860"  # Standard Spaces port
 os.environ["HF_SPACES"] = "1"  # Flag to indicate we're running in Spaces
 
+# Set model environment variables explicitly for Hugging Face Spaces
+# These will override any variables loaded from .env.spaces
+os.environ["MODEL_ID"] = "distilgpt2"  # Use a smaller, well-supported model
+os.environ["USE_LOCAL_MODEL"] = "true"
+os.environ["MODEL_TYPE"] = "transformers"
+os.environ["MODEL_QUANTIZED"] = "true"
+
 # Import UI module directly
 try:
     # Import main function directly from the UI module using direct path import