app.py

import os
from hardware_qa_assistant_lang_graph_gradio_demo_version_users import build_gradio_blocks
import gradio as gr
print("[debug] gradio version:", gr.__version__)

# Safer demo mode
os.environ["DEMO_MODE"] = "1"
os.environ["OCR_BACKEND"] = "auto"

demo = build_gradio_blocks()
demo.queue(default_concurrency_limit=1, max_size=32)
demo.launch()