src/streamlit_app.py

import streamlit as st
import cv2
import tempfile
import base64
from ocr_engine import extract_weight

st.set_page_config(page_title="Auto Weight Logger", layout="centered")
st.title("⚖️ Auto Weight Logger")

img_data = st.camera_input("📷 Capture weight display")

if img_data:
with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg") as f:
f.write(img_data.getvalue())
f.flush()
weight = extract_weight(f.name)
st.image(f.name, caption="📸 Snapshot")
st.success(f"✅ Detected Weight: {weight} g")