app.py

import os

# Set Streamlit config directory to a writable folder (/tmp here is typically writable)
os.environ["STREAMLIT_CONFIG_DIR"] = "/tmp/.streamlit"

# Disable browser usage stats collection to avoid writing files
os.environ["STREAMLIT_BROWSER_GATHERUSAGESTATS"] = "false"

import streamlit as st
import main_dashboard
import about_page
import datasets_page
import system_test_page

st.set_page_config(page_title="Surgical Scene Understanding", page_icon="🩺", layout="wide")

with st.sidebar:
    st.markdown("## 🩺 Surgical Scene Understanding")
    page = st.radio(
        "Navigation",
        [
            "🏠 Main Dashboard",
            "🧪 Test System",
            "📂 Dataset",
            "ℹ️ About"
        ],
        label_visibility="collapsed"
    )

if page.startswith("🏠"):
    main_dashboard.show()
elif page.startswith("🧪"):
    system_test_page.show()
elif page.startswith("📂"):
    datasets_page.show()
elif page.startswith("ℹ️"):
    about_page.show()