Fix Streamlit async loop & permission issues + backend linkage

.streamlit/config.toml

@@ -0,0 +1,3 @@
+[global]
+disableUsageStats = true
+disableInstallationID = true

app.py

@@ -1,11 +1,13 @@
 import os
-# Redirect HOME so Streamlit can write config without root permissions
+# Redirect HOME so Streamlit writes under /tmp
 os.environ["HOME"] = "/tmp"
+# Disable usage stats
 os.environ["STREAMLIT_GATHER_USAGE_STATS"] = "false"
+# Use tmp for config/cache
 os.environ["STREAMLIT_CONFIG_DIR"] = "/tmp/.streamlit"
 os.environ["STREAMLIT_CACHE_DIR"] = "/tmp/.streamlit"
 
-# Patch asyncio event loop to avoid RuntimeError in Streamlit
+# Patch asyncio loop to avoid RuntimeError
 import nest_asyncio
 nest_asyncio.apply()
 
@@ -13,16 +15,16 @@ import streamlit as st
 import requests
 import pandas as pd
 
+# Page config
 st.set_page_config(page_title="ExtraaLearn Lead Converter", layout="centered")
 st.title("🎓 ExtraaLearn Lead Conversion")
 st.write("Enter lead details and click Predict.")
 
-# Input widgets
+# Inputs
 age = st.number_input("Age", 18, 100, 30)
 visits = st.number_input("Website Visits", 0, 50, 1)
 time_spent = st.number_input("Time Spent on Website (s)", 0, 5000, 300)
 pages = st.number_input("Page Views per Visit", 1, 20, 3)
-
 occ = st.selectbox("Current Occupation", ["Professional","Unemployed","Student"])
 first_int = st.selectbox("First Interaction", ["Website","Mobile App"])
 profile = st.selectbox("Profile Completed", ["Low","Medium","High"])