Update start.sh

start.sh

@@ -1,14 +1,14 @@
 #!/bin/bash
 set -e
 
-# Start Redis
+# Launch Redis server in background
 redis-server &
 
 # Launch Celery worker
 celery -A celery_worker worker --loglevel=info &
 
-# Launch FastAPI
+# Launch FastAPI backend
 uvicorn app.main:app --host 0.0.0.0 --port 7860 &
 
-# Launch Streamlit
+# Launch Streamlit frontend
 streamlit run app.py --server.port 7861