Feat: Entrypoint runs both Next.js and worker process

entrypoint.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+echo "[Entrypoint] Starting Kalbot worker..."
+node worker.js &
+WORKER_PID=$!
+
+echo "[Entrypoint] Starting Next.js server..."
+node server.js &
+SERVER_PID=$!
+
+# Trap signals and forward to both processes
+trap "kill $WORKER_PID $SERVER_PID 2>/dev/null; exit 0" SIGTERM SIGINT
+
+# Wait for either to exit
+wait -n
+EXIT_CODE=$?
+
+echo "[Entrypoint] A process exited with code $EXIT_CODE. Shutting down..."
+kill $WORKER_PID $SERVER_PID 2>/dev/null
+exit $EXIT_CODE