chore: use docker exec for Redis readiness check in local-up.sh

scripts/local-up.sh

@@ -21,7 +21,7 @@ done
 
 echo "Waiting for Redis..."
 RETRY_COUNT=0
-until redis-cli -h localhost -p 6379 ping | grep -q "PONG"; do
+until docker exec mci-redis redis-cli ping | grep -q "PONG"; do
   RETRY_COUNT=$((RETRY_COUNT + 1))
   if [ "$RETRY_COUNT" -ge 30 ]; then
     echo "Redis did not become ready within 30 seconds."