--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mrjunejune/test/production_bundle_exclusion_test.sh	Wed Aug 05 09:19:41 2026 -0700
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+bundle="$1"
+
+if find "$bundle" -type f | grep -E '/jrpg/|pixel-mplus-12-regular'; then
+  echo "Production bundle contains development-only JRPG files" >&2
+  exit 1
+fi
+
+if grep -R -a -l -E '"/jrpg"|/jrpg/index\.html' "$bundle"; then
+  echo "Production bundle contains a development-only JRPG route" >&2
+  exit 1
+fi