diff --git a/l4d2web/l4d2web/templates/_editor_assets.html b/l4d2web/l4d2web/templates/_editor_assets.html
new file mode 100644
index 0000000..068d78e
--- /dev/null
+++ b/l4d2web/l4d2web/templates/_editor_assets.html
@@ -0,0 +1,10 @@
+{# Editor asset bundle — include on any page that mounts a
+   <textarea data-editor-language>. Order matters: prism + codejar load
+   first, then the srccfg grammar registers itself on window.Prism, then
+   editor.js scans the DOM and mounts. #}
+<link rel="stylesheet" href="{{ url_for('static', filename='vendor/prism.css') }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/editor.css') }}">
+<script src="{{ url_for('static', filename='vendor/prism.js') }}" defer nonce="{{ g.csp_nonce }}"></script>
+<script src="{{ url_for('static', filename='vendor/codejar.js') }}" defer nonce="{{ g.csp_nonce }}"></script>
+<script src="{{ url_for('static', filename='js/srccfg-grammar.js') }}" defer nonce="{{ g.csp_nonce }}"></script>
+<script src="{{ url_for('static', filename='js/editor.js') }}" defer nonce="{{ g.csp_nonce }}"></script>