ChatGPT's update to harden software and run db updates.

js/tickets.js

@@ -0,0 +1,17 @@
+/* HTML maxlength counts UTF-16 units; the server counts Unicode code points. */
+(function () {
+    'use strict';
+    function initialize() {
+        document.querySelectorAll('[data-character-limit]').forEach(function (field) {
+            const limit = Number(field.dataset.characterLimit);
+            function validate() {
+                const tooLong = Array.from(field.value.replace(/^[ \t\n\r\0\v]+|[ \t\n\r\0\v]+$/g, '')).length > limit;
+                field.setCustomValidity(tooLong ? 'Please enter ' + limit + ' characters or fewer.' : '');
+            }
+            field.addEventListener('input', validate);
+            validate();
+        });
+    }
+    if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', initialize);
+    else initialize();
+}());