feat(widgets): add phase 4 validation and accessibility

assets/widgets/admin.js

@@ -2,6 +2,7 @@
   'use strict';
 
   const config = window.aksrtWidgetAdmin || {};
+	const core = window.AKSRTWidgetAdminCore;
 
   function initForm(root) {
     const $root = $(root);
@@ -68,15 +69,7 @@
     $form.find('[name]').each(function () {
       const rowIndexes = $(this).parents('.aksrt-widget-repeater__row').get().reverse().map((row) => Number(row.dataset.rowIndex || 0));
       if (!rowIndexes.length) return;
-      let foundWidgetNumber = false;
-      let cursor = 0;
-      this.name = this.name.replace(/\[(\d+|__index_[a-f0-9]+__)\]/g, (match, index) => {
-        if (!foundWidgetNumber && /^\d+$/.test(index)) {
-          foundWidgetNumber = true;
-          return match;
-        }
-        return cursor < rowIndexes.length ? `[${rowIndexes[cursor++]}]` : match;
-      });
+			this.name = core.replaceRepeaterIndexes(this.name, rowIndexes);
     });
   }
 
@@ -89,14 +82,10 @@
 
   function evaluateDependencies($form) {
     $form.find('[data-dependency]').each(function () {
-      let rule;
-      try { rule = JSON.parse(this.dataset.dependency || '[]'); } catch (_error) { return; }
-      if (!Array.isArray(rule) || rule.length < 3) return;
+			const rule = core.parseDependency(this.dataset.dependency || '[]');
       const $row = $(this).closest('.aksrt-widget-repeater__row');
       const current = fieldValue($row.length ? $row : $form, String(rule[0]));
-      const expected = String(rule[2]);
-      const visible = rule[1] === '==' ? current === expected : current !== expected;
-      this.hidden = !visible;
+			this.hidden = !core.dependencyVisible(rule, current);
     });
   }