fix(admin): unify settings save controls

tests/widget-system/settings-save-bar-contract.test.cjs

@@ -0,0 +1,31 @@
+const test = require('node:test')
+const assert = require('node:assert/strict')
+const fs = require('node:fs')
+const path = require('node:path')
+
+const root = path.resolve(__dirname, '../..')
+const read = file => fs.readFileSync(path.join(root, file), 'utf8')
+
+const pages = [
+  'assets/admin/src/pages/users/UsersWechatTemplate.vue',
+  'assets/admin/src/pages/users/UsersLevel.vue',
+  'assets/admin/src/pages/users/UsersVerify.vue',
+  'assets/admin/src/pages/CmsCredits.vue',
+  'assets/admin/src/pages/permissions/PermissionsCapabilities.vue',
+  'assets/admin/src/pages/content/FooterTabbarSettings.vue',
+]
+
+test('custom settings pages use the shared dirty save bar without page-level save buttons', () => {
+  for (const page of pages) {
+    const source = read(page)
+    assert.equal((source.match(/<JioSaveBar\b/g) || []).length, 1, page)
+    assert.match(source, /<JioSaveBar\b[^>]*:dirty="dirty"[^>]*@save="[^"]+"[^>]*@reload="[^"]+"/, page)
+    assert.doesNotMatch(source, /class="jio-form-(?:actions|footer)"/, page)
+    assert.doesNotMatch(source, /@click="(?:handleSave|save|saveCfg)"/, page)
+  }
+})
+
+test('footer tabbar single-post mode is persisted by the save endpoint', () => {
+  const controller = read('src/Admin/GlobalController.php')
+  assert.match(controller, /'footer_tabbar_single'\s*=>\s*in_array\(\$params\['footer_tabbar_single'\]/)
+})