refactor: rename the theme brand and every identifier from AKSRT to Jio

Full-project rename. `git grep -i aksrt` is now empty apart from the
DBMigrator 3.3.0 changelog note that documents the rename itself.

Code identifiers
- PHP namespace AKSRT\ -> Jio\ (composer PSR-4 + 378 declarations)
- global constants AKSRT_* -> JIO_* (VERSION/DIR/URI, PAY_TYPE_*, CAPTCHA_*)
- procedural functions, hooks, options, meta keys, table names,
  cookies, query vars, ajax actions and nonces: aksrt_ -> jio_
- text domain aksrt -> jio; Theme Name -> Jio
- JS globals: aksrtData/aksrtAdminData/... -> jioData/jioAdminData/...,
  window.AKSRTCaptcha & friends -> window.JioCaptcha, Aksrt* -> Jio*
- Vue components Aks*.vue -> Jio*.vue (15 files renamed + imports)
- CSS classes/data-attrs/custom properties: aksrt- -> jio-
- REST namespace aksrt/v1 -> jio/v1 (incl. payment gateway callbacks)

Storage layer
- DB tables {prefix}aksrt_* -> {prefix}jio_*; SCHEMA_VERSION 3.2.0 -> 3.3.0
  so dbDelta creates the new names on install
- widget id_base aksrt_widget_* -> jio_widget_*
- uninstall.php drop list rebuilt from the actual migrator tables
  (dropped 3 stale entries, added the 17 missing ones)

Removed
- hardcoded https://api.aksrt.com/version.json default update endpoint;
  get_endpoint() now reads the 「更新端点」 setting and do_check() no-ops
  when it is empty

Files renamed: inc/helpers/aksrt-*.php -> jio-*.php (54),
assets/admin/src/components/form/Aks*.vue -> Jio*.vue (15).
Build artifacts regenerated: assets/css/build, assets/js/runtime,
assets/admin/build.

Verified: audit-psr4-paths errors=0, audit-admin-contracts errors=0
(warnings=56, unchanged baseline), 813/813 widget-system tests,
44/44 phpunit, php -l clean across all PHP.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

assets/js/messages.js

@@ -1,7 +1,7 @@
 /**
- * AKSRT message center DOM navigation.
+ * Jio message center DOM navigation.
  *
- * @package AKSRT
+ * @package Jio
  */
 (function () {
   'use strict';
@@ -9,8 +9,8 @@
   var root = document.querySelector('[data-message-center]');
   if (!root) return;
 
-  var nonce = typeof aksrtData !== 'undefined' ? aksrtData.nonce : '';
-  var ajaxUrl = typeof aksrtData !== 'undefined' ? aksrtData.ajaxUrl : '/wp-admin/admin-ajax.php';
+  var nonce = typeof jioData !== 'undefined' ? jioData.nonce : '';
+  var ajaxUrl = typeof jioData !== 'undefined' ? jioData.ajaxUrl : '/wp-admin/admin-ajax.php';
   var content = root.querySelector('[data-message-content]');
   var nav = root.querySelector('[data-message-nav]');
   var state = {
@@ -42,7 +42,7 @@
 
   function updateHeaderBadge(unread) {
     var count = Math.max(0, Number(unread) || 0);
-    var headerBadge = document.querySelector('.aksrt-notification-badge');
+    var headerBadge = document.querySelector('.jio-notification-badge');
     var avatarDot = document.querySelector('.nav-user__dot');
     if (headerBadge) {
       headerBadge.textContent = String(count);
@@ -104,7 +104,7 @@
     var skeleton = content.querySelector('.messages-list > .post_ajax_loader');
     if (skeleton) skeleton.classList.add('is-loading');
 
-    return post('aksrt_load_message_center', {
+    return post('jio_load_message_center', {
       view: requested.view,
       page: requested.page,
       notification_id: requested.detail,
@@ -195,7 +195,7 @@
   document.addEventListener('click', function (event) {
     var button = event.target.closest('.js-msg-mark-read');
     if (!button || !root.contains(button)) return;
-    post('aksrt_mark_notification_read', { notification_id: button.dataset.id }).then(function (result) {
+    post('jio_mark_notification_read', { notification_id: button.dataset.id }).then(function (result) {
       if (result.success) reloadList();
     });
   });
@@ -203,7 +203,7 @@
   document.addEventListener('click', function (event) {
     var button = event.target.closest('.js-msg-delete');
     if (!button || !root.contains(button)) return;
-    post('aksrt_delete_notification', { notification_id: button.dataset.id }).then(function (result) {
+    post('jio_delete_notification', { notification_id: button.dataset.id }).then(function (result) {
       if (result.success) reloadList();
     });
   });
@@ -211,7 +211,7 @@
   document.addEventListener('click', function (event) {
     var button = event.target.closest('.js-msg-mark-all-read');
     if (!button || !root.contains(button)) return;
-    post('aksrt_mark_notification_read', { mark_all: '1' }).then(function (result) {
+    post('jio_mark_notification_read', { mark_all: '1' }).then(function (result) {
       if (result.success) reloadList();
     });
   });
@@ -224,7 +224,7 @@
       if (/^\d+$/.test(item.dataset.notificationId)) ids.push(item.dataset.notificationId);
     });
     if (!ids.length) return;
-    post('aksrt_delete_notifications', { notification_ids: ids }).then(function (result) {
+    post('jio_delete_notifications', { notification_ids: ids }).then(function (result) {
       if (result.success) reloadList();
     });
   });
@@ -238,7 +238,7 @@
 
   window.history.replaceState(state, '', routeFor(state.view));
   window.setInterval(function () {
-    post('aksrt_check_new_notifications', {}).then(function (result) {
+    post('jio_check_new_notifications', {}).then(function (result) {
       if (result.success && result.data) updateHeaderBadge(result.data.unread);
     }).catch(function () {});
   }, pollInterval);