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>

src/Admin/GlobalControllerPart1.php

@@ -1,9 +1,9 @@
 <?php
 /**
- * @package AKSRT
+ * @package Jio
  */
 
-namespace AKSRT\Admin;
+namespace Jio\Admin;
 
 defined('ABSPATH') || exit;
 
@@ -14,14 +14,14 @@ trait GlobalControllerPart1 {
         $ordered_ids = $params['ids'] ?? [];
 
         if (!is_array($ordered_ids)) {
-            return new \WP_REST_Response(['code' => 'error', 'message' => __('参数错误', 'aksrt')], 400);
+            return new \WP_REST_Response(['code' => 'error', 'message' => __('参数错误', 'jio')], 400);
         }
 
         if (count($ordered_ids) > 5) {
-            return new \WP_REST_Response(['code' => 'error', 'message' => __('Footer tabbar supports at most 5 items.', 'aksrt')], 400);
+            return new \WP_REST_Response(['code' => 'error', 'message' => __('Footer tabbar supports at most 5 items.', 'jio')], 400);
         }
 
-        $tabbar = get_option('aksrt_footer_tabbar', []);
+        $tabbar = get_option('jio_footer_tabbar', []);
         $items = $tabbar['items'] ?? [];
 
         $order_map = array_flip($ordered_ids);
@@ -36,9 +36,9 @@ trait GlobalControllerPart1 {
         }
 
         $tabbar['items'] = $items;
-        update_option('aksrt_footer_tabbar', $tabbar);
+        update_option('jio_footer_tabbar', $tabbar);
 
-        return rest_ensure_response(['code' => 'success', 'message' => __('Order saved.', 'aksrt')]);
+        return rest_ensure_response(['code' => 'success', 'message' => __('Order saved.', 'jio')]);
     }
 
     private function sanitize_tabbar_item(array $item): array {
@@ -56,7 +56,7 @@ trait GlobalControllerPart1 {
         if (!empty($item['add_items']) && is_array($item['add_items'])) {
             foreach ($item['add_items'] as $sub_item) {
                 $label = sanitize_text_field($sub_item['label'] ?? '');
-                $icon = aksrt_sanitize_icon_value((string) ($sub_item['icon'] ?? 'fa fas fa-pen'));
+                $icon = jio_sanitize_icon_value((string) ($sub_item['icon'] ?? 'fa fas fa-pen'));
                 $url = esc_url_raw($sub_item['url'] ?? '');
                 if ($label === '') {
                     continue;
@@ -73,7 +73,7 @@ trait GlobalControllerPart1 {
         return [
             'id'                  => sanitize_text_field($item['id'] ?? uniqid('tab_')),
             'type'                => $type,
-            'icon'                => aksrt_sanitize_icon_value((string) ($item['icon'] ?? '')),
+            'icon'                => jio_sanitize_icon_value((string) ($item['icon'] ?? '')),
             'text'                => sanitize_text_field($item['text'] ?? ''),
             'link'                => esc_url_raw($item['link'] ?? ''),
             'badge'               => sanitize_text_field($item['badge'] ?? ''),
@@ -93,16 +93,16 @@ trait GlobalControllerPart1 {
 
     public function rest_handle_floating_buttons(\WP_REST_Request $request): \WP_REST_Response {
         if ($request->get_method() === 'GET') {
-            return rest_ensure_response(['code' => 'success', 'data' => \AKSRT\Settings\FloatButtons::get()]);
+            return rest_ensure_response(['code' => 'success', 'data' => \Jio\Settings\FloatButtons::get()]);
         }
 
-        $settings = \AKSRT\Settings\FloatButtons::sanitize($this->get_json_params($request));
-        update_option(\AKSRT\Settings\FloatButtons::OPTION, $settings);
-        \AKSRT\Settings\Settings::flush_settings_cache();
+        $settings = \Jio\Settings\FloatButtons::sanitize($this->get_json_params($request));
+        update_option(\Jio\Settings\FloatButtons::OPTION, $settings);
+        \Jio\Settings\Settings::flush_settings_cache();
 
         return rest_ensure_response([
             'code'    => 'success',
-            'message' => __('Floating button settings saved.', 'aksrt'),
+            'message' => __('Floating button settings saved.', 'jio'),
             'data'    => $settings,
         ]);
     }