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/core/pagination.js

@@ -1,39 +1,39 @@
 /**
- * AKSRT AJAX Pagination & Lazy Load
+ * Jio AJAX Pagination & Lazy Load
  */
 (function () {
   "use strict";
 
   function hasAjaxConfig() {
-    return !!(window.aksrtData && aksrtData.ajaxUrl && aksrtData.nonce);
+    return !!(window.jioData && jioData.ajaxUrl && jioData.nonce);
   }
 
   function initAjaxPagination(root) {
-    var containers = (root || document).querySelectorAll("[data-aksrt-pagination], .aksrt-comment-pagination");
+    var containers = (root || document).querySelectorAll("[data-jio-pagination], .jio-comment-pagination");
     if (!containers.length) return;
 
-    var triggerText = (window.aksrtData && aksrtData.ajaxTrigger) || "加载更多";
-    var nomoreText = (window.aksrtData && aksrtData.ajaxNomore) || "没有更多了";
-    var errorText = (window.aksrtData && aksrtData.ajaxLoadError) || "加载失败，请重试";
+    var triggerText = (window.jioData && jioData.ajaxTrigger) || "加载更多";
+    var nomoreText = (window.jioData && jioData.ajaxNomore) || "没有更多了";
+    var errorText = (window.jioData && jioData.ajaxLoadError) || "加载失败，请重试";
 
     containers.forEach(function (container) {
-      if (container.dataset.aksrtPaginationBound === "1") return;
-      container.dataset.aksrtPaginationBound = "1";
+      if (container.dataset.jioPaginationBound === "1") return;
+      container.dataset.jioPaginationBound = "1";
 
       var mode = container.dataset.mode || "load_more";
       var nextPage = parseInt(container.dataset.nextPage, 10) || 2;
       var maxPages = parseInt(container.dataset.maxPages, 10) || 1;
-      var isComment = container.classList.contains("aksrt-comment-pagination");
+      var isComment = container.classList.contains("jio-comment-pagination");
       var postId = container.dataset.postId || "";
       var commentOrder = container.dataset.commentOrder || "newest";
       var loading = false;
       var failed = false;
       var clickTarget = container.querySelector(".next-page.ajax-next, .ias-btn") || container;
-      var loadMoreBtn = container.querySelector("[data-aksrt-load-more]") || clickTarget;
+      var loadMoreBtn = container.querySelector("[data-jio-load-more]") || clickTarget;
       var successfulAutoLoads = 0;
       var iasMax = isComment
-        ? ((window.aksrtData && typeof aksrtData.commentIasMax !== "undefined") ? parseInt(aksrtData.commentIasMax, 10) : 0)
-        : ((window.aksrtData && typeof aksrtData.iasMax !== "undefined") ? parseInt(aksrtData.iasMax, 10) : 0);
+        ? ((window.jioData && typeof jioData.commentIasMax !== "undefined") ? parseInt(jioData.commentIasMax, 10) : 0)
+        : ((window.jioData && typeof jioData.iasMax !== "undefined") ? parseInt(jioData.iasMax, 10) : 0);
       // legacy 契约：分页容器与列表同处一个 .ajaxpager 内（首页 tab pane、归档流），
       // 此时追加目标就是列表容器本身，新卡片插到分页控件之前。
       var listContainer = container.closest(".ajaxpager, .posts-row");
@@ -50,7 +50,7 @@
         target = container.parentElement.querySelector(".post-grid, .comment-list, .commentlist, .content-stream__list");
       }
 
-      // 文章骨架：与 runtime/main.js 的 .ajax-next 处理器、aksrt_render_placeholder()
+      // 文章骨架：与 runtime/main.js 的 .ajax-next 处理器、jio_render_placeholder()
       // 同源同款（1:1 对齐参考主题 zib_get_post_placeholder）。刻意不写 ajax-item：
       // 否则会被 inject() / find('.ajax-item') 当成真实条目删除或定位。
       var CARD_ITEM =
@@ -94,7 +94,7 @@
       // 兜底（非文章列表面，例如评论区没有 .posts-item 时）：转圈 + 文案，
       // 绝不用按钮自身文字来表达加载态。
       function fallbackLoader() {
-        var text = (window.aksrtData && aksrtData.ajaxLoading) || "加载中...";
+        var text = (window.jioData && jioData.ajaxLoading) || "加载中...";
         return (
           '<div class="mb20"><div class="text-center muted-2-color mt20">' +
           '<i class="loading mr10"></i>' + text +
@@ -167,13 +167,13 @@
         // 只操作 .post_ajax_loader，不触碰「加载更多」按钮自身的文字）。
         showSkeleton();
 
-        var action = isComment ? "aksrt_load_more_comments" : "aksrt_load_more_posts";
+        var action = isComment ? "jio_load_more_comments" : "jio_load_more_posts";
         var queryContext = container.dataset.queryContext || "";
         var queryVars = container.dataset.queryVars || "";
         var renderConfig = container.dataset.renderConfig || "";
         var body = new URLSearchParams();
         body.set("action", action);
-        body.set("nonce", aksrtData.nonce);
+        body.set("nonce", jioData.nonce);
         body.set("page", String(nextPage));
         if (queryContext) {
           body.set("query_context", queryContext);
@@ -191,7 +191,7 @@
           if (authorOnly === "1") body.set("author_only", "1");
         }
 
-        return fetch(aksrtData.ajaxUrl, {
+        return fetch(jioData.ajaxUrl, {
           method: "POST",
           headers: { "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8" },
           credentials: "same-origin",
@@ -285,9 +285,9 @@
             var max = parseInt(jumpInput.dataset.maxPages || String(maxPages), 10) || maxPages;
             targetPage = Math.max(1, Math.min(max, targetPage));
             // 评论跳页：本地 DOM 刷新，地址栏不携带 ? 参数。
-            if (window.AksrtComments && typeof window.AksrtComments.loadPage === "function") {
+            if (window.JioComments && typeof window.JioComments.loadPage === "function") {
               e.preventDefault();
-              window.AksrtComments.loadPage(targetPage);
+              window.JioComments.loadPage(targetPage);
               return;
             }
             window.location.hash = "comments";
@@ -329,7 +329,7 @@
       }
 
       if (mode === "infinite") {
-        if ((isComment && window.aksrtData && aksrtData.commentIasAuto === false) || !hasAjaxConfig()) {
+        if ((isComment && window.jioData && jioData.commentIasAuto === false) || !hasAjaxConfig()) {
           var autoTrigger = clickTarget.closest(".next-page") || clickTarget;
           autoTrigger.classList.remove("lazyload");
           autoTrigger.removeAttribute("lazyload-action");