fix(runtime): remove stale aksrt namespace dependency

tests/widget-system/frontend-lifecycle-contract.test.cjs

@@ -4,6 +4,7 @@ const assert = require('node:assert/strict');
 const fs = require('node:fs');
 const path = require('node:path');
 const test = require('node:test');
+const vm = require('node:vm');
 
 const root = path.resolve(__dirname, '..', '..');
 const read = (file) => fs.readFileSync(path.join(root, file), 'utf8');
@@ -44,6 +45,52 @@ test('main owns the one global auto_fun boot', () => {
   assert.match(main, /jQuery\(document\)\.trigger\(['"]auto_fun['"]\)/);
 });
 
+test('theme and comments do not depend on the removed aksrt namespace APIs', () => {
+  const theme = read('assets/js/core/theme.js');
+  const comments = read('assets/js/comment-ajax.js');
+  const runtime = read('assets/js/runtime/main.min.js');
+
+  assert.match(theme, /window\.aksrtData\.themeMode/);
+  assert.doesNotMatch(theme, /(?:window\.)?aksrt\.toggleTheme/);
+  assert.doesNotMatch(comments, /(?:window\.)?aksrt\.(?:__|confirm)/);
+  assert.doesNotMatch(runtime, /(?:window\.)?aksrt\.(?:toggleTheme|__|confirm)/);
+});
+
+test('theme initializes when the removed aksrt namespace is absent', () => {
+  const classList = { toggle() {}, contains() { return false; } };
+  const document = {
+    readyState: 'complete',
+    cookie: '',
+    body: { classList, setAttribute() {} },
+    documentElement: { classList, setAttribute() {} },
+    head: { appendChild() {} },
+    querySelector() { return null; },
+    querySelectorAll() { return []; },
+    getElementById() { return null; },
+    createElement() { return { setAttribute() {} }; },
+    dispatchEvent() {},
+  };
+  const window = {
+    document,
+    location: { protocol: 'https:' },
+    localStorage: { getItem() { return null; }, setItem() {} },
+    matchMedia() { return { matches: false }; },
+    setTimeout,
+    innerWidth: 1280,
+    innerHeight: 720,
+  };
+
+  assert.doesNotThrow(() => vm.runInNewContext(read('assets/js/core/theme.js'), {
+    window,
+    document,
+    localStorage: window.localStorage,
+    CustomEvent: class {},
+    Date,
+    Math,
+  }));
+  assert.equal(window.aksrt, undefined);
+});
+
 test('routed modules use one namespaced auto_fun owner and no registry', () => {
   for (const file of routed) {
     const source = read(file);