fix(extension): harden controls, rules, and speed persistence

tests/helpers/browser.js

@@ -17,9 +17,9 @@ function readRepoFile(relPath) {
  * Parse HTML into a fresh JSDOM document so tests can reload scripts without
  * top-level `const` redeclaration errors (avoids document.write).
  */
-export function loadHtmlString(html) {
+export function loadHtmlString(html, options = {}) {
   const dom = new JSDOM(html, {
-    url: "https://example.org/",
+    url: options.url || "https://example.org/",
     pretendToBeVisual: true,
     runScripts: "dangerously"
   });

tests/helpers/extension-test-utils.js

@@ -44,9 +44,10 @@ function applyJSDOMWindow(win) {
   win.close = vi.fn();
 }
 
-function loadHtmlString(html) {
+function loadHtmlString(html, options) {
+  const config = options || {};
   const dom = new JSDOM(html, {
-    url: "https://example.org/",
+    url: config.url || "https://example.org/",
     pretendToBeVisual: true,
     runScripts: "dangerously"
   });