/**
 * shared/browser-polyfill.js
 *
 * Minimal shim so content scripts and bridge.js can use `chrome.*` on Firefox.
 * Firefox exposes the WebExtensions API as `browser.*` (promise-based).
 * Chrome exposes it as `chrome.*` (callback-based, with Promise wrappers in MV3).
 *
 * This shim only aliases `browser` → `chrome` when `chrome` is not defined,
 * which is sufficient for the subset of APIs used by PassKeeper content scripts
 * (chrome.runtime, chrome.storage.session/local, chrome.storage.onChanged).
 *
 * For full cross-browser compatibility, replace with the official
 * Mozilla WebExtension browser-polyfill:
 *   https://github.com/mozilla/webextension-polyfill
 */
if (typeof chrome === 'undefined' && typeof browser !== 'undefined') {
  // eslint-disable-next-line no-global-assign
  chrome = browser;
}