Improve JSDoc type specificity

Author: Gudahtt

app/scripts/app-init.js

@@ -193,8 +193,7 @@ const registerInPageContentScript = async () => {
  * is never called.
  * For MV2 builds, the listener is added in `background.js` instead.
  *
- * @param {object} details - Event details.
- * @param {string} details.reason - The reason that this event was dispatched.
+ * @param {chrome.runtime.InstalledDetails} details - Event details.
  */
 function onInstalledListener(details) {
   if (details.reason === 'install') {

app/scripts/background.js

@@ -149,8 +149,7 @@ if (!isManifestV3) {
    * is never called.
    * There is no `app-init` file on MV2 builds, so we add a listener here instead.
    *
-   * @param {object} details - Event details.
-   * @param {string} details.reason - The reason that this event was dispatched.
+   * @param {import('webextension-polyfill').Runtime.OnInstalledDetailsType} details - Event details.
    */
   const onInstalledListener = (details) => {
     if (details.reason === 'install') {