Send reload reason and determinive re-enable event

src/background/index.ts

@@ -210,6 +210,7 @@ initialize().then((values) => {
 });
 
 browser.runtime.onInstalled.addListener(({ reason }) => {
+  runtimeStore.handleInstalledEvent({ reason });
   if (reason === 'install') {
     userLifecycleStore.handleRuntimeInstalledEvent();
     openOnboarding();

src/shared/analytics/analytics.background.ts

@@ -338,8 +338,16 @@ function trackAppEvents({ account }: { account: Account }) {
     // We want to check whether background script got restarted in a way
     // that has led to an unexpected logout.
     // The browser restart is considered an expected logout.
-    const { startupEvent } = runtimeStore.getState();
+    const { startupEvent, installedEvent } = runtimeStore.getState();
+
     const isIntentionalBrowserRestart = Boolean(startupEvent);
+
+    const likelyReason = installedEvent
+      ? installedEvent.reason
+      : isIntentionalBrowserRestart
+      ? 'browser restart'
+      : 're-enabled by user';
+
     if (isIntentionalBrowserRestart) {
       return;
     }
@@ -362,6 +370,7 @@ function trackAppEvents({ account }: { account: Account }) {
         request_name: 'background_script_reloaded',
         time_to_expiry: sessionExpiry.timeToExpiry,
         is_update_from_version: previousVersion,
+        likely_reason: likelyReason,
       })
     );
   });

src/shared/core/runtime-store.ts

@@ -1,4 +1,5 @@
 import { Store } from 'store-unit';
+import type Browser from 'webextension-polyfill';
 
 type State = {
   connected: boolean;
@@ -9,15 +10,27 @@ type State = {
    * https://developer.chrome.com/docs/extensions/reference/api/runtime#event-onStartup
    */
   startupEvent: null | number;
+  installedEvent: null | {
+    reason: Browser.Runtime.OnInstalledReason;
+    timestamp: number;
+  };
 };
 
 class RuntimeStore extends Store<State> {
   handleStartupEvent() {
     this.setState((state) => ({ ...state, startupEvent: Date.now() }));
   }
+
+  handleInstalledEvent(details: { reason: Browser.Runtime.OnInstalledReason }) {
+    this.setState((state) => ({
+      ...state,
+      installedEvent: { reason: details.reason, timestamp: Date.now() },
+    }));
+  }
 }
 
 export const runtimeStore = new RuntimeStore({
   connected: true,
   startupEvent: null,
+  installedEvent: null,
 });