feat: queue popups and new engage popup

src/seqta/utils/Openers/StartupPopupQueue.ts

@@ -0,0 +1,39 @@
+import { settingsState } from "../listeners/SettingsState";
+import { OpenWhatsNewPopup } from "./OpenWhatsNewPopup";
+import {
+  shouldShowPrivacyNotification,
+  showPrivacyNotification,
+} from "./OpenPrivacyNotification";
+import {
+  shouldShowEngageParentsAnnouncement,
+  showEngageParentsAnnouncement,
+} from "./OpenEngageParentsAnnouncement";
+
+type QueueStep = (goNext: () => void) => void;
+
+/**
+ * Runs startup modals in order: What's New (if the extension just updated),
+ * privacy statement (if required), then the SEQTA Engage announcement (once).
+ */
+export function runStartupPopupQueue() {
+  const steps: QueueStep[] = [];
+
+  if (settingsState.justupdated) {
+    steps.push((goNext) => OpenWhatsNewPopup(goNext));
+  }
+
+  if (shouldShowPrivacyNotification()) {
+    steps.push((goNext) => showPrivacyNotification(goNext));
+  }
+
+  if (shouldShowEngageParentsAnnouncement()) {
+    steps.push((goNext) => showEngageParentsAnnouncement(goNext));
+  }
+
+  function runNext() {
+    const step = steps.shift();
+    if (step) step(runNext);
+  }
+
+  runNext();
+}