fix(session-notification): defer platform detection and background checks

src/hooks/session-notification-init.ts

@@ -0,0 +1,31 @@
+import type { Platform } from "./session-notification-sender"
+import * as sessionNotificationSender from "./session-notification-sender"
+import { startBackgroundCheck } from "./session-notification-utils"
+
+export function createSessionNotificationInit() {
+  let platform: Platform | null = null
+  let defaultSoundPath: string | null = null
+  let started = false
+
+  function initialize(): { platform: Platform; defaultSoundPath: string } {
+    if (!platform) {
+      platform = sessionNotificationSender.detectPlatform()
+    }
+    if (!defaultSoundPath) {
+      defaultSoundPath = sessionNotificationSender.getDefaultSoundPath(platform)
+    }
+    if (!started) {
+      startBackgroundCheck(platform)
+      started = true
+    }
+
+    return {
+      platform,
+      defaultSoundPath,
+    }
+  }
+
+  return {
+    initialize,
+  }
+}