initialize method
Implementation
Future<void> initialize() async {
BootLog().log("🔧 BootupService: Starting initialization");
secureStorage = const FlutterSecureStorage();
BootLog().log("🛡 Secure storage initialized");
prefs = await SharedPreferences.getInstance();
BootLog().log("📦 SharedPreferences initialized");
packageInfo = await PackageInfo.fromPlatform();
BootLog().log("📱 App version: ${packageInfo.version} (${packageInfo.buildNumber})");
await _checkFirstLaunchOrUpgrade();
}