cache the passkey JWANT access token for multiple signatures

src/db/tables/settings.ts

@@ -26,6 +26,7 @@ export type Settings = {
   lastName?: string; // deprecated - put all names in firstName
   lastNotifiedClaimId?: string;
   lastViewedClaimId?: string;
+  passkeyExpirationMinutes?: number; // passkey access token time-to-live in minutes
   profileImageUrl?: string;
   reminderTime?: number; // Time in milliseconds since UNIX epoch for reminders
   reminderOn?: boolean; // Toggle to enable or disable reminders
@@ -46,7 +47,7 @@ export type Settings = {
 };
 
 export function isAnyFeedFilterOn(settings: Settings): boolean {
-  return !!(settings.filterFeedByNearby || settings.filterFeedByVisible);
+  return !!(settings?.filterFeedByNearby || settings?.filterFeedByVisible);
 }
 
 /**
@@ -60,3 +61,5 @@ export const SettingsSchema = {
  * Constants.
  */
 export const MASTER_SETTINGS_KEY = 1;
+
+export const DEFAULT_PASSKEY_EXPIRATION_MINUTES = 15;