feat: enhance GenericVerifiableCredential interface with explicit optional properties

- Add name, description, and agent as optional properties to GenericVerifiableCredential
- Improve type safety and IntelliSense for common claim properties
- Maintain backward compatibility with existing code
- Reduce need for type assertions when accessing claim properties

src/components/PushNotificationPermission.vue

@@ -104,11 +104,7 @@ import { Component, Vue } from "vue-facing-decorator";
 
 import { DEFAULT_PUSH_SERVER, NotificationIface } from "../constants/app";
 import * as databaseUtil from "../db/databaseUtil";
-import {
-  logConsoleAndDb,
-  retrieveSettingsForActiveAccount,
-  secretDB,
-} from "../db/index";
+import { logConsoleAndDb, secretDB } from "../db/index";
 import { MASTER_SECRET_KEY } from "../db/tables/secret";
 import { urlBase64ToUint8Array } from "../libs/crypto/vc/util";
 import * as libsUtil from "../libs/util";