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/views/ContactGiftingView.vue

@@ -77,7 +77,6 @@ import GiftedDialog from "../components/GiftedDialog.vue";
 import QuickNav from "../components/QuickNav.vue";
 import EntityIcon from "../components/EntityIcon.vue";
 import { NotificationIface } from "../constants/app";
-import { db, retrieveSettingsForActiveAccount } from "../db/index";
 import { Contact } from "../db/tables/contacts";
 import * as databaseUtil from "../db/databaseUtil";
 import { GiverReceiverInputInfo } from "../libs/util";