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/FeedFilters.vue

@@ -101,8 +101,6 @@ import {
 import { Router } from "vue-router";
 
 import * as databaseUtil from "../db/databaseUtil";
-import { MASTER_SETTINGS_KEY } from "../db/tables/settings";
-import { db, retrieveSettingsForActiveAccount } from "../db/index";
 
 @Component({
   components: {