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/OfferDetailsView.vue

@@ -181,7 +181,6 @@ import { RouteLocationNormalizedLoaded, Router } from "vue-router";
 import QuickNav from "../components/QuickNav.vue";
 import TopMessage from "../components/TopMessage.vue";
 import { NotificationIface } from "../constants/app";
-import { db, retrieveSettingsForActiveAccount } from "../db/index";
 import { GenericCredWrapper, OfferClaim } from "../interfaces";
 import {
   createAndSubmitOffer,
@@ -314,7 +313,9 @@ export default class OfferDetailsView extends Vue {
           group: "alert",
           type: "danger",
           title: "Error",
-          text: err.message || "There was an error loading the offer details.",
+          text:
+            (err as Error)?.message ||
+            "There was an error loading the offer details.",
         },
         5000,
       );