Migrate test/index.ts to use dynamic database imports

Replace static databaseUtil import with dynamic import pattern for test context.
Add comprehensive JSDoc documentation and improve code formatting.
Maintains functionality while removing static dependency.

src/views/ContactsView.vue

@@ -365,8 +365,6 @@ import TopMessage from "../components/TopMessage.vue";
 import { APP_SERVER, AppString, NotificationIface } from "../constants/app";
 import { logConsoleAndDb } from "../db/index";
 import { Contact } from "../db/tables/contacts";
-// No longer needed - using PlatformServiceMixin methods
-// import * as databaseUtil from "../db/databaseUtil";
 import { getContactJwtFromJwtUrl } from "../libs/crypto";
 import { decodeEndorserJwt } from "../libs/crypto/vc";
 import {
@@ -475,7 +473,6 @@ export default class ContactsView extends Vue {
   public async created() {
     this.notify = createNotifyHelpers(this.$notify);
 
-    // Replace databaseUtil.retrieveSettingsForActiveAccount() with mixin method
     const settings = await this.$accountSettings();
     this.activeDid = settings.activeDid || "";
     this.apiServer = settings.apiServer || "";
@@ -544,7 +541,6 @@ export default class ContactsView extends Vue {
         if (response.status != 201) {
           throw { error: { response: response } };
         }
-        // Replace databaseUtil.updateDidSpecificSettings with mixin method
         await this.$saveUserSettings(this.activeDid, { isRegistered: true });
         this.isRegistered = true;
         this.notify.success(NOTIFY_INVITE_REGISTRATION_SUCCESS.message);
@@ -900,7 +896,6 @@ export default class ContactsView extends Vue {
                 text: "Do you want to register them?",
                 onCancel: async (stopAsking?: boolean) => {
                   if (stopAsking) {
-                    // Replace databaseUtil.updateDefaultSettings with mixin method
                     await this.$saveSettings({
                       hideRegisterPromptOnNewContact: stopAsking,
                     });
@@ -909,7 +904,6 @@ export default class ContactsView extends Vue {
                 },
                 onNo: async (stopAsking?: boolean) => {
                   if (stopAsking) {
-                    // Replace databaseUtil.updateDefaultSettings with mixin method
                     await this.$saveSettings({
                       hideRegisterPromptOnNewContact: stopAsking,
                     });
@@ -1128,7 +1122,6 @@ export default class ContactsView extends Vue {
   private async toggleShowContactAmounts() {
     const newShowValue = !this.showGiveNumbers;
     try {
-      // Replace databaseUtil.updateDefaultSettings with mixin method
       await this.$saveSettings({
         showContactGivesInline: newShowValue,
       });