refactor: remove deprecated lastName field from user settings

- Remove lastName field from $saveUserSettings and $saveSettings calls
- Clean up deprecated pre v0.1.3 code

src/components/UserNameDialog.vue

@@ -84,7 +84,8 @@ export default class UserNameDialog extends Vue {
    */
   async open(aCallback?: (name?: string) => void) {
     this.callback = aCallback || this.callback;
-    const settings = await this.$settings();
+    // Load from account-specific settings instead of master settings
+    const settings = await this.$accountSettings();
     this.givenName = settings.firstName || "";
     this.visible = true;
   }
@@ -95,7 +96,18 @@ export default class UserNameDialog extends Vue {
    */
   async onClickSaveChanges() {
     try {
-      await this.$updateSettings({ firstName: this.givenName });
+      // Get the current active DID to save to user-specific settings
+      const settings = await this.$accountSettings();
+      const activeDid = settings.activeDid;
+
+      if (activeDid) {
+        // Save to user-specific settings for the current identity
+        await this.$saveUserSettings(activeDid, { firstName: this.givenName });
+      } else {
+        // Fallback to master settings if no active DID
+        await this.$saveSettings({ firstName: this.givenName });
+      }
+
       this.visible = false;
       this.callback(this.givenName);
     } catch (error) {

src/views/NewEditAccountView.vue

@@ -110,10 +110,22 @@ export default class NewEditAccountView extends Vue {
    * @async
    */
   async onClickSaveChanges() {
-    await this.$updateSettings({
+    // Get the current active DID to save to user-specific settings
+    const settings = await this.$accountSettings();
+    const activeDid = settings.activeDid;
+
+    if (activeDid) {
+      // Save to user-specific settings for the current identity
+      await this.$saveUserSettings(activeDid, {
         firstName: this.givenName,
-      lastName: "", // deprecated, pre v 0.1.3
       });
+    } else {
+      // Fallback to master settings if no active DID
+      await this.$saveSettings({
+        firstName: this.givenName,
+      });
+    }
+
     this.$router.back();
   }