Fix notify initialization and axios access errors

- ContactQRScanShowView: Move notify initialization to created() lifecycle hook
- DIDView: Remove axios getter accessing non-existent platformService.axios
- DIDView: Enhance setVisibility() with proper server API error handling

src/views/ContactQRScanShowView.vue

@@ -213,15 +213,11 @@ export default class ContactQRScanShow extends Vue {
   $router!: Router;
 
   // Notification helper system
-  private notify = createNotifyHelpers(this.$notify);
+  notify!: ReturnType<typeof createNotifyHelpers>;
 
   activeDid = "";
   apiServer = "";
 
-  // Axios instance for API calls
-  get axios() {
-    return (this as any).$platformService.axios;
-  }
   givenName = "";
   hideRegisterPromptOnNewContact = false;
   isRegistered = false;
@@ -288,6 +284,8 @@ export default class ContactQRScanShow extends Vue {
   }
 
   async created() {
+    this.notify = createNotifyHelpers(this.$notify);
+    
     try {
       const settings = await this.$accountSettings();
       this.activeDid = settings.activeDid || "";

src/views/DIDView.vue

@@ -273,6 +273,7 @@ import {
   displayAmount,
   getHeaders,
   register,
+  setVisibilityUtil,
 } from "../libs/endorserServer";
 import * as libsUtil from "../libs/util";
 import EntityIcon from "../components/EntityIcon.vue";
@@ -324,6 +325,7 @@ export default class DIDView extends Vue {
   apiServer = "";
   claims: Array<GenericCredWrapper<GenericVerifiableCredential>> = [];
   contactFromDid?: Contact;
+
   contactYaml = "";
   hitEnd = false;
   isLoading = false;
@@ -722,18 +724,31 @@ export default class DIDView extends Vue {
     visibility: boolean,
     showSuccessAlert: boolean,
   ) {
-    // Update contact visibility using mixin method
-    await this.$updateContact(contact.did, { seesMe: visibility });
+    const result = await setVisibilityUtil(
+      this.activeDid,
+      this.apiServer,
+      this.axios,
+      contact,
+      visibility,
+    );
 
-    if (showSuccessAlert) {
+    if (result.success) {
+      if (showSuccessAlert) {
+        const message =
+          (contact.name || "That user") +
+          " can " +
+          (visibility ? "" : "not ") +
+          "see your activity.";
+        this.notify.success(message, TIMEOUTS.SHORT);
+      }
+      return true;
+    } else {
+      logger.error("Got strange result from setting visibility:", result);
       const message =
-        (contact.name || "That user") +
-        " can " +
-        (visibility ? "" : "not ") +
-        "see your activity.";
-      this.notify.success(message, TIMEOUTS.SHORT);
+        (result.error as string) || "Could not set visibility on the server.";
+      this.notify.error(message, TIMEOUTS.LONG);
+      return false;
     }
-    return true;
   }
 
   /**