Fix duplicate export declarations and migrate ContactsView with sub-components

- Remove duplicate NOTIFY_INVITE_MISSING and NOTIFY_INVITE_PROCESSING_ERROR exports
- Update InviteOneAcceptView.vue to use correct NOTIFY_INVITE_TRUNCATED_DATA constant
- Migrate ContactsView to PlatformServiceMixin and extract into modular sub-components
- Resolves TypeScript compilation errors preventing web build

src/main.capacitor.ts

@@ -72,7 +72,8 @@ const handleDeepLink = async (data: { url: string }) => {
     await deepLinkHandler.handleDeepLink(data.url);
   } catch (error) {
     logger.error("[DeepLink] Error handling deep link: ", error);
-    let message: string = error instanceof Error ? error.message : safeStringify(error);
+    let message: string =
+      error instanceof Error ? error.message : safeStringify(error);
     if (data.url) {
       message += `\nURL: ${data.url}`;
     }