chore: format code and fix bundle identifier for v3.0.0 release

- Format all TypeScript/React code with Prettier
- Format all Rust code with cargo fmt
- Fix bundle identifier from .app to .desktop to avoid macOS conflicts
- Prepare codebase for v3.0.0 Tauri release

src/vite-env.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="vite/client" />
 
-import { Provider } from './types';
+import { Provider } from "./types";
 
 interface ImportResult {
   success: boolean;