feat: Reinitialize frontend with SvelteKit and TypeScript

- Delete old Vite+Svelte frontend
- Initialize new SvelteKit project with TypeScript
- Configure Tailwind CSS v4 + DaisyUI
- Implement JWT authentication with auto-refresh
- Create login page with form validation (Zod)
- Add protected route guards
- Update Docker configuration for single-stage build
- Add E2E tests with Playwright (6/11 passing)
- Fix Svelte 5 reactivity with $state() runes

Known issues:
- 5 E2E tests failing (timing/async issues)
- Token refresh implementation needs debugging
- Validation error display timing

frontend/node_modules/libphonenumber-js/es6/helpers/applyInternationalSeparatorStyle.test.js

@@ -0,0 +1,8 @@
+import applyInternationalSeparatorStyle from './applyInternationalSeparatorStyle.js';
+describe('applyInternationalSeparatorStyle', function () {
+  it('should change Google\'s international format style', function () {
+    expect(applyInternationalSeparatorStyle('(xxx) xxx-xx-xx')).to.equal('xxx xxx xx xx');
+    expect(applyInternationalSeparatorStyle('(xxx)xxx')).to.equal('xxx xxx');
+  });
+});
+//# sourceMappingURL=applyInternationalSeparatorStyle.test.js.map