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/loupe/lib/index.d.ts

@@ -0,0 +1,7 @@
+import type { Inspect, Options } from './types.js';
+export declare function inspect(value: unknown, opts?: Partial<Options>): string;
+export declare function registerConstructor(constructor: Function, inspector: Inspect): boolean;
+export declare function registerStringTag(stringTag: string, inspector: Inspect): boolean;
+export declare const custom: string | symbol;
+export default inspect;
+//# sourceMappingURL=index.d.ts.map