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

backend/database/seeders/RoleSeeder.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\DB;
+
+class RoleSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        $roles = [
+            [
+                'name' => 'Frontend Dev',
+                'description' => 'Frontend Developer - specializes in UI/UX and client-side development',
+            ],
+            [
+                'name' => 'Backend Dev',
+                'description' => 'Backend Developer - specializes in server-side logic and APIs',
+            ],
+            [
+                'name' => 'QA',
+                'description' => 'Quality Assurance - tests software and ensures quality standards',
+            ],
+            [
+                'name' => 'DevOps',
+                'description' => 'DevOps Engineer - manages infrastructure, CI/CD, and deployments',
+            ],
+            [
+                'name' => 'UX',
+                'description' => 'UX Designer - designs user experiences and interfaces',
+            ],
+            [
+                'name' => 'PM',
+                'description' => 'Project Manager - manages projects, timelines, and client communication',
+            ],
+            [
+                'name' => 'Architect',
+                'description' => 'Solution Architect - designs system architecture and technical solutions',
+            ],
+        ];
+
+        foreach ($roles as $role) {
+            DB::table('roles')->updateOrInsert(
+                ['name' => $role['name']],
+                $role
+            );
+        }
+    }
+}