Initial commit: SuiviCPT personal finance tracker

Laravel 11 + Livewire 3/Volt + Alpine.js + Tailwind app for household
budget planning, transaction tracking, and financial dashboards.

- Multi-tenant households with member invites
- Plan: monthly/yearly budget per category with overrides
- Suivi: transaction log with running balance (desktop + mobile quick-entry)
- Dashboard: budget vs tracked breakdown + Chart.js donuts
- Flux: Sankey diagram of income allocation
- WCAG 2.1 AA color tokens, dark mode, accessible tables/forms
- 50 Pest tests

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

tests/Feature/Auth/RegistrationTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Tests\Feature\Auth;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Livewire\Volt\Volt;
+use Tests\TestCase;
+
+class RegistrationTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_registration_screen_can_be_rendered(): void
+    {
+        $response = $this->get('/register');
+
+        $response
+            ->assertOk()
+            ->assertSeeVolt('pages.auth.register');
+    }
+
+    public function test_new_users_can_register(): void
+    {
+        $component = Volt::test('pages.auth.register')
+            ->set('name', 'Test User')
+            ->set('email', 'test@example.com')
+            ->set('password', 'password')
+            ->set('password_confirmation', 'password');
+
+        $component->call('register');
+
+        $component->assertRedirect(route('dashboard', absolute: false));
+
+        $this->assertAuthenticated();
+    }
+}