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/PasswordUpdateTest.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Tests\Feature\Auth;
+
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Hash;
+use Livewire\Volt\Volt;
+use Tests\TestCase;
+
+class PasswordUpdateTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_password_can_be_updated(): void
+    {
+        $user = User::factory()->create();
+
+        $this->actingAs($user);
+
+        $component = Volt::test('profile.update-password-form')
+            ->set('current_password', 'password')
+            ->set('password', 'new-password')
+            ->set('password_confirmation', 'new-password')
+            ->call('updatePassword');
+
+        $component
+            ->assertHasNoErrors()
+            ->assertNoRedirect();
+
+        $this->assertTrue(Hash::check('new-password', $user->refresh()->password));
+    }
+
+    public function test_correct_password_must_be_provided_to_update_password(): void
+    {
+        $user = User::factory()->create();
+
+        $this->actingAs($user);
+
+        $component = Volt::test('profile.update-password-form')
+            ->set('current_password', 'wrong-password')
+            ->set('password', 'new-password')
+            ->set('password_confirmation', 'new-password')
+            ->call('updatePassword');
+
+        $component
+            ->assertHasErrors(['current_password'])
+            ->assertNoRedirect();
+    }
+}