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>

resources/views/components/action-message.blade.php

@@ -0,0 +1,10 @@
+@props(['on'])
+
+<div x-data="{ shown: false, timeout: null }"
+     x-init="@this.on('{{ $on }}', () => { clearTimeout(timeout); shown = true; timeout = setTimeout(() => { shown = false }, 2000); })"
+     x-show.transition.out.opacity.duration.1500ms="shown"
+     x-transition:leave.opacity.duration.1500ms
+     style="display: none;"
+    {{ $attributes->merge(['class' => 'text-sm text-text-muted']) }}>
+    {{ $slot->isEmpty() ? __('Saved.') : $slot }}
+</div>