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/danger-button.blade.php

@@ -0,0 +1,3 @@
+<button {{ $attributes->merge(['type' => 'submit', 'class' => 'inline-flex items-center px-4 py-2 bg-danger-fill border border-transparent rounded-md font-semibold text-xs text-white uppercase tracking-widest hover:opacity-90 active:opacity-80 focus:outline-none focus-visible:ring-2 focus-visible:ring-danger focus-visible:ring-offset-2 focus-visible:ring-offset-surface transition ease-in-out duration-150']) }}>
+    {{ $slot }}
+</button>