feat: L'Ami Fiduciaire V1.0.0 — full codebase with Story 0.1 complete

Initial commit of the L'Ami Fiduciaire SaaS platform built on Laravel 12,
Vue 3, Inertia.js 2, and Tailwind CSS 4.

Story 0.1 (rename folders to declarations in database) is implemented and
code-reviewed: migration, rollback, and 6 Pest tests all passing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Http/Controllers/Settings/TwoFactorAuthenticationController.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Http\Controllers\Settings;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Settings\TwoFactorAuthenticationRequest;
+use Illuminate\Routing\Controllers\HasMiddleware;
+use Illuminate\Routing\Controllers\Middleware;
+use Inertia\Inertia;
+use Inertia\Response;
+use Laravel\Fortify\Features;
+
+class TwoFactorAuthenticationController extends Controller implements HasMiddleware
+{
+    /**
+     * Get the middleware that should be assigned to the controller.
+     */
+    public static function middleware(): array
+    {
+        return Features::optionEnabled(Features::twoFactorAuthentication(), 'confirmPassword')
+            ? [new Middleware('password.confirm', only: ['show'])]
+            : [];
+    }
+
+    /**
+     * Show the user's two-factor authentication settings page.
+     */
+    public function show(TwoFactorAuthenticationRequest $request): Response
+    {
+        $request->ensureStateIsValid();
+
+        return Inertia::render('settings/TwoFactor', [
+            'twoFactorEnabled' => $request->user()->hasEnabledTwoFactorAuthentication(),
+            'requiresConfirmation' => Features::optionEnabled(Features::twoFactorAuthentication(), 'confirm'),
+        ]);
+    }
+}