feat: add City10 platform with Laravel 13, AI agents, 3D viewer, and LGPD compliance

Initial commit of the complete City10 virtual city simulation platform.

Backend (Laravel 13):
- REST API with Sanctum tokens and session-based web authentication
- Role-based access control (admin/user) with middleware protection
- AI agent CRUD with OpenRouter.ai integration restricted to free models
- Store management with 3D coordinates and AI shopkeeper assignment
- Versioned legal documents (Terms, Privacy, Cookies) with LGPD audit trail
- Math CAPTCHA on public forms and multi-language support (pt_BR, en, es)

Frontend:
- Responsive Blade templates with Tailwind CSS v4
- Three.js 3D city viewer with SSE chat streaming to AI agents
- Admin panel for store and user administration

Infrastructure:
- MariaDB/MySQL database with comprehensive migrations
- Database seeders for demo content and test accounts
- PHPUnit test suite and Laravel Pint code styling
- Vite build configuration with hot reload

app/Http/Controllers/Web/DashboardController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Controllers\Web;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+/**
+ * Dashboard controller for the authenticated web area.
+ *
+ * Phase 1 renders an overview panel; the full admin console and 3D city
+ * viewer are delivered in subsequent phases.
+ */
+class DashboardController extends Controller
+{
+    /**
+     * Show the user dashboard overview.
+     */
+    public function __invoke(Request $request): View
+    {
+        $user = $request->user();
+
+        return view('dashboard.index', [
+            'user' => $user,
+            'isAdmin' => $user->isAdmin(),
+            'storeCount' => $user->stores()->count(),
+        ]);
+    }
+}