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

storage/framework/.gitignore

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+compiled.php
+config.php
+down
+events.scanned.php
+lsp-*.php
+maintenance.php
+routes.php
+routes.scanned.php
+schedule-*
+services.json

storage/framework/cache/.gitignore

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+*
+!data/
+!locks/
+!.gitignore

storage/framework/cache/data/.gitignore

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+*
+!.gitignore

storage/framework/cache/locks/.gitignore

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+*
+!.gitignore

storage/framework/sessions/.gitignore

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+*
+!.gitignore

storage/framework/testing/.gitignore

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+*
+!.gitignore

storage/framework/views/.gitignore

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+*
+!.gitignore