- Reworked the tenant admin login page

- Updated the User model to implement Filament’s tenancy contracts
- Seeded a ready-to-use demo tenant (user, tenant, active package, purchase)
- Introduced a branded, translated 403 error page to replace the generic forbidden message for unauthorised admin hits
- Removed the public “Register” links from the marketing header
- hardened join event logic and improved error handling in the guest pwa.

resources/views/admin.blade.php

@@ -5,6 +5,11 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="csrf-token" content="{{ csrf_token() }}">
     <title>{{ __('admin.shell.tenant_admin_title') }}</title>
+    <link rel="manifest" href="/manifest.json">
+    <meta name="theme-color" content="#f43f5e">
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+    <link rel="apple-touch-icon" href="/apple-touch-icon.png">
     @viteReactRefresh
     @vite('resources/js/admin/main.tsx')
   </head>