seo: add meta description and canonical link to layout

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: ikidnapmyself

resources/views/layout.blade.php

@@ -5,6 +5,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="csrf-token" content="{{ csrf_token() }}">
     <title>{{ config('app.name') }}</title>
+    <meta name="description" content="@yield('meta-description', config('app.name'))">
+    <link rel="canonical" href="{{ url()->current() }}">
     @vite(['resources/css/app.css', 'resources/js/app.js'])
     @yield('page-data')
     <script>window.__AUTH__ = @json(auth()->user()?->only(['id', 'name', 'email']));</script>

resources/views/welcome.blade.php

@@ -1,5 +1,7 @@
 @extends('layout')
 
+@section('meta-description', config('app.name').' — real-time messaging threads for teams')
+
 @section('page-data')
     <script>
         window.__PAGE__ = 'Welcome';

tests/Feature/FrontEndTest.php

@@ -21,6 +21,8 @@ public function test_page_controller_index_method()
 
         $response->assertOk();
         $response->assertSee(Config::string('app.name'));
+        $response->assertSee('<meta name="description" content="', false);
+        $response->assertSee('<link rel="canonical" href="'.url('/').'">', false);
     }
 
     public function test_dashboard_shows_real_unread_counts_and_participant_ids(): void