Add sports-match type, device tracking, profile visits, and share refactor

- New SportsMatch model/controller and sports UI components/modal
- Move share-modal to a reusable x-share-modal/x-share-button component
- Add VideoSharedWithUser notification and share-to-members flow
- Device/user-agent tracking on views, downloads, share accesses
- ProfileVisit model + migration; subscription source tracking
- Email thumbnail support; remove stale TODO files

resources/views/playlists/show.blade.php

@@ -2,6 +2,34 @@
 
 @section('title', $playlist->name . ' | ' . config('app.name'))
 
+@push('head')
+@php
+    $plDesc = trim($playlist->description ?? '');
+    if ($plDesc === '') {
+        $plDesc = $playlist->video_count . ' videos' . ($playlist->user ? ' • by ' . $playlist->user->name : '');
+    }
+    $plShareUrl = route('playlists.showByToken', $playlist->share_token);
+    // Use the dedicated OG endpoint so previews always get a 1200x630 JPG under the
+    // size/format limits of WhatsApp/Telegram/Discord/etc.
+    $plOgImage = route('playlists.ogImage', $playlist);
+@endphp
+<meta property="og:title"            content="{{ $playlist->name }}">
+<meta property="og:description"      content="{{ Str::limit(strip_tags($plDesc), 200) }}">
+<meta property="og:image"            content="{{ $plOgImage }}">
+<meta property="og:image:secure_url" content="{{ $plOgImage }}">
+<meta property="og:image:type"       content="image/jpeg">
+<meta property="og:image:width"      content="1200">
+<meta property="og:image:height"     content="630">
+<meta property="og:image:alt"        content="{{ $playlist->name }}">
+<meta property="og:url"              content="{{ $plShareUrl }}">
+<meta property="og:type"             content="music.playlist">
+<meta property="og:site_name"        content="{{ config('app.name') }}">
+<meta name="twitter:card"            content="summary_large_image">
+<meta name="twitter:title"           content="{{ $playlist->name }}">
+<meta name="twitter:description"     content="{{ Str::limit(strip_tags($plDesc), 200) }}">
+<meta name="twitter:image"           content="{{ $plOgImage }}">
+@endpush
+
 @section('extra_styles')
 <style>
 /* ══════════════════════════════════════════════