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

app/Notifications/VideoSharedWithUser.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Models\User;
+use App\Models\Video;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class VideoSharedWithUser extends Notification
+{
+    public function __construct(
+        public Video $video,
+        public User $sharer,
+        public ?string $message,
+        public string $shareUrl,
+    ) {}
+
+    /**
+     * A direct, person-to-person share is transactional — always deliver both
+     * the in-app notification and the email (not gated by subscription prefs).
+     */
+    public function via(object $notifiable): array
+    {
+        return ['database', 'mail'];
+    }
+
+    public function toArray(object $notifiable): array
+    {
+        return [
+            'type'            => 'video_shared',
+            'video_id'        => $this->video->id,
+            'video_route_key' => $this->video->getRouteKey(),
+            'video_title'     => $this->video->title,
+            'video_thumbnail' => $this->video->thumbnail,
+            'actor_id'        => $this->sharer->id,
+            'actor_name'      => $this->sharer->name,
+            'actor_avatar'    => $this->sharer->avatar_url,
+            'message'         => $this->message,
+        ];
+    }
+
+    public function toMail(object $notifiable): MailMessage
+    {
+        $isSong = $this->video->isAudioOnly() || $this->video->type === 'music';
+        $noun   = $isSong ? 'song' : ($this->video->type === 'match' ? 'match' : 'video');
+
+        return (new MailMessage)
+            ->subject($this->sharer->name . ' shared a ' . $noun . ' with you')
+            ->view('emails.video-shared', [
+                'video'           => $this->video,
+                'sender'          => $this->sharer,
+                'shareUrl'        => $this->shareUrl,
+                'personalMessage' => $this->message,
+                'shareTitle'      => $this->video->title,
+            ]);
+    }
+}