Offer a new share as a QR code and through the share sheet

The share created page gets "Show QR code", a dialog with the link as a
QR code (black on white, full screen on a phone) that downloads as a PNG
drawn in the browser, with a password reminder for protected shares; and
"Share…", which opens the device's share sheet where there is one. Both
carry only the link.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V9NnLxnPp8vaaurb3Z1MFy

app/Livewire/ShareCreated.php

@@ -2,7 +2,9 @@
 
 namespace App\Livewire;
 
+use App\Models\Setting;
 use App\Models\Share;
+use App\Services\QrCodeService;
 use Livewire\Attributes\Layout;
 use Livewire\Component;
 
@@ -18,6 +20,12 @@ class ShareCreated extends Component
 
     public function render(): mixed
     {
-        return view('livewire.share-created');
+        $shareUrl = route('share.download', $this->share);
+
+        return view('livewire.share-created', [
+            'shareUrl' => $shareUrl,
+            'qrCodeSvg' => app(QrCodeService::class)->svg($shareUrl),
+            'siteTitle' => Setting::get('site_title') ?: config('app.name'),
+        ]);
     }
 }