Filament notifications with action buttons

<?php

namespace App\Notifications;

use App\Filament\Resources\Incidents\IncidentResource;
use App\Models\Incident;
use App\Models\User;
use Filament\Actions\Action;
use Filament\Notifications\Notification;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\URL;

class IncidentNotifier
{
    /** Sends to the bell menu of each on-call user, and as a toast to the current user. */
    public static function opened(Incident $incident, Collection $recipients): void
    {
        $notification = Notification::make()
            ->title("Incident: {$incident->title}")
            ->body("Affects {$incident->monitor->name}. Started ".$incident->started_at->diffForHumans().'.')
            ->icon('heroicon-o-exclamation-triangle')
            ->iconColor('danger')
            ->persistent();

        $recipients->each(function (User $user) use ($incident, $notification) {
            // Actions are built per user because the signed link is bound to the incident and the user id.
            $notification->actions([
                Action::make('view')
                    ->label('View incident')
                    ->button()
                    ->url(IncidentResource::getUrl('view', ['record' => $incident]), shouldOpenInNewTab: true)
                    ->markAsRead(),
                Action::make('acknowledge')
                    ->label('Acknowledge')
                    ->color('gray')
                    ->url(URL::temporarySignedRoute(
                        'incidents.acknowledge',
                        now()->addHours(6),
                        ['incident' => $incident, 'user' => $user],
                    ))
                    ->markAsRead(),
            ]);

            $notification->sendToDatabase($user);
        });
    }
}

<?php

namespace App\Http\Controllers;

use App\Models\Incident;
use App\Models\User;
use Filament\Notifications\Notification;
use Illuminate\Http\RedirectResponse;

// routes/web.php:
//   Route::get('/incidents/{incident}/acknowledge/{user}', AcknowledgeIncidentController::class)
//       ->middleware(['auth', 'signed'])->name('incidents.acknowledge');

class AcknowledgeIncidentController extends Controller
{
    public function __invoke(Incident $incident, User $user): RedirectResponse
    {
        // The link was signed for one specific user: nobody else may use it.
        abort_unless(auth()->id() === $user->getKey(), 403);

        // Idempotent: opening the link twice changes nothing the second time.
        $incident->acknowledgedBy()->syncWithoutDetaching([$user->getKey() => ['acknowledged_at' => now()]]);

        Notification::make()->title('Incident acknowledged')->success()->send();

        return redirect()->to(url('/admin'));
    }
}