phase 8 and 9

app/Mail/AlertTriggered.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Mail;
+
+use App\Models\Alert;
+use App\Models\AlertNotification;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\SerializesModels;
+
+class AlertTriggered extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    public function __construct(
+        public Alert $alert,
+        public AlertNotification $notification,
+    ) {}
+
+    public function envelope(): Envelope
+    {
+        return new Envelope(
+            subject: "[Alert] {$this->alert->name} — {$this->alert->website->name}",
+        );
+    }
+
+    public function content(): Content
+    {
+        return new Content(
+            markdown: 'emails.alert-triggered',
+        );
+    }
+}