E-Mail-Praeferenzen: Opt-out je Mail-Typ + One-Click-Unsubscribe ohne Login

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/EmailNotificationOptOut.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\EmailNotificationType;
+use Database\Factories\EmailNotificationOptOutFactory;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * Abbestellter Benachrichtigungs-Mail-Typ eines Users (Opt-out-Register).
+ * Existiert eine Zeile, wird die entsprechende Mail nicht mehr versendet —
+ * geprüft über User::wantsEmailNotification() vor jedem Versand.
+ */
+class EmailNotificationOptOut extends Model
+{
+    /** @use HasFactory<EmailNotificationOptOutFactory> */
+    use HasFactory;
+
+    protected $fillable = [
+        'user_id',
+        'type',
+    ];
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'type' => EmailNotificationType::class,
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}