diff --git a/config/backup.php b/config/backup.php
new file mode 100644
index 0000000..add6945
--- /dev/null
+++ b/config/backup.php
@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'default_cron' => '0 3 * * *',
+    'local_path' => '/var/backups/mailwolt',
+    'compression' => 'zstd',
+    'retention' => '7',
+];
diff --git a/database/seeders/SystemBackupSeeder.php b/database/seeders/SystemBackupSeeder.php
index d5e9a30..ccbcc57 100644
--- a/database/seeders/SystemBackupSeeder.php
+++ b/database/seeders/SystemBackupSeeder.php
@@ -9,63 +9,50 @@ use App\Models\BackupPolicy;
 
 class SystemBackupSeeder extends Seeder
 {
-    /**
-     * Mappe einfache Intervalle auf Cron (Fallback, falls kein explizites Cron gesetzt ist)
-     */
-    protected function intervalToCron(string $interval): string
-    {
-        return match (Str::lower($interval)) {
-            'daily'   => '0 3 * * *',    // täglich 03:00
-            'weekly'  => '0 3 * * 0',    // sonntags 03:00
-            'monthly' => '0 3 1 * *',    // am 1. 03:00
-            default   => '0 3 * * *',
-        };
-    }
-
     public function run(): void
     {
-        // --- Basiskonfiguration aus .env (kannst du im Installer befüllen)
-        $enabled          = (bool) env('BACKUP_ENABLED', false);
-        $interval         = (string) env('BACKUP_INTERVAL', 'daily');
-        $cron             = (string) (env('BACKUP_DEFAULT_CRON') ?: $this->intervalToCron($interval));
+        // Defaults kommen jetzt aus config/backup.php
+        $enabled        = false; // UI schaltet das später; Standard: aus
+        $cron           = (string) config('backup.default_cron', '0 3 * * *');
+        $targetType     = 'local';
+        $targetPath     = (string) config('backup.local_path', '/var/backups/mailwolt');
+        $retentionCount = (int) config('backup.retention', 7);
 
-        $targetType       = (string) env('BACKUP_TARGET_TYPE', 'local');  // local|s3
-        $targetPath       = (string) env('BACKUP_DIR', '/var/backups/mailwolt');
-        $retentionCount   = (int)    env('BACKUP_RETENTION_COUNT', 7);
+        // Falls du optional per ENV überschreiben willst (nicht nötig, aber möglich):
+        $cron           = env('BACKUP_DEFAULT_CRON', $cron);
+        $targetPath     = env('BACKUP_DIR', $targetPath);
+        $retentionCount = (int) env('BACKUP_RETENTION_COUNT', $retentionCount);
+        $targetType     = Str::lower(env('BACKUP_TARGET_TYPE', $targetType)) === 's3' ? 's3' : 'local';
 
-        // --- optionale S3/MinIO-Angaben
+        // optionale S3/MinIO-Parameter (nur wenn target_type = s3)
         $s3Bucket   = env('BACKUP_S3_BUCKET');
         $s3Region   = env('BACKUP_S3_REGION');
         $s3Endpoint = env('BACKUP_S3_ENDPOINT');
         $s3Key      = env('BACKUP_S3_KEY');
         $s3Secret   = env('BACKUP_S3_SECRET');
 
-        // Bestehende „Standard“-Policy aktualisieren oder anlegen
         $policy = BackupPolicy::query()->firstOrCreate(
             ['name' => 'Standard'],
-            ['enabled' => false] // wird unten überschrieben; sorgt nur für Existenz
+            ['enabled' => false]
         );
 
         $payload = [
             'enabled'         => $enabled,
             'schedule_cron'   => $cron,
-            'target_type'     => $targetType,     // 'local' oder 's3'
-            'target_path'     => $targetPath,     // bei local: Verzeichnis
+            'target_type'     => $targetType,      // 'local' | 's3'
+            'target_path'     => $targetPath,      // bei local: Verzeichnis
             'retention_count' => $retentionCount,
         ];
 
-        // S3-Felder nur setzen, wenn Ziel = s3
-        if (Str::lower($targetType) === 's3') {
+        if ($targetType === 's3') {
             $payload = array_merge($payload, [
                 's3_bucket'     => $s3Bucket,
                 's3_region'     => $s3Region,
                 's3_endpoint'   => $s3Endpoint,
-                // Schlüssel nur speichern, wenn vorhanden – verschlüsselt
                 's3_key_enc'    => $s3Key    ? Crypt::encryptString($s3Key)    : $policy->s3_key_enc,
                 's3_secret_enc' => $s3Secret ? Crypt::encryptString($s3Secret) : $policy->s3_secret_enc,
             ]);
         } else {
-            // lokales Ziel: S3-Felder leeren
             $payload = array_merge($payload, [
                 's3_bucket'     => null,
                 's3_region'     => null,