snapshot: preserve backup UX, remote target setup, and docs updates

backend/workflows/migrations/0035_workflowconfig_remote_backup_enabled_and_more.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.1.5 on 2026-03-26 00:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('workflows', '0034_workflowconfig_device_handover_lead_days'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='workflowconfig',
+            name='remote_backup_enabled',
+            field=models.BooleanField(default=False, verbose_name='Remote Backup aktiviert'),
+        ),
+        migrations.AddField(
+            model_name='workflowconfig',
+            name='remote_backup_nextcloud_directory',
+            field=models.CharField(blank=True, max_length=255, verbose_name='Nextcloud Backup-Verzeichnis'),
+        ),
+        migrations.AddField(
+            model_name='workflowconfig',
+            name='remote_backup_nfs_path',
+            field=models.CharField(blank=True, max_length=255, verbose_name='NFS Pfad (optional)'),
+        ),
+        migrations.AddField(
+            model_name='workflowconfig',
+            name='remote_backup_s3_bucket',
+            field=models.CharField(blank=True, max_length=255, verbose_name='S3 Bucket (optional)'),
+        ),
+        migrations.AddField(
+            model_name='workflowconfig',
+            name='remote_backup_target_type',
+            field=models.CharField(choices=[('nextcloud', 'Nextcloud'), ('s3', 'S3'), ('nfs', 'NFS')], default='nextcloud', max_length=20, verbose_name='Remote Backup Zieltyp'),
+        ),
+    ]