snapshot: preserve integrations controls and status UX cleanup

backend/workflows/forms.py

@@ -1,9 +1,11 @@
 from django import forms
 from pathlib import Path
-from django.utils.translation import get_language
+from datetime import timedelta
+from django.utils import timezone
+from django.utils.translation import get_language, gettext as _
 
 from .form_builder import apply_form_field_config
-from .models import EmployeeProfile, FormOption, OffboardingRequest, OnboardingRequest
+from .models import EmployeeProfile, FormOption, OffboardingRequest, OnboardingRequest, WorkflowConfig
 
 
 YES_NO_CHOICES = [('', '--'), ('ja', 'Ja'), ('nein', 'Nein')]
@@ -222,6 +224,11 @@ class OnboardingRequestForm(forms.ModelForm):
         self.requester_email = (kwargs.pop('requester_email', '') or '').strip().lower()
         super().__init__(*args, **kwargs)
 
+        config = WorkflowConfig.objects.order_by('id').first()
+        self.handover_lead_days = max(0, int(getattr(config, 'device_handover_lead_days', 5) or 5))
+        minimum_handover_date = timezone.localdate() + timedelta(days=self.handover_lead_days)
+        self.fields['handover_date'].widget.attrs['min'] = minimum_handover_date.isoformat()
+
         self.fields['full_name'].label = 'Name'
         full_name_initial = (self.initial.get('full_name') or '').strip()
         if full_name_initial and not self.initial.get('first_name') and not self.initial.get('last_name'):
@@ -322,6 +329,18 @@ class OnboardingRequestForm(forms.ModelForm):
         if has('successor_name') and cleaned.get('successor_required_choice') == 'ja' and not cleaned.get('successor_name'):
             self.add_error('successor_name', 'Bitte Name der Vorgängerperson eintragen.')
 
+        handover_date = cleaned.get('handover_date')
+        if has('handover_date') and handover_date:
+            minimum_date = timezone.localdate() + timedelta(days=getattr(self, 'handover_lead_days', 5))
+            if handover_date < minimum_date:
+                self.add_error(
+                    'handover_date',
+                    _('Das Übergabedatum muss mindestens %(days)s Tage in der Zukunft liegen (frühestens %(date)s).') % {
+                        'days': getattr(self, 'handover_lead_days', 5),
+                        'date': minimum_date.strftime('%Y-%m-%d'),
+                    },
+                )
+
         return cleaned
 
     def save(self, commit=True):