snapshot: preserve role-aware notification preferences and operational alerts

PRODUCTIZATION_ROADMAP.md

@@ -79,7 +79,7 @@ Snapshot commit:
 
 ### Phase 1. Product Core Standardization
 
-Status: next
+Status: completed
 
 Purpose:
 
@@ -117,8 +117,18 @@ Deliverables:
    - branding flow
    - PDF/letterhead override behavior
 
+Delivered:
+
+- generic branding model and management UI
+- shared branding context across shell/auth/pages
+- configurable favicon, logo, sender display, footer/legal text, and PDF letterhead
+- company-domain-driven email defaults and validation
+- platform vs company admin separation for product-level controls
+
 ### Phase 2. App Registry and Navigation
 
+Status: completed
+
 Purpose:
 
 - stop hardcoding app cards and app visibility in the homepage template
@@ -129,9 +139,13 @@ Deliverables:
 - title / subtitle / icon / route / required capability / enabled flag
 - homepage and navigation driven by registry data
 - ability to enable/disable apps per deployment
+- role-based app visibility and section grouping
+- drag-and-drop ordering with filter-safe behavior
 
 ### Phase 3. Trial Mode Lifecycle
 
+Status: completed
+
 Purpose:
 
 - allow limited-time test environments for demos and sales
@@ -145,9 +159,18 @@ Deliverables:
 - cleanup command / scheduled deletion
 - DB/media cleanup policy
 
+Delivered:
+
+- platform-only trial management UI
+- shared trial banner and expiry enforcement
+- integration restriction during trial mode
+- cleanup/verification management commands
+
 ### Phase 4. New Business Apps
 
-Only start after phases 1-3 are stable.
+Status: next
+
+Only start after phases 1-3 are stable and the workflow regression suite is green.
 
 Candidate apps:
 
@@ -191,22 +214,21 @@ These should move into configuration progressively, not all at once in one risky
 
 ## Immediate Next Slice
 
-Implement first:
+Implement next:
 
-1. `PortalBranding` model
-2. branding management page
-3. shared branding context processor
-4. replace header/logo/title references on:
-   - home
-   - shared header
-   - login/auth pages
-5. make PDF letterhead configurable
+1. restore and keep green the onboarding/offboarding regression suite
+2. extend dynamic onboarding configuration:
+   - field visibility
+   - section visibility
+   - guarded required/optional controls
+3. remove remaining hardcoded customer/product leakage from docs, fixtures, and fallback assets
+4. continue security and observability hardening before the next business app
 
-This is the first productization slice because it gives:
+This is the next productization slice because it gives:
 
-- generic portal identity
-- customer-specific configurability
-- a cleaner base for every future app
+- reliable core workflow behavior
+- safer deployment-neutral product defaults
+- a configurable onboarding experience for future customers
 
 ## Guardrails
 

backend/config/urls.py

@@ -4,16 +4,18 @@ from django.contrib import admin
 from django.contrib.auth import views as auth_views
 from django.urls import include, path
 
-from workflows.forms import AppAuthenticationForm, AppPasswordChangeForm, AppPasswordResetForm, AppSetPasswordForm
+from workflows.forms import AppPasswordChangeForm, AppPasswordResetForm, AppSetPasswordForm
+from workflows import views as workflow_views
 
 urlpatterns = [
     path('admin/', admin.site.urls),
     path('i18n/', include('django.conf.urls.i18n')),
     path(
         'accounts/login/',
-        auth_views.LoginView.as_view(template_name='workflows/auth/login.html', authentication_form=AppAuthenticationForm),
+        workflow_views.login_page,
         name='login',
     ),
+    path('accounts/login/totp/', workflow_views.login_totp_page, name='login_totp'),
     path(
         'accounts/logout/',
         auth_views.LogoutView.as_view(),

backend/workflows/context_processors.py

@@ -1,4 +1,5 @@
 from .branding import get_branding_context, get_trial_context
+from .models import UserNotification
 from .roles import template_role_context
 
 
@@ -6,4 +7,15 @@ def role_context(request):
     context = template_role_context(getattr(request, 'user', None))
     context.update(get_branding_context())
     context.update(get_trial_context())
+    user = getattr(request, 'user', None)
+    if getattr(user, 'is_authenticated', False):
+        notifications = list(UserNotification.objects.filter(user=user).order_by('-created_at')[:8])
+        context.update(
+            {
+                'header_notifications': notifications,
+                'header_unread_notification_count': UserNotification.objects.filter(user=user, read_at__isnull=True).count(),
+            }
+        )
+    else:
+        context.update({'header_notifications': [], 'header_unread_notification_count': 0})
     return context

backend/workflows/forms.py

@@ -1,7 +1,7 @@
 from django import forms
 from pathlib import Path
 from datetime import timedelta
-from django.contrib.auth import get_user_model, password_validation
+from django.contrib.auth import authenticate, get_user_model, password_validation
 from django.contrib.auth.forms import AuthenticationForm, PasswordChangeForm, PasswordResetForm, SetPasswordForm
 from django.core.exceptions import ValidationError
 from django.utils import timezone
@@ -10,7 +10,7 @@ from django.utils.translation import get_language, gettext as _, gettext_lazy
 from .branding import get_company_email_domain
 from .form_builder import apply_form_field_config
 from .models import EmployeeProfile, FormOption, OffboardingRequest, OnboardingRequest, PortalBranding, PortalCompanyConfig, PortalTrialConfig, UserProfile, WorkflowConfig
-from .roles import ROLE_ADMIN, ROLE_GROUP_NAMES, ROLE_IT_STAFF, ROLE_LABELS, ROLE_PLATFORM_OWNER, ROLE_STAFF, ROLE_SUPER_ADMIN, assign_user_role
+from .roles import ROLE_ADMIN, ROLE_GROUP_NAMES, ROLE_IT_STAFF, ROLE_LABELS, ROLE_PLATFORM_OWNER, ROLE_STAFF, ROLE_SUPER_ADMIN, assign_user_role, user_has_capability
 from .totp import normalize_recovery_code, normalize_totp_token, verify_totp_token
 
 
@@ -102,9 +102,41 @@ HARDWARE_EXTRA_CHOICES = [('Smartphone', 'Smartphone'), ('Anderes', 'Anderes')]
 SOFTWARE_EXTRA_CHOICES = [('Adobe Acrobat Pro (Abonnement: Zusätzliche Kosten)', 'Adobe Acrobat Pro (Abonnement: Zusätzliche Kosten)'), ('Anderes', 'Anderes')]
 
 
-class AppAuthenticationForm(AuthenticationForm):
+class AppLoginForm(forms.Form):
     username = forms.CharField(label=gettext_lazy('Benutzername'))
-    password = forms.CharField(label=gettext_lazy('Passwort'), strip=False, widget=forms.PasswordInput(attrs={'autocomplete': 'current-password'}))
+    password = forms.CharField(
+        label=gettext_lazy('Passwort'),
+        strip=False,
+        widget=forms.PasswordInput(attrs={'autocomplete': 'current-password'}),
+    )
+
+    error_messages = {
+        'invalid_login': gettext_lazy('Benutzername oder Passwort sind nicht korrekt.'),
+        'inactive': gettext_lazy('Dieses Konto ist deaktiviert.'),
+    }
+
+    def __init__(self, request=None, *args, **kwargs):
+        self.request = request
+        self.user_cache = None
+        super().__init__(*args, **kwargs)
+
+    def clean(self):
+        cleaned_data = super().clean()
+        username = cleaned_data.get('username')
+        password = cleaned_data.get('password')
+        if username and password:
+            self.user_cache = authenticate(self.request, username=username, password=password)
+            if self.user_cache is None:
+                raise ValidationError(self.error_messages['invalid_login'], code='invalid_login')
+            if not self.user_cache.is_active:
+                raise ValidationError(self.error_messages['inactive'], code='inactive')
+        return cleaned_data
+
+    def get_user(self):
+        return self.user_cache
+
+
+class AppTOTPChallengeForm(forms.Form):
     otp_code = forms.CharField(
         label=gettext_lazy('TOTP-Code'),
         required=False,
@@ -119,37 +151,30 @@ class AppAuthenticationForm(AuthenticationForm):
     )
 
     error_messages = {
-        **AuthenticationForm.error_messages,
         'invalid_otp': gettext_lazy('Der TOTP-Code ist ungültig.'),
         'missing_otp': gettext_lazy('Bitte geben Sie Ihren TOTP-Code ein.'),
     }
 
+    def __init__(self, *args, profile=None, **kwargs):
+        self.profile = profile
+        super().__init__(*args, **kwargs)
+
     def clean(self):
         cleaned_data = super().clean()
-        user = self.get_user()
-        if not user:
+        profile = self.profile
+        if not profile or not profile.totp_enabled:
             return cleaned_data
-        profile, _ = UserProfile.objects.get_or_create(user=user)
-        if profile.totp_enabled:
-            otp_code = normalize_totp_token(cleaned_data.get('otp_code'))
-            recovery_code = normalize_recovery_code(cleaned_data.get('recovery_code'))
-            if recovery_code:
-                if not profile.consume_recovery_code(recovery_code):
-                    raise ValidationError(
-                        self.error_messages['invalid_otp'],
-                        code='invalid_otp',
-                    )
-                return cleaned_data
-            if not otp_code:
-                raise ValidationError(
-                    self.error_messages['missing_otp'],
-                    code='missing_otp',
-                )
-            if not profile.totp_secret or not verify_totp_token(profile.totp_secret, otp_code, for_time=int(timezone.now().timestamp())):
-                raise ValidationError(
-                    self.error_messages['invalid_otp'],
-                    code='invalid_otp',
-                )
+
+        otp_code = normalize_totp_token(cleaned_data.get('otp_code'))
+        recovery_code = normalize_recovery_code(cleaned_data.get('recovery_code'))
+        if recovery_code:
+            if not profile.consume_recovery_code(recovery_code):
+                raise ValidationError(self.error_messages['invalid_otp'], code='invalid_otp')
+            return cleaned_data
+        if not otp_code:
+            raise ValidationError(self.error_messages['missing_otp'], code='missing_otp')
+        if not profile.totp_secret or not verify_totp_token(profile.totp_secret, otp_code, for_time=int(timezone.now().timestamp())):
+            raise ValidationError(self.error_messages['invalid_otp'], code='invalid_otp')
         return cleaned_data
 
 
@@ -307,18 +332,6 @@ class AccountTOTPDisableForm(forms.Form):
         strip=False,
         widget=forms.PasswordInput(attrs={'autocomplete': 'current-password'}),
     )
-    verification_code = forms.CharField(
-        label=gettext_lazy('TOTP-Code'),
-        max_length=12,
-        required=False,
-        widget=forms.TextInput(attrs={'autocomplete': 'one-time-code', 'inputmode': 'numeric'}),
-    )
-    recovery_code = forms.CharField(
-        label=gettext_lazy('Recovery-Code'),
-        max_length=32,
-        required=False,
-        widget=forms.TextInput(attrs={'autocomplete': 'one-time-code'}),
-    )
 
     def __init__(self, *args, user=None, profile=None, **kwargs):
         super().__init__(*args, **kwargs)
@@ -333,26 +346,12 @@ class AccountTOTPDisableForm(forms.Form):
 
     def clean(self):
         cleaned_data = super().clean()
-        code = normalize_totp_token(cleaned_data.get('verification_code'))
-        recovery_code = normalize_recovery_code(cleaned_data.get('recovery_code'))
-        if not code and not recovery_code:
-            raise ValidationError(_('Bitte geben Sie einen gültigen TOTP-Code oder Recovery-Code ein.'))
-        secret = getattr(self.profile, 'totp_secret', '') or ''
-        if code:
-            if not secret or not verify_totp_token(secret, code, for_time=int(timezone.now().timestamp())):
-                raise ValidationError(_('Der TOTP-Code ist ungültig.'))
-            return cleaned_data
-        if not self.profile.consume_recovery_code(recovery_code):
-            raise ValidationError(_('Der Recovery-Code ist ungültig.'))
+        if not self.profile or not self.profile.totp_enabled:
+            raise ValidationError(_('TOTP ist für dieses Konto nicht aktiv.'))
         return cleaned_data
 
 
 class AccountTOTPRegenerateRecoveryCodesForm(forms.Form):
-    current_password = forms.CharField(
-        label=gettext_lazy('Aktuelles Passwort'),
-        strip=False,
-        widget=forms.PasswordInput(attrs={'autocomplete': 'current-password'}),
-    )
     verification_code = forms.CharField(
         label=gettext_lazy('TOTP-Code'),
         max_length=12,
@@ -371,12 +370,6 @@ class AccountTOTPRegenerateRecoveryCodesForm(forms.Form):
         self.user = user
         self.profile = profile
 
-    def clean_current_password(self):
-        password = self.cleaned_data.get('current_password') or ''
-        if not self.user or not self.user.check_password(password):
-            raise ValidationError(_('Das aktuelle Passwort ist nicht korrekt.'))
-        return password
-
     def clean(self):
         cleaned_data = super().clean()
         code = normalize_totp_token(cleaned_data.get('verification_code'))
@@ -393,6 +386,87 @@ class AccountTOTPRegenerateRecoveryCodesForm(forms.Form):
         return cleaned_data
 
 
+class AccountNotificationPreferencesForm(forms.Form):
+    onboarding_success = forms.BooleanField(label=gettext_lazy('Onboarding erfolgreich'), required=False)
+    onboarding_failure = forms.BooleanField(label=gettext_lazy('Onboarding fehlgeschlagen'), required=False)
+    offboarding_success = forms.BooleanField(label=gettext_lazy('Offboarding erfolgreich'), required=False)
+    offboarding_failure = forms.BooleanField(label=gettext_lazy('Offboarding fehlgeschlagen'), required=False)
+    backup_success = forms.BooleanField(label=gettext_lazy('Backup erfolgreich'), required=False)
+    backup_failure = forms.BooleanField(label=gettext_lazy('Backup fehlgeschlagen'), required=False)
+    welcome_email_success = forms.BooleanField(label=gettext_lazy('Welcome E-Mail erfolgreich'), required=False)
+    welcome_email_failure = forms.BooleanField(label=gettext_lazy('Welcome E-Mail fehlgeschlagen'), required=False)
+    trial_alerts = forms.BooleanField(label=gettext_lazy('Trial-Hinweise'), required=False)
+    system_alerts = forms.BooleanField(label=gettext_lazy('System-Hinweise'), required=False)
+
+    FIELD_TO_EVENT = {
+        'onboarding_success': UserProfile.NOTIFICATION_ONBOARDING_SUCCESS,
+        'onboarding_failure': UserProfile.NOTIFICATION_ONBOARDING_FAILURE,
+        'offboarding_success': UserProfile.NOTIFICATION_OFFBOARDING_SUCCESS,
+        'offboarding_failure': UserProfile.NOTIFICATION_OFFBOARDING_FAILURE,
+        'backup_success': UserProfile.NOTIFICATION_BACKUP_SUCCESS,
+        'backup_failure': UserProfile.NOTIFICATION_BACKUP_FAILURE,
+        'welcome_email_success': UserProfile.NOTIFICATION_WELCOME_EMAIL_SUCCESS,
+        'welcome_email_failure': UserProfile.NOTIFICATION_WELCOME_EMAIL_FAILURE,
+        'trial_alerts': UserProfile.NOTIFICATION_TRIAL_ALERTS,
+        'system_alerts': UserProfile.NOTIFICATION_SYSTEM_ALERTS,
+    }
+
+    GROUPS = [
+        ('workflow', gettext_lazy('Workflow'), ['onboarding_success', 'onboarding_failure', 'offboarding_success', 'offboarding_failure']),
+        ('welcome', gettext_lazy('Welcome E-Mail'), ['welcome_email_success', 'welcome_email_failure']),
+        ('operations', gettext_lazy('Operations'), ['backup_success', 'backup_failure', 'system_alerts']),
+        ('platform', gettext_lazy('Platform'), ['trial_alerts']),
+    ]
+
+    def __init__(self, *args, profile=None, user=None, **kwargs):
+        self.profile = profile
+        self.user = user
+        initial = kwargs.setdefault('initial', {})
+        if profile is not None and not args:
+            prefs = profile.get_notification_preferences()
+            for field_name, event_key in self.FIELD_TO_EVENT.items():
+                initial.setdefault(field_name, prefs.get(event_key, True))
+        super().__init__(*args, **kwargs)
+        self.visible_field_names = self._compute_visible_field_names()
+        for field_name in list(self.fields.keys()):
+            if field_name not in self.visible_field_names:
+                self.fields.pop(field_name)
+
+    def _compute_visible_field_names(self) -> list[str]:
+        visible = [
+            'onboarding_success',
+            'onboarding_failure',
+            'offboarding_success',
+            'offboarding_failure',
+            'welcome_email_success',
+            'welcome_email_failure',
+        ]
+        if user_has_capability(self.user, 'manage_backups'):
+            visible.extend(['backup_success', 'backup_failure'])
+        if user_has_capability(self.user, 'manage_integrations'):
+            visible.append('system_alerts')
+        if user_has_capability(self.user, 'manage_trial_lifecycle'):
+            visible.append('trial_alerts')
+        return visible
+
+    def grouped_fields(self):
+        groups = []
+        for key, label, field_names in self.GROUPS:
+            rows = [self[name] for name in field_names if name in self.fields]
+            if rows:
+                groups.append({'key': key, 'label': label, 'fields': rows})
+        return groups
+
+    def save(self):
+        prefs = self.profile.get_notification_preferences()
+        for field_name in self.visible_field_names:
+            event_key = self.FIELD_TO_EVENT[field_name]
+            prefs[event_key] = bool(self.cleaned_data.get(field_name))
+        self.profile.notification_preferences = prefs
+        self.profile.save(update_fields=['notification_preferences', 'updated_at'])
+        return self.profile
+
+
 class UserManagementCreateForm(forms.Form):
     first_name = forms.CharField(label=_('Vorname'), max_length=150, required=False)
     last_name = forms.CharField(label=_('Nachname'), max_length=150, required=False)
@@ -604,7 +678,7 @@ class OnboardingRequestForm(forms.ModelForm):
     department = forms.ChoiceField(label='Abteilung', choices=DEPARTMENT_CHOICES, required=True)
     work_email = forms.EmailField(
         label='Gewünschte dienstliche E-Mail-Adresse',
-        help_text='Bitte nutzen Sie das Format name@tub.co.',
+        help_text='',
     )
     contract_start = forms.DateField(label='Vertragsbeginn', widget=forms.DateInput(attrs={'type': 'date'}))
     employment_type = forms.ChoiceField(label='Beschäftigungsverhältnis', choices=EMPLOYMENT_CHOICES, required=True)

backend/workflows/middleware.py

@@ -39,7 +39,7 @@ class RequestIDMiddleware:
 
 
 class RateLimitMiddleware:
-    LOGIN_PATHS = ('/accounts/login/',)
+    LOGIN_PATHS = ('/accounts/login/', '/accounts/login/totp/')
     PASSWORD_RESET_PATHS = ('/accounts/password_reset/',)
     # Keep this list path-prefix based so new platform actions get protected
     # without having to wire every single view into a second permission layer.
@@ -157,7 +157,13 @@ class AuthSessionHardeningMiddleware:
             login_url = reverse('login')
             return redirect(f'{login_url}?next={request.get_full_path()}')
 
-        if request.method == 'POST' and any(path.startswith(prefix) for prefix in self.SENSITIVE_POST_PREFIXES):
+        is_sensitive_post = request.method == 'POST' and any(path.startswith(prefix) for prefix in self.SENSITIVE_POST_PREFIXES)
+        if request.method == 'POST' and path == '/account/':
+            account_form = (request.POST.get('account_form') or '').strip()
+            if account_form in {'totp_disable', 'totp_regenerate_codes'}:
+                is_sensitive_post = True
+
+        if is_sensitive_post:
             fresh_window = max(60, settings.SENSITIVE_ACTION_REAUTH_SECONDS)
             auth_fresh_ts = int(request.session.get('auth_fresh_ts') or last_activity_ts)
             if now_ts - auth_fresh_ts > fresh_window:

backend/workflows/migrations/0051_usernotification.py

@@ -0,0 +1,31 @@
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('workflows', '0050_userprofile_totp_recovery_codes'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UserNotification',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255)),
+                ('body', models.TextField(blank=True, default='')),
+                ('level', models.CharField(choices=[('info', 'Info'), ('success', 'Erfolg'), ('warning', 'Warnung'), ('error', 'Fehler')], default='info', max_length=20)),
+                ('link_url', models.CharField(blank=True, default='', max_length=500)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('read_at', models.DateTimeField(blank=True, null=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='notifications', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'User Notification',
+                'verbose_name_plural': 'User Notifications',
+                'ordering': ['-created_at', '-id'],
+            },
+        ),
+    ]

backend/workflows/migrations/0052_userprofile_notification_preferences.py

@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('workflows', '0051_usernotification'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='userprofile',
+            name='notification_preferences',
+            field=models.JSONField(blank=True, default=dict),
+        ),
+    ]

backend/workflows/models.py

@@ -28,6 +28,29 @@ class EmployeeProfile(models.Model):
 
 
 class UserProfile(models.Model):
+    NOTIFICATION_ONBOARDING_SUCCESS = 'onboarding_success'
+    NOTIFICATION_ONBOARDING_FAILURE = 'onboarding_failure'
+    NOTIFICATION_OFFBOARDING_SUCCESS = 'offboarding_success'
+    NOTIFICATION_OFFBOARDING_FAILURE = 'offboarding_failure'
+    NOTIFICATION_BACKUP_SUCCESS = 'backup_success'
+    NOTIFICATION_BACKUP_FAILURE = 'backup_failure'
+    NOTIFICATION_WELCOME_EMAIL_SUCCESS = 'welcome_email_success'
+    NOTIFICATION_WELCOME_EMAIL_FAILURE = 'welcome_email_failure'
+    NOTIFICATION_TRIAL_ALERTS = 'trial_alerts'
+    NOTIFICATION_SYSTEM_ALERTS = 'system_alerts'
+    NOTIFICATION_PREFERENCE_DEFAULTS = {
+        NOTIFICATION_ONBOARDING_SUCCESS: True,
+        NOTIFICATION_ONBOARDING_FAILURE: True,
+        NOTIFICATION_OFFBOARDING_SUCCESS: True,
+        NOTIFICATION_OFFBOARDING_FAILURE: True,
+        NOTIFICATION_BACKUP_SUCCESS: True,
+        NOTIFICATION_BACKUP_FAILURE: True,
+        NOTIFICATION_WELCOME_EMAIL_SUCCESS: True,
+        NOTIFICATION_WELCOME_EMAIL_FAILURE: True,
+        NOTIFICATION_TRIAL_ALERTS: True,
+        NOTIFICATION_SYSTEM_ALERTS: True,
+    }
+
     user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='profile')
     avatar_image = models.FileField(
         upload_to='profiles/',
@@ -45,6 +68,7 @@ class UserProfile(models.Model):
     totp_enabled = models.BooleanField(default=False)
     totp_confirmed_at = models.DateTimeField(null=True, blank=True)
     totp_recovery_codes = models.JSONField(default=list, blank=True)
+    notification_preferences = models.JSONField(default=dict, blank=True)
     updated_at = models.DateTimeField(auto_now=True)
 
     class Meta:
@@ -84,6 +108,55 @@ class UserProfile(models.Model):
             self.save(update_fields=['totp_recovery_codes', 'updated_at'])
         return matched
 
+    def get_notification_preferences(self) -> dict[str, bool]:
+        current = self.notification_preferences or {}
+        prefs = dict(self.NOTIFICATION_PREFERENCE_DEFAULTS)
+        for key in prefs:
+            if key in current:
+                prefs[key] = bool(current[key])
+        return prefs
+
+    def notification_enabled(self, event_key: str) -> bool:
+        return bool(self.get_notification_preferences().get(event_key, True))
+
+
+class UserNotification(models.Model):
+    LEVEL_INFO = 'info'
+    LEVEL_SUCCESS = 'success'
+    LEVEL_WARNING = 'warning'
+    LEVEL_ERROR = 'error'
+    LEVEL_CHOICES = [
+        (LEVEL_INFO, _('Info')),
+        (LEVEL_SUCCESS, _('Erfolg')),
+        (LEVEL_WARNING, _('Warnung')),
+        (LEVEL_ERROR, _('Fehler')),
+    ]
+
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='notifications')
+    title = models.CharField(max_length=255)
+    body = models.TextField(blank=True, default='')
+    level = models.CharField(max_length=20, choices=LEVEL_CHOICES, default=LEVEL_INFO)
+    link_url = models.CharField(max_length=500, blank=True, default='')
+    created_at = models.DateTimeField(auto_now_add=True)
+    read_at = models.DateTimeField(null=True, blank=True)
+
+    class Meta:
+        ordering = ['-created_at', '-id']
+        verbose_name = 'User Notification'
+        verbose_name_plural = 'User Notifications'
+
+    def __str__(self) -> str:
+        return f'{self.user_id} | {self.level} | {self.title}'
+
+    @property
+    def is_unread(self) -> bool:
+        return self.read_at is None
+
+    def mark_read(self) -> None:
+        if self.read_at is None:
+            self.read_at = timezone.now()
+            self.save(update_fields=['read_at'])
+
 
 class PortalBranding(models.Model):
     name = models.CharField(max_length=80, default='Default', unique=True)

backend/workflows/notifications.py

@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+from django.contrib.auth import get_user_model
+
+from .models import UserNotification, UserProfile
+
+
+def create_user_notification(*, user, title: str, body: str = '', level: str = UserNotification.LEVEL_INFO, link_url: str = '') -> UserNotification:
+    return UserNotification.objects.create(
+        user=user,
+        title=(title or '').strip(),
+        body=(body or '').strip(),
+        level=level,
+        link_url=(link_url or '').strip(),
+    )
+
+
+def notify_user(*, user, title: str, body: str = '', level: str = UserNotification.LEVEL_INFO, link_url: str = '', event_key: str = '') -> bool:
+    if not user or not getattr(user, 'is_authenticated', False):
+        return False
+    profile, _ = UserProfile.objects.get_or_create(user=user)
+    if event_key and not profile.notification_enabled(event_key):
+        return False
+    create_user_notification(user=user, title=title, body=body, level=level, link_url=link_url)
+    return True
+
+
+def notify_user_by_email(*, email: str, title: str, body: str = '', level: str = UserNotification.LEVEL_INFO, link_url: str = '', event_key: str = '') -> bool:
+    normalized_email = (email or '').strip().lower()
+    if not normalized_email:
+        return False
+    user = get_user_model().objects.filter(email__iexact=normalized_email).first()
+    if not user:
+        return False
+    return notify_user(user=user, title=title, body=body, level=level, link_url=link_url, event_key=event_key)

backend/workflows/static/workflows/css/account.css

@@ -19,7 +19,7 @@ body {
 }
 
 .account-shell-body {
-  padding: 28px;
+  padding: 24px;
   background:
     radial-gradient(90% 120% at 10% 0%, rgba(31, 79, 214, 0.06), rgba(31, 79, 214, 0)),
     linear-gradient(180deg, rgba(255,255,255,0.72), rgba(248,251,255,0.48));
@@ -29,7 +29,7 @@ body {
   width: min(1120px, 100%);
   margin: 0 auto;
   display: grid;
-  gap: 22px;
+  gap: 18px;
 }
 
 .account-hero {
@@ -37,13 +37,14 @@ body {
   justify-content: space-between;
   gap: 18px;
   align-items: flex-start;
-  padding: 26px 28px;
+  padding: 22px 24px;
   border: 1px solid #d9e3f0;
   border-radius: 24px;
   background:
     radial-gradient(circle at top right, rgba(30, 64, 175, 0.1), transparent 24%),
     linear-gradient(135deg, rgba(255,255,255,0.96), rgba(244,248,255,0.9));
   box-shadow: 0 14px 34px rgba(28, 45, 79, 0.08);
+  animation: accountFadeUp 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
 }
 
 .account-kicker {
@@ -72,6 +73,16 @@ body {
   line-height: 1.55;
 }
 
+.account-hero-submeta {
+  margin-top: 14px !important;
+  color: #6a7a8f;
+  font-size: 13px;
+}
+
+.account-hero-submeta strong {
+  color: #132238;
+}
+
 .account-hero-badges {
   display: flex;
   gap: 10px;
@@ -111,12 +122,20 @@ body {
   border-radius: 22px;
   background: rgba(255, 255, 255, 0.94);
   box-shadow: 0 14px 32px rgba(28, 45, 79, 0.09);
+  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 220ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
 }
 
 .account-profile-card {
-  padding: 24px;
+  padding: 20px;
   position: sticky;
   top: 24px;
+  animation: accountFadeUp 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
+}
+
+.account-profile-card:hover,
+.account-panel:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 18px 34px rgba(28, 45, 79, 0.10);
 }
 
 .account-avatar-form {
@@ -205,30 +224,36 @@ body {
   word-break: break-word;
 }
 
-.account-profile-meta {
+.account-nav {
   display: grid;
-  gap: 12px;
+  gap: 10px;
   margin-top: 22px;
 }
 
-.account-profile-meta div {
-  padding: 12px 14px;
-  border-radius: 14px;
-  background: #f7faff;
+.account-nav-item {
+  width: 100%;
+  padding: 14px 16px;
+  text-align: left;
+  border-radius: 16px;
   border: 1px solid #dce6f2;
+  background: #f7faff;
+  color: #17345e;
+  font: inherit;
+  font-weight: 700;
+  cursor: pointer;
+  transition: border-color 180ms cubic-bezier(0.2, 0.8, 0.2, 1), background-color 180ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
 }
 
-.account-profile-meta span {
-  display: block;
-  margin-bottom: 4px;
-  color: #6b7a90;
-  font-size: 12px;
+.account-nav-item:hover {
+  border-color: #c5d5ea;
+  background: #f3f8ff;
 }
 
-.account-profile-meta strong {
-  color: #132238;
-  font-size: 14px;
-  line-height: 1.4;
+.account-nav-item.is-active {
+  border-color: rgba(0, 0, 120, 0.18);
+  background: linear-gradient(180deg, rgba(238,243,255,0.95), rgba(231,239,255,0.92));
+  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
+  transform: translateX(3px);
 }
 
 .account-main {
@@ -236,8 +261,129 @@ body {
   gap: 22px;
 }
 
+.account-notification-pref-grid {
+  display: grid;
+  gap: 12px;
+}
+
+.account-notification-group + .account-notification-group {
+  margin-top: 18px;
+}
+
+.account-notification-group h3 {
+  margin: 0 0 10px;
+  color: #17345e;
+  font-size: 13px;
+  font-weight: 800;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+}
+
+.account-notification-pref-item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 16px;
+  padding: 14px 16px;
+  border: 1px solid #dce6f2;
+  border-radius: 16px;
+  background: #f7faff;
+}
+
+.account-notification-pref-item span {
+  color: #17345e;
+  font-weight: 700;
+}
+
+.account-notification-pref-item strong {
+  color: #617389;
+  font-size: 12px;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+
+.account-notification-pref-grid-edit {
+  gap: 14px;
+}
+
+.account-notification-pref-toggle {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 18px;
+  padding: 14px 16px;
+  border: 1px solid #dce6f2;
+  border-radius: 16px;
+  background: #f7faff;
+}
+
+.account-notification-pref-copy {
+  display: grid;
+  gap: 4px;
+}
+
+.account-notification-pref-copy strong {
+  color: #17345e;
+  font-size: 14px;
+}
+
+.account-notification-pref-copy small {
+  color: #617389;
+  font-size: 12px;
+  line-height: 1.45;
+}
+
+.account-toggle-control {
+  position: relative;
+  display: inline-flex;
+  align-items: center;
+  flex: 0 0 auto;
+}
+
+.account-toggle-control input {
+  position: absolute;
+  inset: 0;
+  opacity: 0;
+  cursor: pointer;
+}
+
+.account-toggle-slider {
+  position: relative;
+  width: 50px;
+  height: 30px;
+  border-radius: 999px;
+  background: #d7e1ee;
+  transition: background-color 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
+}
+
+.account-toggle-slider::after {
+  content: "";
+  position: absolute;
+  top: 4px;
+  left: 4px;
+  width: 22px;
+  height: 22px;
+  border-radius: 50%;
+  background: #fff;
+  box-shadow: 0 4px 10px rgba(18, 34, 56, 0.12);
+  transition: transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
+}
+
+.account-toggle-control input:checked + .account-toggle-slider {
+  background: #0f8f57;
+}
+
+.account-toggle-control input:checked + .account-toggle-slider::after {
+  transform: translateX(20px);
+}
+
 .account-panel {
   padding: 24px;
+  animation: accountFadeUp 380ms cubic-bezier(0.2, 0.8, 0.2, 1);
+}
+
+.account-panel.is-entering {
+  animation: accountPanelSwap 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
 }
 
 .account-panel-head {
@@ -299,7 +445,7 @@ body {
 }
 
 .account-security-item {
-  padding: 16px 18px;
+  padding: 14px 16px;
   border-radius: 18px;
   border: 1px solid #dbe5f2;
   background:
@@ -307,6 +453,13 @@ body {
     linear-gradient(180deg, rgba(255,255,255,0.96), rgba(246,250,255,0.9));
 }
 
+.account-security-item-active {
+  border-color: rgba(34, 139, 86, 0.26);
+  background:
+    radial-gradient(circle at top right, rgba(34, 139, 86, 0.10), transparent 26%),
+    linear-gradient(180deg, rgba(242,255,247,0.96), rgba(236,251,242,0.92));
+}
+
 .account-security-item span {
   display: block;
   margin-bottom: 6px;
@@ -333,7 +486,7 @@ body {
 
 .account-totp-card {
   margin-bottom: 18px;
-  padding: 18px;
+  padding: 16px;
   border-radius: 18px;
   border: 1px solid #dbe5f2;
   background:
@@ -356,7 +509,55 @@ body {
 }
 
 .account-totp-form {
-  margin-top: 14px;
+  margin-top: 12px;
+}
+
+.account-totp-action-row {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  gap: 16px;
+}
+
+.account-totp-action-copy strong {
+  display: block;
+  color: #132238;
+  font-size: 15px;
+}
+
+.account-totp-action-copy p {
+  margin: 6px 0 0;
+  color: #617389;
+  font-size: 13px;
+  line-height: 1.45;
+}
+
+.account-totp-toggle-form {
+  margin-top: 12px;
+}
+
+.account-totp-status-row {
+  display: flex;
+  justify-content: space-between;
+  gap: 18px;
+  align-items: center;
+  padding: 14px 16px;
+  border-radius: 18px;
+  border: 1px solid #dbe5f2;
+  background: rgba(255,255,255,0.88);
+}
+
+.account-totp-status-copy strong {
+  display: block;
+  color: #132238;
+  font-size: 16px;
+}
+
+.account-totp-status-copy p {
+  margin: 6px 0 0;
+  color: #55718f;
+  font-size: 13px;
+  line-height: 1.45;
 }
 
 .account-qr-card,
@@ -456,6 +657,19 @@ body {
   grid-column: 1 / -1;
 }
 
+.account-form-field.is-hidden {
+  display: none;
+}
+
+.account-totp-form.is-hidden {
+  display: none;
+}
+
+.account-form-grid.is-hidden,
+.account-inline-actions.is-hidden {
+  display: none;
+}
+
 .account-form-field label {
   color: #132238;
   font-size: 13px;
@@ -506,6 +720,32 @@ body {
   margin-top: 16px;
 }
 
+.account-recovery-toggle {
+  width: auto;
+}
+
+@keyframes accountFadeUp {
+  from {
+    opacity: 0;
+    transform: translateY(8px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes accountPanelSwap {
+  from {
+    opacity: 0;
+    transform: translateY(10px) scale(0.995);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+  }
+}
+
 @media (max-width: 980px) {
   .account-layout {
     grid-template-columns: 1fr;
@@ -540,10 +780,6 @@ body {
     font-size: 26px;
   }
 
-  .account-hero-badges {
-    justify-content: flex-start;
-  }
-
   .account-detail-grid,
   .account-security-overview,
   .account-form-grid,
@@ -558,4 +794,39 @@ body {
   .account-panel-head {
     flex-direction: column;
   }
+
+  .account-totp-status-card {
+    flex-direction: column;
+  }
+
+  .account-totp-status-row {
+    flex-direction: column;
+    align-items: stretch;
+  }
+
+  .account-totp-action-row {
+    flex-direction: column;
+    align-items: stretch;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .account-hero,
+  .account-profile-card,
+  .account-panel,
+  .account-panel.is-entering {
+    animation: none;
+  }
+
+  .account-profile-card,
+  .account-panel,
+  .account-nav-item {
+    transition: none;
+  }
+
+  .account-profile-card:hover,
+  .account-panel:hover,
+  .account-nav-item.is-active {
+    transform: none;
+  }
 }

backend/workflows/static/workflows/css/app_chrome.css

@@ -180,10 +180,227 @@
   align-items: center;
 }
 
+.app-notification-menu,
 .app-user-menu {
   position: relative;
 }
 
+.app-notification-trigger {
+  list-style: none;
+  position: relative;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 44px;
+  height: 44px;
+  padding: 0;
+  border: 1px solid var(--app-line);
+  border-radius: 999px;
+  background: rgba(248, 251, 255, 0.92);
+  color: #1f3a5f;
+  cursor: pointer;
+  transition:
+    border-color var(--motion-fast) var(--motion-ease),
+    background-color var(--motion-fast) var(--motion-ease),
+    transform var(--motion-fast) var(--motion-ease),
+    box-shadow var(--motion-fast) var(--motion-ease);
+}
+
+.app-notification-trigger::-webkit-details-marker {
+  display: none;
+}
+
+.app-notification-trigger:hover {
+  transform: translateY(-1px);
+}
+
+.app-notification-menu[open] .app-notification-trigger {
+  border-color: rgba(0, 0, 120, 0.22);
+  box-shadow: 0 0 0 4px rgba(0, 0, 120, 0.08);
+}
+
+.app-notification-bell {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+  color: #28446e;
+}
+
+.app-notification-bell svg {
+  width: 18px;
+  height: 18px;
+  display: block;
+}
+
+.app-notification-count {
+  position: absolute;
+  top: -2px;
+  right: -2px;
+  min-width: 18px;
+  height: 18px;
+  padding: 0 5px;
+  border-radius: 999px;
+  background: #c0002b;
+  color: #fff;
+  font-size: 10px;
+  font-weight: 800;
+  line-height: 18px;
+  text-align: center;
+  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.98);
+}
+
+.app-notification-panel {
+  position: absolute;
+  top: calc(100% + 10px);
+  right: 0;
+  width: min(380px, calc(100vw - 32px));
+  max-height: min(70vh, 520px);
+  padding: 10px;
+  border: 1px solid rgba(217, 227, 238, 0.96);
+  border-radius: 18px;
+  background: rgba(255, 255, 255, 0.98);
+  box-shadow: 0 24px 44px rgba(18, 34, 56, 0.16);
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+  z-index: 45;
+  overflow: hidden;
+}
+
+.app-notification-panel-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 4px 6px 8px;
+  border-bottom: 1px solid rgba(217, 227, 238, 0.85);
+}
+
+.app-notification-panel-head strong {
+  color: #132238;
+  font-size: 13px;
+  line-height: 1.2;
+}
+
+.app-notification-panel-head form {
+  margin: 0;
+}
+
+.app-notification-panel-head button {
+  border: 0;
+  background: transparent;
+  color: var(--app-brand-blue);
+  font-size: 12px;
+  font-weight: 700;
+  cursor: pointer;
+  padding: 0;
+}
+
+.app-notification-list {
+  display: grid;
+  gap: 8px;
+  overflow: auto;
+  padding-right: 2px;
+}
+
+.app-notification-item {
+  display: grid;
+  gap: 8px;
+  padding: 10px 12px;
+  border: 1px solid rgba(217, 227, 238, 0.92);
+  border-radius: 14px;
+  background: linear-gradient(180deg, rgba(249, 252, 255, 0.96), rgba(243, 248, 255, 0.92));
+}
+
+.app-notification-item.is-unread {
+  border-color: rgba(0, 0, 120, 0.22);
+  box-shadow: inset 3px 0 0 rgba(0, 0, 120, 0.9);
+}
+
+.app-notification-success {
+  background: linear-gradient(180deg, #f4fcf7, #edf9f1);
+  border-color: #cce9d5;
+}
+
+.app-notification-error {
+  background: linear-gradient(180deg, #fff7f7, #fff1f1);
+  border-color: #f0c8c8;
+}
+
+.app-notification-warning {
+  background: linear-gradient(180deg, #fffaf0, #fff4dd);
+  border-color: #f3d9a7;
+}
+
+.app-notification-copy {
+  display: grid;
+  gap: 4px;
+}
+
+.app-notification-copy strong {
+  color: #132238;
+  font-size: 13px;
+  line-height: 1.35;
+}
+
+.app-notification-copy p {
+  margin: 0;
+  color: #51657f;
+  font-size: 12px;
+  line-height: 1.45;
+}
+
+.app-notification-copy span {
+  color: #7a8ca3;
+  font-size: 11px;
+  line-height: 1.3;
+}
+
+.app-notification-actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.app-notification-actions a,
+.app-notification-actions button {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 32px;
+  padding: 0 10px;
+  border-radius: 10px;
+  border: 1px solid rgba(217, 227, 238, 0.92);
+  background: rgba(255, 255, 255, 0.82);
+  color: #1f3a5f;
+  font: inherit;
+  font-size: 12px;
+  font-weight: 700;
+  line-height: 1;
+  text-decoration: none;
+  cursor: pointer;
+  transition:
+    background-color var(--motion-fast) var(--motion-ease),
+    border-color var(--motion-fast) var(--motion-ease),
+    color var(--motion-fast) var(--motion-ease);
+}
+
+.app-notification-actions a:hover,
+.app-notification-actions button:hover,
+.app-notification-panel-head button:hover {
+  color: var(--app-brand-blue);
+}
+
+.app-notification-empty {
+  padding: 14px 8px 8px;
+  color: #64748b;
+  font-size: 13px;
+  line-height: 1.5;
+  text-align: center;
+}
+
 .app-user-trigger {
   list-style: none;
   display: inline-flex;
@@ -330,6 +547,10 @@
 
 .app-user-panel a:focus-visible,
 .app-user-panel button:focus-visible,
+.app-notification-trigger:focus-visible,
+.app-notification-actions a:focus-visible,
+.app-notification-actions button:focus-visible,
+.app-notification-panel-head button:focus-visible,
 .app-user-trigger:focus-visible {
   outline: none;
   box-shadow: 0 0 0 3px rgba(0, 0, 120, 0.10);

backend/workflows/static/workflows/css/login.css

@@ -47,6 +47,26 @@ body {
   line-height: 1.45;
 }
 
+.login-step-caption {
+  display: grid;
+  gap: 2px;
+  margin: 0 0 14px;
+  padding: 12px 14px;
+  border: 1px solid #d9e3f0;
+  border-radius: 14px;
+  background: #f7faff;
+}
+
+.login-step-caption strong {
+  color: #132238;
+  font-size: 14px;
+}
+
+.login-step-caption span {
+  color: #607086;
+  font-size: 13px;
+}
+
 .account-card {
   width: min(560px, 100%);
 }
@@ -138,6 +158,34 @@ body {
   width: 100%;
 }
 
+.btn-inline-toggle {
+  width: auto;
+  min-width: 0;
+}
+
+.login-recovery-toggle-row {
+  display: flex;
+  justify-content: flex-start;
+  margin: -2px 0 12px;
+}
+
+.login-recovery-box.is-hidden {
+  display: none;
+}
+
+.login-back-link {
+  display: inline-flex;
+  align-items: center;
+  margin-top: 14px;
+  color: #36506e;
+  font-size: 14px;
+  text-decoration: none;
+}
+
+.login-back-link:hover {
+  text-decoration: underline;
+}
+
 .login-card .app-alert {
   margin: 0 0 12px;
 }

backend/workflows/tasks.py

@@ -28,6 +28,7 @@ from .forms import (
     SOFTWARE_EXTRA_CHOICES,
     WORKSPACE_GROUP_CHOICES,
 )
+from .notifications import notify_user_by_email
 
 # These templates are the product-level defaults for fresh deployments.
 # Runtime branding and company config can override the company-facing identity
@@ -251,6 +252,32 @@ DEFAULT_NOTIFICATION_TEMPLATES = {
 }
 
 
+def _notify_request_result(*, recipient_email: str, title: str, body: str, level: str, event_key: str) -> None:
+    notify_user_by_email(
+        email=recipient_email,
+        title=title,
+        body=body,
+        level=level,
+        link_url='/requests/',
+        event_key=event_key,
+    )
+
+
+def _notify_welcome_email_result(*, recipient_email: str, full_name: str, body: str, level: str, event_key: str) -> None:
+    notify_user_by_email(
+        email=recipient_email,
+        title=(
+            _('Welcome E-Mail gesendet: %(name)s') % {'name': full_name}
+            if event_key == 'welcome_email_success'
+            else _('Welcome E-Mail fehlgeschlagen: %(name)s') % {'name': full_name}
+        ),
+        body=body,
+        level=level,
+        link_url='/admin-tools/welcome-emails/',
+        event_key=event_key,
+    )
+
+
 def _start_task_log(task_name: str, *, target_type: str = '', target_id: int | None = None, target_label: str = '') -> AsyncTaskLog:
     task_request = getattr(current_task, 'request', None)
     return AsyncTaskLog.objects.create(
@@ -1331,11 +1358,25 @@ def process_onboarding_request(onboarding_request_id: int) -> None:
         request_obj.processing_status = 'completed'
         request_obj.last_error = ''
         request_obj.save(update_fields=['processing_status', 'last_error'])
+        _notify_request_result(
+            recipient_email=request_obj.onboarded_by_email,
+            title=_('Onboarding abgeschlossen: %(name)s') % {'name': request_obj.full_name},
+            body=_('Die Onboarding-Anfrage wurde erfolgreich verarbeitet.'),
+            level='success',
+            event_key='onboarding_success',
+        )
         _finish_task_log(task_log, status='succeeded')
     except Exception as exc:
         request_obj.processing_status = 'failed'
         request_obj.last_error = str(exc)
         request_obj.save(update_fields=['processing_status', 'last_error'])
+        _notify_request_result(
+            recipient_email=request_obj.onboarded_by_email,
+            title=_('Onboarding fehlgeschlagen: %(name)s') % {'name': request_obj.full_name},
+            body=str(exc),
+            level='error',
+            event_key='onboarding_failure',
+        )
         _finish_task_log(task_log, status='failed', error_message=str(exc))
         raise
 
@@ -1355,7 +1396,7 @@ def process_offboarding_request(offboarding_request_id: int) -> None:
     try:
         branding_copy = get_branding_email_copy()
         company_contact = get_company_contact_copy()
-        it_email, general_info_email, _, hr_works_email, _ = _resolve_workflow_emails()
+        it_email, general_info_email, business_card_email_unused, hr_works_email, key_email_unused = _resolve_workflow_emails()
 
         pdf_path = _generate_offboarding_pdf(request_obj)
         request_obj.generated_pdf_path = str(pdf_path)
@@ -1418,11 +1459,25 @@ def process_offboarding_request(offboarding_request_id: int) -> None:
         request_obj.processing_status = 'completed'
         request_obj.last_error = ''
         request_obj.save(update_fields=['processing_status', 'last_error'])
+        _notify_request_result(
+            recipient_email=request_obj.requested_by_email,
+            title=_('Offboarding abgeschlossen: %(name)s') % {'name': request_obj.full_name},
+            body=_('Die Offboarding-Anfrage wurde erfolgreich verarbeitet.'),
+            level='success',
+            event_key='offboarding_success',
+        )
         _finish_task_log(task_log, status='succeeded')
     except Exception as exc:
         request_obj.processing_status = 'failed'
         request_obj.last_error = str(exc)
         request_obj.save(update_fields=['processing_status', 'last_error'])
+        _notify_request_result(
+            recipient_email=request_obj.requested_by_email,
+            title=_('Offboarding fehlgeschlagen: %(name)s') % {'name': request_obj.full_name},
+            body=str(exc),
+            level='error',
+            event_key='offboarding_failure',
+        )
         _finish_task_log(task_log, status='failed', error_message=str(exc))
         raise
 
@@ -1490,10 +1545,24 @@ def send_scheduled_welcome_email(scheduled_email_id: int, force_now: bool = Fals
         scheduled.status = 'sent'
         scheduled.sent_at = timezone.now()
         scheduled.last_error = ''
+        _notify_welcome_email_result(
+            recipient_email=request_obj.onboarded_by_email,
+            full_name=request_obj.full_name,
+            body=_('Die geplante Welcome E-Mail wurde erfolgreich versendet.'),
+            level='success',
+            event_key='welcome_email_success',
+        )
         _finish_task_log(task_log, status='succeeded')
     except Exception as exc:
         scheduled.status = 'failed'
         scheduled.last_error = str(exc)
+        _notify_welcome_email_result(
+            recipient_email=request_obj.onboarded_by_email,
+            full_name=request_obj.full_name,
+            body=str(exc),
+            level='error',
+            event_key='welcome_email_failure',
+        )
         _finish_task_log(task_log, status='failed', error_message=str(exc))
         raise
     finally:

backend/workflows/templates/workflows/account_profile.html

@@ -18,7 +18,11 @@
       <div class="account-hero-copy">
         <span class="account-kicker">{% trans "Konto" %}</span>
         <h1>{% trans "Profil" %}</h1>
-        <p>{% trans "Ihre aktuelle Workdock-Kontoübersicht und wichtige Sicherheitsaktionen." %}</p>
+        <p>{% trans "Ihre aktuelle Kontoübersicht und wichtige Sicherheitsaktionen." %}</p>
+        <p class="account-hero-submeta">
+          {% trans "Letzte Anmeldung" %}:
+          <strong>{% if account_user.last_login %}{{ account_user.last_login|date:"d.m.Y H:i" }}{% else %}-{% endif %}</strong>
+        </p>
       </div>
     </section>
 
@@ -53,24 +57,36 @@
           <h2>{{ account_user.get_full_name|default:account_user.username }}</h2>
           <p>{{ account_user.email|default:account_user.username }}</p>
         </div>
-        <div class="account-profile-meta">
-          <div>
-            <span>{% trans "Position" %}</span>
-            <strong>{{ account_user_profile.job_title|default:"-" }}</strong>
-          </div>
-          <div>
-            <span>{% trans "Abteilung" %}</span>
-            <strong>{{ account_user_profile.department|default:"-" }}</strong>
-          </div>
-          <div>
-            <span>{% trans "Letzte Anmeldung" %}</span>
-            <strong>{% if account_user.last_login %}{{ account_user.last_login|date:"d.m.Y H:i" }}{% else %}-{% endif %}</strong>
-          </div>
+        <div class="account-nav">
+          <button
+            class="account-nav-item is-active"
+            type="button"
+            data-account-tab="details"
+            aria-expanded="true"
+          >
+            {% trans "Kontodaten" %}
+          </button>
+          <button
+            class="account-nav-item"
+            type="button"
+            data-account-tab="security"
+            aria-expanded="false"
+          >
+            {% trans "Sicherheit & Aktionen" %}
+          </button>
+          <button
+            class="account-nav-item"
+            type="button"
+            data-account-tab="notifications"
+            aria-expanded="false"
+          >
+            {% trans "Benachrichtigungen" %}
+          </button>
         </div>
       </aside>
 
       <div class="account-main">
-        <section class="account-panel">
+        <section class="account-panel" data-account-panel="details">
           <div class="account-panel-head">
             <div>
               <h2>{% trans "Kontodaten" %}</h2>
@@ -156,13 +172,92 @@
           </form>
         </section>
 
-        <section class="account-panel">
+        <section class="account-panel" data-account-panel="notifications" hidden>
+          <div class="account-panel-head">
+            <div>
+              <h2>{% trans "Benachrichtigungen" %}</h2>
+              <p>{% trans "Legen Sie fest, welche Workflow-Ereignisse im Header als Benachrichtigung erscheinen sollen." %}</p>
+            </div>
+            <button
+              class="btn btn-secondary account-inline-edit-trigger"
+              type="button"
+              data-account-edit-toggle="notifications"
+              aria-expanded="{% if notifications_edit_open %}true{% else %}false{% endif %}"
+            >
+              {% trans "Bearbeiten" %}
+            </button>
+          </div>
+
+          <div class="account-inline-view{% if notifications_edit_open %} is-hidden{% endif %}" data-account-edit-view="notifications">
+            {% for group in notification_preference_groups %}
+            <section class="account-notification-group">
+              <h3>{{ group.label }}</h3>
+              <div class="account-notification-pref-grid">
+                {% for field in group.fields %}
+                <div class="account-notification-pref-item">
+                  <span>{{ field.label }}</span>
+                  <strong>{% if field.value %}{% trans "Aktiv" %}{% else %}{% trans "Aus" %}{% endif %}</strong>
+                </div>
+                {% endfor %}
+              </div>
+            </section>
+            {% endfor %}
+          </div>
+
+          <form
+            class="account-inline-form{% if not notifications_edit_open %} is-hidden{% endif %}"
+            method="post"
+            data-account-edit-form="notifications"
+          >
+            {% csrf_token %}
+            <input type="hidden" name="account_form" value="notification_preferences" />
+            {% for group in notification_preference_groups %}
+            <section class="account-notification-group">
+              <h3>{{ group.label }}</h3>
+              <div class="account-notification-pref-grid account-notification-pref-grid-edit">
+                {% for field in group.fields %}
+                <label class="account-notification-pref-toggle{% if field.errors %} has-error{% endif %}" for="{{ field.id_for_label }}">
+                  <span class="account-notification-pref-copy">
+                    <strong>{{ field.label }}</strong>
+                    <small>
+                      {% if field.name == 'onboarding_success' %}{% trans "Benachrichtigung nach erfolgreich abgeschlossenem Onboarding." %}
+                      {% elif field.name == 'onboarding_failure' %}{% trans "Benachrichtigung wenn ein Onboarding fehlschlägt." %}
+                      {% elif field.name == 'offboarding_success' %}{% trans "Benachrichtigung nach erfolgreich abgeschlossenem Offboarding." %}
+                      {% elif field.name == 'offboarding_failure' %}{% trans "Benachrichtigung wenn ein Offboarding fehlschlägt." %}
+                      {% elif field.name == 'backup_success' %}{% trans "Benachrichtigung bei erfolgreicher Backup-Erstellung oder Verifikation." %}
+                      {% elif field.name == 'backup_failure' %}{% trans "Benachrichtigung wenn Backup-Aktionen fehlschlagen." %}
+                      {% elif field.name == 'welcome_email_success' %}{% trans "Benachrichtigung wenn eine geplante Welcome E-Mail erfolgreich gesendet wurde." %}
+                      {% elif field.name == 'welcome_email_failure' %}{% trans "Benachrichtigung wenn eine geplante Welcome E-Mail fehlschlägt." %}
+                      {% elif field.name == 'trial_alerts' %}{% trans "Hinweise zu Trial-Ablauf, Ablaufdatum oder Deaktivierung." %}
+                      {% else %}{% trans "Hinweise aus Systemtests wie SMTP oder Nextcloud." %}{% endif %}
+                    </small>
+                  </span>
+                  <span class="account-toggle-control">
+                    {{ field }}
+                    <span class="account-toggle-slider" aria-hidden="true"></span>
+                  </span>
+                </label>
+                {% if field.errors %}
+                <div class="account-form-error">{{ field.errors|join:", " }}</div>
+                {% endif %}
+                {% endfor %}
+              </div>
+            </section>
+            {% endfor %}
+            <div class="account-inline-actions">
+              <button class="btn btn-primary" type="submit">{% trans "Speichern" %}</button>
+              <button class="btn btn-secondary" type="button" data-account-edit-cancel="notifications">{% trans "Abbrechen" %}</button>
+            </div>
+          </form>
+        </section>
+
+        <section class="account-panel" data-account-panel="security" hidden>
           <div class="account-panel-head">
             <h2>{% trans "Sicherheit & Aktionen" %}</h2>
           </div>
 
           <div class="account-security-overview">
-            <div class="account-security-item">
+            <div class="account-security-item{% if account_user_profile.totp_enabled %} account-security-item-active{% endif %}">
               <span>{% trans "TOTP" %}</span>
               <strong>{% if account_user_profile.totp_enabled %}{% trans "Aktiv" %}{% else %}{% trans "Aus" %}{% endif %}</strong>
               <p>
@@ -198,60 +293,97 @@
                 <h3>{% trans "Zwei-Faktor-Authentifizierung" %}</h3>
                 <p>{% trans "Aktivieren Sie TOTP mit einer Authenticator-App. Standardmäßig bleibt es ausgeschaltet." %}</p>
               </div>
-              <span class="account-chip{% if not account_user_profile.totp_enabled %} account-chip-muted{% endif %}">
-                {% if account_user_profile.totp_enabled %}
-                {% trans "Aktiv" %}
-                {% else %}
-                {% trans "Aus" %}
-                {% endif %}
-              </span>
             </div>
 
             {% if account_user_profile.totp_enabled %}
-            <div class="account-detail-grid">
-              <div class="account-detail">
-                <span>{% trans "Status" %}</span>
+            <div class="account-totp-status-row">
+              <div class="account-totp-status-copy">
                 <strong>{% trans "TOTP ist aktiviert." %}</strong>
+                <p>{% trans "Bestätigt am" %}: {% if account_user_profile.totp_confirmed_at %}{{ account_user_profile.totp_confirmed_at|date:"d.m.Y H:i" }}{% else %}-{% endif %}</p>
               </div>
-              <div class="account-detail">
-                <span>{% trans "Bestätigt am" %}</span>
-                <strong>{% if account_user_profile.totp_confirmed_at %}{{ account_user_profile.totp_confirmed_at|date:"d.m.Y H:i" }}{% else %}-{% endif %}</strong>
-              </div>
+              <button
+                class="btn btn-secondary"
+                type="button"
+                data-disable-toggle
+                aria-expanded="{% if totp_disable_form.errors %}true{% else %}false{% endif %}"
+              >
+                {% trans "TOTP deaktivieren" %}
+              </button>
             </div>
-            <form class="account-totp-form" method="post">
+            <form class="account-totp-form{% if not totp_disable_form.errors %} is-hidden{% endif %}" method="post" data-disable-form>
               {% csrf_token %}
               <input type="hidden" name="account_form" value="totp_disable" />
               <div class="account-form-grid">
-                {% for field in totp_disable_form %}
-                <div class="account-form-field{% if field.errors %} has-error{% endif %}">
-                  <label for="{{ field.id_for_label }}">{{ field.label }}</label>
-                  {{ field }}
-                  {% if field.errors %}
-                  <div class="account-form-error">{{ field.errors|join:", " }}</div>
+                <div class="account-form-field">
+                  <label for="{{ totp_disable_form.current_password.id_for_label }}">{{ totp_disable_form.current_password.label }}</label>
+                  {{ totp_disable_form.current_password }}
+                  {% if totp_disable_form.current_password.errors %}
+                  <div class="account-form-error">{{ totp_disable_form.current_password.errors|join:", " }}</div>
                   {% endif %}
                 </div>
-                {% endfor %}
+                {% if totp_disable_form.non_field_errors %}
+                <div class="account-form-field account-form-field-wide">
+                  <div class="account-form-error">{{ totp_disable_form.non_field_errors|join:", " }}</div>
+                </div>
+                {% endif %}
               </div>
               <div class="account-inline-actions">
-                <button class="btn btn-secondary" type="submit">{% trans "TOTP deaktivieren" %}</button>
+                <button class="btn btn-secondary" type="submit">{% trans "Deaktivierung bestätigen" %}</button>
+                <button class="btn btn-secondary" type="button" data-disable-cancel>{% trans "Abbrechen" %}</button>
               </div>
             </form>
             <form class="account-totp-form" method="post">
               {% csrf_token %}
               <input type="hidden" name="account_form" value="totp_regenerate_codes" />
-              <div class="account-form-grid">
-                {% for field in totp_regenerate_form %}
-                <div class="account-form-field{% if field.errors %} has-error{% endif %}">
-                  <label for="{{ field.id_for_label }}">{{ field.label }}</label>
-                  {{ field }}
-                  {% if field.errors %}
-                  <div class="account-form-error">{{ field.errors|join:", " }}</div>
+              <div class="account-totp-action-row">
+                <div class="account-totp-action-copy">
+                  <strong>{% trans "Recovery-Codes neu erzeugen" %}</strong>
+                  <p>{% trans "Neue Recovery-Codes sollten nur erzeugt werden, wenn die bisherigen Codes nicht mehr sicher sind." %}</p>
+                </div>
+                <button
+                  class="btn btn-primary"
+                  type="button"
+                  data-regenerate-toggle
+                  aria-expanded="{% if totp_regenerate_form.errors %}true{% else %}false{% endif %}"
+                >
+                  {% trans "Recovery-Codes neu erzeugen" %}
+                </button>
+              </div>
+              <div class="account-form-grid{% if not totp_regenerate_form.errors %} is-hidden{% endif %}" data-regenerate-form>
+                <div class="account-form-field{% if totp_regenerate_form.verification_code.errors %} has-error{% endif %}">
+                  <label for="{{ totp_regenerate_form.verification_code.id_for_label }}">{{ totp_regenerate_form.verification_code.label }}</label>
+                  {{ totp_regenerate_form.verification_code }}
+                  {% if totp_regenerate_form.verification_code.errors %}
+                  <div class="account-form-error">{{ totp_regenerate_form.verification_code.errors|join:", " }}</div>
                   {% endif %}
                 </div>
-                {% endfor %}
+                <div class="account-form-field account-form-field-wide">
+                  <button
+                    class="btn btn-secondary account-recovery-toggle"
+                    type="button"
+                    data-recovery-toggle
+                    aria-expanded="{% if totp_regenerate_form.recovery_code.value %}true{% else %}false{% endif %}"
+                    aria-controls="account-regenerate-recovery-code"
+                  >
+                    {% trans "Stattdessen Recovery-Code verwenden" %}
+                  </button>
+                </div>
+                <div class="account-form-field account-form-field-wide{% if not totp_regenerate_form.recovery_code.value %} is-hidden{% endif %}" id="account-regenerate-recovery-code" data-recovery-field>
+                  <label for="{{ totp_regenerate_form.recovery_code.id_for_label }}">{{ totp_regenerate_form.recovery_code.label }}</label>
+                  {{ totp_regenerate_form.recovery_code }}
+                  {% if totp_regenerate_form.recovery_code.errors %}
+                  <div class="account-form-error">{{ totp_regenerate_form.recovery_code.errors|join:", " }}</div>
+                  {% endif %}
+                </div>
+                {% if totp_regenerate_form.non_field_errors %}
+                <div class="account-form-field account-form-field-wide">
+                  <div class="account-form-error">{{ totp_regenerate_form.non_field_errors|join:", " }}</div>
+                </div>
+                {% endif %}
               </div>
-              <div class="account-inline-actions">
-                <button class="btn btn-primary" type="submit">{% trans "Recovery-Codes neu erzeugen" %}</button>
+              <div class="account-inline-actions{% if not totp_regenerate_form.errors %} is-hidden{% endif %}" data-regenerate-actions>
+                <button class="btn btn-primary" type="submit">{% trans "Erzeugung bestätigen" %}</button>
+                <button class="btn btn-secondary" type="button" data-regenerate-cancel>{% trans "Abbrechen" %}</button>
               </div>
             </form>
             {% else %}
@@ -309,8 +441,11 @@
                   <h3>{% trans "Recovery-Codes" %}</h3>
                   <p>{% trans "Diese Codes werden nur jetzt im Klartext angezeigt. Jeden Code können Sie genau einmal verwenden." %}</p>
                 </div>
+                <button class="btn btn-secondary" type="button" data-recovery-download>
+                  {% trans "Herunterladen" %}
+                </button>
               </div>
-              <div class="account-recovery-grid">
+              <div class="account-recovery-grid" data-recovery-codes>
                 {% for code in totp_recovery_codes %}
                 <div class="account-recovery-code">{{ code }}</div>
                 {% endfor %}
@@ -328,27 +463,68 @@
 {% block extra_scripts %}
 <script>
   (function () {
-    var toggle = document.querySelector('[data-account-edit-toggle="details"]');
-    var cancel = document.querySelector('[data-account-edit-cancel="details"]');
-    var view = document.querySelector('[data-account-edit-view="details"]');
-    var form = document.querySelector('[data-account-edit-form="details"]');
+    var editConfigs = ['details', 'notifications'].map(function (key) {
+      return {
+        key: key,
+        toggle: document.querySelector('[data-account-edit-toggle="' + key + '"]'),
+        cancel: document.querySelector('[data-account-edit-cancel="' + key + '"]'),
+        view: document.querySelector('[data-account-edit-view="' + key + '"]'),
+        form: document.querySelector('[data-account-edit-form="' + key + '"]')
+      };
+    });
     var secretToggle = document.querySelector('[data-secret-toggle]');
     var secretBody = document.querySelector('[data-secret-body]');
     var secretIcon = document.querySelector('[data-secret-toggle-icon]');
-    if (!toggle || !cancel || !view || !form) return;
-
-    function setMode(editing) {
-      view.classList.toggle('is-hidden', editing);
-      form.classList.toggle('is-hidden', !editing);
-      toggle.setAttribute('aria-expanded', editing ? 'true' : 'false');
-    }
-
-    toggle.addEventListener('click', function () {
-      setMode(true);
+    var recoveryToggle = document.querySelector('[data-recovery-toggle]');
+    var recoveryField = document.querySelector('[data-recovery-field]');
+    var disableToggle = document.querySelector('[data-disable-toggle]');
+    var disableForm = document.querySelector('[data-disable-form]');
+    var disableCancel = document.querySelector('[data-disable-cancel]');
+    var regenerateToggle = document.querySelector('[data-regenerate-toggle]');
+    var regenerateForm = document.querySelector('[data-regenerate-form]');
+    var regenerateActions = document.querySelector('[data-regenerate-actions]');
+    var regenerateCancel = document.querySelector('[data-regenerate-cancel]');
+    var recoveryDownload = document.querySelector('[data-recovery-download]');
+    var recoveryCodes = document.querySelector('[data-recovery-codes]');
+    var tabButtons = document.querySelectorAll('[data-account-tab]');
+    var panels = document.querySelectorAll('[data-account-panel]');
+    editConfigs.forEach(function (config) {
+      if (!config.toggle || !config.cancel || !config.view || !config.form) return;
+      function setMode(editing) {
+        config.view.classList.toggle('is-hidden', editing);
+        config.form.classList.toggle('is-hidden', !editing);
+        config.toggle.setAttribute('aria-expanded', editing ? 'true' : 'false');
+      }
+      config.toggle.addEventListener('click', function () {
+        setMode(true);
+      });
+      config.cancel.addEventListener('click', function () {
+        setMode(false);
+      });
     });
 
-    cancel.addEventListener('click', function () {
-      setMode(false);
+    function setTab(tabKey) {
+      tabButtons.forEach(function (button) {
+        var isActive = button.getAttribute('data-account-tab') === tabKey;
+        button.classList.toggle('is-active', isActive);
+        button.setAttribute('aria-expanded', isActive ? 'true' : 'false');
+      });
+      panels.forEach(function (panel) {
+        var shouldShow = panel.getAttribute('data-account-panel') === tabKey;
+        panel.hidden = !shouldShow;
+        if (shouldShow) {
+          panel.classList.remove('is-entering');
+          window.requestAnimationFrame(function () {
+            panel.classList.add('is-entering');
+          });
+        }
+      });
+    }
+
+    tabButtons.forEach(function (button) {
+      button.addEventListener('click', function () {
+        setTab(button.getAttribute('data-account-tab'));
+      });
     });
 
     if (secretToggle && secretBody) {
@@ -361,6 +537,74 @@
         }
       });
     }
+
+    if (recoveryToggle && recoveryField) {
+      recoveryToggle.addEventListener('click', function () {
+        var isOpen = recoveryToggle.getAttribute('aria-expanded') === 'true';
+        recoveryToggle.setAttribute('aria-expanded', isOpen ? 'false' : 'true');
+        recoveryField.classList.toggle('is-hidden', isOpen);
+      });
+    }
+
+    if (disableToggle && disableForm) {
+      disableToggle.addEventListener('click', function () {
+        var isOpen = disableToggle.getAttribute('aria-expanded') === 'true';
+        disableToggle.setAttribute('aria-expanded', isOpen ? 'false' : 'true');
+        disableForm.classList.toggle('is-hidden', isOpen);
+      });
+    }
+
+    if (disableCancel && disableToggle && disableForm) {
+      disableCancel.addEventListener('click', function () {
+        disableToggle.setAttribute('aria-expanded', 'false');
+        disableForm.classList.add('is-hidden');
+      });
+    }
+
+    if (regenerateToggle && regenerateForm && regenerateActions) {
+      regenerateToggle.addEventListener('click', function () {
+        var isOpen = regenerateToggle.getAttribute('aria-expanded') === 'true';
+        regenerateToggle.setAttribute('aria-expanded', isOpen ? 'false' : 'true');
+        regenerateForm.classList.toggle('is-hidden', isOpen);
+        regenerateActions.classList.toggle('is-hidden', isOpen);
+      });
+    }
+
+    if (regenerateCancel && regenerateToggle && regenerateForm && regenerateActions) {
+      regenerateCancel.addEventListener('click', function () {
+        regenerateToggle.setAttribute('aria-expanded', 'false');
+        regenerateForm.classList.add('is-hidden');
+        regenerateActions.classList.add('is-hidden');
+      });
+    }
+
+    if (recoveryDownload && recoveryCodes) {
+      recoveryDownload.addEventListener('click', function () {
+        var codes = Array.from(recoveryCodes.querySelectorAll('.account-recovery-code')).map(function (node) {
+          return node.textContent.trim();
+        }).filter(Boolean);
+        if (!codes.length) return;
+        var blob = new Blob([codes.join('\n') + '\n'], { type: 'text/plain;charset=utf-8' });
+        var url = URL.createObjectURL(blob);
+        var link = document.createElement('a');
+        link.href = url;
+        link.download = 'workdock-recovery-codes.txt';
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+        URL.revokeObjectURL(url);
+      });
+    }
+
+    if ({{ account_edit_open|yesno:"true,false" }}) {
+      setTab('details');
+    } else if ({{ notifications_edit_open|yesno:"true,false" }}) {
+      setTab('notifications');
+    } else if ({{ totp_edit_open|yesno:"true,false" }} || {{ totp_disable_form.errors|yesno:"true,false" }} || {{ totp_regenerate_form.errors|yesno:"true,false" }}) {
+      setTab('security');
+    } else {
+      setTab('details');
+    }
   }());
 </script>
 {% endblock %}

backend/workflows/templates/workflows/auth/login.html

@@ -14,10 +14,21 @@
 {% block shell_body %}
 <section class="login-shell-body">
   <div class="login-card">
+    {% if login_step == 'totp' %}
+    <h1>{% trans "Zwei-Faktor-Prüfung" %}</h1>
+    <p>{% trans "Geben Sie Ihren TOTP-Code ein, um die Anmeldung abzuschließen." %}</p>
+    {% if login_totp_user %}
+    <div class="login-step-caption">
+      <strong>{{ login_totp_user.get_full_name|default:login_totp_user.username }}</strong>
+      <span>{{ login_totp_user.email|default:login_totp_user.username }}</span>
+    </div>
+    {% endif %}
+    {% else %}
     <h1>{% trans "Anmeldung" %}</h1>
     <p>{{ portal_login_subtitle }}</p>
+    {% endif %}
 
-    <form method="post" action="/accounts/login/">
+    <form method="post" action="{% if login_step == 'totp' %}/accounts/login/totp/{% else %}/accounts/login/{% endif %}">
       {% csrf_token %}
       {% if next %}
         <input type="hidden" name="next" value="{{ next }}" />
@@ -25,23 +36,54 @@
       {% if form.errors %}
         <div class="app-alert app-alert-error" role="alert" aria-live="assertive">
           <div class="app-alert-body">
+            {% if login_step == 'totp' %}
+            <strong>{% trans "Code ungültig" %}</strong><br />
+            <span>{% trans "Der eingegebene TOTP- oder Recovery-Code ist nicht korrekt. Bitte versuchen Sie es erneut." %}</span>
+            {% else %}
             <strong>{% trans "Anmeldung fehlgeschlagen" %}</strong><br />
-            <span>{% trans "Anmeldedaten oder TOTP-Code sind nicht korrekt. Bitte versuchen Sie es erneut." %}</span>
+            <span>{% trans "Benutzername oder Passwort sind nicht korrekt. Bitte versuchen Sie es erneut." %}</span>
+            {% endif %}
           </div>
         </div>
       {% endif %}
+      {% if login_step == 'totp' %}
+      <div class="field{% if form.otp_code.errors or form.errors %} has-error{% endif %}">
+        {{ form.otp_code.label_tag }}{{ form.otp_code }}
+      </div>
+      <div class="login-recovery-toggle-row">
+        <button
+          class="btn btn-secondary btn-inline-toggle"
+          type="button"
+          data-toggle-target="login-recovery-box"
+          aria-expanded="{% if show_recovery_code %}true{% else %}false{% endif %}"
+        >
+          {% trans "Recovery-Code verwenden" %}
+        </button>
+      </div>
+      <div class="login-recovery-box{% if not show_recovery_code %} is-hidden{% endif %}" id="login-recovery-box">
+        <div class="field{% if form.recovery_code.errors %} has-error{% endif %}">
+          {{ form.recovery_code.label_tag }}{{ form.recovery_code }}
+          <div class="mini">{% trans "Nutzen Sie stattdessen einen einmaligen Recovery-Code." %}</div>
+        </div>
+      </div>
+      <button class="btn btn-primary" type="submit">{% trans "Code prüfen" %}</button>
+      <a class="login-back-link" href="/accounts/login/">{% trans "Zurück zur Anmeldung" %}</a>
+      {% else %}
       <div class="field{% if form.username.errors or form.errors %} has-error{% endif %}">{{ form.username.label_tag }}{{ form.username }}</div>
       <div class="field{% if form.password.errors or form.errors %} has-error{% endif %}">{{ form.password.label_tag }}{{ form.password }}</div>
-      <div class="field{% if form.otp_code.errors %} has-error{% endif %}">
-        {{ form.otp_code.label_tag }}{{ form.otp_code }}
-        <div class="mini">{% trans "Nur erforderlich, wenn TOTP für Ihr Konto aktiviert ist." %}</div>
-      </div>
-      <div class="field{% if form.recovery_code.errors %} has-error{% endif %}">
-        {{ form.recovery_code.label_tag }}{{ form.recovery_code }}
-        <div class="mini">{% trans "Alternativ können Sie einen einmaligen Recovery-Code verwenden." %}</div>
-      </div>
       <button class="btn btn-primary" type="submit">{% trans "Anmelden" %}</button>
+      {% endif %}
     </form>
   </div>
 </section>
+<script>
+  document.querySelectorAll('[data-toggle-target]').forEach((trigger) => {
+    trigger.addEventListener('click', () => {
+      const target = document.getElementById(trigger.getAttribute('data-toggle-target'));
+      if (!target) return;
+      const hidden = target.classList.toggle('is-hidden');
+      trigger.setAttribute('aria-expanded', hidden ? 'false' : 'true');
+    });
+  });
+</script>
 {% endblock %}

backend/workflows/templates/workflows/includes/app_header.html

@@ -20,6 +20,58 @@
       <a class="btn btn-secondary" href="/">{% trans "Zur Startseite" %}</a>
     {% endif %}
     {% if request.user.is_authenticated %}
+      <details class="app-notification-menu">
+        <summary class="app-notification-trigger" aria-label="{% trans 'Benachrichtigungen' %}">
+          <span class="app-notification-bell" aria-hidden="true">
+            <svg viewBox="0 0 24 24" fill="none" focusable="false" aria-hidden="true">
+              <path d="M12 4.25a4.25 4.25 0 0 0-4.25 4.25v2.04c0 .83-.24 1.65-.69 2.35l-1.2 1.88a1.5 1.5 0 0 0 1.27 2.31h9.74a1.5 1.5 0 0 0 1.27-2.31l-1.2-1.88a4.34 4.34 0 0 1-.69-2.35V8.5A4.25 4.25 0 0 0 12 4.25Z" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"/>
+              <path d="M9.75 18.25a2.25 2.25 0 0 0 4.5 0" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"/>
+            </svg>
+          </span>
+          {% if header_unread_notification_count %}
+          <span class="app-notification-count">{{ header_unread_notification_count }}</span>
+          {% endif %}
+        </summary>
+        <div class="app-notification-panel">
+          <div class="app-notification-panel-head">
+            <strong>{% trans "Benachrichtigungen" %}</strong>
+            {% if header_unread_notification_count %}
+            <form method="post" action="{% url 'mark_all_notifications_read' %}">
+              {% csrf_token %}
+              <input type="hidden" name="next" value="{{ request.get_full_path }}" />
+              <button type="submit">{% trans "Alle als gelesen" %}</button>
+            </form>
+            {% endif %}
+          </div>
+          {% if header_notifications %}
+            <div class="app-notification-list">
+              {% for notification in header_notifications %}
+              <article class="app-notification-item app-notification-{{ notification.level }}{% if notification.is_unread %} is-unread{% endif %}">
+                <div class="app-notification-copy">
+                  <strong>{{ notification.title }}</strong>
+                  {% if notification.body %}<p>{{ notification.body|truncatechars:140 }}</p>{% endif %}
+                  <span>{{ notification.created_at|date:"d.m.Y H:i" }}</span>
+                </div>
+                <div class="app-notification-actions">
+                  {% if notification.link_url %}
+                  <a href="{{ notification.link_url }}">{% trans "Öffnen" %}</a>
+                  {% endif %}
+                  {% if notification.is_unread %}
+                  <form method="post" action="{% url 'mark_notification_read' notification.id %}">
+                    {% csrf_token %}
+                    <input type="hidden" name="next" value="{{ request.get_full_path }}" />
+                    <button type="submit">{% trans "Gelesen" %}</button>
+                  </form>
+                  {% endif %}
+                </div>
+              </article>
+              {% endfor %}
+            </div>
+          {% else %}
+            <div class="app-notification-empty">{% trans "Keine Benachrichtigungen vorhanden." %}</div>
+          {% endif %}
+        </div>
+      </details>
       <details class="app-user-menu">
         <summary class="app-user-trigger">
           <span class="app-user-avatar" aria-hidden="true">

backend/workflows/tests/test_account_ui.py

@@ -3,6 +3,7 @@ from django.test import Client, TestCase
 from django.utils import timezone
 
 from workflows.models import UserProfile
+from workflows.roles import ROLE_PLATFORM_OWNER, assign_user_role
 from workflows.totp import generate_totp_token
 
 
@@ -32,6 +33,55 @@ class AccountUISmokeTests(TestCase):
     def test_user_profile_is_created_automatically(self):
         self.assertTrue(UserProfile.objects.filter(user=self.user).exists())
 
+    def test_notification_preferences_can_be_updated(self):
+        response = self.client.post(
+            '/account/',
+            {
+                'account_form': 'notification_preferences',
+                'onboarding_success': 'on',
+                'onboarding_failure': '',
+                'offboarding_success': '',
+                'offboarding_failure': 'on',
+            },
+            HTTP_HOST='localhost',
+            follow=True,
+        )
+        self.assertEqual(response.status_code, 200)
+        profile = UserProfile.objects.get(user=self.user)
+        self.assertEqual(
+            profile.notification_preferences,
+            {
+                'onboarding_success': True,
+                'onboarding_failure': False,
+                'offboarding_success': False,
+                'offboarding_failure': True,
+                'backup_success': True,
+                'backup_failure': True,
+                'welcome_email_success': False,
+                'welcome_email_failure': False,
+                'trial_alerts': True,
+                'system_alerts': True,
+            },
+        )
+
+    def test_staff_account_notifications_hide_admin_only_categories(self):
+        response = self.client.get('/account/', HTTP_HOST='localhost')
+
+        self.assertEqual(response.status_code, 200)
+        self.assertNotContains(response, 'Backup erfolgreich')
+        self.assertNotContains(response, 'Trial-Hinweise')
+        self.assertNotContains(response, 'System-Hinweise')
+        self.assertContains(response, 'Welcome E-Mail erfolgreich')
+
+    def test_platform_owner_sees_all_notification_categories(self):
+        assign_user_role(self.user, ROLE_PLATFORM_OWNER)
+        response = self.client.get('/account/', HTTP_HOST='localhost')
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'Backup erfolgreich')
+        self.assertContains(response, 'Trial-Hinweise')
+        self.assertContains(response, 'System-Hinweise')
+
     def test_account_profile_details_can_be_updated(self):
         response = self.client.post(
             '/account/',
@@ -106,23 +156,26 @@ class AccountUISmokeTests(TestCase):
             {'username': 'profile-user', 'password': 'secret-12345'},
             HTTP_HOST='localhost',
         )
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(response['Location'], '/accounts/login/totp/')
+
+        response = client.get('/accounts/login/totp/', HTTP_HOST='localhost')
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'TOTP-Code')
+        self.assertContains(response, 'Recovery-Code verwenden')
 
         token = generate_totp_token(profile.totp_secret, int(timezone.now().timestamp()))
         response = client.post(
-            '/accounts/login/',
-            {'username': 'profile-user', 'password': 'secret-12345', 'otp_code': token},
+            '/accounts/login/totp/',
+            {'otp_code': token},
             HTTP_HOST='localhost',
         )
         self.assertEqual(response.status_code, 302)
 
         client = Client()
-        response = client.post(
-            '/accounts/login/',
-            {'username': 'profile-user', 'password': 'secret-12345', 'recovery_code': 'ABCDE-12345'},
-            HTTP_HOST='localhost',
-        )
+        first_step = client.post('/accounts/login/', {'username': 'profile-user', 'password': 'secret-12345'}, HTTP_HOST='localhost')
+        self.assertEqual(first_step.status_code, 302)
+        response = client.post('/accounts/login/totp/', {'recovery_code': 'ABCDE-12345'}, HTTP_HOST='localhost')
         self.assertEqual(response.status_code, 302)
         profile.refresh_from_db()
         self.assertEqual(profile.totp_recovery_codes, [])

backend/workflows/tests/test_bilingual_smoke.py

@@ -6,6 +6,7 @@ from django.contrib.auth import get_user_model
 from django.test import TestCase, override_settings
 from django.utils import timezone
 
+from workflows.branding import get_company_email_domain
 from workflows.models import EmployeeProfile, NotificationTemplate, OffboardingRequest, OnboardingRequest, ScheduledWelcomeEmail
 from workflows.tasks import process_onboarding_request, send_scheduled_welcome_email
 
@@ -13,11 +14,12 @@ from workflows.tasks import process_onboarding_request, send_scheduled_welcome_e
 @override_settings(PDF_OUTPUT_DIR=Path('/tmp/onoff_test_pdfs'))
 class BilingualSmokeTests(TestCase):
     def setUp(self):
+        self.company_domain = get_company_email_domain()
         user_model = get_user_model()
         self.user = user_model.objects.create_user(
             username='bilingual_user',
             password='secret123',
-            email='requester@tub.co',
+            email=f'requester@{self.company_domain}',
             first_name='Mia',
             last_name='Beispiel',
         )
@@ -28,7 +30,7 @@ class BilingualSmokeTests(TestCase):
             last_name='Beispiel',
             department='IT-Service',
             job_title='Engineer',
-            work_email='lara.beispiel@tub.co',
+            work_email=f'lara.beispiel@{self.company_domain}',
         )
 
     @patch('workflows.views.process_onboarding_request.delay')
@@ -39,7 +41,7 @@ class BilingualSmokeTests(TestCase):
             'gender': 'herr',
             'job_title': 'Consultant',
             'department': 'IT-Service',
-            'work_email': 'max.mustermann@tub.co',
+            'work_email': f'max.mustermann@{self.company_domain}',
             'contract_start': '2026-11-01',
             'employment_type': 'unbefristet',
             'group_mailboxes_required_choice': 'nein',
@@ -54,7 +56,7 @@ class BilingualSmokeTests(TestCase):
         response = self.client.post('/onboarding/new/', payload, HTTP_HOST='localhost', HTTP_ACCEPT_LANGUAGE='en')
 
         self.assertEqual(response.status_code, 302)
-        obj = OnboardingRequest.objects.get(work_email='max.mustermann@tub.co')
+        obj = OnboardingRequest.objects.get(work_email=f'max.mustermann@{self.company_domain}')
         self.assertEqual(obj.preferred_language, 'en')
         mock_delay.assert_called_once_with(obj.id)
 
@@ -66,7 +68,7 @@ class BilingualSmokeTests(TestCase):
             'gender': 'frau',
             'job_title': 'Consultant',
             'department': 'IT-Service',
-            'work_email': 'erika.muster@tub.co',
+            'work_email': f'erika.muster@{self.company_domain}',
             'contract_start': '2026-11-02',
             'employment_type': 'unbefristet',
             'group_mailboxes_required_choice': 'nein',
@@ -81,7 +83,7 @@ class BilingualSmokeTests(TestCase):
         response = self.client.post('/onboarding/new/', payload, HTTP_HOST='localhost', HTTP_ACCEPT_LANGUAGE='de')
 
         self.assertEqual(response.status_code, 302)
-        obj = OnboardingRequest.objects.get(work_email='erika.muster@tub.co')
+        obj = OnboardingRequest.objects.get(work_email=f'erika.muster@{self.company_domain}')
         self.assertEqual(obj.preferred_language, 'de')
         mock_delay.assert_called_once_with(obj.id)
 
@@ -140,10 +142,10 @@ class BilingualSmokeTests(TestCase):
             gender='herr',
             job_title='Engineer',
             department='IT-Service',
-            work_email='english.person@tub.co',
+            work_email=f'english.person@{self.company_domain}',
             contract_start=date(2026, 11, 1),
             employment_type='unbefristet',
-            onboarded_by_email='requester@tub.co',
+            onboarded_by_email=f'requester@{self.company_domain}',
             onboarded_by_name='Mia Beispiel',
             agreement='accepted',
             preferred_language='en',
@@ -172,16 +174,16 @@ class BilingualSmokeTests(TestCase):
             gender='frau',
             job_title='Manager',
             department='IT-Service',
-            work_email='welcome.person@tub.co',
+            work_email=f'welcome.person@{self.company_domain}',
             contract_start=date(2026, 11, 1),
             employment_type='unbefristet',
-            onboarded_by_email='requester@tub.co',
+            onboarded_by_email=f'requester@{self.company_domain}',
             agreement='accepted',
             preferred_language='en',
         )
         scheduled = ScheduledWelcomeEmail.objects.create(
             onboarding_request=onboarding,
-            recipient_email='welcome.person@tub.co',
+            recipient_email=f'welcome.person@{self.company_domain}',
             send_at=timezone.now(),
             status='scheduled',
         )

backend/workflows/tests/test_notifications.py

@@ -0,0 +1,352 @@
+from pathlib import Path
+from datetime import date
+from unittest.mock import patch
+
+from django.contrib.auth import get_user_model
+from django.test import Client, TestCase, override_settings
+from django.urls import reverse
+from django.utils import timezone
+
+from workflows.models import OffboardingRequest, OnboardingRequest, ScheduledWelcomeEmail, UserNotification, UserProfile
+from workflows.roles import ROLE_PLATFORM_OWNER, assign_user_role
+from workflows.tasks import process_offboarding_request, process_onboarding_request, send_scheduled_welcome_email
+
+
+@override_settings(PDF_OUTPUT_DIR=Path('/tmp/onoff_test_pdfs'))
+class NotificationFlowTests(TestCase):
+    def setUp(self):
+        user_model = get_user_model()
+        self.requester = user_model.objects.create_user(
+            username='notify_user',
+            password='secret123',
+            email='requester@workdock.de',
+            first_name='Nina',
+            last_name='Requester',
+        )
+
+    @patch('workflows.tasks._apply_notification_rules')
+    @patch('workflows.tasks._schedule_welcome_email')
+    @patch('workflows.tasks.upload_to_nextcloud')
+    @patch('workflows.tasks._send_templated_email')
+    @patch('workflows.tasks._generate_onboarding_pdf')
+    def test_onboarding_success_creates_success_notification(
+        self,
+        mock_generate_pdf,
+        mock_send_templated_email,
+        mock_upload,
+        mock_schedule,
+        mock_rules,
+    ):
+        pdf_path = Path('/tmp/onoff_test_pdfs/onboarding_letter_Nina_Notify.pdf')
+        pdf_path.parent.mkdir(parents=True, exist_ok=True)
+        pdf_path.write_bytes(b'%PDF-1.4\n%test\n')
+        mock_generate_pdf.return_value = pdf_path
+        request_obj = OnboardingRequest.objects.create(
+            full_name='Nina Notify',
+            gender='frau',
+            job_title='Engineer',
+            department='IT',
+            work_email='nina.notify@workdock.de',
+            contract_start=date(2026, 11, 1),
+            employment_type='unbefristet',
+            onboarded_by_email=self.requester.email,
+            onboarded_by_name='Nina Requester',
+            agreement='accepted',
+        )
+
+        process_onboarding_request(request_obj.id)
+
+        notification = UserNotification.objects.get(user=self.requester)
+        self.assertEqual(notification.level, UserNotification.LEVEL_SUCCESS)
+        self.assertIn('Onboarding abgeschlossen', notification.title)
+        self.assertEqual(notification.link_url, '/requests/')
+        mock_upload.assert_called_once_with(pdf_path, pdf_path.name)
+
+    @patch('workflows.tasks._generate_onboarding_pdf', side_effect=RuntimeError('PDF kaputt'))
+    def test_onboarding_failure_creates_error_notification(self, mock_generate_pdf):
+        request_obj = OnboardingRequest.objects.create(
+            full_name='Lara Broken',
+            gender='frau',
+            job_title='Engineer',
+            department='IT',
+            work_email='lara.broken@workdock.de',
+            contract_start=date(2026, 11, 1),
+            employment_type='unbefristet',
+            onboarded_by_email=self.requester.email,
+            onboarded_by_name='Nina Requester',
+            agreement='accepted',
+        )
+
+        with self.assertRaises(RuntimeError):
+            process_onboarding_request(request_obj.id)
+
+        notification = UserNotification.objects.get(user=self.requester)
+        self.assertEqual(notification.level, UserNotification.LEVEL_ERROR)
+        self.assertIn('Onboarding fehlgeschlagen', notification.title)
+        self.assertIn('PDF kaputt', notification.body)
+
+    @patch('workflows.tasks._apply_notification_rules')
+    @patch('workflows.tasks.upload_to_nextcloud')
+    @patch('workflows.tasks._send_templated_email')
+    @patch('workflows.tasks._generate_offboarding_pdf')
+    def test_offboarding_success_creates_success_notification(
+        self,
+        mock_generate_pdf,
+        mock_send_templated_email,
+        mock_upload,
+        mock_rules,
+    ):
+        pdf_path = Path('/tmp/onoff_test_pdfs/offboarding_letter_Nina_Notify.pdf')
+        pdf_path.parent.mkdir(parents=True, exist_ok=True)
+        pdf_path.write_bytes(b'%PDF-1.4\n%test\n')
+        mock_generate_pdf.return_value = pdf_path
+        request_obj = OffboardingRequest.objects.create(
+            full_name='Nina Notify',
+            work_email='nina.notify@workdock.de',
+            department='IT',
+            job_title='Engineer',
+            last_working_day=date(2026, 12, 31),
+            requested_by_email=self.requester.email,
+            requested_by_name='Nina Requester',
+        )
+
+        process_offboarding_request(request_obj.id)
+
+        notification = UserNotification.objects.get(user=self.requester)
+        self.assertEqual(notification.level, UserNotification.LEVEL_SUCCESS)
+        self.assertIn('Offboarding abgeschlossen', notification.title)
+        self.assertEqual(notification.link_url, '/requests/')
+        mock_upload.assert_called_once_with(pdf_path, pdf_path.name)
+
+    @patch('workflows.tasks._apply_notification_rules')
+    @patch('workflows.tasks._schedule_welcome_email')
+    @patch('workflows.tasks.upload_to_nextcloud')
+    @patch('workflows.tasks._send_templated_email')
+    @patch('workflows.tasks._generate_onboarding_pdf')
+    def test_onboarding_success_notification_respects_user_preferences(
+        self,
+        mock_generate_pdf,
+        mock_send_templated_email,
+        mock_upload,
+        mock_schedule,
+        mock_rules,
+    ):
+        profile, _ = UserProfile.objects.get_or_create(user=self.requester)
+        profile.notification_preferences = {
+            'onboarding_success': False,
+            'onboarding_failure': True,
+            'offboarding_success': True,
+            'offboarding_failure': True,
+        }
+        profile.save(update_fields=['notification_preferences', 'updated_at'])
+        pdf_path = Path('/tmp/onoff_test_pdfs/onboarding_letter_Pref_Off.pdf')
+        pdf_path.parent.mkdir(parents=True, exist_ok=True)
+        pdf_path.write_bytes(b'%PDF-1.4\n%test\n')
+        mock_generate_pdf.return_value = pdf_path
+        request_obj = OnboardingRequest.objects.create(
+            full_name='Pref Off',
+            gender='frau',
+            job_title='Engineer',
+            department='IT',
+            work_email='pref.off@workdock.de',
+            contract_start=date(2026, 11, 1),
+            employment_type='unbefristet',
+            onboarded_by_email=self.requester.email,
+            onboarded_by_name='Nina Requester',
+            agreement='accepted',
+        )
+
+        process_onboarding_request(request_obj.id)
+
+        self.assertFalse(UserNotification.objects.filter(user=self.requester).exists())
+
+
+class NotificationHeaderTests(TestCase):
+    def setUp(self):
+        user_model = get_user_model()
+        self.user = user_model.objects.create_user(
+            username='notify_header',
+            password='secret123',
+            email='notify.header@workdock.de',
+        )
+        self.client.force_login(self.user)
+
+    def test_mark_notification_read_marks_single_entry(self):
+        notification = UserNotification.objects.create(
+            user=self.user,
+            title='Backup fehlgeschlagen',
+            body='Bitte prüfen.',
+            level=UserNotification.LEVEL_ERROR,
+            link_url='/requests/',
+        )
+
+        response = self.client.post(
+            reverse('mark_notification_read', args=[notification.id]),
+            {'next': '/'},
+            HTTP_HOST='localhost',
+        )
+
+        notification.refresh_from_db()
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(response['Location'], '/')
+        self.assertIsNotNone(notification.read_at)
+
+    def test_mark_all_notifications_read_marks_unread_items(self):
+        first = UserNotification.objects.create(user=self.user, title='Erfolg', level=UserNotification.LEVEL_SUCCESS)
+        second = UserNotification.objects.create(user=self.user, title='Fehler', level=UserNotification.LEVEL_ERROR)
+
+        response = self.client.post(
+            reverse('mark_all_notifications_read'),
+            {'next': '/requests/'},
+            HTTP_HOST='localhost',
+        )
+
+        first.refresh_from_db()
+        second.refresh_from_db()
+        self.assertEqual(response.status_code, 302)
+        self.assertEqual(response['Location'], '/requests/')
+        self.assertIsNotNone(first.read_at)
+        self.assertIsNotNone(second.read_at)
+
+
+class OperationalNotificationTests(TestCase):
+    def setUp(self):
+        user_model = get_user_model()
+        self.user = user_model.objects.create_user(
+            username='ops_notify',
+            password='secret123',
+            email='ops.notify@workdock.de',
+        )
+        assign_user_role(self.user, ROLE_PLATFORM_OWNER)
+        self.client = Client(HTTP_HOST='localhost')
+        self.client.force_login(self.user)
+
+    @patch('workflows.views.create_backup_bundle')
+    def test_backup_success_creates_notification(self, mock_create_backup_bundle):
+        mock_create_backup_bundle.return_value = {'name': 'backup_20260327_101010', 'path': '/tmp/backup'}
+
+        response = self.client.post(reverse('create_backup_from_admin'))
+
+        self.assertEqual(response.status_code, 302)
+        notification = UserNotification.objects.get(user=self.user)
+        self.assertEqual(notification.level, UserNotification.LEVEL_SUCCESS)
+        self.assertIn('Backup erstellt', notification.title)
+
+    def test_backup_success_respects_preferences(self):
+        profile = UserProfile.objects.get(user=self.user)
+        profile.notification_preferences = {
+            'onboarding_success': True,
+            'onboarding_failure': True,
+            'offboarding_success': True,
+            'offboarding_failure': True,
+            'backup_success': False,
+            'backup_failure': True,
+            'trial_alerts': True,
+            'system_alerts': True,
+        }
+        profile.save(update_fields=['notification_preferences', 'updated_at'])
+        with patch('workflows.views.create_backup_bundle', return_value={'name': 'backup_20260327_111111', 'path': '/tmp/backup'}):
+            response = self.client.post(reverse('create_backup_from_admin'))
+
+        self.assertEqual(response.status_code, 302)
+        self.assertFalse(UserNotification.objects.filter(user=self.user).exists())
+
+    def test_trial_warning_creates_notification(self):
+        response = self.client.post(
+            reverse('save_portal_trial_config'),
+            {
+                'is_trial_mode': 'on',
+                'trial_started_at': '2026-03-27T10:00',
+                'trial_expires_at': '2026-03-30T10:00',
+                'restrict_production_integrations': 'on',
+                'auto_cleanup_enabled': 'on',
+                'trial_banner_text': 'Trial läuft',
+                'trial_banner_text_en': 'Trial running',
+            },
+        )
+
+        self.assertEqual(response.status_code, 200)
+        notification = UserNotification.objects.get(user=self.user)
+        self.assertEqual(notification.level, UserNotification.LEVEL_WARNING)
+        self.assertIn('Trial läuft bald ab', notification.title)
+
+
+@override_settings(PDF_OUTPUT_DIR=Path('/tmp/onoff_test_pdfs'))
+class WelcomeEmailNotificationTests(TestCase):
+    def setUp(self):
+        user_model = get_user_model()
+        self.requester = user_model.objects.create_user(
+            username='welcome_notify_user',
+            password='secret123',
+            email='welcome.requester@workdock.de',
+        )
+        self.onboarding = OnboardingRequest.objects.create(
+            full_name='Welcome Notify',
+            gender='frau',
+            job_title='Engineer',
+            department='IT',
+            work_email='welcome.notify@workdock.de',
+            contract_start=date(2026, 11, 1),
+            employment_type='unbefristet',
+            onboarded_by_email=self.requester.email,
+            onboarded_by_name='Welcome Requester',
+            agreement='accepted',
+        )
+
+    @patch('workflows.tasks._send_templated_email')
+    def test_welcome_email_success_creates_notification(self, mock_send_templated_email):
+        scheduled = ScheduledWelcomeEmail.objects.create(
+            onboarding_request=self.onboarding,
+            recipient_email='welcome.notify@workdock.de',
+            send_at=timezone.now() - timezone.timedelta(minutes=1),
+            status='scheduled',
+        )
+
+        send_scheduled_welcome_email(scheduled.id, True)
+
+        notification = UserNotification.objects.get(user=self.requester)
+        self.assertEqual(notification.level, UserNotification.LEVEL_SUCCESS)
+        self.assertIn('Welcome E-Mail gesendet', notification.title)
+
+    @patch('workflows.tasks._send_templated_email', side_effect=RuntimeError('SMTP broken'))
+    def test_welcome_email_failure_creates_notification(self, mock_send_templated_email):
+        scheduled = ScheduledWelcomeEmail.objects.create(
+            onboarding_request=self.onboarding,
+            recipient_email='welcome.notify@workdock.de',
+            send_at=timezone.now() - timezone.timedelta(minutes=1),
+            status='scheduled',
+        )
+
+        with self.assertRaises(RuntimeError):
+            send_scheduled_welcome_email(scheduled.id, True)
+
+        notification = UserNotification.objects.get(user=self.requester)
+        self.assertEqual(notification.level, UserNotification.LEVEL_ERROR)
+        self.assertIn('Welcome E-Mail fehlgeschlagen', notification.title)
+
+    @patch('workflows.tasks._send_templated_email')
+    def test_welcome_email_success_respects_preferences(self, mock_send_templated_email):
+        profile, _ = UserProfile.objects.get_or_create(user=self.requester)
+        profile.notification_preferences = {
+            'onboarding_success': True,
+            'onboarding_failure': True,
+            'offboarding_success': True,
+            'offboarding_failure': True,
+            'backup_success': True,
+            'backup_failure': True,
+            'welcome_email_success': False,
+            'welcome_email_failure': True,
+            'trial_alerts': True,
+            'system_alerts': True,
+        }
+        profile.save(update_fields=['notification_preferences', 'updated_at'])
+        scheduled = ScheduledWelcomeEmail.objects.create(
+            onboarding_request=self.onboarding,
+            recipient_email='welcome.notify@workdock.de',
+            send_at=timezone.now() - timezone.timedelta(minutes=1),
+            status='scheduled',
+        )
+
+        send_scheduled_welcome_email(scheduled.id, True)
+
+        self.assertFalse(UserNotification.objects.filter(user=self.requester).exists())

backend/workflows/tests/test_offboarding_flow.py

@@ -3,16 +3,18 @@ from unittest.mock import patch
 from django.contrib.auth import get_user_model
 from django.test import TestCase
 
+from workflows.branding import get_company_email_domain
 from workflows.models import EmployeeProfile, OffboardingRequest
 
 
 class OffboardingFlowTests(TestCase):
     def setUp(self):
+        self.company_domain = get_company_email_domain()
         user_model = get_user_model()
         self.user = user_model.objects.create_user(
             username='offboard_user',
             password='secret123',
-            email='operator@tub.co',
+            email=f'operator@{self.company_domain}',
             first_name='Nina',
             last_name='Admin',
         )
@@ -23,7 +25,7 @@ class OffboardingFlowTests(TestCase):
             last_name='Beispiel',
             department='IT-Service',
             job_title='Engineer',
-            work_email='lara.beispiel@tub.co',
+            work_email=f'lara.beispiel@{self.company_domain}',
         )
 
     def test_offboarding_prefill_from_profile(self):
@@ -32,7 +34,7 @@ class OffboardingFlowTests(TestCase):
 
         self.assertEqual(response.status_code, 200)
         self.assertIn('value="Lara Beispiel"', html)
-        self.assertIn('value="lara.beispiel@tub.co"', html)
+        self.assertIn(f'value="lara.beispiel@{self.company_domain}"', html)
         self.assertIn('value="Engineer"', html)
 
     @patch('workflows.views.process_offboarding_request.delay')
@@ -54,6 +56,6 @@ class OffboardingFlowTests(TestCase):
 
         self.assertEqual(response.status_code, 302)
         obj = OffboardingRequest.objects.get(work_email=self.profile.work_email)
-        self.assertEqual(obj.requested_by_email, 'operator@tub.co')
+        self.assertEqual(obj.requested_by_email, f'operator@{self.company_domain}')
         self.assertEqual(obj.requested_by_name, 'Nina Admin')
         mock_delay.assert_called_once_with(obj.id)

backend/workflows/tests/test_onboarding_flow.py

@@ -3,16 +3,18 @@ from unittest.mock import patch
 from django.contrib.auth import get_user_model
 from django.test import TestCase
 
-from workflows.models import OnboardingRequest
+from workflows.branding import get_company_email_domain
+from workflows.models import FormFieldConfig, OnboardingRequest
 
 
 class OnboardingFlowTests(TestCase):
     def setUp(self):
+        self.company_domain = get_company_email_domain()
         user_model = get_user_model()
         self.user = user_model.objects.create_user(
             username='onboard_user',
             password='secret123',
-            email='requester@workdock.de',
+            email=f'requester@{self.company_domain}',
             first_name='Mia',
             last_name='Beispiel',
         )
@@ -26,7 +28,7 @@ class OnboardingFlowTests(TestCase):
             'gender': 'herr',
             'job_title': 'Consultant',
             'department': 'IT-Service',
-            'work_email': 'max.mustermann@workdock.de',
+            'work_email': f'max.mustermann@{self.company_domain}',
             'contract_start': '2026-11-01',
             'employment_type': 'unbefristet',
             'group_mailboxes_required_choice': 'nein',
@@ -43,8 +45,70 @@ class OnboardingFlowTests(TestCase):
         self.assertEqual(response.status_code, 302)
         self.assertIn('/onboarding/new/?saved=1&id=', response['Location'])
 
-        obj = OnboardingRequest.objects.get(work_email='max.mustermann@workdock.de')
+        obj = OnboardingRequest.objects.get(work_email=f'max.mustermann@{self.company_domain}')
         self.assertEqual(obj.full_name, 'Max Mustermann')
-        self.assertEqual(obj.onboarded_by_email, 'requester@workdock.de')
+        self.assertEqual(obj.onboarded_by_email, f'requester@{self.company_domain}')
         self.assertEqual(obj.onboarded_by_name, 'Mia Beispiel')
         mock_delay.assert_called_once_with(obj.id)
+
+    @patch('workflows.views.process_onboarding_request.delay')
+    def test_hidden_non_locked_field_does_not_block_submission(self, mock_delay):
+        FormFieldConfig.objects.update_or_create(
+            form_type='onboarding',
+            field_name='department',
+            defaults={'is_visible': False},
+        )
+        payload = {
+            'first_name': 'Nora',
+            'last_name': 'Neutral',
+            'gender': 'frau',
+            'job_title': 'Consultant',
+            'work_email': f'nora.neutral@{self.company_domain}',
+            'contract_start': '2026-11-01',
+            'employment_type': 'unbefristet',
+            'group_mailboxes_required_choice': 'nein',
+            'additional_hardware_needed_choice': 'nein',
+            'additional_software_needed_choice': 'nein',
+            'additional_access_needed_choice': 'nein',
+            'successor_required_choice': 'nein',
+            'inherit_phone_number_choice': 'nein',
+            'agreement_confirm': 'on',
+        }
+
+        response = self.client.post('/onboarding/new/', payload, HTTP_HOST='localhost')
+
+        self.assertEqual(response.status_code, 302)
+        obj = OnboardingRequest.objects.get(work_email=f'nora.neutral@{self.company_domain}')
+        self.assertEqual(obj.department, '')
+        mock_delay.assert_called_once_with(obj.id)
+
+    @patch('workflows.views.process_onboarding_request.delay')
+    def test_required_override_blocks_submission_when_field_is_missing(self, mock_delay):
+        FormFieldConfig.objects.update_or_create(
+            form_type='onboarding',
+            field_name='job_title',
+            defaults={'is_required': True},
+        )
+        payload = {
+            'first_name': 'Lina',
+            'last_name': 'Leer',
+            'gender': 'frau',
+            'department': 'IT-Service',
+            'work_email': f'lina.leer@{self.company_domain}',
+            'contract_start': '2026-11-01',
+            'employment_type': 'unbefristet',
+            'group_mailboxes_required_choice': 'nein',
+            'additional_hardware_needed_choice': 'nein',
+            'additional_software_needed_choice': 'nein',
+            'additional_access_needed_choice': 'nein',
+            'successor_required_choice': 'nein',
+            'inherit_phone_number_choice': 'nein',
+            'agreement_confirm': 'on',
+        }
+
+        response = self.client.post('/onboarding/new/', payload, HTTP_HOST='localhost')
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, 'Dieses Feld ist zwingend erforderlich.')
+        self.assertFalse(OnboardingRequest.objects.filter(work_email=f'lina.leer@{self.company_domain}').exists())
+        mock_delay.assert_not_called()

backend/workflows/urls.py

@@ -6,6 +6,8 @@ urlpatterns = [
     path('healthz/', views.healthz, name='healthz'),
     path('', views.home, name='home'),
     path('account/', views.account_profile_page, name='account_profile_page'),
+    path('notifications/<int:notification_id>/read/', views.mark_notification_read, name='mark_notification_read'),
+    path('notifications/read-all/', views.mark_all_notifications_read, name='mark_all_notifications_read'),
     path('requests/', views.requests_dashboard, name='requests_dashboard'),
     path('onboarding/new/', views.onboarding_create, name='onboarding_create'),
     path('onboarding/success/<int:request_id>/', views.onboarding_success, name='onboarding_success'),

backend/workflows/views.py

@@ -12,7 +12,7 @@ from django.db import IntegrityError
 from django.db.models import Q
 from django.shortcuts import get_object_or_404, redirect, render
 from django.contrib import messages
-from django.contrib.auth import get_user_model
+from django.contrib.auth import get_user_model, login as auth_login
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.tokens import default_token_generator
 from django.http import JsonResponse
@@ -34,7 +34,7 @@ from .backup_ops import (
     verify_backup_bundle,
 )
 from .branding import get_branding_email_copy, get_company_email_domain, get_default_notification_templates, get_portal_trial_config, is_trial_expired
-from .forms import AccountAvatarForm, AccountDetailsForm, AccountTOTPDisableForm, AccountTOTPEnableForm, AccountTOTPRegenerateRecoveryCodesForm, OffboardingRequestForm, OnboardingRequestForm, PortalBrandingForm, PortalCompanyConfigForm, PortalTrialConfigForm, UserManagementCreateForm
+from .forms import AccountAvatarForm, AccountDetailsForm, AccountNotificationPreferencesForm, AccountTOTPDisableForm, AccountTOTPEnableForm, AccountTOTPRegenerateRecoveryCodesForm, AppLoginForm, AppTOTPChallengeForm, OffboardingRequestForm, OnboardingRequestForm, PortalBrandingForm, PortalCompanyConfigForm, PortalTrialConfigForm, UserManagementCreateForm
 from .form_builder import (
     DEFAULT_FIELD_ORDER,
     LOCKED_FIELD_RULES,
@@ -43,8 +43,9 @@ from .form_builder import (
     ONBOARDING_PAGE_ORDER,
     ensure_form_field_configs,
 )
-from .models import AdminAuditLog, AsyncTaskLog, EmployeeProfile, FormFieldConfig, FormOption, IntroChecklistItem, NotificationRule, NotificationTemplate, OffboardingRequest, OnboardingIntroductionSession, OnboardingRequest, PortalAppConfig, PortalBranding, PortalCompanyConfig, PortalTrialConfig, ScheduledWelcomeEmail, SystemEmailConfig, UserProfile, WorkflowConfig
+from .models import AdminAuditLog, AsyncTaskLog, EmployeeProfile, FormFieldConfig, FormOption, IntroChecklistItem, NotificationRule, NotificationTemplate, OffboardingRequest, OnboardingIntroductionSession, OnboardingRequest, PortalAppConfig, PortalBranding, PortalCompanyConfig, PortalTrialConfig, ScheduledWelcomeEmail, SystemEmailConfig, UserNotification, UserProfile, WorkflowConfig
 from .emailing import send_system_email
+from .notifications import notify_user
 from .roles import ROLE_GROUP_NAMES, ROLE_LABELS, ROLE_PLATFORM_OWNER, ROLE_SUPER_ADMIN, assign_user_role, get_user_role_key, get_user_role_label, user_has_capability
 from .services import get_email_test_redirect, is_email_test_mode, is_nextcloud_enabled, upload_to_nextcloud
 from .totp import build_otpauth_uri, generate_recovery_codes, generate_totp_secret
@@ -67,6 +68,21 @@ def _redirect_back(request, fallback: str):
         return redirect(referer)
     return redirect(fallback)
 
+
+@login_required
+@require_POST
+def mark_notification_read(request, notification_id: int):
+    notification = get_object_or_404(UserNotification, id=notification_id, user=request.user)
+    notification.mark_read()
+    return _redirect_back(request, 'home')
+
+
+@login_required
+@require_POST
+def mark_all_notifications_read(request):
+    UserNotification.objects.filter(user=request.user, read_at__isnull=True).update(read_at=timezone.now())
+    return _redirect_back(request, 'home')
+
 ONBOARDING_GROUPS = {
     'business-card-box': ['business_card_name', 'business_card_title', 'business_card_email', 'business_card_phone'],
     'employment-end-box': ['employment_end_date'],
@@ -128,6 +144,85 @@ def healthz(request):
     )
 
 
+def login_page(request):
+    if getattr(request.user, 'is_authenticated', False):
+        return redirect('home')
+
+    next_target = (request.POST.get('next') or request.GET.get('next') or '').strip()
+    form = AppLoginForm(request=request, data=request.POST or None)
+    if request.method == 'POST' and form.is_valid():
+        user = form.get_user()
+        profile, _ = UserProfile.objects.get_or_create(user=user)
+        safe_next = next_target if next_target.startswith('/') else ''
+        if profile.totp_enabled:
+            request.session['login_pending_user_id'] = user.pk
+            request.session['login_pending_backend'] = getattr(user, 'backend', '')
+            request.session['login_pending_next'] = safe_next
+            return redirect('login_totp')
+
+        auth_login(request, user, backend=getattr(user, 'backend', None))
+        now_ts = int(timezone.now().timestamp())
+        request.session['auth_fresh_ts'] = now_ts
+        request.session['last_activity_ts'] = now_ts
+        return redirect(safe_next or reverse('home'))
+
+    request.session.pop('login_pending_user_id', None)
+    request.session.pop('login_pending_backend', None)
+    request.session.pop('login_pending_next', None)
+    return render(
+        request,
+        'workflows/auth/login.html',
+        {
+            'form': form,
+            'next': next_target,
+            'login_step': 'password',
+        },
+    )
+
+
+def login_totp_page(request):
+    if getattr(request.user, 'is_authenticated', False):
+        return redirect('home')
+
+    pending_user_id = request.session.get('login_pending_user_id')
+    backend_path = (request.session.get('login_pending_backend') or '').strip()
+    next_target = (request.session.get('login_pending_next') or '').strip()
+    if not pending_user_id:
+        return redirect('login')
+
+    user = get_object_or_404(get_user_model(), pk=pending_user_id)
+    profile, _ = UserProfile.objects.get_or_create(user=user)
+    if not profile.totp_enabled:
+        request.session.pop('login_pending_user_id', None)
+        request.session.pop('login_pending_backend', None)
+        request.session.pop('login_pending_next', None)
+        return redirect('login')
+
+    show_recovery = request.method == 'POST' and bool((request.POST.get('recovery_code') or '').strip())
+    form = AppTOTPChallengeForm(data=request.POST or None, profile=profile)
+    if request.method == 'POST' and form.is_valid():
+        auth_login(request, user, backend=backend_path or 'django.contrib.auth.backends.ModelBackend')
+        request.session.pop('login_pending_user_id', None)
+        request.session.pop('login_pending_backend', None)
+        request.session.pop('login_pending_next', None)
+        now_ts = int(timezone.now().timestamp())
+        request.session['auth_fresh_ts'] = now_ts
+        request.session['last_activity_ts'] = now_ts
+        return redirect(next_target if next_target.startswith('/') else reverse('home'))
+
+    return render(
+        request,
+        'workflows/auth/login.html',
+        {
+            'form': form,
+            'next': next_target,
+            'login_step': 'totp',
+            'login_totp_user': user,
+            'show_recovery_code': show_recovery,
+        },
+    )
+
+
 @login_required
 def account_profile_page(request):
     session_secret_key = 'account_totp_pending_secret'
@@ -144,10 +239,12 @@ def account_profile_page(request):
 
     avatar_form = AccountAvatarForm(instance=profile)
     details_form = AccountDetailsForm(user=request.user, profile=profile)
+    notification_preferences_form = AccountNotificationPreferencesForm(profile=profile, user=request.user)
     totp_enable_form = AccountTOTPEnableForm(user=request.user, secret=pending_totp_secret)
     totp_disable_form = AccountTOTPDisableForm(user=request.user, profile=profile)
     totp_regenerate_form = AccountTOTPRegenerateRecoveryCodesForm(user=request.user, profile=profile)
     account_edit_open = False
+    notifications_edit_open = False
     totp_edit_open = False
     if request.method == 'POST':
         form_kind = (request.POST.get('account_form') or '').strip()
@@ -166,6 +263,14 @@ def account_profile_page(request):
                 messages.success(request, _('Profildaten gespeichert.'))
                 return redirect('account_profile_page')
             messages.error(request, _('Profildaten konnten nicht gespeichert werden.'))
+        elif form_kind == 'notification_preferences':
+            notifications_edit_open = True
+            notification_preferences_form = AccountNotificationPreferencesForm(request.POST, profile=profile, user=request.user)
+            if notification_preferences_form.is_valid():
+                notification_preferences_form.save()
+                messages.success(request, _('Benachrichtigungseinstellungen gespeichert.'))
+                return redirect('account_profile_page')
+            messages.error(request, _('Benachrichtigungseinstellungen konnten nicht gespeichert werden.'))
         elif form_kind == 'totp_enable':
             totp_edit_open = True
             totp_enable_form = AccountTOTPEnableForm(request.POST, user=request.user, secret=pending_totp_secret)
@@ -222,10 +327,13 @@ def account_profile_page(request):
             'account_user_profile': profile,
             'avatar_form': avatar_form,
             'details_form': details_form,
+            'notification_preferences_form': notification_preferences_form,
+            'notification_preference_groups': notification_preferences_form.grouped_fields(),
             'totp_enable_form': totp_enable_form,
             'totp_disable_form': totp_disable_form,
             'totp_regenerate_form': totp_regenerate_form,
             'account_edit_open': account_edit_open,
+            'notifications_edit_open': notifications_edit_open,
             'totp_edit_open': totp_edit_open,
             'role_label': get_user_role_label(request.user),
             'totp_pending_secret': pending_totp_secret,
@@ -757,7 +865,7 @@ def _build_branding_sections(form, branding):
             'fields': ['portal_title', 'company_name', 'company_domain', 'default_language', 'login_subtitle'],
             'field_full': {'login_subtitle'},
             'hint_map': {
-                'company_domain': _('Wird für E-Mail-Vorschläge und Domain-bezogene Standardtexte verwendet, z. B. tub.co.'),
+                'company_domain': _('Wird für E-Mail-Vorschläge und Domain-bezogene Standardtexte verwendet, z. B. workdock.de.'),
             },
         },
         {
@@ -973,6 +1081,35 @@ def save_portal_trial_config(request):
             'auto_cleanup_enabled': trial_config.auto_cleanup_enabled,
         },
     )
+    if trial_config.is_trial_mode and trial_config.trial_expires_at:
+        remaining = trial_config.trial_expires_at - timezone.now()
+        if remaining.total_seconds() <= 0:
+            notify_user(
+                user=request.user,
+                title=_('Trial ist abgelaufen'),
+                body=_('Der Trial-Zeitraum ist überschritten. Nicht-Platform-Owner werden jetzt blockiert.'),
+                level=UserNotification.LEVEL_WARNING,
+                link_url='/admin-tools/trial/',
+                event_key=UserProfile.NOTIFICATION_TRIAL_ALERTS,
+            )
+        elif remaining <= timedelta(days=7):
+            notify_user(
+                user=request.user,
+                title=_('Trial läuft bald ab'),
+                body=_('Der Trial endet am %(date)s.') % {'date': timezone.localtime(trial_config.trial_expires_at).strftime('%d.%m.%Y %H:%M')},
+                level=UserNotification.LEVEL_WARNING,
+                link_url='/admin-tools/trial/',
+                event_key=UserProfile.NOTIFICATION_TRIAL_ALERTS,
+            )
+    elif not trial_config.is_trial_mode:
+        notify_user(
+            user=request.user,
+            title=_('Trial-Modus deaktiviert'),
+            body=_('Der Trial-Modus wurde ausgeschaltet.'),
+            level=UserNotification.LEVEL_INFO,
+            link_url='/admin-tools/trial/',
+            event_key=UserProfile.NOTIFICATION_TRIAL_ALERTS,
+        )
     messages.success(request, _('Trial-Konfiguration wurde gespeichert.'))
     return render(
         request,
@@ -1196,8 +1333,24 @@ def create_backup_from_admin(request):
             target_label=result['name'],
             details={'path': result['path']},
         )
+        notify_user(
+            user=request.user,
+            title=_('Backup erstellt: %(name)s') % {'name': result['name']},
+            body=_('Das Backup-Bundle wurde erfolgreich erstellt.'),
+            level=UserNotification.LEVEL_SUCCESS,
+            link_url='/admin-tools/backups/',
+            event_key=UserProfile.NOTIFICATION_BACKUP_SUCCESS,
+        )
         messages.success(request, _('Backup wurde erstellt: %(name)s') % {'name': result['name']})
     except Exception as exc:
+        notify_user(
+            user=request.user,
+            title=_('Backup fehlgeschlagen'),
+            body=str(exc),
+            level=UserNotification.LEVEL_ERROR,
+            link_url='/admin-tools/backups/',
+            event_key=UserProfile.NOTIFICATION_BACKUP_FAILURE,
+        )
         messages.error(request, _('Backup konnte nicht erstellt werden: %(error)s') % {'error': exc})
     return redirect('backup_recovery_page')
 
@@ -1214,8 +1367,24 @@ def verify_backup_from_admin(request, backup_name: str):
             target_label=backup_name,
             details={'summary': result['summary']},
         )
+        notify_user(
+            user=request.user,
+            title=_('Backup verifiziert: %(name)s') % {'name': result['name']},
+            body=result.get('summary') or _('Das Backup wurde erfolgreich verifiziert.'),
+            level=UserNotification.LEVEL_SUCCESS,
+            link_url='/admin-tools/backups/',
+            event_key=UserProfile.NOTIFICATION_BACKUP_SUCCESS,
+        )
         messages.success(request, _('Backup wurde verifiziert: %(name)s') % {'name': result['name']})
     except Exception as exc:
+        notify_user(
+            user=request.user,
+            title=_('Backup-Verifikation fehlgeschlagen'),
+            body=str(exc),
+            level=UserNotification.LEVEL_ERROR,
+            link_url='/admin-tools/backups/',
+            event_key=UserProfile.NOTIFICATION_BACKUP_FAILURE,
+        )
         messages.error(request, _('Backup-Verifikation fehlgeschlagen: %(error)s') % {'error': exc})
     return redirect('backup_recovery_page')
 
@@ -2492,17 +2661,36 @@ def form_builder_save_order(request):
 def send_test_email(request):
     mode = 'TEST_MODE_ON' if is_email_test_mode() else 'TEST_MODE_OFF'
     redirect_email = get_email_test_redirect()
-    send_system_email(
-        subject=f'SMTP test from onboarding/offboarding v2 ({mode})',
-        body=(
-            'This is a test email. If you see this, SMTP is configured correctly.\n'
-            f'EMAIL_TEST_MODE={is_email_test_mode()}\n'
-            f'EMAIL_TEST_REDIRECT={redirect_email}\n'
-        ),
-        to=[settings.TEST_NOTIFICATION_EMAIL],
-    )
-    _audit(request, 'smtp_test_sent', target_type='system_email', target_label=settings.TEST_NOTIFICATION_EMAIL, details={'email_test_mode': is_email_test_mode()})
-    messages.success(request, f'SMTP-Testmail wurde gesendet ({mode}).')
+    try:
+        send_system_email(
+            subject=f'SMTP test from onboarding/offboarding v2 ({mode})',
+            body=(
+                'This is a test email. If you see this, SMTP is configured correctly.\n'
+                f'EMAIL_TEST_MODE={is_email_test_mode()}\n'
+                f'EMAIL_TEST_REDIRECT={redirect_email}\n'
+            ),
+            to=[settings.TEST_NOTIFICATION_EMAIL],
+        )
+        _audit(request, 'smtp_test_sent', target_type='system_email', target_label=settings.TEST_NOTIFICATION_EMAIL, details={'email_test_mode': is_email_test_mode()})
+        notify_user(
+            user=request.user,
+            title=_('SMTP-Test erfolgreich'),
+            body=_('Die SMTP-Testmail wurde erfolgreich gesendet.'),
+            level=UserNotification.LEVEL_SUCCESS,
+            link_url='/admin-tools/integrations/',
+            event_key=UserProfile.NOTIFICATION_SYSTEM_ALERTS,
+        )
+        messages.success(request, f'SMTP-Testmail wurde gesendet ({mode}).')
+    except Exception as exc:
+        notify_user(
+            user=request.user,
+            title=_('SMTP-Test fehlgeschlagen'),
+            body=str(exc),
+            level=UserNotification.LEVEL_ERROR,
+            link_url='/admin-tools/integrations/',
+            event_key=UserProfile.NOTIFICATION_SYSTEM_ALERTS,
+        )
+        messages.error(request, _('SMTP-Testmail konnte nicht gesendet werden: %(error)s') % {'error': exc})
     return _redirect_back(request, 'home')
 
 
@@ -2525,11 +2713,35 @@ def nextcloud_test_upload(request):
         ok = upload_to_nextcloud(temp_path, filename)
         if ok:
             _audit(request, 'nextcloud_test_upload', target_type='nextcloud', target_label=filename, details={'result': 'success'})
+            notify_user(
+                user=request.user,
+                title=_('Nextcloud-Test erfolgreich'),
+                body=_('Der Testupload nach Nextcloud war erfolgreich.'),
+                level=UserNotification.LEVEL_SUCCESS,
+                link_url='/admin-tools/integrations/',
+                event_key=UserProfile.NOTIFICATION_SYSTEM_ALERTS,
+            )
             messages.success(request, f'Nextcloud-Testupload erfolgreich: {filename}')
         else:
             _audit(request, 'nextcloud_test_upload', target_type='nextcloud', target_label=filename, details={'result': 'error'})
+            notify_user(
+                user=request.user,
+                title=_('Nextcloud-Test fehlgeschlagen'),
+                body=_('Der Testupload nach Nextcloud ist fehlgeschlagen.'),
+                level=UserNotification.LEVEL_ERROR,
+                link_url='/admin-tools/integrations/',
+                event_key=UserProfile.NOTIFICATION_SYSTEM_ALERTS,
+            )
             messages.error(request, 'Nextcloud-Testupload fehlgeschlagen. Bitte Konfiguration prüfen.')
     except Exception as exc:
+        notify_user(
+            user=request.user,
+            title=_('Nextcloud-Test fehlgeschlagen'),
+            body=str(exc),
+            level=UserNotification.LEVEL_ERROR,
+            link_url='/admin-tools/integrations/',
+            event_key=UserProfile.NOTIFICATION_SYSTEM_ALERTS,
+        )
         messages.error(request, f'Nextcloud-Testupload fehlgeschlagen: {exc}')
     finally:
         if temp_path and temp_path.exists():