Format code with Black and isort for CI/CD compliance

- Apply Black formatting to all Python files in core and stiftung modules
- Fix import statement ordering with isort
- Ensure all code meets automated quality standards
- Resolve CI/CD pipeline formatting failures
- Maintain consistent code style across the entire codebase

app/stiftung/apps.py

@@ -1,5 +1,6 @@
 from django.apps import AppConfig
 
+
 class StiftungConfig(AppConfig):
-    default_auto_field = 'django.db.models.BigAutoField'
-    name = 'stiftung'
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "stiftung"

app/stiftung/audit.py

@@ -4,8 +4,10 @@ Provides functions to log user actions throughout the application
 """
 
 import json
-from django.utils import timezone
+
 from django.contrib.auth import get_user_model
+from django.utils import timezone
+
 from stiftung.models import AuditLog
 
 User = get_user_model()
@@ -13,18 +15,20 @@ User = get_user_model()
 
 def get_client_ip(request):
     """Extract the client IP address from the request"""
-    x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
+    x_forwarded_for = request.META.get("HTTP_X_FORWARDED_FOR")
     if x_forwarded_for:
-        ip = x_forwarded_for.split(',')[0]
+        ip = x_forwarded_for.split(",")[0]
     else:
-        ip = request.META.get('REMOTE_ADDR')
+        ip = request.META.get("REMOTE_ADDR")
     return ip
 
 
-def log_action(request, action, entity_type, entity_id, entity_name, description, changes=None):
+def log_action(
+    request, action, entity_type, entity_id, entity_name, description, changes=None
+):
     """
     Log a user action to the audit log
-    
+
     Args:
         request: Django request object
         action: Action type (create, update, delete, etc.)
@@ -35,28 +39,28 @@ def log_action(request, action, entity_type, entity_id, entity_name, description
         changes: Dictionary of field changes (optional)
     """
     user = request.user if request.user.is_authenticated else None
-    username = user.username if user else 'Anonymous'
-    
+    username = user.username if user else "Anonymous"
+
     # Get request metadata
     ip_address = get_client_ip(request)
-    user_agent = request.META.get('HTTP_USER_AGENT', '')
-    session_key = request.session.session_key if hasattr(request, 'session') else ''
-    
+    user_agent = request.META.get("HTTP_USER_AGENT", "")
+    session_key = request.session.session_key if hasattr(request, "session") else ""
+
     # Create audit log entry
     audit_entry = AuditLog.objects.create(
         user=user,
         username=username,
         action=action,
         entity_type=entity_type,
-        entity_id=str(entity_id) if entity_id else '',
+        entity_id=str(entity_id) if entity_id else "",
         entity_name=entity_name,
         description=description,
         changes=changes,
         ip_address=ip_address,
         user_agent=user_agent[:500],  # Truncate to avoid very long user agents
-        session_key=session_key
+        session_key=session_key,
     )
-    
+
     return audit_entry
 
 
@@ -64,14 +68,14 @@ def log_create(request, entity_type, entity_id, entity_name, description=None):
     """Log entity creation"""
     if not description:
         description = f"Neue {entity_type.replace('_', ' ').title()} '{entity_name}' wurde erstellt"
-    
+
     return log_action(
         request=request,
-        action='create',
+        action="create",
         entity_type=entity_type,
         entity_id=entity_id,
         entity_name=entity_name,
-        description=description
+        description=description,
     )
 
 
@@ -81,60 +85,78 @@ def log_update(request, entity_type, entity_id, entity_name, changes, descriptio
         changed_fields = list(changes.keys()) if changes else []
         fields_str = ", ".join(changed_fields)
         description = f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde aktualisiert: {fields_str}"
-    
+
     return log_action(
         request=request,
-        action='update',
+        action="update",
         entity_type=entity_type,
         entity_id=entity_id,
         entity_name=entity_name,
         description=description,
-        changes=changes
+        changes=changes,
     )
 
 
 def log_delete(request, entity_type, entity_id, entity_name, description=None):
     """Log entity deletion"""
     if not description:
-        description = f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde gelöscht"
-    
+        description = (
+            f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde gelöscht"
+        )
+
     return log_action(
         request=request,
-        action='delete',
+        action="delete",
         entity_type=entity_type,
         entity_id=entity_id,
         entity_name=entity_name,
-        description=description
+        description=description,
     )
 
 
-def log_link(request, entity_type, entity_id, entity_name, target_type, target_name, description=None):
+def log_link(
+    request,
+    entity_type,
+    entity_id,
+    entity_name,
+    target_type,
+    target_name,
+    description=None,
+):
     """Log entity linking"""
     if not description:
         description = f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde mit {target_type.replace('_', ' ')} '{target_name}' verknüpft"
-    
+
     return log_action(
         request=request,
-        action='link',
+        action="link",
         entity_type=entity_type,
         entity_id=entity_id,
         entity_name=entity_name,
-        description=description
+        description=description,
     )
 
 
-def log_unlink(request, entity_type, entity_id, entity_name, target_type, target_name, description=None):
+def log_unlink(
+    request,
+    entity_type,
+    entity_id,
+    entity_name,
+    target_type,
+    target_name,
+    description=None,
+):
     """Log entity unlinking"""
     if not description:
         description = f"Verknüpfung zwischen {entity_type.replace('_', ' ').title()} '{entity_name}' und {target_type.replace('_', ' ')} '{target_name}' wurde entfernt"
-    
+
     return log_action(
         request=request,
-        action='unlink',
+        action="unlink",
         entity_type=entity_type,
         entity_id=entity_id,
         entity_name=entity_name,
-        description=description
+        description=description,
     )
 
 
@@ -143,51 +165,54 @@ def log_system_action(request, action, description, details=None):
     return log_action(
         request=request,
         action=action,
-        entity_type='system',
-        entity_id='',
-        entity_name='System',
+        entity_type="system",
+        entity_id="",
+        entity_name="System",
         description=description,
-        changes=details
+        changes=details,
     )
 
 
 def track_model_changes(old_instance, new_instance, exclude_fields=None):
     """
     Track changes between model instances
-    
+
     Args:
         old_instance: Original model instance
-        new_instance: Updated model instance  
+        new_instance: Updated model instance
         exclude_fields: List of fields to exclude from tracking
-        
+
     Returns:
         Dictionary of changes in format {field: {'old': old_value, 'new': new_value}}
     """
     if exclude_fields is None:
-        exclude_fields = ['id', 'erstellt_am', 'aktualisiert_am', 'created_at', 'updated_at']
-    
+        exclude_fields = [
+            "id",
+            "erstellt_am",
+            "aktualisiert_am",
+            "created_at",
+            "updated_at",
+        ]
+
     changes = {}
-    
+
     if old_instance and new_instance:
         for field in new_instance._meta.fields:
             field_name = field.name
-            
+
             if field_name in exclude_fields:
                 continue
-                
+
             old_value = getattr(old_instance, field_name, None)
             new_value = getattr(new_instance, field_name, None)
-            
+
             # Convert to string for comparison
             old_str = str(old_value) if old_value is not None else None
             new_str = str(new_value) if new_value is not None else None
-            
+
             if old_str != new_str:
-                changes[field_name] = {
-                    'old': old_str,
-                    'new': new_str
-                }
-    
+                changes[field_name] = {"old": old_str, "new": new_str}
+
     return changes
 
 
@@ -195,38 +220,39 @@ class AuditLogMixin:
     """
     Mixin for views that provides audit logging functionality
     """
+
     audit_entity_type = None
-    audit_entity_name_field = 'name'
-    
+    audit_entity_name_field = "name"
+
     def get_audit_entity_type(self):
         """Get the entity type for audit logging"""
         if self.audit_entity_type:
             return self.audit_entity_type
-        
+
         # Try to derive from model name
-        if hasattr(self, 'model') and self.model:
+        if hasattr(self, "model") and self.model:
             return self.model.__name__.lower()
-        
-        return 'unknown'
-    
+
+        return "unknown"
+
     def get_audit_entity_name(self, instance):
         """Get the entity name for audit logging"""
         if hasattr(instance, self.audit_entity_name_field):
             return str(getattr(instance, self.audit_entity_name_field))
-        elif hasattr(instance, '__str__'):
+        elif hasattr(instance, "__str__"):
             return str(instance)
         else:
             return f"{self.get_audit_entity_type()} #{instance.pk}"
-    
+
     def log_create_action(self, instance):
         """Log creation of an instance"""
         log_create(
             request=self.request,
             entity_type=self.get_audit_entity_type(),
             entity_id=instance.pk,
-            entity_name=self.get_audit_entity_name(instance)
+            entity_name=self.get_audit_entity_name(instance),
         )
-    
+
     def log_update_action(self, old_instance, new_instance):
         """Log update of an instance"""
         changes = track_model_changes(old_instance, new_instance)
@@ -236,16 +262,16 @@ class AuditLogMixin:
                 entity_type=self.get_audit_entity_type(),
                 entity_id=new_instance.pk,
                 entity_name=self.get_audit_entity_name(new_instance),
-                changes=changes
+                changes=changes,
             )
-    
+
     def log_delete_action(self, instance):
         """Log deletion of an instance"""
         log_delete(
             request=self.request,
             entity_type=self.get_audit_entity_type(),
             entity_id=instance.pk,
-            entity_name=self.get_audit_entity_name(instance)
+            entity_name=self.get_audit_entity_name(instance),
         )
 
 
@@ -255,11 +281,11 @@ def log_login(request, user):
     try:
         return log_action(
             request=request,
-            action='login',
-            entity_type='user',
+            action="login",
+            entity_type="user",
             entity_id=user.pk,
             entity_name=user.get_username(),
-            description=f"User '{user.get_username()}' logged in"
+            description=f"User '{user.get_username()}' logged in",
         )
     except Exception:
         return None
@@ -268,14 +294,14 @@ def log_login(request, user):
 def log_logout(request, user):
     """Log a successful user logout."""
     try:
-        username = user.get_username() if user else 'Unknown'
+        username = user.get_username() if user else "Unknown"
         return log_action(
             request=request,
-            action='logout',
-            entity_type='user',
-            entity_id=getattr(user, 'pk', ''),
+            action="logout",
+            entity_type="user",
+            entity_id=getattr(user, "pk", ""),
             entity_name=username,
-            description=f"User '{username}' logged out"
+            description=f"User '{username}' logged out",
         )
     except Exception:
         return None

app/stiftung/backup_utils.py

@@ -6,17 +6,19 @@ Handles creation and restoration of complete system backups
 import os
 import shutil
 import subprocess
-import tempfile
 import tarfile
+import tempfile
 from datetime import datetime
+
 from django.conf import settings
 from django.utils import timezone
+
 from stiftung.models import BackupJob
 
 
 def get_backup_directory():
     """Get or create the backup directory"""
-    backup_dir = '/app/backups'
+    backup_dir = "/app/backups"
     os.makedirs(backup_dir, exist_ok=True)
     return backup_dir
 
@@ -28,48 +30,48 @@ def run_backup(backup_job_id):
     """
     try:
         backup_job = BackupJob.objects.get(id=backup_job_id)
-        backup_job.status = 'running'
+        backup_job.status = "running"
         backup_job.started_at = timezone.now()
         backup_job.save()
-        
+
         backup_dir = get_backup_directory()
-        timestamp = datetime.now().strftime('%Y%m%d_%H%M%S')
+        timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
         backup_filename = f"stiftung_backup_{timestamp}.tar.gz"
         backup_path = os.path.join(backup_dir, backup_filename)
-        
+
         # Create temporary directory for backup staging
         with tempfile.TemporaryDirectory() as temp_dir:
-            staging_dir = os.path.join(temp_dir, 'backup_staging')
+            staging_dir = os.path.join(temp_dir, "backup_staging")
             os.makedirs(staging_dir)
-            
+
             # 1. Database backup
-            if backup_job.backup_type in ['full', 'database']:
+            if backup_job.backup_type in ["full", "database"]:
                 db_backup_path = create_database_backup(staging_dir)
                 if not db_backup_path:
                     raise Exception("Database backup failed")
-            
+
             # 2. Files backup
-            if backup_job.backup_type in ['full', 'files']:
+            if backup_job.backup_type in ["full", "files"]:
                 files_backup_path = create_files_backup(staging_dir)
                 if not files_backup_path:
                     raise Exception("Files backup failed")
-            
+
             # 3. Create metadata file
             create_backup_metadata(staging_dir, backup_job)
-            
+
             # 4. Create compressed archive
             create_compressed_backup(staging_dir, backup_path)
-            
+
             # 5. Update job status
             backup_size = os.path.getsize(backup_path)
-            backup_job.status = 'completed'
+            backup_job.status = "completed"
             backup_job.completed_at = timezone.now()
             backup_job.backup_filename = backup_filename
             backup_job.backup_size = backup_size
             backup_job.save()
-            
+
     except Exception as e:
-        backup_job.status = 'failed'
+        backup_job.status = "failed"
         backup_job.error_message = str(e)
         backup_job.completed_at = timezone.now()
         backup_job.save()
@@ -78,37 +80,42 @@ def run_backup(backup_job_id):
 def create_database_backup(staging_dir):
     """Create a database backup using pg_dump"""
     try:
-        db_backup_file = os.path.join(staging_dir, 'database.sql')
-        
+        db_backup_file = os.path.join(staging_dir, "database.sql")
+
         # Get database settings
-        db_settings = settings.DATABASES['default']
-        
+        db_settings = settings.DATABASES["default"]
+
         # Build pg_dump command
         cmd = [
-            'pg_dump',
-            '--host', db_settings.get('HOST', 'localhost'),
-            '--port', str(db_settings.get('PORT', 5432)),
-            '--username', db_settings.get('USER', 'postgres'),
-            '--format', 'custom',
-            '--no-owner',            # portability across environments
-            '--no-privileges',       # skip GRANT/REVOKE
-            '--no-password',
-            '--file', db_backup_file,
-            db_settings.get('NAME', 'stiftung')
+            "pg_dump",
+            "--host",
+            db_settings.get("HOST", "localhost"),
+            "--port",
+            str(db_settings.get("PORT", 5432)),
+            "--username",
+            db_settings.get("USER", "postgres"),
+            "--format",
+            "custom",
+            "--no-owner",  # portability across environments
+            "--no-privileges",  # skip GRANT/REVOKE
+            "--no-password",
+            "--file",
+            db_backup_file,
+            db_settings.get("NAME", "stiftung"),
         ]
-        
+
         # Set environment variables for authentication
         env = os.environ.copy()
-        env['PGPASSWORD'] = db_settings.get('PASSWORD', '')
-        
+        env["PGPASSWORD"] = db_settings.get("PASSWORD", "")
+
         # Run pg_dump
         result = subprocess.run(cmd, env=env, capture_output=True, text=True)
-        
+
         if result.returncode != 0:
             raise Exception(f"pg_dump failed: {result.stderr}")
-        
+
         return db_backup_file
-        
+
     except Exception as e:
         print(f"Database backup failed: {e}")
         return None
@@ -117,28 +124,28 @@ def create_database_backup(staging_dir):
 def create_files_backup(staging_dir):
     """Create backup of application files"""
     try:
-        files_dir = os.path.join(staging_dir, 'files')
+        files_dir = os.path.join(staging_dir, "files")
         os.makedirs(files_dir)
-        
+
         # Files to backup
         backup_paths = [
-            '/app/media',  # User uploads
-            '/app/static',  # Static files
-            '/app/.env',  # Environment configuration
+            "/app/media",  # User uploads
+            "/app/static",  # Static files
+            "/app/.env",  # Environment configuration
         ]
-        
+
         for source_path in backup_paths:
             if os.path.exists(source_path):
                 basename = os.path.basename(source_path)
                 dest_path = os.path.join(files_dir, basename)
-                
+
                 if os.path.isdir(source_path):
                     shutil.copytree(source_path, dest_path)
                 else:
                     shutil.copy2(source_path, dest_path)
-        
+
         return files_dir
-        
+
     except Exception as e:
         print(f"Files backup failed: {e}")
         return None
@@ -147,26 +154,28 @@ def create_files_backup(staging_dir):
 def create_backup_metadata(staging_dir, backup_job):
     """Create metadata file with backup information"""
     import json
-    
+
     metadata = {
-        'backup_id': str(backup_job.id),
-        'backup_type': backup_job.backup_type,
-        'created_at': backup_job.created_at.isoformat(),
-        'created_by': backup_job.created_by.username if backup_job.created_by else 'system',
-        'django_version': '5.0.6',
-        'app_version': '1.0.0',
-        'python_version': '3.12',
+        "backup_id": str(backup_job.id),
+        "backup_type": backup_job.backup_type,
+        "created_at": backup_job.created_at.isoformat(),
+        "created_by": (
+            backup_job.created_by.username if backup_job.created_by else "system"
+        ),
+        "django_version": "5.0.6",
+        "app_version": "1.0.0",
+        "python_version": "3.12",
     }
-    
-    metadata_file = os.path.join(staging_dir, 'backup_metadata.json')
-    with open(metadata_file, 'w') as f:
+
+    metadata_file = os.path.join(staging_dir, "backup_metadata.json")
+    with open(metadata_file, "w") as f:
         json.dump(metadata, f, indent=2)
 
 
 def create_compressed_backup(staging_dir, backup_path):
     """Create compressed tar.gz archive"""
-    with tarfile.open(backup_path, 'w:gz') as tar:
-        tar.add(staging_dir, arcname='.')
+    with tarfile.open(backup_path, "w:gz") as tar:
+        tar.add(staging_dir, arcname=".")
 
 
 def run_restore(restore_job_id, backup_file_path):
@@ -176,46 +185,47 @@ def run_restore(restore_job_id, backup_file_path):
     """
     try:
         restore_job = BackupJob.objects.get(id=restore_job_id)
-        restore_job.status = 'running'
+        restore_job.status = "running"
         restore_job.started_at = timezone.now()
         restore_job.save()
-        
+
         # Extract backup
         with tempfile.TemporaryDirectory() as temp_dir:
-            extract_dir = os.path.join(temp_dir, 'restore')
+            extract_dir = os.path.join(temp_dir, "restore")
             os.makedirs(extract_dir)
-            
+
             # Extract tar.gz
-            with tarfile.open(backup_file_path, 'r:gz') as tar:
+            with tarfile.open(backup_file_path, "r:gz") as tar:
                 tar.extractall(extract_dir)
-            
+
             # Validate backup
-            metadata_file = os.path.join(extract_dir, 'backup_metadata.json')
+            metadata_file = os.path.join(extract_dir, "backup_metadata.json")
             if not os.path.exists(metadata_file):
                 raise Exception("Invalid backup: missing metadata")
-            
+
             # Read metadata
             import json
-            with open(metadata_file, 'r') as f:
+
+            with open(metadata_file, "r") as f:
                 metadata = json.load(f)
-            
+
             # Restore database
-            db_backup_file = os.path.join(extract_dir, 'database.sql')
+            db_backup_file = os.path.join(extract_dir, "database.sql")
             if os.path.exists(db_backup_file):
                 restore_database(db_backup_file)
-            
+
             # Restore files
-            files_dir = os.path.join(extract_dir, 'files')
+            files_dir = os.path.join(extract_dir, "files")
             if os.path.exists(files_dir):
                 restore_files(files_dir)
-            
+
             # Update job status
-            restore_job.status = 'completed'
+            restore_job.status = "completed"
             restore_job.completed_at = timezone.now()
             restore_job.save()
-            
+
     except Exception as e:
-        restore_job.status = 'failed'
+        restore_job.status = "failed"
         restore_job.error_message = str(e)
         restore_job.completed_at = timezone.now()
         restore_job.save()
@@ -225,42 +235,47 @@ def restore_database(db_backup_file):
     """Restore database from backup"""
     try:
         # Get database settings
-        db_settings = settings.DATABASES['default']
-        
+        db_settings = settings.DATABASES["default"]
+
         # Build pg_restore command
         cmd = [
-            'pg_restore',
-            '--host', db_settings.get('HOST', 'localhost'),
-            '--port', str(db_settings.get('PORT', 5432)),
-            '--username', db_settings.get('USER', 'postgres'),
-            '--dbname', db_settings.get('NAME', 'stiftung'),
-            '--clean',  # Drop existing objects first
-            '--if-exists',  # Don't error if objects don't exist
-            '--no-owner',  # don't attempt to set original owners
-            '--role', db_settings.get('USER', 'postgres'),  # set target owner
-            '--single-transaction',  # restore atomically when possible
-            '--disable-triggers',    # avoid FK issues during data load
-            '--no-password',
-            '--verbose',
-            db_backup_file
+            "pg_restore",
+            "--host",
+            db_settings.get("HOST", "localhost"),
+            "--port",
+            str(db_settings.get("PORT", 5432)),
+            "--username",
+            db_settings.get("USER", "postgres"),
+            "--dbname",
+            db_settings.get("NAME", "stiftung"),
+            "--clean",  # Drop existing objects first
+            "--if-exists",  # Don't error if objects don't exist
+            "--no-owner",  # don't attempt to set original owners
+            "--role",
+            db_settings.get("USER", "postgres"),  # set target owner
+            "--single-transaction",  # restore atomically when possible
+            "--disable-triggers",  # avoid FK issues during data load
+            "--no-password",
+            "--verbose",
+            db_backup_file,
         ]
-        
+
         # Set environment variables for authentication
         env = os.environ.copy()
-        env['PGPASSWORD'] = db_settings.get('PASSWORD', '')
-        
+        env["PGPASSWORD"] = db_settings.get("PASSWORD", "")
+
         # Run pg_restore
         result = subprocess.run(cmd, env=env, capture_output=True, text=True)
-        
+
         # Fail if there are real errors
         if result.returncode != 0:
-            stderr = result.stderr or ''
+            stderr = result.stderr or ""
             # escalate only if we see ERROR
-            if 'ERROR' in stderr.upper():
+            if "ERROR" in stderr.upper():
                 raise Exception(f"pg_restore failed: {stderr}")
             else:
                 print(f"pg_restore completed with warnings: {stderr}")
-        
+
     except Exception as e:
         raise Exception(f"Database restore failed: {e}")
 
@@ -270,29 +285,31 @@ def restore_files(files_dir):
     try:
         # Restore paths
         restore_mappings = {
-            'media': '/app/media',
-            'static': '/app/static',
-            '.env': '/app/.env',
+            "media": "/app/media",
+            "static": "/app/static",
+            ".env": "/app/.env",
         }
-        
+
         for source_name, dest_path in restore_mappings.items():
             source_path = os.path.join(files_dir, source_name)
-            
+
             if os.path.exists(source_path):
                 # Backup existing files first
                 if os.path.exists(dest_path):
-                    backup_path = f"{dest_path}.backup.{datetime.now().strftime('%Y%m%d_%H%M%S')}"
+                    backup_path = (
+                        f"{dest_path}.backup.{datetime.now().strftime('%Y%m%d_%H%M%S')}"
+                    )
                     if os.path.isdir(dest_path):
                         shutil.move(dest_path, backup_path)
                     else:
                         shutil.copy2(dest_path, backup_path)
-                
+
                 # Restore files
                 if os.path.isdir(source_path):
                     shutil.copytree(source_path, dest_path)
                 else:
                     shutil.copy2(source_path, dest_path)
-        
+
     except Exception as e:
         raise Exception(f"Files restore failed: {e}")
 
@@ -302,19 +319,19 @@ def cleanup_old_backups(keep_count=10):
     try:
         backup_dir = get_backup_directory()
         backup_files = []
-        
+
         for filename in os.listdir(backup_dir):
-            if filename.startswith('stiftung_backup_') and filename.endswith('.tar.gz'):
+            if filename.startswith("stiftung_backup_") and filename.endswith(".tar.gz"):
                 filepath = os.path.join(backup_dir, filename)
                 backup_files.append((filepath, os.path.getmtime(filepath)))
-        
+
         # Sort by modification time (newest first)
         backup_files.sort(key=lambda x: x[1], reverse=True)
-        
+
         # Remove old backups
         for filepath, _ in backup_files[keep_count:]:
             os.remove(filepath)
             print(f"Removed old backup: {os.path.basename(filepath)}")
-            
+
     except Exception as e:
         print(f"Cleanup failed: {e}")

app/stiftung/management/commands/generate_recurring_payments.py

@@ -3,60 +3,64 @@ Management command to generate due recurring support payments.
 This command should be run daily via cron or similar scheduling system.
 """
 
+import logging
+from datetime import timedelta
+
 from django.core.management.base import BaseCommand
 from django.utils import timezone
-from datetime import timedelta
+
 from stiftung.models import UnterstuetzungWiederkehrend
-import logging
 
 logger = logging.getLogger(__name__)
 
+
 class Command(BaseCommand):
-    help = 'Generate due recurring support payments'
-    
+    help = "Generate due recurring support payments"
+
     def add_arguments(self, parser):
         parser.add_argument(
-            '--dry-run',
-            action='store_true',
-            help='Show what would be generated without actually creating payments',
+            "--dry-run",
+            action="store_true",
+            help="Show what would be generated without actually creating payments",
         )
         parser.add_argument(
-            '--days-ahead',
+            "--days-ahead",
             type=int,
             default=0,
-            help='Generate payments that are due within this many days (default: 0 = only today)',
+            help="Generate payments that are due within this many days (default: 0 = only today)",
         )
-        
+
     def handle(self, *args, **options):
-        dry_run = options['dry_run']
-        days_ahead = options['days_ahead']
-        
+        dry_run = options["dry_run"]
+        days_ahead = options["days_ahead"]
+
         heute = timezone.now().date()
         cutoff_date = heute + timedelta(days=days_ahead)
-        
+
         self.stdout.write(
             self.style.SUCCESS(
                 f'Checking for recurring payments due up to {cutoff_date.strftime("%d.%m.%Y")}...'
             )
         )
-        
+
         if dry_run:
-            self.stdout.write(self.style.WARNING('DRY RUN MODE - No payments will be created'))
-        
+            self.stdout.write(
+                self.style.WARNING("DRY RUN MODE - No payments will be created")
+            )
+
         # Get all active recurring payment templates that are due
         templates = UnterstuetzungWiederkehrend.objects.filter(
-            aktiv=True,
-            naechste_generierung__lte=cutoff_date
-        ).select_related('destinataer', 'konto')
-        
+            aktiv=True, naechste_generierung__lte=cutoff_date
+        ).select_related("destinataer", "konto")
+
         generated_count = 0
         error_count = 0
-        
+
         for template in templates:
             try:
                 if dry_run:
                     self.stdout.write(
-                        f'Would generate: {template.destinataer.get_full_name()} - '
+                        f"Would generate: {template.destinataer.get_full_name()} - "
                         f'€{template.betrag} due {template.naechste_generierung.strftime("%d.%m.%Y")}'
                     )
                     generated_count += 1
@@ -66,68 +70,67 @@ class Command(BaseCommand):
                     if neue_zahlung:
                         self.stdout.write(
                             self.style.SUCCESS(
-                                f'Generated: {neue_zahlung.destinataer.get_full_name()} - '
+                                f"Generated: {neue_zahlung.destinataer.get_full_name()} - "
                                 f'€{neue_zahlung.betrag} due {neue_zahlung.faellig_am.strftime("%d.%m.%Y")}'
                             )
                         )
                         generated_count += 1
-                        logger.info(f'Generated recurring payment: {neue_zahlung.pk}')
+                        logger.info(f"Generated recurring payment: {neue_zahlung.pk}")
                     else:
                         self.stdout.write(
                             self.style.WARNING(
-                                f'No payment generated for {template.destinataer.get_full_name()} '
-                                f'(may have reached end date or not yet due)'
+                                f"No payment generated for {template.destinataer.get_full_name()} "
+                                f"(may have reached end date or not yet due)"
                             )
                         )
             except Exception as e:
                 error_count += 1
                 self.stdout.write(
                     self.style.ERROR(
-                        f'Error generating payment for {template.destinataer.get_full_name()}: {str(e)}'
+                        f"Error generating payment for {template.destinataer.get_full_name()}: {str(e)}"
                     )
                 )
-                logger.error(f'Error generating recurring payment for template {template.pk}: {str(e)}')
-        
+                logger.error(
+                    f"Error generating recurring payment for template {template.pk}: {str(e)}"
+                )
+
         # Summary
-        self.stdout.write('\n' + '='*50)
+        self.stdout.write("\n" + "=" * 50)
         if dry_run:
             self.stdout.write(
                 self.style.SUCCESS(
-                    f'DRY RUN COMPLETE: {generated_count} payments would be generated'
+                    f"DRY RUN COMPLETE: {generated_count} payments would be generated"
                 )
             )
         else:
             self.stdout.write(
                 self.style.SUCCESS(
-                    f'GENERATION COMPLETE: {generated_count} payments generated'
+                    f"GENERATION COMPLETE: {generated_count} payments generated"
                 )
             )
-        
+
         if error_count > 0:
-            self.stdout.write(
-                self.style.ERROR(f'{error_count} errors encountered')
-            )
-        
+            self.stdout.write(self.style.ERROR(f"{error_count} errors encountered"))
+
         # Also check for overdue payments and report them
         from stiftung.models import DestinataerUnterstuetzung
-        
+
         overdue_payments = DestinataerUnterstuetzung.objects.filter(
-            faellig_am__lt=heute,
-            status__in=['geplant', 'faellig']
-        ).select_related('destinataer')
-        
+            faellig_am__lt=heute, status__in=["geplant", "faellig"]
+        ).select_related("destinataer")
+
         if overdue_payments.exists():
-            self.stdout.write('\n' + '='*50)
+            self.stdout.write("\n" + "=" * 50)
             self.stdout.write(
                 self.style.WARNING(
-                    f'WARNING: {overdue_payments.count()} overdue payments found:'
+                    f"WARNING: {overdue_payments.count()} overdue payments found:"
                 )
             )
             for payment in overdue_payments[:10]:  # Limit to first 10
                 days_overdue = (heute - payment.faellig_am).days
                 self.stdout.write(
-                    f'  - {payment.destinataer.get_full_name()}: €{payment.betrag} '
-                    f'({days_overdue} days overdue)'
+                    f"  - {payment.destinataer.get_full_name()}: €{payment.betrag} "
+                    f"({days_overdue} days overdue)"
                 )
             if overdue_payments.count() > 10:
-                self.stdout.write(f'  ... and {overdue_payments.count() - 10} more')
+                self.stdout.write(f"  ... and {overdue_payments.count() - 10} more")

app/stiftung/management/commands/init_config.py

@@ -1,93 +1,94 @@
 from django.core.management.base import BaseCommand
+
 from stiftung.models import AppConfiguration
 
 
 class Command(BaseCommand):
-    help = 'Initialize default app configuration settings'
+    help = "Initialize default app configuration settings"
 
     def handle(self, *args, **options):
         # Paperless Integration Settings
         paperless_settings = [
             {
-                'key': 'paperless_api_url',
-                'display_name': 'Paperless API URL',
-                'description': 'The base URL for your Paperless-NGX API (e.g., http://paperless.example.com:8000)',
-                'value': 'http://192.168.178.167:30070',
-                'default_value': 'http://192.168.178.167:30070',
-                'setting_type': 'url',
-                'category': 'paperless',
-                'order': 1
+                "key": "paperless_api_url",
+                "display_name": "Paperless API URL",
+                "description": "The base URL for your Paperless-NGX API (e.g., http://paperless.example.com:8000)",
+                "value": "http://192.168.178.167:30070",
+                "default_value": "http://192.168.178.167:30070",
+                "setting_type": "url",
+                "category": "paperless",
+                "order": 1,
             },
             {
-                'key': 'paperless_api_token',
-                'display_name': 'Paperless API Token',
-                'description': 'The authentication token for Paperless API access',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'text',
-                'category': 'paperless',
-                'order': 2
+                "key": "paperless_api_token",
+                "display_name": "Paperless API Token",
+                "description": "The authentication token for Paperless API access",
+                "value": "",
+                "default_value": "",
+                "setting_type": "text",
+                "category": "paperless",
+                "order": 2,
             },
             {
-                'key': 'paperless_destinataere_tag',
-                'display_name': 'Destinatäre Tag Name',
-                'description': 'The tag name used to identify Destinatäre documents in Paperless',
-                'value': 'Stiftung_Destinatäre',
-                'default_value': 'Stiftung_Destinatäre',
-                'setting_type': 'tag',
-                'category': 'paperless',
-                'order': 3
+                "key": "paperless_destinataere_tag",
+                "display_name": "Destinatäre Tag Name",
+                "description": "The tag name used to identify Destinatäre documents in Paperless",
+                "value": "Stiftung_Destinatäre",
+                "default_value": "Stiftung_Destinatäre",
+                "setting_type": "tag",
+                "category": "paperless",
+                "order": 3,
             },
             {
-                'key': 'paperless_destinataere_tag_id',
-                'display_name': 'Destinatäre Tag ID',
-                'description': 'The numeric ID of the Destinatäre tag in Paperless',
-                'value': '210',
-                'default_value': '210',
-                'setting_type': 'tag_id',
-                'category': 'paperless',
-                'order': 4
+                "key": "paperless_destinataere_tag_id",
+                "display_name": "Destinatäre Tag ID",
+                "description": "The numeric ID of the Destinatäre tag in Paperless",
+                "value": "210",
+                "default_value": "210",
+                "setting_type": "tag_id",
+                "category": "paperless",
+                "order": 4,
             },
             {
-                'key': 'paperless_land_tag',
-                'display_name': 'Land & Pächter Tag Name',
-                'description': 'The tag name used to identify Land and Pächter documents in Paperless',
-                'value': 'Stiftung_Land_und_Pächter',
-                'default_value': 'Stiftung_Land_und_Pächter',
-                'setting_type': 'tag',
-                'category': 'paperless',
-                'order': 5
+                "key": "paperless_land_tag",
+                "display_name": "Land & Pächter Tag Name",
+                "description": "The tag name used to identify Land and Pächter documents in Paperless",
+                "value": "Stiftung_Land_und_Pächter",
+                "default_value": "Stiftung_Land_und_Pächter",
+                "setting_type": "tag",
+                "category": "paperless",
+                "order": 5,
             },
             {
-                'key': 'paperless_land_tag_id',
-                'display_name': 'Land & Pächter Tag ID',
-                'description': 'The numeric ID of the Land & Pächter tag in Paperless',
-                'value': '204',
-                'default_value': '204',
-                'setting_type': 'tag_id',
-                'category': 'paperless',
-                'order': 6
+                "key": "paperless_land_tag_id",
+                "display_name": "Land & Pächter Tag ID",
+                "description": "The numeric ID of the Land & Pächter tag in Paperless",
+                "value": "204",
+                "default_value": "204",
+                "setting_type": "tag_id",
+                "category": "paperless",
+                "order": 6,
             },
             {
-                'key': 'paperless_admin_tag',
-                'display_name': 'Administration Tag Name',
-                'description': 'The tag name used to identify Administration documents in Paperless',
-                'value': 'Stiftung_Administration',
-                'default_value': 'Stiftung_Administration',
-                'setting_type': 'tag',
-                'category': 'paperless',
-                'order': 7
+                "key": "paperless_admin_tag",
+                "display_name": "Administration Tag Name",
+                "description": "The tag name used to identify Administration documents in Paperless",
+                "value": "Stiftung_Administration",
+                "default_value": "Stiftung_Administration",
+                "setting_type": "tag",
+                "category": "paperless",
+                "order": 7,
             },
             {
-                'key': 'paperless_admin_tag_id',
-                'display_name': 'Administration Tag ID',
-                'description': 'The numeric ID of the Administration tag in Paperless',
-                'value': '216',
-                'default_value': '216',
-                'setting_type': 'tag_id',
-                'category': 'paperless',
-                'order': 8
-            }
+                "key": "paperless_admin_tag_id",
+                "display_name": "Administration Tag ID",
+                "description": "The numeric ID of the Administration tag in Paperless",
+                "value": "216",
+                "default_value": "216",
+                "setting_type": "tag_id",
+                "category": "paperless",
+                "order": 8,
+            },
         ]
 
         created_count = 0
@@ -95,26 +96,25 @@ class Command(BaseCommand):
 
         for setting_data in paperless_settings:
             setting, created = AppConfiguration.objects.get_or_create(
-                key=setting_data['key'],
-                defaults=setting_data
+                key=setting_data["key"], defaults=setting_data
             )
-            
+
             if created:
                 created_count += 1
                 self.stdout.write(
-                    self.style.SUCCESS(f'Created setting: {setting.display_name}')
+                    self.style.SUCCESS(f"Created setting: {setting.display_name}")
                 )
             else:
                 # Update existing setting with new defaults if needed
                 if not setting.description:
-                    setting.description = setting_data['description']
+                    setting.description = setting_data["description"]
                     setting.save()
                     updated_count += 1
 
         self.stdout.write(
             self.style.SUCCESS(
-                f'Configuration initialized successfully! '
-                f'Created {created_count} new settings, updated {updated_count} existing settings.'
+                f"Configuration initialized successfully! "
+                f"Created {created_count} new settings, updated {updated_count} existing settings."
             )
         )
         self.stdout.write(

app/stiftung/management/commands/init_corporate_settings.py

@@ -1,114 +1,116 @@
 """
 Management command to initialize corporate identity settings
 """
+
 from django.core.management.base import BaseCommand
+
 from stiftung.models import AppConfiguration
 
 
 class Command(BaseCommand):
-    help = 'Initialize corporate identity settings for PDF generation'
+    help = "Initialize corporate identity settings for PDF generation"
 
     def handle(self, *args, **options):
         corporate_settings = [
             {
-                'key': 'corporate_stiftung_name',
-                'display_name': 'Name der Stiftung',
-                'description': 'Der offizielle Name der Stiftung für PDF-Dokumente',
-                'value': 'Stiftung',
-                'default_value': 'Stiftung',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 1
+                "key": "corporate_stiftung_name",
+                "display_name": "Name der Stiftung",
+                "description": "Der offizielle Name der Stiftung für PDF-Dokumente",
+                "value": "Stiftung",
+                "default_value": "Stiftung",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 1,
             },
             {
-                'key': 'corporate_logo_path',
-                'display_name': 'Logo-Pfad',
-                'description': 'Pfad zur Logo-Datei (relativ zu MEDIA_ROOT oder STATIC_ROOT)',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 2
+                "key": "corporate_logo_path",
+                "display_name": "Logo-Pfad",
+                "description": "Pfad zur Logo-Datei (relativ zu MEDIA_ROOT oder STATIC_ROOT)",
+                "value": "",
+                "default_value": "",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 2,
             },
             {
-                'key': 'corporate_primary_color',
-                'display_name': 'Primärfarbe',
-                'description': 'Hauptfarbe für Überschriften und Akzente (Hex-Code)',
-                'value': '#2c3e50',
-                'default_value': '#2c3e50',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 3
+                "key": "corporate_primary_color",
+                "display_name": "Primärfarbe",
+                "description": "Hauptfarbe für Überschriften und Akzente (Hex-Code)",
+                "value": "#2c3e50",
+                "default_value": "#2c3e50",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 3,
             },
             {
-                'key': 'corporate_secondary_color',
-                'display_name': 'Sekundärfarbe',
-                'description': 'Zweitfarbe für Akzente und Details (Hex-Code)',
-                'value': '#3498db',
-                'default_value': '#3498db',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 4
+                "key": "corporate_secondary_color",
+                "display_name": "Sekundärfarbe",
+                "description": "Zweitfarbe für Akzente und Details (Hex-Code)",
+                "value": "#3498db",
+                "default_value": "#3498db",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 4,
             },
             {
-                'key': 'corporate_address_line1',
-                'display_name': 'Adresse Zeile 1',
-                'description': 'Erste Zeile der Stiftungsadresse',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 5
+                "key": "corporate_address_line1",
+                "display_name": "Adresse Zeile 1",
+                "description": "Erste Zeile der Stiftungsadresse",
+                "value": "",
+                "default_value": "",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 5,
             },
             {
-                'key': 'corporate_address_line2',
-                'display_name': 'Adresse Zeile 2',
-                'description': 'Zweite Zeile der Stiftungsadresse (PLZ, Ort)',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 6
+                "key": "corporate_address_line2",
+                "display_name": "Adresse Zeile 2",
+                "description": "Zweite Zeile der Stiftungsadresse (PLZ, Ort)",
+                "value": "",
+                "default_value": "",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 6,
             },
             {
-                'key': 'corporate_phone',
-                'display_name': 'Telefonnummer',
-                'description': 'Telefonnummer der Stiftung',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 7
+                "key": "corporate_phone",
+                "display_name": "Telefonnummer",
+                "description": "Telefonnummer der Stiftung",
+                "value": "",
+                "default_value": "",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 7,
             },
             {
-                'key': 'corporate_email',
-                'display_name': 'E-Mail-Adresse',
-                'description': 'Offizielle E-Mail-Adresse der Stiftung',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 8
+                "key": "corporate_email",
+                "display_name": "E-Mail-Adresse",
+                "description": "Offizielle E-Mail-Adresse der Stiftung",
+                "value": "",
+                "default_value": "",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 8,
             },
             {
-                'key': 'corporate_website',
-                'display_name': 'Website',
-                'description': 'Website der Stiftung',
-                'value': '',
-                'default_value': '',
-                'setting_type': 'url',
-                'category': 'corporate',
-                'order': 9
+                "key": "corporate_website",
+                "display_name": "Website",
+                "description": "Website der Stiftung",
+                "value": "",
+                "default_value": "",
+                "setting_type": "url",
+                "category": "corporate",
+                "order": 9,
             },
             {
-                'key': 'corporate_footer_text',
-                'display_name': 'Fußzeilen-Text',
-                'description': 'Text für die Fußzeile in PDF-Dokumenten',
-                'value': 'Dieser Bericht wurde automatisch generiert.',
-                'default_value': 'Dieser Bericht wurde automatisch generiert.',
-                'setting_type': 'text',
-                'category': 'corporate',
-                'order': 10
+                "key": "corporate_footer_text",
+                "display_name": "Fußzeilen-Text",
+                "description": "Text für die Fußzeile in PDF-Dokumenten",
+                "value": "Dieser Bericht wurde automatisch generiert.",
+                "default_value": "Dieser Bericht wurde automatisch generiert.",
+                "setting_type": "text",
+                "category": "corporate",
+                "order": 10,
             },
         ]
 
@@ -117,33 +119,32 @@ class Command(BaseCommand):
 
         for setting_data in corporate_settings:
             setting, created = AppConfiguration.objects.get_or_create(
-                key=setting_data['key'],
-                defaults=setting_data
+                key=setting_data["key"], defaults=setting_data
             )
-            
+
             if created:
                 created_count += 1
                 self.stdout.write(
-                    self.style.SUCCESS(f'Created setting: {setting.display_name}')
+                    self.style.SUCCESS(f"Created setting: {setting.display_name}")
                 )
             else:
                 # Update existing setting with new defaults if needed
                 if not setting.description:
-                    setting.description = setting_data['description']
+                    setting.description = setting_data["description"]
                     setting.save()
                     updated_count += 1
 
         self.stdout.write(
             self.style.SUCCESS(
-                f'Corporate identity settings initialized! '
-                f'Created {created_count} new settings, updated {updated_count} existing settings.'
+                f"Corporate identity settings initialized! "
+                f"Created {created_count} new settings, updated {updated_count} existing settings."
             )
         )
-        
+
         if created_count > 0:
             self.stdout.write(
                 self.style.WARNING(
-                    'Please configure your corporate identity settings in '
-                    'Administration -> Application Settings before generating PDFs.'
+                    "Please configure your corporate identity settings in "
+                    "Administration -> Application Settings before generating PDFs."
                 )
             )

app/stiftung/management/commands/migrate_verpachtungen.py

@@ -1,84 +1,93 @@
+import logging
+
 from django.core.management.base import BaseCommand
 from django.db import transaction
-from stiftung.models import Land, Verpachtung, Paechter
-import logging
+
+from stiftung.models import Land, Paechter, Verpachtung
 
 logger = logging.getLogger(__name__)
 
+
 class Command(BaseCommand):
-    help = 'Migriert bestehende Verpachtungen in die neue Land-Struktur'
+    help = "Migriert bestehende Verpachtungen in die neue Land-Struktur"
 
     def add_arguments(self, parser):
         parser.add_argument(
-            '--dry-run',
-            action='store_true',
-            help='Zeigt nur an, was gemacht würde, ohne Änderungen zu speichern',
+            "--dry-run",
+            action="store_true",
+            help="Zeigt nur an, was gemacht würde, ohne Änderungen zu speichern",
         )
 
     def handle(self, *args, **options):
-        dry_run = options['dry_run']
-        
+        dry_run = options["dry_run"]
+
         if dry_run:
-            self.stdout.write(self.style.WARNING('DRY RUN - Keine Änderungen werden gespeichert!'))
-        
+            self.stdout.write(
+                self.style.WARNING("DRY RUN - Keine Änderungen werden gespeichert!")
+            )
+
         # Alle aktiven Verpachtungen finden
-        aktive_verpachtungen = Verpachtung.objects.filter(status='aktiv')
-        
-        self.stdout.write(f'Gefunden: {aktive_verpachtungen.count()} aktive Verpachtungen')
-        
+        aktive_verpachtungen = Verpachtung.objects.filter(status="aktiv")
+
+        self.stdout.write(
+            f"Gefunden: {aktive_verpachtungen.count()} aktive Verpachtungen"
+        )
+
         migrated_count = 0
         skipped_count = 0
-        
+
         with transaction.atomic():
             for verpachtung in aktive_verpachtungen:
                 land = verpachtung.land
-                
+
                 # Prüfen ob bereits migriert
                 if land.aktueller_paechter is not None:
                     self.stdout.write(
                         self.style.WARNING(
-                            f'Übersprungen: {land} hat bereits einen aktuellen Pächter'
+                            f"Übersprungen: {land} hat bereits einen aktuellen Pächter"
                         )
                     )
                     skipped_count += 1
                     continue
-                
+
                 # Migration durchführen
-                self.stdout.write(f'Migriere: {land} -> {verpachtung.paechter}')
-                
+                self.stdout.write(f"Migriere: {land} -> {verpachtung.paechter}")
+
                 if not dry_run:
                     # Pächter-Daten ins Land übertragen
                     land.aktueller_paechter = verpachtung.paechter
                     land.paechter_name = verpachtung.paechter.get_full_name()
-                    land.paechter_anschrift = self._get_paechter_anschrift(verpachtung.paechter)
+                    land.paechter_anschrift = self._get_paechter_anschrift(
+                        verpachtung.paechter
+                    )
                     land.pachtbeginn = verpachtung.pachtbeginn
                     land.pachtende = verpachtung.pachtende
                     land.verlaengerung_klausel = bool(verpachtung.verlaengerung)
-                    
+
                     # Pachtzins übertragen
                     land.pachtzins_pauschal = verpachtung.pachtzins_jaehrlich
-                    
+
                     # Verpachtete Fläche aktualisieren (falls nicht gesetzt)
                     if land.verp_flaeche_aktuell == 0:
                         land.verp_flaeche_aktuell = verpachtung.verpachtete_flaeche
-                    
+
                     land.save()
-                
+
                 migrated_count += 1
-        
+
         if dry_run:
             self.stdout.write(
                 self.style.SUCCESS(
-                    f'DRY RUN abgeschlossen: {migrated_count} Verpachtungen würden migriert, {skipped_count} übersprungen'
+                    f"DRY RUN abgeschlossen: {migrated_count} Verpachtungen würden migriert, {skipped_count} übersprungen"
                 )
             )
         else:
             self.stdout.write(
                 self.style.SUCCESS(
-                    f'Migration abgeschlossen: {migrated_count} Verpachtungen migriert, {skipped_count} übersprungen'
+                    f"Migration abgeschlossen: {migrated_count} Verpachtungen migriert, {skipped_count} übersprungen"
                 )
             )
-    
+
     def _get_paechter_anschrift(self, paechter):
         """Erstellt eine Anschrift aus den Pächter-Daten"""
         parts = []
@@ -88,5 +97,5 @@ class Command(BaseCommand):
             parts.append(f"{paechter.plz} {paechter.ort}")
         elif paechter.ort:
             parts.append(paechter.ort)
-        
-        return '\n'.join(parts) if parts else ''
+
+        return "\n".join(parts) if parts else ""

app/stiftung/management/commands/sync_abrechnungen.py

@@ -12,110 +12,116 @@ Usage:
     python manage.py sync_abrechnungen [--dry-run] [--year YEAR]
 """
 
+from datetime import date
+from decimal import Decimal
+
 from django.core.management.base import BaseCommand, CommandError
 from django.db import transaction
-from decimal import Decimal
-from datetime import date
-from stiftung.models import Verpachtung, LandVerpachtung, LandAbrechnung
+
+from stiftung.models import LandAbrechnung, LandVerpachtung, Verpachtung
 
 
 class Command(BaseCommand):
-    help = 'Synchronize existing Verpachtungen with LandAbrechnungen'
+    help = "Synchronize existing Verpachtungen with LandAbrechnungen"
 
     def add_arguments(self, parser):
         parser.add_argument(
-            '--dry-run',
-            action='store_true',
-            help='Show what would be done without making changes',
+            "--dry-run",
+            action="store_true",
+            help="Show what would be done without making changes",
         )
         parser.add_argument(
-            '--year',
+            "--year",
             type=int,
-            help='Only sync data for specific year',
+            help="Only sync data for specific year",
         )
         parser.add_argument(
-            '--force',
-            action='store_true',
-            help='Force update even if Abrechnungen already exist',
+            "--force",
+            action="store_true",
+            help="Force update even if Abrechnungen already exist",
         )
 
     def handle(self, *args, **options):
-        dry_run = options['dry_run']
-        target_year = options['year']
-        force = options['force']
-        
+        dry_run = options["dry_run"]
+        target_year = options["year"]
+        force = options["force"]
+
         self.stdout.write(
-            self.style.SUCCESS('🔄 Starting Abrechnung synchronization...')
+            self.style.SUCCESS("🔄 Starting Abrechnung synchronization...")
         )
-        
+
         if dry_run:
-            self.stdout.write(self.style.WARNING('📋 DRY RUN MODE - No changes will be made'))
-        
+            self.stdout.write(
+                self.style.WARNING("📋 DRY RUN MODE - No changes will be made")
+            )
+
         # Statistics
         stats = {
-            'legacy_contracts': 0,
-            'new_contracts': 0,
-            'abrechnungen_created': 0,
-            'abrechnungen_updated': 0,
-            'total_rent_amount': Decimal('0.00'),
-            'years_processed': set(),
+            "legacy_contracts": 0,
+            "new_contracts": 0,
+            "abrechnungen_created": 0,
+            "abrechnungen_updated": 0,
+            "total_rent_amount": Decimal("0.00"),
+            "years_processed": set(),
         }
-        
+
         try:
             with transaction.atomic():
                 # Process Legacy Verpachtungen
-                self.stdout.write('\n📄 Processing Legacy Verpachtungen...')
+                self.stdout.write("\n📄 Processing Legacy Verpachtungen...")
                 legacy_verpachtungen = Verpachtung.objects.all()
-                
+
                 for verpachtung in legacy_verpachtungen:
-                    stats['legacy_contracts'] += 1
+                    stats["legacy_contracts"] += 1
                     years_affected = self._get_affected_years(
                         verpachtung.pachtbeginn,
                         verpachtung.verlaengerung or verpachtung.pachtende,
-                        target_year
+                        target_year,
                     )
-                    
+
                     for year in years_affected:
-                        stats['years_processed'].add(year)
-                        rent_amount = self._calculate_legacy_rent_for_year(verpachtung, year)
-                        
+                        stats["years_processed"].add(year)
+                        rent_amount = self._calculate_legacy_rent_for_year(
+                            verpachtung, year
+                        )
+
                         if not dry_run:
                             created, updated = self._update_abrechnung(
                                 verpachtung.land,
                                 year,
                                 rent_amount,
-                                Decimal('0.00'),  # No umlage for legacy
+                                Decimal("0.00"),  # No umlage for legacy
                                 f"Legacy-Verpachtung {verpachtung.vertragsnummer}",
-                                force
+                                force,
                             )
                             if created:
-                                stats['abrechnungen_created'] += 1
+                                stats["abrechnungen_created"] += 1
                             if updated:
-                                stats['abrechnungen_updated'] += 1
-                        
-                        stats['total_rent_amount'] += rent_amount
-                        
+                                stats["abrechnungen_updated"] += 1
+
+                        stats["total_rent_amount"] += rent_amount
+
                         self.stdout.write(
                             f"  📊 {verpachtung.vertragsnummer} ({year}): {rent_amount:.2f}€"
                         )
-                
-                # Process New LandVerpachtungen  
-                self.stdout.write('\n🆕 Processing New LandVerpachtungen...')
+
+                # Process New LandVerpachtungen
+                self.stdout.write("\n🆕 Processing New LandVerpachtungen...")
                 land_verpachtungen = LandVerpachtung.objects.all()
-                
+
                 for verpachtung in land_verpachtungen:
-                    stats['new_contracts'] += 1
+                    stats["new_contracts"] += 1
                     years_affected = self._get_affected_years(
-                        verpachtung.pachtbeginn,
-                        verpachtung.pachtende,
-                        target_year
+                        verpachtung.pachtbeginn, verpachtung.pachtende, target_year
                     )
-                    
+
                     for year in years_affected:
-                        stats['years_processed'].add(year)
-                        rent_amount = self._calculate_new_rent_for_year(verpachtung, year)
-                        umlage_amount = Decimal('0.00')  # To be calculated later
-                        
+                        stats["years_processed"].add(year)
+                        rent_amount = self._calculate_new_rent_for_year(
+                            verpachtung, year
+                        )
+                        umlage_amount = Decimal("0.00")  # To be calculated later
+
                         if not dry_run:
                             created, updated = self._update_abrechnung(
                                 verpachtung.land,
@@ -123,131 +129,143 @@ class Command(BaseCommand):
                                 rent_amount,
                                 umlage_amount,
                                 f"LandVerpachtung {verpachtung.vertragsnummer}",
-                                force
+                                force,
                             )
                             if created:
-                                stats['abrechnungen_created'] += 1
+                                stats["abrechnungen_created"] += 1
                             if updated:
-                                stats['abrechnungen_updated'] += 1
-                        
-                        stats['total_rent_amount'] += rent_amount
-                        
+                                stats["abrechnungen_updated"] += 1
+
+                        stats["total_rent_amount"] += rent_amount
+
                         self.stdout.write(
                             f"  📊 {verpachtung.vertragsnummer} ({year}): {rent_amount:.2f}€"
                         )
-                
+
                 if dry_run:
                     # Rollback transaction in dry run
                     transaction.set_rollback(True)
-        
+
         except Exception as e:
             self.stdout.write(
-                self.style.ERROR(f'❌ Error during synchronization: {str(e)}')
+                self.style.ERROR(f"❌ Error during synchronization: {str(e)}")
             )
-            raise CommandError(f'Synchronization failed: {str(e)}')
-        
+            raise CommandError(f"Synchronization failed: {str(e)}")
+
         # Print summary
-        self.stdout.write('\n' + '='*50)
-        self.stdout.write(self.style.SUCCESS('📈 SYNCHRONIZATION SUMMARY'))
-        self.stdout.write('='*50)
+        self.stdout.write("\n" + "=" * 50)
+        self.stdout.write(self.style.SUCCESS("📈 SYNCHRONIZATION SUMMARY"))
+        self.stdout.write("=" * 50)
         self.stdout.write(f"Legacy contracts processed: {stats['legacy_contracts']}")
         self.stdout.write(f"New contracts processed: {stats['new_contracts']}")
-        self.stdout.write(f"Years affected: {', '.join(map(str, sorted(stats['years_processed'])))}")
+        self.stdout.write(
+            f"Years affected: {', '.join(map(str, sorted(stats['years_processed'])))}"
+        )
         self.stdout.write(f"Abrechnungen created: {stats['abrechnungen_created']}")
         self.stdout.write(f"Abrechnungen updated: {stats['abrechnungen_updated']}")
         self.stdout.write(f"Total rent amount: {stats['total_rent_amount']:.2f}€")
-        
+
         if dry_run:
-            self.stdout.write(self.style.WARNING('\n📋 This was a DRY RUN - no changes were saved'))
+            self.stdout.write(
+                self.style.WARNING("\n📋 This was a DRY RUN - no changes were saved")
+            )
         else:
-            self.stdout.write(self.style.SUCCESS('\n✅ Synchronization completed successfully!'))
+            self.stdout.write(
+                self.style.SUCCESS("\n✅ Synchronization completed successfully!")
+            )
 
     def _get_affected_years(self, start_date, end_date, target_year=None):
         """Get all years affected by a contract"""
         if not start_date:
             return []
-        
+
         years = []
         start_year = start_date.year
         end_year = end_date.year if end_date else date.today().year
-        
+
         if target_year:
             if start_year <= target_year <= end_year:
                 return [target_year]
             else:
                 return []
-        
+
         for year in range(start_year, end_year + 1):
             years.append(year)
-        
+
         return years
-    
+
     def _calculate_legacy_rent_for_year(self, verpachtung, year):
         """Calculate rent for legacy Verpachtung for specific year"""
         if not verpachtung.pachtzins_jaehrlich or not verpachtung.pachtbeginn:
-            return Decimal('0.00')
-        
+            return Decimal("0.00")
+
         year_start = date(year, 1, 1)
         year_end = date(year, 12, 31)
-        
-        contract_end_date = verpachtung.verlaengerung if verpachtung.verlaengerung else verpachtung.pachtende
+
+        contract_end_date = (
+            verpachtung.verlaengerung
+            if verpachtung.verlaengerung
+            else verpachtung.pachtende
+        )
         contract_start = max(verpachtung.pachtbeginn, year_start)
         contract_end = min(contract_end_date or year_end, year_end)
-        
+
         if contract_start > contract_end:
-            return Decimal('0.00')
-        
+            return Decimal("0.00")
+
         days_in_year = (year_end - year_start).days + 1
         days_active = (contract_end - contract_start).days + 1
         proportion = Decimal(str(days_active)) / Decimal(str(days_in_year))
-        
+
         return Decimal(str(verpachtung.pachtzins_jaehrlich)) * proportion
-    
+
     def _calculate_new_rent_for_year(self, verpachtung, year):
         """Calculate rent for new LandVerpachtung for specific year"""
         if not verpachtung.pachtzins_pauschal or not verpachtung.pachtbeginn:
-            return Decimal('0.00')
-        
+            return Decimal("0.00")
+
         year_start = date(year, 1, 1)
         year_end = date(year, 12, 31)
-        
+
         contract_start = max(verpachtung.pachtbeginn, year_start)
         contract_end = min(verpachtung.pachtende or year_end, year_end)
-        
+
         if contract_start > contract_end:
-            return Decimal('0.00')
-        
+            return Decimal("0.00")
+
         days_in_year = (year_end - year_start).days + 1
         days_active = (contract_end - contract_start).days + 1
         proportion = Decimal(str(days_active)) / Decimal(str(days_in_year))
-        
+
         return Decimal(str(verpachtung.pachtzins_pauschal)) * proportion
-    
-    def _update_abrechnung(self, land, year, rent_amount, umlage_amount, source_note, force):
+
+    def _update_abrechnung(
+        self, land, year, rent_amount, umlage_amount, source_note, force
+    ):
         """Update or create Abrechnung for specific land and year"""
         abrechnung, created = LandAbrechnung.objects.get_or_create(
             land=land,
             abrechnungsjahr=year,
             defaults={
-                'pacht_vereinnahmt': rent_amount,
-                'umlagen_vereinnahmt': umlage_amount,
-                'bemerkungen': f'[{date.today().strftime("%d.%m.%Y")}] Automatisch synchronisiert von {source_note}'
-            }
+                "pacht_vereinnahmt": rent_amount,
+                "umlagen_vereinnahmt": umlage_amount,
+                "bemerkungen": f'[{date.today().strftime("%d.%m.%Y")}] Automatisch synchronisiert von {source_note}',
+            },
         )
-        
+
         updated = False
         if not created and force:
             # Update existing
             abrechnung.pacht_vereinnahmt += rent_amount
             abrechnung.umlagen_vereinnahmt += umlage_amount
-            
+
             sync_note = f'[{date.today().strftime("%d.%m.%Y")}] Resync: +{rent_amount:.2f}€ von {source_note}'
             if abrechnung.bemerkungen:
-                abrechnung.bemerkungen += f'\n{sync_note}'
+                abrechnung.bemerkungen += f"\n{sync_note}"
             else:
                 abrechnung.bemerkungen = sync_note
-            
+
             abrechnung.save()
             updated = True
-        
+
         return created, updated

app/stiftung/management/commands/unify_verpachtungen.py

@@ -1,111 +1,127 @@
+import logging
+from datetime import datetime
+
 from django.core.management.base import BaseCommand
 from django.db import transaction
-from stiftung.models import Land, Verpachtung, Paechter, LandAbrechnung
-from datetime import datetime
-import logging
+
+from stiftung.models import Land, LandAbrechnung, Paechter, Verpachtung
 
 logger = logging.getLogger(__name__)
 
+
 class Command(BaseCommand):
-    help = 'Vereinheitlicht Verpachtungen, Land und Abrechnungen zu einem konsistenten System'
+    help = "Vereinheitlicht Verpachtungen, Land und Abrechnungen zu einem konsistenten System"
 
     def add_arguments(self, parser):
         parser.add_argument(
-            '--dry-run',
-            action='store_true',
-            help='Zeigt nur an, was gemacht würde, ohne Änderungen zu speichern',
+            "--dry-run",
+            action="store_true",
+            help="Zeigt nur an, was gemacht würde, ohne Änderungen zu speichern",
         )
         parser.add_argument(
-            '--create-abrechnungen',
-            action='store_true',
-            help='Erstellt automatisch Abrechnungen aus Verpachtungsdaten',
+            "--create-abrechnungen",
+            action="store_true",
+            help="Erstellt automatisch Abrechnungen aus Verpachtungsdaten",
         )
 
     def handle(self, *args, **options):
-        dry_run = options['dry_run']
-        create_abrechnungen = options['create_abrechnungen']
-        
+        dry_run = options["dry_run"]
+        create_abrechnungen = options["create_abrechnungen"]
+
         if dry_run:
-            self.stdout.write(self.style.WARNING('DRY RUN - Keine Änderungen werden gespeichert!'))
-        
+            self.stdout.write(
+                self.style.WARNING("DRY RUN - Keine Änderungen werden gespeichert!")
+            )
+
         # Schritt 1: Alle Verpachtungen analysieren
-        alle_verpachtungen = Verpachtung.objects.all().order_by('land', '-pachtbeginn')
-        self.stdout.write(f'Gefunden: {alle_verpachtungen.count()} Verpachtungen insgesamt')
-        
+        alle_verpachtungen = Verpachtung.objects.all().order_by("land", "-pachtbeginn")
+        self.stdout.write(
+            f"Gefunden: {alle_verpachtungen.count()} Verpachtungen insgesamt"
+        )
+
         land_updates = 0
         abrechnungen_created = 0
-        
+
         with transaction.atomic():
             current_land = None
-            
+
             for verpachtung in alle_verpachtungen:
                 land = verpachtung.land
-                
+
                 # Für jedes Land nur die neueste aktive Verpachtung als "aktuell" setzen
                 if current_land != land:
                     current_land = land
-                    
+
                     # Prüfen ob dies die neueste aktive Verpachtung ist
-                    if verpachtung.status == 'aktiv' and not land.aktueller_paechter:
-                        self.stdout.write(f'Setze aktuelle Verpachtung: {land} -> {verpachtung.paechter}')
-                        
+                    if verpachtung.status == "aktiv" and not land.aktueller_paechter:
+                        self.stdout.write(
+                            f"Setze aktuelle Verpachtung: {land} -> {verpachtung.paechter}"
+                        )
+
                         if not dry_run:
                             # Land-Felder aktualisieren
                             land.aktueller_paechter = verpachtung.paechter
                             land.paechter_name = verpachtung.paechter.get_full_name()
-                            land.paechter_anschrift = self._get_paechter_anschrift(verpachtung.paechter)
+                            land.paechter_anschrift = self._get_paechter_anschrift(
+                                verpachtung.paechter
+                            )
                             land.pachtbeginn = verpachtung.pachtbeginn
                             land.pachtende = verpachtung.pachtende
                             land.verlaengerung_klausel = bool(verpachtung.verlaengerung)
                             land.pachtzins_pauschal = verpachtung.pachtzins_jaehrlich
-                            
+
                             # Verpachtete Fläche synchronisieren
                             land.verp_flaeche_aktuell = verpachtung.verpachtete_flaeche
-                            
+
                             land.save()
                             land_updates += 1
-                
+
                 # Schritt 2: Abrechnungen aus Verpachtungen erstellen (optional)
-                if create_abrechnungen and verpachtung.status == 'aktiv':
+                if create_abrechnungen and verpachtung.status == "aktiv":
                     # Erstelle Abrechnungen für die letzten 3 Jahre
                     current_year = datetime.now().year
                     for jahr in range(current_year - 2, current_year + 1):
-                        
+
                         # Prüfen ob Abrechnung bereits existiert
                         existing = LandAbrechnung.objects.filter(
-                            land=land, 
-                            abrechnungsjahr=jahr
+                            land=land, abrechnungsjahr=jahr
                         ).first()
-                        
+
                         if not existing:
-                            self.stdout.write(f'Erstelle Abrechnung: {land} - {jahr}')
-                            
+                            self.stdout.write(f"Erstelle Abrechnung: {land} - {jahr}")
+
                             if not dry_run:
                                 abrechnung = LandAbrechnung.objects.create(
                                     land=land,
                                     abrechnungsjahr=jahr,
                                     pacht_vereinnahmt=verpachtung.pachtzins_jaehrlich,
-                                    bemerkungen=f'Automatisch erstellt aus Verpachtung {verpachtung.vertragsnummer}'
+                                    bemerkungen=f"Automatisch erstellt aus Verpachtung {verpachtung.vertragsnummer}",
                                 )
                                 abrechnungen_created += 1
-        
+
         # Zusammenfassung
-        self.stdout.write(self.style.SUCCESS('\n=== MIGRATION ABGESCHLOSSEN ==='))
+        self.stdout.write(self.style.SUCCESS("\n=== MIGRATION ABGESCHLOSSEN ==="))
         if dry_run:
-            self.stdout.write(f'DRY RUN: {land_updates} Länder würden aktualisiert')
+            self.stdout.write(f"DRY RUN: {land_updates} Länder würden aktualisiert")
             if create_abrechnungen:
-                self.stdout.write(f'DRY RUN: {abrechnungen_created} Abrechnungen würden erstellt')
+                self.stdout.write(
+                    f"DRY RUN: {abrechnungen_created} Abrechnungen würden erstellt"
+                )
         else:
-            self.stdout.write(f'✓ {land_updates} Länder aktualisiert')
+            self.stdout.write(f"✓ {land_updates} Länder aktualisiert")
             if create_abrechnungen:
-                self.stdout.write(f'✓ {abrechnungen_created} Abrechnungen erstellt')
-        
+                self.stdout.write(f"✓ {abrechnungen_created} Abrechnungen erstellt")
+
         # Empfehlungen
-        self.stdout.write(self.style.WARNING('\n=== NÄCHSTE SCHRITTE ==='))
-        self.stdout.write('1. Prüfen Sie die migrierten Daten in der Weboberfläche')
-        self.stdout.write('2. Alte Verpachtungs-Views können als "Legacy" markiert werden')
-        self.stdout.write('3. Neue Verpachtungen sollten direkt im Land-Model erstellt werden')
-    
+        self.stdout.write(self.style.WARNING("\n=== NÄCHSTE SCHRITTE ==="))
+        self.stdout.write("1. Prüfen Sie die migrierten Daten in der Weboberfläche")
+        self.stdout.write(
+            '2. Alte Verpachtungs-Views können als "Legacy" markiert werden'
+        )
+        self.stdout.write(
+            "3. Neue Verpachtungen sollten direkt im Land-Model erstellt werden"
+        )
+
     def _get_paechter_anschrift(self, paechter):
         """Erstellt eine Anschrift aus den Pächter-Daten"""
         parts = []
@@ -115,5 +131,5 @@ class Command(BaseCommand):
             parts.append(f"{paechter.plz} {paechter.ort}")
         elif paechter.ort:
             parts.append(paechter.ort)
-        
-        return '\n'.join(parts) if parts else ''
+
+        return "\n".join(parts) if parts else ""

app/stiftung/middleware.py

@@ -4,11 +4,13 @@ Automatically tracks all model changes throughout the application
 """
 
 import threading
-from django.utils.deprecation import MiddlewareMixin
+
 from django.contrib.auth.signals import user_logged_in, user_logged_out
-from django.db.models.signals import post_save, post_delete, pre_save
+from django.db.models.signals import post_delete, post_save, pre_save
 from django.dispatch import receiver
-from stiftung.audit import log_action, track_model_changes, get_client_ip
+from django.utils.deprecation import MiddlewareMixin
+
+from stiftung.audit import get_client_ip, log_action, track_model_changes
 
 # Thread-local storage for request context
 _local = threading.local()
@@ -18,54 +20,54 @@ class AuditMiddleware(MiddlewareMixin):
     """
     Middleware that sets up request context for audit logging
     """
-    
+
     def process_request(self, request):
         """Store request in thread-local storage for access in signal handlers"""
         _local.request = request
         _local.user_changes = {}  # Store pre-save state for change tracking
         return None
-    
+
     def process_response(self, request, response):
         """Clean up thread-local storage"""
-        if hasattr(_local, 'request'):
-            delattr(_local, 'request')
-        if hasattr(_local, 'user_changes'):
-            delattr(_local, 'user_changes')
+        if hasattr(_local, "request"):
+            delattr(_local, "request")
+        if hasattr(_local, "user_changes"):
+            delattr(_local, "user_changes")
         return response
 
 
 def get_current_request():
     """Get the current request from thread-local storage"""
-    return getattr(_local, 'request', None)
+    return getattr(_local, "request", None)
 
 
 def get_entity_type_from_model(model):
     """Map Django model to audit entity type"""
     model_name = model.__name__.lower()
-    
+
     mapping = {
-        'destinataer': 'destinataer',
-        'land': 'land', 
-        'paechter': 'paechter',
-        'verpachtung': 'verpachtung',
-        'foerderung': 'foerderung',
-        'rentmeister': 'rentmeister',
-        'stiftungskonto': 'stiftungskonto',
-        'verwaltungskosten': 'verwaltungskosten',
-        'banktransaction': 'banktransaction',
-        'dokumentlink': 'dokumentlink',
-        'user': 'user',
-        'person': 'destinataer',  # Legacy model maps to destinataer
+        "destinataer": "destinataer",
+        "land": "land",
+        "paechter": "paechter",
+        "verpachtung": "verpachtung",
+        "foerderung": "foerderung",
+        "rentmeister": "rentmeister",
+        "stiftungskonto": "stiftungskonto",
+        "verwaltungskosten": "verwaltungskosten",
+        "banktransaction": "banktransaction",
+        "dokumentlink": "dokumentlink",
+        "user": "user",
+        "person": "destinataer",  # Legacy model maps to destinataer
     }
-    
-    return mapping.get(model_name, 'unknown')
+
+    return mapping.get(model_name, "unknown")
 
 
 def get_entity_name(instance):
     """Get a human-readable name for an entity"""
-    if hasattr(instance, 'get_full_name') and callable(instance.get_full_name):
+    if hasattr(instance, "get_full_name") and callable(instance.get_full_name):
         return instance.get_full_name()
-    elif hasattr(instance, '__str__'):
+    elif hasattr(instance, "__str__"):
         return str(instance)
     else:
         return f"{instance.__class__.__name__} #{instance.pk}"
@@ -76,22 +78,22 @@ def get_entity_name(instance):
 def store_pre_save_state(sender, instance, **kwargs):
     """Store the pre-save state for change tracking"""
     request = get_current_request()
-    if not request or not hasattr(request, 'user'):
+    if not request or not hasattr(request, "user"):
         return
-    
+
     # Skip if user is not authenticated
     if not request.user.is_authenticated:
         return
-    
+
     # Skip audit log entries themselves to avoid infinite loops
-    if sender.__name__ == 'AuditLog':
+    if sender.__name__ == "AuditLog":
         return
-    
+
     # Store the current state if this is an update
     if instance.pk:
         try:
             old_instance = sender.objects.get(pk=instance.pk)
-            if not hasattr(_local, 'user_changes'):
+            if not hasattr(_local, "user_changes"):
                 _local.user_changes = {}
             _local.user_changes[instance.pk] = old_instance
         except sender.DoesNotExist:
@@ -102,53 +104,53 @@ def store_pre_save_state(sender, instance, **kwargs):
 def log_model_save(sender, instance, created, **kwargs):
     """Log model creation and updates"""
     request = get_current_request()
-    if not request or not hasattr(request, 'user'):
+    if not request or not hasattr(request, "user"):
         return
-    
+
     # Skip if user is not authenticated
     if not request.user.is_authenticated:
         return
-    
+
     # Skip audit log entries themselves to avoid infinite loops
-    if sender.__name__ == 'AuditLog':
+    if sender.__name__ == "AuditLog":
         return
-    
+
     # Skip certain system models
-    if sender.__name__ in ['Session', 'LogEntry', 'ContentType', 'Permission']:
+    if sender.__name__ in ["Session", "LogEntry", "ContentType", "Permission"]:
         return
-    
+
     entity_type = get_entity_type_from_model(sender)
     entity_name = get_entity_name(instance)
     entity_id = str(instance.pk)
-    
+
     if created:
         # Log creation
         description = f"Neue {entity_type.replace('_', ' ').title()} '{entity_name}' wurde erstellt"
         log_action(
             request=request,
-            action='create',
+            action="create",
             entity_type=entity_type,
             entity_id=entity_id,
             entity_name=entity_name,
-            description=description
+            description=description,
         )
     else:
         # Log update with changes
         changes = {}
-        if hasattr(_local, 'user_changes') and instance.pk in _local.user_changes:
+        if hasattr(_local, "user_changes") and instance.pk in _local.user_changes:
             old_instance = _local.user_changes[instance.pk]
             changes = track_model_changes(old_instance, instance)
-        
+
         if changes:  # Only log if there are actual changes
             description = f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde aktualisiert"
             log_action(
                 request=request,
-                action='update', 
+                action="update",
                 entity_type=entity_type,
                 entity_id=entity_id,
                 entity_name=entity_name,
                 description=description,
-                changes=changes
+                changes=changes,
             )
 
 
@@ -156,33 +158,35 @@ def log_model_save(sender, instance, created, **kwargs):
 def log_model_delete(sender, instance, **kwargs):
     """Log model deletion"""
     request = get_current_request()
-    if not request or not hasattr(request, 'user'):
+    if not request or not hasattr(request, "user"):
         return
-    
+
     # Skip if user is not authenticated
     if not request.user.is_authenticated:
         return
-    
+
     # Skip audit log entries themselves
-    if sender.__name__ == 'AuditLog':
+    if sender.__name__ == "AuditLog":
         return
-    
+
     # Skip certain system models
-    if sender.__name__ in ['Session', 'LogEntry', 'ContentType', 'Permission']:
+    if sender.__name__ in ["Session", "LogEntry", "ContentType", "Permission"]:
         return
-    
+
     entity_type = get_entity_type_from_model(sender)
     entity_name = get_entity_name(instance)
     entity_id = str(instance.pk)
-    
-    description = f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde gelöscht"
+
+    description = (
+        f"{entity_type.replace('_', ' ').title()} '{entity_name}' wurde gelöscht"
+    )
     log_action(
         request=request,
-        action='delete',
+        action="delete",
         entity_type=entity_type,
         entity_id=entity_id,
         entity_name=entity_name,
-        description=description
+        description=description,
     )
 
 
@@ -192,11 +196,11 @@ def log_user_login(sender, request, user, **kwargs):
     """Log user login"""
     log_action(
         request=request,
-        action='login',
-        entity_type='user',
+        action="login",
+        entity_type="user",
         entity_id=str(user.pk),
         entity_name=user.username,
-        description=f"Benutzer {user.username} hat sich angemeldet"
+        description=f"Benutzer {user.username} hat sich angemeldet",
     )
 
 
@@ -206,9 +210,9 @@ def log_user_logout(sender, request, user, **kwargs):
     if user:  # user might be None if session expired
         log_action(
             request=request,
-            action='logout',
-            entity_type='user',
+            action="logout",
+            entity_type="user",
             entity_id=str(user.pk),
             entity_name=user.username,
-            description=f"Benutzer {user.username} hat sich abgemeldet"
+            description=f"Benutzer {user.username} hat sich abgemeldet",
         )

app/stiftung/migrations/0001_initial.py

@@ -1,7 +1,8 @@
 # Generated by Django 5.0.6 on 2025-08-13 20:59
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.db import migrations, models
 
 
@@ -9,39 +10,76 @@ class Migration(migrations.Migration):
 
     initial = True
 
-    dependencies = [
-    ]
+    dependencies = []
 
     operations = [
         migrations.CreateModel(
-            name='DokumentLink',
+            name="DokumentLink",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('paperless_document_id', models.IntegerField()),
-                ('kontext', models.CharField(max_length=30)),
-                ('titel', models.CharField(max_length=255)),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                ("paperless_document_id", models.IntegerField()),
+                ("kontext", models.CharField(max_length=30)),
+                ("titel", models.CharField(max_length=255)),
             ],
         ),
         migrations.CreateModel(
-            name='Person',
+            name="Person",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('familienzweig', models.CharField(max_length=100)),
-                ('vorname', models.CharField(max_length=100)),
-                ('nachname', models.CharField(max_length=100)),
-                ('geburtsdatum', models.DateField(blank=True, null=True)),
-                ('email', models.EmailField(blank=True, max_length=254, null=True)),
-                ('iban', models.CharField(blank=True, max_length=34, null=True)),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                ("familienzweig", models.CharField(max_length=100)),
+                ("vorname", models.CharField(max_length=100)),
+                ("nachname", models.CharField(max_length=100)),
+                ("geburtsdatum", models.DateField(blank=True, null=True)),
+                ("email", models.EmailField(blank=True, max_length=254, null=True)),
+                ("iban", models.CharField(blank=True, max_length=34, null=True)),
             ],
         ),
         migrations.CreateModel(
-            name='Foerderung',
+            name="Foerderung",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('jahr', models.IntegerField()),
-                ('betrag', models.DecimalField(decimal_places=2, max_digits=12)),
-                ('verwendungsnachweis', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.dokumentlink')),
-                ('person', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='stiftung.person')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                ("jahr", models.IntegerField()),
+                ("betrag", models.DecimalField(decimal_places=2, max_digits=12)),
+                (
+                    "verwendungsnachweis",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to="stiftung.dokumentlink",
+                    ),
+                ),
+                (
+                    "person",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="stiftung.person",
+                    ),
+                ),
             ],
         ),
     ]

app/stiftung/migrations/0002_alter_dokumentlink_options_alter_foerderung_options_and_more.py

@@ -9,104 +9,172 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0001_initial'),
+        ("stiftung", "0001_initial"),
     ]
 
     operations = [
         migrations.AlterModelOptions(
-            name='dokumentlink',
-            options={'ordering': ['titel'], 'verbose_name': 'Dokument', 'verbose_name_plural': 'Dokumente'},
+            name="dokumentlink",
+            options={
+                "ordering": ["titel"],
+                "verbose_name": "Dokument",
+                "verbose_name_plural": "Dokumente",
+            },
         ),
         migrations.AlterModelOptions(
-            name='foerderung',
-            options={'ordering': ['-jahr', '-betrag'], 'verbose_name': 'Förderung', 'verbose_name_plural': 'Förderungen'},
+            name="foerderung",
+            options={
+                "ordering": ["-jahr", "-betrag"],
+                "verbose_name": "Förderung",
+                "verbose_name_plural": "Förderungen",
+            },
         ),
         migrations.AlterModelOptions(
-            name='person',
-            options={'ordering': ['nachname', 'vorname'], 'verbose_name': 'Person', 'verbose_name_plural': 'Personen'},
+            name="person",
+            options={
+                "ordering": ["nachname", "vorname"],
+                "verbose_name": "Person",
+                "verbose_name_plural": "Personen",
+            },
         ),
         migrations.AddField(
-            model_name='dokumentlink',
-            name='beschreibung',
+            model_name="dokumentlink",
+            name="beschreibung",
             field=models.TextField(blank=True, null=True),
         ),
         migrations.AddField(
-            model_name='foerderung',
-            name='antragsdatum',
+            model_name="foerderung",
+            name="antragsdatum",
             field=models.DateField(default=django.utils.timezone.now),
         ),
         migrations.AddField(
-            model_name='foerderung',
-            name='bemerkungen',
+            model_name="foerderung",
+            name="bemerkungen",
             field=models.TextField(blank=True, null=True),
         ),
         migrations.AddField(
-            model_name='foerderung',
-            name='entscheidungsdatum',
+            model_name="foerderung",
+            name="entscheidungsdatum",
             field=models.DateField(blank=True, null=True),
         ),
         migrations.AddField(
-            model_name='foerderung',
-            name='kategorie',
-            field=models.CharField(choices=[('bildung', 'Bildung'), ('forschung', 'Forschung'), ('kultur', 'Kultur'), ('soziales', 'Soziales'), ('umwelt', 'Umwelt'), ('anderes', 'Anderes')], default='anderes', max_length=20),
+            model_name="foerderung",
+            name="kategorie",
+            field=models.CharField(
+                choices=[
+                    ("bildung", "Bildung"),
+                    ("forschung", "Forschung"),
+                    ("kultur", "Kultur"),
+                    ("soziales", "Soziales"),
+                    ("umwelt", "Umwelt"),
+                    ("anderes", "Anderes"),
+                ],
+                default="anderes",
+                max_length=20,
+            ),
         ),
         migrations.AddField(
-            model_name='foerderung',
-            name='status',
-            field=models.CharField(choices=[('beantragt', 'Beantragt'), ('genehmigt', 'Genehmigt'), ('ausgezahlt', 'Ausgezahlt'), ('abgelehnt', 'Abgelehnt'), ('storniert', 'Storniert')], default='beantragt', max_length=20),
+            model_name="foerderung",
+            name="status",
+            field=models.CharField(
+                choices=[
+                    ("beantragt", "Beantragt"),
+                    ("genehmigt", "Genehmigt"),
+                    ("ausgezahlt", "Ausgezahlt"),
+                    ("abgelehnt", "Abgelehnt"),
+                    ("storniert", "Storniert"),
+                ],
+                default="beantragt",
+                max_length=20,
+            ),
         ),
         migrations.AddField(
-            model_name='person',
-            name='adresse',
+            model_name="person",
+            name="adresse",
             field=models.TextField(blank=True, null=True),
         ),
         migrations.AddField(
-            model_name='person',
-            name='aktiv',
+            model_name="person",
+            name="aktiv",
             field=models.BooleanField(default=True),
         ),
         migrations.AddField(
-            model_name='person',
-            name='notizen',
+            model_name="person",
+            name="notizen",
             field=models.TextField(blank=True, null=True),
         ),
         migrations.AddField(
-            model_name='person',
-            name='telefon',
+            model_name="person",
+            name="telefon",
             field=models.CharField(blank=True, max_length=20, null=True),
         ),
         migrations.AlterField(
-            model_name='dokumentlink',
-            name='kontext',
-            field=models.CharField(choices=[('antrag', 'Antrag'), ('verwendungsnachweis', 'Verwendungsnachweis'), ('rechnung', 'Rechnung'), ('vertrag', 'Vertrag'), ('bericht', 'Bericht'), ('anderes', 'Anderes')], default='anderes', max_length=30),
+            model_name="dokumentlink",
+            name="kontext",
+            field=models.CharField(
+                choices=[
+                    ("antrag", "Antrag"),
+                    ("verwendungsnachweis", "Verwendungsnachweis"),
+                    ("rechnung", "Rechnung"),
+                    ("vertrag", "Vertrag"),
+                    ("bericht", "Bericht"),
+                    ("anderes", "Anderes"),
+                ],
+                default="anderes",
+                max_length=30,
+            ),
         ),
         migrations.AlterField(
-            model_name='dokumentlink',
-            name='paperless_document_id',
+            model_name="dokumentlink",
+            name="paperless_document_id",
             field=models.IntegerField(unique=True),
         ),
         migrations.AlterField(
-            model_name='foerderung',
-            name='jahr',
-            field=models.IntegerField(validators=[django.core.validators.MinValueValidator(1900), django.core.validators.MaxValueValidator(2100)]),
+            model_name="foerderung",
+            name="jahr",
+            field=models.IntegerField(
+                validators=[
+                    django.core.validators.MinValueValidator(1900),
+                    django.core.validators.MaxValueValidator(2100),
+                ]
+            ),
         ),
         migrations.AlterField(
-            model_name='foerderung',
-            name='person',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='stiftung.person', verbose_name='Person'),
+            model_name="foerderung",
+            name="person",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                to="stiftung.person",
+                verbose_name="Person",
+            ),
         ),
         migrations.AlterField(
-            model_name='foerderung',
-            name='verwendungsnachweis',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.dokumentlink', verbose_name='Verwendungsnachweis'),
+            model_name="foerderung",
+            name="verwendungsnachweis",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to="stiftung.dokumentlink",
+                verbose_name="Verwendungsnachweis",
+            ),
         ),
         migrations.AlterField(
-            model_name='person',
-            name='familienzweig',
-            field=models.CharField(choices=[('hauptzweig', 'Hauptzweig'), ('nebenzweig', 'Nebenzweig'), ('verwandt', 'Verwandt'), ('anderer', 'Anderer')], default='hauptzweig', max_length=100),
+            model_name="person",
+            name="familienzweig",
+            field=models.CharField(
+                choices=[
+                    ("hauptzweig", "Hauptzweig"),
+                    ("nebenzweig", "Nebenzweig"),
+                    ("verwandt", "Verwandt"),
+                    ("anderer", "Anderer"),
+                ],
+                default="hauptzweig",
+                max_length=100,
+            ),
         ),
         migrations.AlterUniqueTogether(
-            name='foerderung',
-            unique_together={('person', 'jahr', 'kategorie')},
+            name="foerderung",
+            unique_together={("person", "jahr", "kategorie")},
         ),
     ]

app/stiftung/migrations/0003_land_alter_dokumentlink_kontext_verpachtung.py

@@ -1,78 +1,293 @@
 # Generated by Django 5.0.6 on 2025-08-13 21:43
 
+import uuid
+
 import django.core.validators
 import django.db.models.deletion
-import uuid
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0002_alter_dokumentlink_options_alter_foerderung_options_and_more'),
+        (
+            "stiftung",
+            "0002_alter_dokumentlink_options_alter_foerderung_options_and_more",
+        ),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Land',
+            name="Land",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('lfd_nr', models.CharField(max_length=20, unique=True, verbose_name='Lfd. Nr.')),
-                ('ew_nummer', models.CharField(blank=True, max_length=50, null=True, verbose_name='EW-Nummer')),
-                ('amtsgericht', models.CharField(max_length=100, verbose_name='Amtsgericht')),
-                ('gemeinde', models.CharField(max_length=100, verbose_name='Gemeinde')),
-                ('gemarkung', models.CharField(max_length=100, verbose_name='Gemarkung')),
-                ('flur', models.CharField(max_length=50, verbose_name='Flur')),
-                ('flurstueck', models.CharField(max_length=50, verbose_name='Flurstück')),
-                ('groesse_qm', models.DecimalField(decimal_places=2, max_digits=12, validators=[django.core.validators.MinValueValidator(0.01)], verbose_name='Größe in qm')),
-                ('gruenland_qm', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Grünland (qm)')),
-                ('acker_qm', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Acker (qm)')),
-                ('wald_qm', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Wald (qm)')),
-                ('sonstiges_qm', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Sonstiges (qm)')),
-                ('verpachtete_gesamtflaeche', models.DecimalField(decimal_places=2, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Verpachtete Gesamtfläche (qm)')),
-                ('flaeche_alte_liste', models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, verbose_name='Fläche alte Liste (qm)')),
-                ('verp_flaeche_aktuell', models.DecimalField(decimal_places=2, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Verp. Fläche aktuell (qm)')),
-                ('anteil_grundsteuer', models.DecimalField(blank=True, decimal_places=2, max_digits=8, null=True, verbose_name='Anteil Grundsteuer (%)')),
-                ('anteil_lwk', models.DecimalField(blank=True, decimal_places=2, max_digits=8, null=True, verbose_name='Anteil LWK (%)')),
-                ('aktiv', models.BooleanField(default=True, verbose_name='Aktiv')),
-                ('notizen', models.TextField(blank=True, null=True, verbose_name='Ergänzende Kommentare')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "lfd_nr",
+                    models.CharField(
+                        max_length=20, unique=True, verbose_name="Lfd. Nr."
+                    ),
+                ),
+                (
+                    "ew_nummer",
+                    models.CharField(
+                        blank=True, max_length=50, null=True, verbose_name="EW-Nummer"
+                    ),
+                ),
+                (
+                    "amtsgericht",
+                    models.CharField(max_length=100, verbose_name="Amtsgericht"),
+                ),
+                ("gemeinde", models.CharField(max_length=100, verbose_name="Gemeinde")),
+                (
+                    "gemarkung",
+                    models.CharField(max_length=100, verbose_name="Gemarkung"),
+                ),
+                ("flur", models.CharField(max_length=50, verbose_name="Flur")),
+                (
+                    "flurstueck",
+                    models.CharField(max_length=50, verbose_name="Flurstück"),
+                ),
+                (
+                    "groesse_qm",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0.01)],
+                        verbose_name="Größe in qm",
+                    ),
+                ),
+                (
+                    "gruenland_qm",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Grünland (qm)",
+                    ),
+                ),
+                (
+                    "acker_qm",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Acker (qm)",
+                    ),
+                ),
+                (
+                    "wald_qm",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Wald (qm)",
+                    ),
+                ),
+                (
+                    "sonstiges_qm",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Sonstiges (qm)",
+                    ),
+                ),
+                (
+                    "verpachtete_gesamtflaeche",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Verpachtete Gesamtfläche (qm)",
+                    ),
+                ),
+                (
+                    "flaeche_alte_liste",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=12,
+                        null=True,
+                        verbose_name="Fläche alte Liste (qm)",
+                    ),
+                ),
+                (
+                    "verp_flaeche_aktuell",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Verp. Fläche aktuell (qm)",
+                    ),
+                ),
+                (
+                    "anteil_grundsteuer",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=8,
+                        null=True,
+                        verbose_name="Anteil Grundsteuer (%)",
+                    ),
+                ),
+                (
+                    "anteil_lwk",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=8,
+                        null=True,
+                        verbose_name="Anteil LWK (%)",
+                    ),
+                ),
+                ("aktiv", models.BooleanField(default=True, verbose_name="Aktiv")),
+                (
+                    "notizen",
+                    models.TextField(
+                        blank=True, null=True, verbose_name="Ergänzende Kommentare"
+                    ),
+                ),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
             ],
             options={
-                'verbose_name': 'Land',
-                'verbose_name_plural': 'Ländereien',
-                'ordering': ['gemeinde', 'gemarkung', 'flur', 'flurstueck'],
+                "verbose_name": "Land",
+                "verbose_name_plural": "Ländereien",
+                "ordering": ["gemeinde", "gemarkung", "flur", "flurstueck"],
             },
         ),
         migrations.AlterField(
-            model_name='dokumentlink',
-            name='kontext',
-            field=models.CharField(choices=[('antrag', 'Antrag'), ('verwendungsnachweis', 'Verwendungsnachweis'), ('rechnung', 'Rechnung'), ('vertrag', 'Vertrag'), ('bericht', 'Bericht'), ('landkarte', 'Landkarte'), ('kataster', 'Kataster'), ('anderes', 'Anderes')], default='anderes', max_length=30),
+            model_name="dokumentlink",
+            name="kontext",
+            field=models.CharField(
+                choices=[
+                    ("antrag", "Antrag"),
+                    ("verwendungsnachweis", "Verwendungsnachweis"),
+                    ("rechnung", "Rechnung"),
+                    ("vertrag", "Vertrag"),
+                    ("bericht", "Bericht"),
+                    ("landkarte", "Landkarte"),
+                    ("kataster", "Kataster"),
+                    ("anderes", "Anderes"),
+                ],
+                default="anderes",
+                max_length=30,
+            ),
         ),
         migrations.CreateModel(
-            name='Verpachtung',
+            name="Verpachtung",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('vertragsnummer', models.CharField(max_length=50, unique=True, verbose_name='Vertragsnummer')),
-                ('pachtbeginn', models.DateField(verbose_name='Pachtbeginn')),
-                ('pachtende', models.DateField(verbose_name='Pachtende')),
-                ('verlaengerung', models.DateField(blank=True, null=True, verbose_name='Verlängerung bis')),
-                ('pachtzins_pro_qm', models.DecimalField(decimal_places=4, max_digits=8, verbose_name='Pachtzins pro qm (€)')),
-                ('pachtzins_jaehrlich', models.DecimalField(decimal_places=2, max_digits=12, verbose_name='Jährlicher Pachtzins (€)')),
-                ('verpachtete_flaeche', models.DecimalField(decimal_places=2, max_digits=12, verbose_name='Verpachtete Fläche (qm)')),
-                ('status', models.CharField(choices=[('aktiv', 'Aktiv'), ('beendet', 'Beendet'), ('gekuendigt', 'Gekündigt'), ('verlängert', 'Verlängert')], default='aktiv', max_length=20)),
-                ('bemerkungen', models.TextField(blank=True, null=True, verbose_name='Ergänzende Kommentare')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
-                ('land', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='stiftung.land', verbose_name='Land')),
-                ('paechter', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='stiftung.person', verbose_name='Pächter')),
-                ('verwendungsnachweis', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.dokumentlink', verbose_name='Verwendungsnachweis')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "vertragsnummer",
+                    models.CharField(
+                        max_length=50, unique=True, verbose_name="Vertragsnummer"
+                    ),
+                ),
+                ("pachtbeginn", models.DateField(verbose_name="Pachtbeginn")),
+                ("pachtende", models.DateField(verbose_name="Pachtende")),
+                (
+                    "verlaengerung",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Verlängerung bis"
+                    ),
+                ),
+                (
+                    "pachtzins_pro_qm",
+                    models.DecimalField(
+                        decimal_places=4,
+                        max_digits=8,
+                        verbose_name="Pachtzins pro qm (€)",
+                    ),
+                ),
+                (
+                    "pachtzins_jaehrlich",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        verbose_name="Jährlicher Pachtzins (€)",
+                    ),
+                ),
+                (
+                    "verpachtete_flaeche",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        verbose_name="Verpachtete Fläche (qm)",
+                    ),
+                ),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("aktiv", "Aktiv"),
+                            ("beendet", "Beendet"),
+                            ("gekuendigt", "Gekündigt"),
+                            ("verlängert", "Verlängert"),
+                        ],
+                        default="aktiv",
+                        max_length=20,
+                    ),
+                ),
+                (
+                    "bemerkungen",
+                    models.TextField(
+                        blank=True, null=True, verbose_name="Ergänzende Kommentare"
+                    ),
+                ),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
+                (
+                    "land",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="stiftung.land",
+                        verbose_name="Land",
+                    ),
+                ),
+                (
+                    "paechter",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="stiftung.person",
+                        verbose_name="Pächter",
+                    ),
+                ),
+                (
+                    "verwendungsnachweis",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to="stiftung.dokumentlink",
+                        verbose_name="Verwendungsnachweis",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Verpachtung',
-                'verbose_name_plural': 'Verpachtungen',
-                'ordering': ['-pachtbeginn'],
+                "verbose_name": "Verpachtung",
+                "verbose_name_plural": "Verpachtungen",
+                "ordering": ["-pachtbeginn"],
             },
         ),
     ]

app/stiftung/migrations/0004_csvimport.py

@@ -1,36 +1,106 @@
 # Generated by Django 5.0.6 on 2025-08-13 22:18
 
 import uuid
+
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0003_land_alter_dokumentlink_kontext_verpachtung'),
+        ("stiftung", "0003_land_alter_dokumentlink_kontext_verpachtung"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='CSVImport',
+            name="CSVImport",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('import_type', models.CharField(choices=[('personen', 'Personen'), ('laendereien', 'Ländereien'), ('verpachtungen', 'Verpachtungen')], max_length=20, verbose_name='Import-Typ')),
-                ('filename', models.CharField(max_length=255, verbose_name='Dateiname')),
-                ('file_size', models.IntegerField(verbose_name='Dateigröße (Bytes)')),
-                ('status', models.CharField(choices=[('pending', 'Ausstehend'), ('processing', 'Wird verarbeitet'), ('completed', 'Abgeschlossen'), ('failed', 'Fehlgeschlagen'), ('partial', 'Teilweise erfolgreich')], default='pending', max_length=20)),
-                ('total_rows', models.IntegerField(default=0, verbose_name='Gesamtzeilen')),
-                ('imported_rows', models.IntegerField(default=0, verbose_name='Importierte Zeilen')),
-                ('failed_rows', models.IntegerField(default=0, verbose_name='Fehlgeschlagene Zeilen')),
-                ('error_log', models.TextField(blank=True, null=True, verbose_name='Fehlerprotokoll')),
-                ('created_by', models.CharField(blank=True, max_length=100, null=True, verbose_name='Erstellt von')),
-                ('started_at', models.DateTimeField(auto_now_add=True, verbose_name='Gestartet um')),
-                ('completed_at', models.DateTimeField(blank=True, null=True, verbose_name='Abgeschlossen um')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "import_type",
+                    models.CharField(
+                        choices=[
+                            ("personen", "Personen"),
+                            ("laendereien", "Ländereien"),
+                            ("verpachtungen", "Verpachtungen"),
+                        ],
+                        max_length=20,
+                        verbose_name="Import-Typ",
+                    ),
+                ),
+                (
+                    "filename",
+                    models.CharField(max_length=255, verbose_name="Dateiname"),
+                ),
+                ("file_size", models.IntegerField(verbose_name="Dateigröße (Bytes)")),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("pending", "Ausstehend"),
+                            ("processing", "Wird verarbeitet"),
+                            ("completed", "Abgeschlossen"),
+                            ("failed", "Fehlgeschlagen"),
+                            ("partial", "Teilweise erfolgreich"),
+                        ],
+                        default="pending",
+                        max_length=20,
+                    ),
+                ),
+                (
+                    "total_rows",
+                    models.IntegerField(default=0, verbose_name="Gesamtzeilen"),
+                ),
+                (
+                    "imported_rows",
+                    models.IntegerField(default=0, verbose_name="Importierte Zeilen"),
+                ),
+                (
+                    "failed_rows",
+                    models.IntegerField(
+                        default=0, verbose_name="Fehlgeschlagene Zeilen"
+                    ),
+                ),
+                (
+                    "error_log",
+                    models.TextField(
+                        blank=True, null=True, verbose_name="Fehlerprotokoll"
+                    ),
+                ),
+                (
+                    "created_by",
+                    models.CharField(
+                        blank=True,
+                        max_length=100,
+                        null=True,
+                        verbose_name="Erstellt von",
+                    ),
+                ),
+                (
+                    "started_at",
+                    models.DateTimeField(
+                        auto_now_add=True, verbose_name="Gestartet um"
+                    ),
+                ),
+                (
+                    "completed_at",
+                    models.DateTimeField(
+                        blank=True, null=True, verbose_name="Abgeschlossen um"
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'CSV Import',
-                'verbose_name_plural': 'CSV Imports',
-                'ordering': ['-started_at'],
+                "verbose_name": "CSV Import",
+                "verbose_name_plural": "CSV Imports",
+                "ordering": ["-started_at"],
             },
         ),
     ]

app/stiftung/migrations/0005_destinataer_paechter_alter_person_options_and_more.py

@@ -1,93 +1,298 @@
 # Generated by Django 5.0.6 on 2025-08-14 10:38
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0004_csvimport'),
+        ("stiftung", "0004_csvimport"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Destinataer',
+            name="Destinataer",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('familienzweig', models.CharField(choices=[('hauptzweig', 'Hauptzweig'), ('nebenzweig', 'Nebenzweig'), ('verwandt', 'Verwandt'), ('anderer', 'Anderer')], default='hauptzweig', max_length=100)),
-                ('vorname', models.CharField(max_length=100, verbose_name='Vorname')),
-                ('nachname', models.CharField(max_length=100, verbose_name='Nachname')),
-                ('geburtsdatum', models.DateField(blank=True, null=True, verbose_name='Geburtsdatum')),
-                ('email', models.EmailField(blank=True, max_length=254, null=True, verbose_name='E-Mail')),
-                ('telefon', models.CharField(blank=True, max_length=20, null=True, verbose_name='Telefon')),
-                ('iban', models.CharField(blank=True, max_length=34, null=True, verbose_name='IBAN')),
-                ('adresse', models.TextField(blank=True, null=True, verbose_name='Adresse')),
-                ('berufsgruppe', models.CharField(choices=[('student', 'Student/Studentin'), ('wissenschaftler', 'Wissenschaftler/in'), ('künstler', 'Künstler/in'), ('sozialarbeiter', 'Sozialarbeiter/in'), ('umweltschützer', 'Umweltschützer/in'), ('andere', 'Andere')], default='andere', max_length=20, verbose_name='Berufsgruppe')),
-                ('ausbildungsstand', models.CharField(blank=True, max_length=100, null=True, verbose_name='Ausbildungsstand')),
-                ('institution', models.CharField(blank=True, max_length=200, null=True, verbose_name='Institution/Organisation')),
-                ('projekt_beschreibung', models.TextField(blank=True, null=True, verbose_name='Projektbeschreibung')),
-                ('jaehrliches_einkommen', models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, verbose_name='Jährliches Einkommen (€)')),
-                ('finanzielle_notlage', models.BooleanField(default=False, verbose_name='Finanzielle Notlage')),
-                ('notizen', models.TextField(blank=True, null=True, verbose_name='Notizen')),
-                ('aktiv', models.BooleanField(default=True, verbose_name='Aktiv')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "familienzweig",
+                    models.CharField(
+                        choices=[
+                            ("hauptzweig", "Hauptzweig"),
+                            ("nebenzweig", "Nebenzweig"),
+                            ("verwandt", "Verwandt"),
+                            ("anderer", "Anderer"),
+                        ],
+                        default="hauptzweig",
+                        max_length=100,
+                    ),
+                ),
+                ("vorname", models.CharField(max_length=100, verbose_name="Vorname")),
+                ("nachname", models.CharField(max_length=100, verbose_name="Nachname")),
+                (
+                    "geburtsdatum",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Geburtsdatum"
+                    ),
+                ),
+                (
+                    "email",
+                    models.EmailField(
+                        blank=True, max_length=254, null=True, verbose_name="E-Mail"
+                    ),
+                ),
+                (
+                    "telefon",
+                    models.CharField(
+                        blank=True, max_length=20, null=True, verbose_name="Telefon"
+                    ),
+                ),
+                (
+                    "iban",
+                    models.CharField(
+                        blank=True, max_length=34, null=True, verbose_name="IBAN"
+                    ),
+                ),
+                (
+                    "adresse",
+                    models.TextField(blank=True, null=True, verbose_name="Adresse"),
+                ),
+                (
+                    "berufsgruppe",
+                    models.CharField(
+                        choices=[
+                            ("student", "Student/Studentin"),
+                            ("wissenschaftler", "Wissenschaftler/in"),
+                            ("künstler", "Künstler/in"),
+                            ("sozialarbeiter", "Sozialarbeiter/in"),
+                            ("umweltschützer", "Umweltschützer/in"),
+                            ("andere", "Andere"),
+                        ],
+                        default="andere",
+                        max_length=20,
+                        verbose_name="Berufsgruppe",
+                    ),
+                ),
+                (
+                    "ausbildungsstand",
+                    models.CharField(
+                        blank=True,
+                        max_length=100,
+                        null=True,
+                        verbose_name="Ausbildungsstand",
+                    ),
+                ),
+                (
+                    "institution",
+                    models.CharField(
+                        blank=True,
+                        max_length=200,
+                        null=True,
+                        verbose_name="Institution/Organisation",
+                    ),
+                ),
+                (
+                    "projekt_beschreibung",
+                    models.TextField(
+                        blank=True, null=True, verbose_name="Projektbeschreibung"
+                    ),
+                ),
+                (
+                    "jaehrliches_einkommen",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=12,
+                        null=True,
+                        verbose_name="Jährliches Einkommen (€)",
+                    ),
+                ),
+                (
+                    "finanzielle_notlage",
+                    models.BooleanField(
+                        default=False, verbose_name="Finanzielle Notlage"
+                    ),
+                ),
+                (
+                    "notizen",
+                    models.TextField(blank=True, null=True, verbose_name="Notizen"),
+                ),
+                ("aktiv", models.BooleanField(default=True, verbose_name="Aktiv")),
             ],
             options={
-                'verbose_name': 'Destinatär',
-                'verbose_name_plural': 'Destinatäre',
-                'ordering': ['nachname', 'vorname'],
+                "verbose_name": "Destinatär",
+                "verbose_name_plural": "Destinatäre",
+                "ordering": ["nachname", "vorname"],
             },
         ),
         migrations.CreateModel(
-            name='Paechter',
+            name="Paechter",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('familienzweig', models.CharField(choices=[('hauptzweig', 'Hauptzweig'), ('nebenzweig', 'Nebenzweig'), ('verwandt', 'Verwandt'), ('anderer', 'Anderer')], default='hauptzweig', max_length=100)),
-                ('vorname', models.CharField(max_length=100, verbose_name='Vorname')),
-                ('nachname', models.CharField(max_length=100, verbose_name='Nachname')),
-                ('geburtsdatum', models.DateField(blank=True, null=True, verbose_name='Geburtsdatum')),
-                ('email', models.EmailField(blank=True, max_length=254, null=True, verbose_name='E-Mail')),
-                ('telefon', models.CharField(blank=True, max_length=20, null=True, verbose_name='Telefon')),
-                ('iban', models.CharField(blank=True, max_length=34, null=True, verbose_name='IBAN')),
-                ('adresse', models.TextField(blank=True, null=True, verbose_name='Adresse')),
-                ('pachtnummer', models.CharField(blank=True, max_length=50, null=True, verbose_name='Pachtnummer')),
-                ('pachtbeginn_erste', models.DateField(blank=True, null=True, verbose_name='Erster Pachtbeginn')),
-                ('pachtende_letzte', models.DateField(blank=True, null=True, verbose_name='Letztes Pachtende')),
-                ('pachtzins_aktuell', models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, verbose_name='Aktueller Pachtzins (€/Jahr)')),
-                ('landwirtschaftliche_ausbildung', models.BooleanField(default=False, verbose_name='Landwirtschaftliche Ausbildung')),
-                ('berufserfahrung_jahre', models.IntegerField(blank=True, null=True, verbose_name='Berufserfahrung (Jahre)')),
-                ('spezialisierung', models.CharField(blank=True, max_length=100, null=True, verbose_name='Spezialisierung')),
-                ('notizen', models.TextField(blank=True, null=True, verbose_name='Notizen')),
-                ('aktiv', models.BooleanField(default=True, verbose_name='Aktiv')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "familienzweig",
+                    models.CharField(
+                        choices=[
+                            ("hauptzweig", "Hauptzweig"),
+                            ("nebenzweig", "Nebenzweig"),
+                            ("verwandt", "Verwandt"),
+                            ("anderer", "Anderer"),
+                        ],
+                        default="hauptzweig",
+                        max_length=100,
+                    ),
+                ),
+                ("vorname", models.CharField(max_length=100, verbose_name="Vorname")),
+                ("nachname", models.CharField(max_length=100, verbose_name="Nachname")),
+                (
+                    "geburtsdatum",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Geburtsdatum"
+                    ),
+                ),
+                (
+                    "email",
+                    models.EmailField(
+                        blank=True, max_length=254, null=True, verbose_name="E-Mail"
+                    ),
+                ),
+                (
+                    "telefon",
+                    models.CharField(
+                        blank=True, max_length=20, null=True, verbose_name="Telefon"
+                    ),
+                ),
+                (
+                    "iban",
+                    models.CharField(
+                        blank=True, max_length=34, null=True, verbose_name="IBAN"
+                    ),
+                ),
+                (
+                    "adresse",
+                    models.TextField(blank=True, null=True, verbose_name="Adresse"),
+                ),
+                (
+                    "pachtnummer",
+                    models.CharField(
+                        blank=True, max_length=50, null=True, verbose_name="Pachtnummer"
+                    ),
+                ),
+                (
+                    "pachtbeginn_erste",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Erster Pachtbeginn"
+                    ),
+                ),
+                (
+                    "pachtende_letzte",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Letztes Pachtende"
+                    ),
+                ),
+                (
+                    "pachtzins_aktuell",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=12,
+                        null=True,
+                        verbose_name="Aktueller Pachtzins (€/Jahr)",
+                    ),
+                ),
+                (
+                    "landwirtschaftliche_ausbildung",
+                    models.BooleanField(
+                        default=False, verbose_name="Landwirtschaftliche Ausbildung"
+                    ),
+                ),
+                (
+                    "berufserfahrung_jahre",
+                    models.IntegerField(
+                        blank=True, null=True, verbose_name="Berufserfahrung (Jahre)"
+                    ),
+                ),
+                (
+                    "spezialisierung",
+                    models.CharField(
+                        blank=True,
+                        max_length=100,
+                        null=True,
+                        verbose_name="Spezialisierung",
+                    ),
+                ),
+                (
+                    "notizen",
+                    models.TextField(blank=True, null=True, verbose_name="Notizen"),
+                ),
+                ("aktiv", models.BooleanField(default=True, verbose_name="Aktiv")),
             ],
             options={
-                'verbose_name': 'Pächter',
-                'verbose_name_plural': 'Pächter',
-                'ordering': ['nachname', 'vorname'],
+                "verbose_name": "Pächter",
+                "verbose_name_plural": "Pächter",
+                "ordering": ["nachname", "vorname"],
             },
         ),
         migrations.AlterModelOptions(
-            name='person',
-            options={'ordering': ['nachname', 'vorname'], 'verbose_name': 'Person (Legacy)', 'verbose_name_plural': 'Personen (Legacy)'},
+            name="person",
+            options={
+                "ordering": ["nachname", "vorname"],
+                "verbose_name": "Person (Legacy)",
+                "verbose_name_plural": "Personen (Legacy)",
+            },
         ),
         migrations.AlterUniqueTogether(
-            name='foerderung',
+            name="foerderung",
             unique_together=set(),
         ),
         migrations.AlterField(
-            model_name='foerderung',
-            name='person',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='stiftung.person', verbose_name='Person (Legacy)'),
+            model_name="foerderung",
+            name="person",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="stiftung.person",
+                verbose_name="Person (Legacy)",
+            ),
         ),
         migrations.AddField(
-            model_name='foerderung',
-            name='destinataer',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='stiftung.destinataer', verbose_name='Destinatär'),
+            model_name="foerderung",
+            name="destinataer",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="stiftung.destinataer",
+                verbose_name="Destinatär",
+            ),
         ),
         migrations.AlterField(
-            model_name='verpachtung',
-            name='paechter',
-            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='stiftung.paechter', verbose_name='Pächter'),
+            model_name="verpachtung",
+            name="paechter",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                to="stiftung.paechter",
+                verbose_name="Pächter",
+            ),
         ),
     ]

app/stiftung/migrations/0006_remove_paechter_familienzweig_and_more.py

@@ -6,17 +6,27 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0005_destinataer_paechter_alter_person_options_and_more'),
+        ("stiftung", "0005_destinataer_paechter_alter_person_options_and_more"),
     ]
 
     operations = [
         migrations.RemoveField(
-            model_name='paechter',
-            name='familienzweig',
+            model_name="paechter",
+            name="familienzweig",
         ),
         migrations.AlterField(
-            model_name='csvimport',
-            name='import_type',
-            field=models.CharField(choices=[('destinataere', 'Destinatäre'), ('paechter', 'Pächter'), ('laendereien', 'Ländereien'), ('verpachtungen', 'Verpachtungen'), ('personen', 'Personen (Legacy)')], max_length=20, verbose_name='Import-Typ'),
+            model_name="csvimport",
+            name="import_type",
+            field=models.CharField(
+                choices=[
+                    ("destinataere", "Destinatäre"),
+                    ("paechter", "Pächter"),
+                    ("laendereien", "Ländereien"),
+                    ("verpachtungen", "Verpachtungen"),
+                    ("personen", "Personen (Legacy)"),
+                ],
+                max_length=20,
+                verbose_name="Import-Typ",
+            ),
         ),
     ]

app/stiftung/migrations/0007_remove_destinataer_adresse_remove_paechter_adresse_and_more.py

@@ -6,51 +6,71 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0006_remove_paechter_familienzweig_and_more'),
+        ("stiftung", "0006_remove_paechter_familienzweig_and_more"),
     ]
 
     operations = [
         migrations.RemoveField(
-            model_name='destinataer',
-            name='adresse',
+            model_name="destinataer",
+            name="adresse",
         ),
         migrations.RemoveField(
-            model_name='paechter',
-            name='adresse',
+            model_name="paechter",
+            name="adresse",
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='ort',
-            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='Ort'),
+            model_name="destinataer",
+            name="ort",
+            field=models.CharField(
+                blank=True, max_length=100, null=True, verbose_name="Ort"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='plz',
-            field=models.CharField(blank=True, max_length=10, null=True, verbose_name='PLZ'),
+            model_name="destinataer",
+            name="plz",
+            field=models.CharField(
+                blank=True, max_length=10, null=True, verbose_name="PLZ"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='strasse',
-            field=models.CharField(blank=True, max_length=200, null=True, verbose_name='Straße'),
+            model_name="destinataer",
+            name="strasse",
+            field=models.CharField(
+                blank=True, max_length=200, null=True, verbose_name="Straße"
+            ),
         ),
         migrations.AddField(
-            model_name='paechter',
-            name='ort',
-            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='Ort'),
+            model_name="paechter",
+            name="ort",
+            field=models.CharField(
+                blank=True, max_length=100, null=True, verbose_name="Ort"
+            ),
         ),
         migrations.AddField(
-            model_name='paechter',
-            name='personentyp',
-            field=models.CharField(choices=[('natuerlich', 'Natürliche Person'), ('gesellschaft', 'Gesellschaft (GmbH, KG, etc.)')], default='natuerlich', max_length=20, verbose_name='Typ des Pächters'),
+            model_name="paechter",
+            name="personentyp",
+            field=models.CharField(
+                choices=[
+                    ("natuerlich", "Natürliche Person"),
+                    ("gesellschaft", "Gesellschaft (GmbH, KG, etc.)"),
+                ],
+                default="natuerlich",
+                max_length=20,
+                verbose_name="Typ des Pächters",
+            ),
         ),
         migrations.AddField(
-            model_name='paechter',
-            name='plz',
-            field=models.CharField(blank=True, max_length=10, null=True, verbose_name='PLZ'),
+            model_name="paechter",
+            name="plz",
+            field=models.CharField(
+                blank=True, max_length=10, null=True, verbose_name="PLZ"
+            ),
         ),
         migrations.AddField(
-            model_name='paechter',
-            name='strasse',
-            field=models.CharField(blank=True, max_length=200, null=True, verbose_name='Straße'),
+            model_name="paechter",
+            name="strasse",
+            field=models.CharField(
+                blank=True, max_length=200, null=True, verbose_name="Straße"
+            ),
         ),
     ]

app/stiftung/migrations/0008_dokumentlink_destinataer_id_and_more.py

@@ -6,38 +6,57 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0007_remove_destinataer_adresse_remove_paechter_adresse_and_more'),
+        (
+            "stiftung",
+            "0007_remove_destinataer_adresse_remove_paechter_adresse_and_more",
+        ),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='dokumentlink',
-            name='destinataer_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Destinatär ID'),
+            model_name="dokumentlink",
+            name="destinataer_id",
+            field=models.UUIDField(blank=True, null=True, verbose_name="Destinatär ID"),
         ),
         migrations.AddField(
-            model_name='dokumentlink',
-            name='foerderung_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Förderung ID'),
+            model_name="dokumentlink",
+            name="foerderung_id",
+            field=models.UUIDField(blank=True, null=True, verbose_name="Förderung ID"),
         ),
         migrations.AddField(
-            model_name='dokumentlink',
-            name='land_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Länderei ID'),
+            model_name="dokumentlink",
+            name="land_id",
+            field=models.UUIDField(blank=True, null=True, verbose_name="Länderei ID"),
         ),
         migrations.AddField(
-            model_name='dokumentlink',
-            name='paechter_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Pächter ID'),
+            model_name="dokumentlink",
+            name="paechter_id",
+            field=models.UUIDField(blank=True, null=True, verbose_name="Pächter ID"),
         ),
         migrations.AddField(
-            model_name='dokumentlink',
-            name='verpachtung_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Verpachtung ID'),
+            model_name="dokumentlink",
+            name="verpachtung_id",
+            field=models.UUIDField(
+                blank=True, null=True, verbose_name="Verpachtung ID"
+            ),
         ),
         migrations.AlterField(
-            model_name='dokumentlink',
-            name='kontext',
-            field=models.CharField(choices=[('pachtvertrag', 'Pachtvertrag'), ('antrag', 'Antrag'), ('verwendungsnachweis', 'Verwendungsnachweis'), ('rechnung', 'Rechnung'), ('vertrag', 'Vertrag'), ('bericht', 'Bericht'), ('landkarte', 'Landkarte'), ('kataster', 'Kataster'), ('anderes', 'Anderes')], default='anderes', max_length=30),
+            model_name="dokumentlink",
+            name="kontext",
+            field=models.CharField(
+                choices=[
+                    ("pachtvertrag", "Pachtvertrag"),
+                    ("antrag", "Antrag"),
+                    ("verwendungsnachweis", "Verwendungsnachweis"),
+                    ("rechnung", "Rechnung"),
+                    ("vertrag", "Vertrag"),
+                    ("bericht", "Bericht"),
+                    ("landkarte", "Landkarte"),
+                    ("kataster", "Kataster"),
+                    ("anderes", "Anderes"),
+                ],
+                default="anderes",
+                max_length=30,
+            ),
         ),
     ]

app/stiftung/migrations/0009_alter_dokumentlink_paperless_document_id.py

@@ -6,13 +6,13 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0008_dokumentlink_destinataer_id_and_more'),
+        ("stiftung", "0008_dokumentlink_destinataer_id_and_more"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='dokumentlink',
-            name='paperless_document_id',
+            model_name="dokumentlink",
+            name="paperless_document_id",
             field=models.IntegerField(),
         ),
     ]

app/stiftung/migrations/0010_rentmeister_stiftungskonto_verwaltungskosten.py

@@ -1,100 +1,344 @@
 # Generated by Django 5.0.6 on 2025-08-24 17:48
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0009_alter_dokumentlink_paperless_document_id'),
+        ("stiftung", "0009_alter_dokumentlink_paperless_document_id"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Rentmeister',
+            name="Rentmeister",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('anrede', models.CharField(blank=True, choices=[('herr', 'Herr'), ('frau', 'Frau'), ('dr', 'Dr.'), ('prof', 'Prof.'), ('prof_dr', 'Prof. Dr.')], max_length=10, verbose_name='Anrede')),
-                ('vorname', models.CharField(max_length=100, verbose_name='Vorname')),
-                ('nachname', models.CharField(max_length=100, verbose_name='Nachname')),
-                ('titel', models.CharField(blank=True, max_length=50, verbose_name='Titel')),
-                ('email', models.EmailField(blank=True, max_length=254, verbose_name='E-Mail')),
-                ('telefon', models.CharField(blank=True, max_length=20, verbose_name='Telefon')),
-                ('mobil', models.CharField(blank=True, max_length=20, verbose_name='Mobil')),
-                ('strasse', models.CharField(blank=True, max_length=200, verbose_name='Straße')),
-                ('plz', models.CharField(blank=True, max_length=10, verbose_name='PLZ')),
-                ('ort', models.CharField(blank=True, max_length=100, verbose_name='Ort')),
-                ('iban', models.CharField(blank=True, max_length=34, verbose_name='IBAN')),
-                ('bic', models.CharField(blank=True, max_length=11, verbose_name='BIC')),
-                ('bank_name', models.CharField(blank=True, max_length=100, verbose_name='Bank')),
-                ('seit_datum', models.DateField(verbose_name='Rentmeister seit')),
-                ('bis_datum', models.DateField(blank=True, null=True, verbose_name='Rentmeister bis')),
-                ('aktiv', models.BooleanField(default=True, verbose_name='Aktiv')),
-                ('monatliche_verguetung', models.DecimalField(blank=True, decimal_places=2, max_digits=8, null=True, verbose_name='Monatliche Vergütung (€)')),
-                ('km_pauschale', models.DecimalField(decimal_places=2, default=0.3, max_digits=4, verbose_name='Kilometerpauschale (€/km)')),
-                ('notizen', models.TextField(blank=True, verbose_name='Notizen')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "anrede",
+                    models.CharField(
+                        blank=True,
+                        choices=[
+                            ("herr", "Herr"),
+                            ("frau", "Frau"),
+                            ("dr", "Dr."),
+                            ("prof", "Prof."),
+                            ("prof_dr", "Prof. Dr."),
+                        ],
+                        max_length=10,
+                        verbose_name="Anrede",
+                    ),
+                ),
+                ("vorname", models.CharField(max_length=100, verbose_name="Vorname")),
+                ("nachname", models.CharField(max_length=100, verbose_name="Nachname")),
+                (
+                    "titel",
+                    models.CharField(blank=True, max_length=50, verbose_name="Titel"),
+                ),
+                (
+                    "email",
+                    models.EmailField(
+                        blank=True, max_length=254, verbose_name="E-Mail"
+                    ),
+                ),
+                (
+                    "telefon",
+                    models.CharField(blank=True, max_length=20, verbose_name="Telefon"),
+                ),
+                (
+                    "mobil",
+                    models.CharField(blank=True, max_length=20, verbose_name="Mobil"),
+                ),
+                (
+                    "strasse",
+                    models.CharField(blank=True, max_length=200, verbose_name="Straße"),
+                ),
+                (
+                    "plz",
+                    models.CharField(blank=True, max_length=10, verbose_name="PLZ"),
+                ),
+                (
+                    "ort",
+                    models.CharField(blank=True, max_length=100, verbose_name="Ort"),
+                ),
+                (
+                    "iban",
+                    models.CharField(blank=True, max_length=34, verbose_name="IBAN"),
+                ),
+                (
+                    "bic",
+                    models.CharField(blank=True, max_length=11, verbose_name="BIC"),
+                ),
+                (
+                    "bank_name",
+                    models.CharField(blank=True, max_length=100, verbose_name="Bank"),
+                ),
+                ("seit_datum", models.DateField(verbose_name="Rentmeister seit")),
+                (
+                    "bis_datum",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Rentmeister bis"
+                    ),
+                ),
+                ("aktiv", models.BooleanField(default=True, verbose_name="Aktiv")),
+                (
+                    "monatliche_verguetung",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=8,
+                        null=True,
+                        verbose_name="Monatliche Vergütung (€)",
+                    ),
+                ),
+                (
+                    "km_pauschale",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0.3,
+                        max_digits=4,
+                        verbose_name="Kilometerpauschale (€/km)",
+                    ),
+                ),
+                ("notizen", models.TextField(blank=True, verbose_name="Notizen")),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
             ],
             options={
-                'verbose_name': 'Rentmeister',
-                'verbose_name_plural': 'Rentmeister',
-                'ordering': ['nachname', 'vorname'],
+                "verbose_name": "Rentmeister",
+                "verbose_name_plural": "Rentmeister",
+                "ordering": ["nachname", "vorname"],
             },
         ),
         migrations.CreateModel(
-            name='StiftungsKonto',
+            name="StiftungsKonto",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('kontoname', models.CharField(max_length=200, verbose_name='Kontoname')),
-                ('bank_name', models.CharField(max_length=200, verbose_name='Bank')),
-                ('iban', models.CharField(max_length=34, verbose_name='IBAN')),
-                ('bic', models.CharField(blank=True, max_length=11, verbose_name='BIC')),
-                ('konto_typ', models.CharField(choices=[('girokonto', 'Girokonto'), ('sparkonto', 'Sparkonto'), ('festgeld', 'Festgeld'), ('tagesgeld', 'Tagesgeld'), ('depot', 'Depot'), ('sonstiges', 'Sonstiges')], default='girokonto', max_length=20, verbose_name='Kontotyp')),
-                ('saldo', models.DecimalField(decimal_places=2, default=0.0, max_digits=10, verbose_name='Aktueller Saldo')),
-                ('saldo_datum', models.DateField(blank=True, null=True, verbose_name='Saldo-Datum')),
-                ('zinssatz', models.DecimalField(blank=True, decimal_places=2, max_digits=5, null=True, verbose_name='Zinssatz (%)')),
-                ('laufzeit_bis', models.DateField(blank=True, null=True, verbose_name='Laufzeit bis')),
-                ('aktiv', models.BooleanField(default=True, verbose_name='Aktiv')),
-                ('notizen', models.TextField(blank=True, verbose_name='Notizen')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "kontoname",
+                    models.CharField(max_length=200, verbose_name="Kontoname"),
+                ),
+                ("bank_name", models.CharField(max_length=200, verbose_name="Bank")),
+                ("iban", models.CharField(max_length=34, verbose_name="IBAN")),
+                (
+                    "bic",
+                    models.CharField(blank=True, max_length=11, verbose_name="BIC"),
+                ),
+                (
+                    "konto_typ",
+                    models.CharField(
+                        choices=[
+                            ("girokonto", "Girokonto"),
+                            ("sparkonto", "Sparkonto"),
+                            ("festgeld", "Festgeld"),
+                            ("tagesgeld", "Tagesgeld"),
+                            ("depot", "Depot"),
+                            ("sonstiges", "Sonstiges"),
+                        ],
+                        default="girokonto",
+                        max_length=20,
+                        verbose_name="Kontotyp",
+                    ),
+                ),
+                (
+                    "saldo",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0.0,
+                        max_digits=10,
+                        verbose_name="Aktueller Saldo",
+                    ),
+                ),
+                (
+                    "saldo_datum",
+                    models.DateField(blank=True, null=True, verbose_name="Saldo-Datum"),
+                ),
+                (
+                    "zinssatz",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=5,
+                        null=True,
+                        verbose_name="Zinssatz (%)",
+                    ),
+                ),
+                (
+                    "laufzeit_bis",
+                    models.DateField(
+                        blank=True, null=True, verbose_name="Laufzeit bis"
+                    ),
+                ),
+                ("aktiv", models.BooleanField(default=True, verbose_name="Aktiv")),
+                ("notizen", models.TextField(blank=True, verbose_name="Notizen")),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
             ],
             options={
-                'verbose_name': 'Stiftungskonto',
-                'verbose_name_plural': 'Stiftungskonten',
-                'ordering': ['bank_name', 'kontoname'],
+                "verbose_name": "Stiftungskonto",
+                "verbose_name_plural": "Stiftungskonten",
+                "ordering": ["bank_name", "kontoname"],
             },
         ),
         migrations.CreateModel(
-            name='Verwaltungskosten',
+            name="Verwaltungskosten",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('bezeichnung', models.CharField(max_length=200, verbose_name='Bezeichnung')),
-                ('kategorie', models.CharField(choices=[('rechnung_intern', 'Interne Rechnung'), ('bueroausstattung', 'Büroausstattung'), ('fahrtkosten', 'Fahrtkosten'), ('porto', 'Porto & Versand'), ('telefon_internet', 'Telefon & Internet'), ('software', 'Software & Lizenzen'), ('beratung', 'Beratung & Dienstleistungen'), ('versicherung', 'Versicherungen'), ('steuerberatung', 'Steuerberatung'), ('bankgebuehren', 'Bankgebühren'), ('sonstiges', 'Sonstiges')], max_length=30, verbose_name='Kategorie')),
-                ('betrag', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Betrag (€)')),
-                ('datum', models.DateField(verbose_name='Datum')),
-                ('lieferant_firma', models.CharField(blank=True, max_length=200, verbose_name='Lieferant/Firma')),
-                ('rechnungsnummer', models.CharField(blank=True, max_length=100, verbose_name='Rechnungsnummer')),
-                ('status', models.CharField(choices=[('geplant', 'Geplant'), ('bestellt', 'Bestellt'), ('erhalten', 'Erhalten'), ('bezahlt', 'Bezahlt'), ('storniert', 'Storniert')], default='geplant', max_length=20, verbose_name='Status')),
-                ('km_anzahl', models.DecimalField(blank=True, decimal_places=1, max_digits=8, null=True, verbose_name='Kilometer')),
-                ('km_satz', models.DecimalField(blank=True, decimal_places=2, max_digits=4, null=True, verbose_name='€/km')),
-                ('von_ort', models.CharField(blank=True, max_length=100, verbose_name='Von (Ort)')),
-                ('nach_ort', models.CharField(blank=True, max_length=100, verbose_name='Nach (Ort)')),
-                ('zweck', models.CharField(blank=True, max_length=200, verbose_name='Zweck der Fahrt')),
-                ('beschreibung', models.TextField(blank=True, verbose_name='Beschreibung')),
-                ('notizen', models.TextField(blank=True, verbose_name='Notizen')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
-                ('konto', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.stiftungskonto', verbose_name='Konto')),
-                ('rentmeister', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.rentmeister', verbose_name='Rentmeister')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "bezeichnung",
+                    models.CharField(max_length=200, verbose_name="Bezeichnung"),
+                ),
+                (
+                    "kategorie",
+                    models.CharField(
+                        choices=[
+                            ("rechnung_intern", "Interne Rechnung"),
+                            ("bueroausstattung", "Büroausstattung"),
+                            ("fahrtkosten", "Fahrtkosten"),
+                            ("porto", "Porto & Versand"),
+                            ("telefon_internet", "Telefon & Internet"),
+                            ("software", "Software & Lizenzen"),
+                            ("beratung", "Beratung & Dienstleistungen"),
+                            ("versicherung", "Versicherungen"),
+                            ("steuerberatung", "Steuerberatung"),
+                            ("bankgebuehren", "Bankgebühren"),
+                            ("sonstiges", "Sonstiges"),
+                        ],
+                        max_length=30,
+                        verbose_name="Kategorie",
+                    ),
+                ),
+                (
+                    "betrag",
+                    models.DecimalField(
+                        decimal_places=2, max_digits=10, verbose_name="Betrag (€)"
+                    ),
+                ),
+                ("datum", models.DateField(verbose_name="Datum")),
+                (
+                    "lieferant_firma",
+                    models.CharField(
+                        blank=True, max_length=200, verbose_name="Lieferant/Firma"
+                    ),
+                ),
+                (
+                    "rechnungsnummer",
+                    models.CharField(
+                        blank=True, max_length=100, verbose_name="Rechnungsnummer"
+                    ),
+                ),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("geplant", "Geplant"),
+                            ("bestellt", "Bestellt"),
+                            ("erhalten", "Erhalten"),
+                            ("bezahlt", "Bezahlt"),
+                            ("storniert", "Storniert"),
+                        ],
+                        default="geplant",
+                        max_length=20,
+                        verbose_name="Status",
+                    ),
+                ),
+                (
+                    "km_anzahl",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=1,
+                        max_digits=8,
+                        null=True,
+                        verbose_name="Kilometer",
+                    ),
+                ),
+                (
+                    "km_satz",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=4,
+                        null=True,
+                        verbose_name="€/km",
+                    ),
+                ),
+                (
+                    "von_ort",
+                    models.CharField(
+                        blank=True, max_length=100, verbose_name="Von (Ort)"
+                    ),
+                ),
+                (
+                    "nach_ort",
+                    models.CharField(
+                        blank=True, max_length=100, verbose_name="Nach (Ort)"
+                    ),
+                ),
+                (
+                    "zweck",
+                    models.CharField(
+                        blank=True, max_length=200, verbose_name="Zweck der Fahrt"
+                    ),
+                ),
+                (
+                    "beschreibung",
+                    models.TextField(blank=True, verbose_name="Beschreibung"),
+                ),
+                ("notizen", models.TextField(blank=True, verbose_name="Notizen")),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
+                (
+                    "konto",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to="stiftung.stiftungskonto",
+                        verbose_name="Konto",
+                    ),
+                ),
+                (
+                    "rentmeister",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to="stiftung.rentmeister",
+                        verbose_name="Rentmeister",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Verwaltungskosten',
-                'verbose_name_plural': 'Verwaltungskosten',
-                'ordering': ['-datum', '-erstellt_am'],
+                "verbose_name": "Verwaltungskosten",
+                "verbose_name_plural": "Verwaltungskosten",
+                "ordering": ["-datum", "-erstellt_am"],
             },
         ),
     ]

app/stiftung/migrations/0011_banktransaction.py

@@ -1,44 +1,156 @@
 # Generated by Django 5.0.6 on 2025-08-24 19:27
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0010_rentmeister_stiftungskonto_verwaltungskosten'),
+        ("stiftung", "0010_rentmeister_stiftungskonto_verwaltungskosten"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='BankTransaction',
+            name="BankTransaction",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('datum', models.DateField(verbose_name='Buchungsdatum')),
-                ('valuta', models.DateField(blank=True, null=True, verbose_name='Valutadatum')),
-                ('betrag', models.DecimalField(decimal_places=2, max_digits=12, verbose_name='Betrag (€)')),
-                ('waehrung', models.CharField(default='EUR', max_length=3, verbose_name='Währung')),
-                ('verwendungszweck', models.TextField(verbose_name='Verwendungszweck')),
-                ('empfaenger_zahlungspflichtiger', models.CharField(blank=True, max_length=200, verbose_name='Empfänger/Zahlungspflichtiger')),
-                ('iban_gegenpartei', models.CharField(blank=True, max_length=34, verbose_name='IBAN Gegenpartei')),
-                ('bic_gegenpartei', models.CharField(blank=True, max_length=11, verbose_name='BIC Gegenpartei')),
-                ('referenz', models.CharField(blank=True, max_length=100, verbose_name='Referenz/Transaktions-ID')),
-                ('transaction_type', models.CharField(choices=[('eingang', 'Eingang'), ('ausgang', 'Ausgang'), ('lastschrift', 'Lastschrift'), ('ueberweisung', 'Überweisung'), ('dauerauftrag', 'Dauerauftrag'), ('kartenzahlung', 'Kartenzahlung'), ('zinsen', 'Zinsen'), ('gebuehren', 'Gebühren'), ('sonstiges', 'Sonstiges')], default='sonstiges', max_length=20, verbose_name='Transaktionsart')),
-                ('status', models.CharField(choices=[('imported', 'Importiert'), ('verified', 'Geprüft'), ('assigned', 'Zugeordnet'), ('ignored', 'Ignoriert')], default='imported', max_length=20, verbose_name='Status')),
-                ('kommentare', models.TextField(blank=True, verbose_name='Kommentare')),
-                ('import_datei', models.CharField(blank=True, max_length=255, verbose_name='Import-Datei')),
-                ('importiert_am', models.DateTimeField(auto_now_add=True, verbose_name='Importiert am')),
-                ('saldo_nach_buchung', models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, verbose_name='Saldo nach Buchung')),
-                ('konto', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='stiftung.stiftungskonto', verbose_name='Konto')),
-                ('verwaltungskosten', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.verwaltungskosten', verbose_name='Zugeordnete Verwaltungskosten')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                ("datum", models.DateField(verbose_name="Buchungsdatum")),
+                (
+                    "valuta",
+                    models.DateField(blank=True, null=True, verbose_name="Valutadatum"),
+                ),
+                (
+                    "betrag",
+                    models.DecimalField(
+                        decimal_places=2, max_digits=12, verbose_name="Betrag (€)"
+                    ),
+                ),
+                (
+                    "waehrung",
+                    models.CharField(
+                        default="EUR", max_length=3, verbose_name="Währung"
+                    ),
+                ),
+                ("verwendungszweck", models.TextField(verbose_name="Verwendungszweck")),
+                (
+                    "empfaenger_zahlungspflichtiger",
+                    models.CharField(
+                        blank=True,
+                        max_length=200,
+                        verbose_name="Empfänger/Zahlungspflichtiger",
+                    ),
+                ),
+                (
+                    "iban_gegenpartei",
+                    models.CharField(
+                        blank=True, max_length=34, verbose_name="IBAN Gegenpartei"
+                    ),
+                ),
+                (
+                    "bic_gegenpartei",
+                    models.CharField(
+                        blank=True, max_length=11, verbose_name="BIC Gegenpartei"
+                    ),
+                ),
+                (
+                    "referenz",
+                    models.CharField(
+                        blank=True,
+                        max_length=100,
+                        verbose_name="Referenz/Transaktions-ID",
+                    ),
+                ),
+                (
+                    "transaction_type",
+                    models.CharField(
+                        choices=[
+                            ("eingang", "Eingang"),
+                            ("ausgang", "Ausgang"),
+                            ("lastschrift", "Lastschrift"),
+                            ("ueberweisung", "Überweisung"),
+                            ("dauerauftrag", "Dauerauftrag"),
+                            ("kartenzahlung", "Kartenzahlung"),
+                            ("zinsen", "Zinsen"),
+                            ("gebuehren", "Gebühren"),
+                            ("sonstiges", "Sonstiges"),
+                        ],
+                        default="sonstiges",
+                        max_length=20,
+                        verbose_name="Transaktionsart",
+                    ),
+                ),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("imported", "Importiert"),
+                            ("verified", "Geprüft"),
+                            ("assigned", "Zugeordnet"),
+                            ("ignored", "Ignoriert"),
+                        ],
+                        default="imported",
+                        max_length=20,
+                        verbose_name="Status",
+                    ),
+                ),
+                ("kommentare", models.TextField(blank=True, verbose_name="Kommentare")),
+                (
+                    "import_datei",
+                    models.CharField(
+                        blank=True, max_length=255, verbose_name="Import-Datei"
+                    ),
+                ),
+                (
+                    "importiert_am",
+                    models.DateTimeField(
+                        auto_now_add=True, verbose_name="Importiert am"
+                    ),
+                ),
+                (
+                    "saldo_nach_buchung",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=12,
+                        null=True,
+                        verbose_name="Saldo nach Buchung",
+                    ),
+                ),
+                (
+                    "konto",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="stiftung.stiftungskonto",
+                        verbose_name="Konto",
+                    ),
+                ),
+                (
+                    "verwaltungskosten",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to="stiftung.verwaltungskosten",
+                        verbose_name="Zugeordnete Verwaltungskosten",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Banktransaktion',
-                'verbose_name_plural': 'Banktransaktionen',
-                'ordering': ['-datum', '-importiert_am'],
-                'unique_together': {('konto', 'datum', 'betrag', 'referenz')},
+                "verbose_name": "Banktransaktion",
+                "verbose_name_plural": "Banktransaktionen",
+                "ordering": ["-datum", "-importiert_am"],
+                "unique_together": {("konto", "datum", "betrag", "referenz")},
             },
         ),
     ]

app/stiftung/migrations/0012_verwaltungskosten_quellkonto_and_more.py

@@ -7,28 +7,55 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0011_banktransaction'),
+        ("stiftung", "0011_banktransaction"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='verwaltungskosten',
-            name='quellkonto',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='ausgaben', to='stiftung.stiftungskonto', verbose_name='Quellkonto'),
+            model_name="verwaltungskosten",
+            name="quellkonto",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="ausgaben",
+                to="stiftung.stiftungskonto",
+                verbose_name="Quellkonto",
+            ),
         ),
         migrations.AddField(
-            model_name='verwaltungskosten',
-            name='zahlungskonto',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='zahlungen', to='stiftung.stiftungskonto', verbose_name='Zahlungskonto'),
+            model_name="verwaltungskosten",
+            name="zahlungskonto",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="zahlungen",
+                to="stiftung.stiftungskonto",
+                verbose_name="Zahlungskonto",
+            ),
         ),
         migrations.AlterField(
-            model_name='verwaltungskosten',
-            name='konto',
-            field=models.ForeignKey(blank=True, help_text='Veraltet - verwende Zahlungskonto und Quellkonto', null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.stiftungskonto', verbose_name='Konto (Legacy)'),
+            model_name="verwaltungskosten",
+            name="konto",
+            field=models.ForeignKey(
+                blank=True,
+                help_text="Veraltet - verwende Zahlungskonto und Quellkonto",
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to="stiftung.stiftungskonto",
+                verbose_name="Konto (Legacy)",
+            ),
         ),
         migrations.AlterField(
-            model_name='verwaltungskosten',
-            name='rentmeister',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.rentmeister', verbose_name='Zuständiger Rentmeister'),
+            model_name="verwaltungskosten",
+            name="rentmeister",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to="stiftung.rentmeister",
+                verbose_name="Zuständiger Rentmeister",
+            ),
         ),
     ]

app/stiftung/migrations/0013_alter_verwaltungskosten_status.py

@@ -6,13 +6,25 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0012_verwaltungskosten_quellkonto_and_more'),
+        ("stiftung", "0012_verwaltungskosten_quellkonto_and_more"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='verwaltungskosten',
-            name='status',
-            field=models.CharField(choices=[('geplant', 'Geplant'), ('bestellt', 'Bestellt'), ('erhalten', 'Erhalten'), ('in_bearbeitung', 'In Bearbeitung'), ('bezahlt', 'Bezahlt'), ('storniert', 'Storniert')], default='geplant', max_length=20, verbose_name='Status'),
+            model_name="verwaltungskosten",
+            name="status",
+            field=models.CharField(
+                choices=[
+                    ("geplant", "Geplant"),
+                    ("bestellt", "Bestellt"),
+                    ("erhalten", "Erhalten"),
+                    ("in_bearbeitung", "In Bearbeitung"),
+                    ("bezahlt", "Bezahlt"),
+                    ("storniert", "Storniert"),
+                ],
+                default="geplant",
+                max_length=20,
+                verbose_name="Status",
+            ),
         ),
     ]

app/stiftung/migrations/0014_dokumentlink_rentmeister_id.py

@@ -6,13 +6,15 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0013_alter_verwaltungskosten_status'),
+        ("stiftung", "0013_alter_verwaltungskosten_status"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='dokumentlink',
-            name='rentmeister_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Rentmeister ID'),
+            model_name="dokumentlink",
+            name="rentmeister_id",
+            field=models.UUIDField(
+                blank=True, null=True, verbose_name="Rentmeister ID"
+            ),
         ),
     ]

app/stiftung/migrations/0015_backupjob_auditlog.py

@@ -1,7 +1,8 @@
 # Generated by Django 5.0.6 on 2025-08-26 08:33
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
 
@@ -9,55 +10,229 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0014_dokumentlink_rentmeister_id'),
+        ("stiftung", "0014_dokumentlink_rentmeister_id"),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='BackupJob',
+            name="BackupJob",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('backup_type', models.CharField(choices=[('full', 'Vollständiges Backup'), ('database', 'Nur Datenbank'), ('files', 'Nur Dateien')], max_length=20, verbose_name='Backup-Typ')),
-                ('status', models.CharField(choices=[('pending', 'Wartend'), ('running', 'Läuft'), ('completed', 'Abgeschlossen'), ('failed', 'Fehlgeschlagen')], default='pending', max_length=20, verbose_name='Status')),
-                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Erstellt am')),
-                ('started_at', models.DateTimeField(blank=True, null=True, verbose_name='Gestartet am')),
-                ('completed_at', models.DateTimeField(blank=True, null=True, verbose_name='Abgeschlossen am')),
-                ('backup_filename', models.CharField(blank=True, max_length=255, verbose_name='Backup-Dateiname')),
-                ('backup_size', models.BigIntegerField(blank=True, null=True, verbose_name='Backup-Größe (Bytes)')),
-                ('error_message', models.TextField(blank=True, verbose_name='Fehlermeldung')),
-                ('database_size', models.BigIntegerField(blank=True, null=True, verbose_name='Datenbankgröße (Bytes)')),
-                ('files_count', models.IntegerField(blank=True, null=True, verbose_name='Anzahl Dateien')),
-                ('created_by', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Erstellt von')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "backup_type",
+                    models.CharField(
+                        choices=[
+                            ("full", "Vollständiges Backup"),
+                            ("database", "Nur Datenbank"),
+                            ("files", "Nur Dateien"),
+                        ],
+                        max_length=20,
+                        verbose_name="Backup-Typ",
+                    ),
+                ),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("pending", "Wartend"),
+                            ("running", "Läuft"),
+                            ("completed", "Abgeschlossen"),
+                            ("failed", "Fehlgeschlagen"),
+                        ],
+                        default="pending",
+                        max_length=20,
+                        verbose_name="Status",
+                    ),
+                ),
+                (
+                    "created_at",
+                    models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am"),
+                ),
+                (
+                    "started_at",
+                    models.DateTimeField(
+                        blank=True, null=True, verbose_name="Gestartet am"
+                    ),
+                ),
+                (
+                    "completed_at",
+                    models.DateTimeField(
+                        blank=True, null=True, verbose_name="Abgeschlossen am"
+                    ),
+                ),
+                (
+                    "backup_filename",
+                    models.CharField(
+                        blank=True, max_length=255, verbose_name="Backup-Dateiname"
+                    ),
+                ),
+                (
+                    "backup_size",
+                    models.BigIntegerField(
+                        blank=True, null=True, verbose_name="Backup-Größe (Bytes)"
+                    ),
+                ),
+                (
+                    "error_message",
+                    models.TextField(blank=True, verbose_name="Fehlermeldung"),
+                ),
+                (
+                    "database_size",
+                    models.BigIntegerField(
+                        blank=True, null=True, verbose_name="Datenbankgröße (Bytes)"
+                    ),
+                ),
+                (
+                    "files_count",
+                    models.IntegerField(
+                        blank=True, null=True, verbose_name="Anzahl Dateien"
+                    ),
+                ),
+                (
+                    "created_by",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Erstellt von",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Backup-Job',
-                'verbose_name_plural': 'Backup-Jobs',
-                'ordering': ['-created_at'],
+                "verbose_name": "Backup-Job",
+                "verbose_name_plural": "Backup-Jobs",
+                "ordering": ["-created_at"],
             },
         ),
         migrations.CreateModel(
-            name='AuditLog',
+            name="AuditLog",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('username', models.CharField(max_length=150, verbose_name='Benutzername')),
-                ('timestamp', models.DateTimeField(auto_now_add=True, verbose_name='Zeitpunkt')),
-                ('action', models.CharField(choices=[('create', 'Erstellt'), ('update', 'Aktualisiert'), ('delete', 'Gelöscht'), ('link', 'Verknüpft'), ('unlink', 'Verknüpfung entfernt'), ('login', 'Anmeldung'), ('logout', 'Abmeldung'), ('backup', 'Backup erstellt'), ('restore', 'Wiederherstellung'), ('export', 'Export'), ('import', 'Import')], max_length=20, verbose_name='Aktion')),
-                ('entity_type', models.CharField(choices=[('destinataer', 'Destinatär'), ('land', 'Länderei'), ('paechter', 'Pächter'), ('verpachtung', 'Verpachtung'), ('foerderung', 'Förderung'), ('rentmeister', 'Rentmeister'), ('stiftungskonto', 'Stiftungskonto'), ('verwaltungskosten', 'Verwaltungskosten'), ('banktransaction', 'Bank-Transaktion'), ('dokumentlink', 'Dokument-Verknüpfung'), ('system', 'System'), ('user', 'Benutzer')], max_length=20, verbose_name='Entitätstyp')),
-                ('entity_id', models.CharField(blank=True, max_length=100, verbose_name='Entitäts-ID')),
-                ('entity_name', models.CharField(max_length=255, verbose_name='Entitätsname')),
-                ('description', models.TextField(verbose_name='Beschreibung')),
-                ('changes', models.JSONField(blank=True, null=True, verbose_name='Änderungen')),
-                ('ip_address', models.GenericIPAddressField(blank=True, null=True, verbose_name='IP-Adresse')),
-                ('user_agent', models.TextField(blank=True, verbose_name='User Agent')),
-                ('session_key', models.CharField(blank=True, max_length=40, verbose_name='Session-Key')),
-                ('user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Benutzer')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "username",
+                    models.CharField(max_length=150, verbose_name="Benutzername"),
+                ),
+                (
+                    "timestamp",
+                    models.DateTimeField(auto_now_add=True, verbose_name="Zeitpunkt"),
+                ),
+                (
+                    "action",
+                    models.CharField(
+                        choices=[
+                            ("create", "Erstellt"),
+                            ("update", "Aktualisiert"),
+                            ("delete", "Gelöscht"),
+                            ("link", "Verknüpft"),
+                            ("unlink", "Verknüpfung entfernt"),
+                            ("login", "Anmeldung"),
+                            ("logout", "Abmeldung"),
+                            ("backup", "Backup erstellt"),
+                            ("restore", "Wiederherstellung"),
+                            ("export", "Export"),
+                            ("import", "Import"),
+                        ],
+                        max_length=20,
+                        verbose_name="Aktion",
+                    ),
+                ),
+                (
+                    "entity_type",
+                    models.CharField(
+                        choices=[
+                            ("destinataer", "Destinatär"),
+                            ("land", "Länderei"),
+                            ("paechter", "Pächter"),
+                            ("verpachtung", "Verpachtung"),
+                            ("foerderung", "Förderung"),
+                            ("rentmeister", "Rentmeister"),
+                            ("stiftungskonto", "Stiftungskonto"),
+                            ("verwaltungskosten", "Verwaltungskosten"),
+                            ("banktransaction", "Bank-Transaktion"),
+                            ("dokumentlink", "Dokument-Verknüpfung"),
+                            ("system", "System"),
+                            ("user", "Benutzer"),
+                        ],
+                        max_length=20,
+                        verbose_name="Entitätstyp",
+                    ),
+                ),
+                (
+                    "entity_id",
+                    models.CharField(
+                        blank=True, max_length=100, verbose_name="Entitäts-ID"
+                    ),
+                ),
+                (
+                    "entity_name",
+                    models.CharField(max_length=255, verbose_name="Entitätsname"),
+                ),
+                ("description", models.TextField(verbose_name="Beschreibung")),
+                (
+                    "changes",
+                    models.JSONField(blank=True, null=True, verbose_name="Änderungen"),
+                ),
+                (
+                    "ip_address",
+                    models.GenericIPAddressField(
+                        blank=True, null=True, verbose_name="IP-Adresse"
+                    ),
+                ),
+                ("user_agent", models.TextField(blank=True, verbose_name="User Agent")),
+                (
+                    "session_key",
+                    models.CharField(
+                        blank=True, max_length=40, verbose_name="Session-Key"
+                    ),
+                ),
+                (
+                    "user",
+                    models.ForeignKey(
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Benutzer",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Audit Log Eintrag',
-                'verbose_name_plural': 'Audit Log Einträge',
-                'ordering': ['-timestamp'],
-                'indexes': [models.Index(fields=['timestamp'], name='stiftung_au_timesta_c4591e_idx'), models.Index(fields=['user', 'timestamp'], name='stiftung_au_user_id_e3fc12_idx'), models.Index(fields=['entity_type', 'timestamp'], name='stiftung_au_entity__68f25d_idx'), models.Index(fields=['action', 'timestamp'], name='stiftung_au_action_288765_idx')],
+                "verbose_name": "Audit Log Eintrag",
+                "verbose_name_plural": "Audit Log Einträge",
+                "ordering": ["-timestamp"],
+                "indexes": [
+                    models.Index(
+                        fields=["timestamp"], name="stiftung_au_timesta_c4591e_idx"
+                    ),
+                    models.Index(
+                        fields=["user", "timestamp"],
+                        name="stiftung_au_user_id_e3fc12_idx",
+                    ),
+                    models.Index(
+                        fields=["entity_type", "timestamp"],
+                        name="stiftung_au_entity__68f25d_idx",
+                    ),
+                    models.Index(
+                        fields=["action", "timestamp"],
+                        name="stiftung_au_action_288765_idx",
+                    ),
+                ],
             },
         ),
     ]

app/stiftung/migrations/0016_applicationpermission.py

@@ -6,19 +6,57 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0015_backupjob_auditlog'),
+        ("stiftung", "0015_backupjob_auditlog"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='ApplicationPermission',
+            name="ApplicationPermission",
             fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
             ],
             options={
-                'permissions': [('manage_destinataere', 'Kann Destinatäre verwalten'), ('view_destinataere', 'Kann Destinatäre anzeigen'), ('manage_land', 'Kann Ländereien verwalten'), ('view_land', 'Kann Ländereien anzeigen'), ('manage_paechter', 'Kann Pächter verwalten'), ('view_paechter', 'Kann Pächter anzeigen'), ('manage_verpachtungen', 'Kann Verpachtungen verwalten'), ('view_verpachtungen', 'Kann Verpachtungen anzeigen'), ('manage_foerderungen', 'Kann Förderungen verwalten'), ('view_foerderungen', 'Kann Förderungen anzeigen'), ('manage_documents', 'Kann Dokumente verwalten'), ('view_documents', 'Kann Dokumente anzeigen'), ('link_documents', 'Kann Dokumente verknüpfen'), ('manage_verwaltungskosten', 'Kann Verwaltungskosten verwalten'), ('view_verwaltungskosten', 'Kann Verwaltungskosten anzeigen'), ('approve_payments', 'Kann Zahlungen genehmigen'), ('manage_konten', 'Kann Stiftungskonten verwalten'), ('view_konten', 'Kann Stiftungskonten anzeigen'), ('manage_rentmeister', 'Kann Rentmeister verwalten'), ('view_rentmeister', 'Kann Rentmeister anzeigen'), ('access_administration', 'Kann Administration aufrufen'), ('view_audit_logs', 'Kann Audit-Logs anzeigen'), ('manage_backups', 'Kann Backups erstellen und verwalten'), ('manage_users', 'Kann Benutzer verwalten'), ('manage_permissions', 'Kann Berechtigungen verwalten'), ('import_data', 'Kann Daten importieren'), ('export_data', 'Kann Daten exportieren'), ('access_django_admin', 'Kann Django Admin aufrufen'), ('view_system_stats', 'Kann Systemstatistiken anzeigen')],
-                'managed': False,
-                'default_permissions': (),
+                "permissions": [
+                    ("manage_destinataere", "Kann Destinatäre verwalten"),
+                    ("view_destinataere", "Kann Destinatäre anzeigen"),
+                    ("manage_land", "Kann Ländereien verwalten"),
+                    ("view_land", "Kann Ländereien anzeigen"),
+                    ("manage_paechter", "Kann Pächter verwalten"),
+                    ("view_paechter", "Kann Pächter anzeigen"),
+                    ("manage_verpachtungen", "Kann Verpachtungen verwalten"),
+                    ("view_verpachtungen", "Kann Verpachtungen anzeigen"),
+                    ("manage_foerderungen", "Kann Förderungen verwalten"),
+                    ("view_foerderungen", "Kann Förderungen anzeigen"),
+                    ("manage_documents", "Kann Dokumente verwalten"),
+                    ("view_documents", "Kann Dokumente anzeigen"),
+                    ("link_documents", "Kann Dokumente verknüpfen"),
+                    ("manage_verwaltungskosten", "Kann Verwaltungskosten verwalten"),
+                    ("view_verwaltungskosten", "Kann Verwaltungskosten anzeigen"),
+                    ("approve_payments", "Kann Zahlungen genehmigen"),
+                    ("manage_konten", "Kann Stiftungskonten verwalten"),
+                    ("view_konten", "Kann Stiftungskonten anzeigen"),
+                    ("manage_rentmeister", "Kann Rentmeister verwalten"),
+                    ("view_rentmeister", "Kann Rentmeister anzeigen"),
+                    ("access_administration", "Kann Administration aufrufen"),
+                    ("view_audit_logs", "Kann Audit-Logs anzeigen"),
+                    ("manage_backups", "Kann Backups erstellen und verwalten"),
+                    ("manage_users", "Kann Benutzer verwalten"),
+                    ("manage_permissions", "Kann Berechtigungen verwalten"),
+                    ("import_data", "Kann Daten importieren"),
+                    ("export_data", "Kann Daten exportieren"),
+                    ("access_django_admin", "Kann Django Admin aufrufen"),
+                    ("view_system_stats", "Kann Systemstatistiken anzeigen"),
+                ],
+                "managed": False,
+                "default_permissions": (),
             },
         ),
     ]

app/stiftung/migrations/0017_destinataer_haushaltsgroesse_and_more.py

@@ -7,48 +7,74 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0016_applicationpermission'),
+        ("stiftung", "0016_applicationpermission"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='destinataer',
-            name='haushaltsgroesse',
-            field=models.PositiveIntegerField(default=1, verbose_name='Haushaltsgröße'),
+            model_name="destinataer",
+            name="haushaltsgroesse",
+            field=models.PositiveIntegerField(default=1, verbose_name="Haushaltsgröße"),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='ist_abkoemmling',
-            field=models.BooleanField(default=False, verbose_name='Abkömmling gem. Satzung'),
+            model_name="destinataer",
+            name="ist_abkoemmling",
+            field=models.BooleanField(
+                default=False, verbose_name="Abkömmling gem. Satzung"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='letzter_studiennachweis',
-            field=models.DateField(blank=True, null=True, verbose_name='Letzter Studiennachweis'),
+            model_name="destinataer",
+            name="letzter_studiennachweis",
+            field=models.DateField(
+                blank=True, null=True, verbose_name="Letzter Studiennachweis"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='monatliche_bezuege',
-            field=models.DecimalField(blank=True, decimal_places=2, max_digits=10, null=True, verbose_name='Monatliche Bezüge (€)'),
+            model_name="destinataer",
+            name="monatliche_bezuege",
+            field=models.DecimalField(
+                blank=True,
+                decimal_places=2,
+                max_digits=10,
+                null=True,
+                verbose_name="Monatliche Bezüge (€)",
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='standard_konto',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.stiftungskonto', verbose_name='Standard Auszahlungskonto'),
+            model_name="destinataer",
+            name="standard_konto",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to="stiftung.stiftungskonto",
+                verbose_name="Standard Auszahlungskonto",
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='studiennachweis_erforderlich',
-            field=models.BooleanField(default=False, verbose_name='Studiennachweis erforderlich'),
+            model_name="destinataer",
+            name="studiennachweis_erforderlich",
+            field=models.BooleanField(
+                default=False, verbose_name="Studiennachweis erforderlich"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='unterstuetzung_bestaetigt',
-            field=models.BooleanField(default=False, verbose_name='Unterstützung bestätigt'),
+            model_name="destinataer",
+            name="unterstuetzung_bestaetigt",
+            field=models.BooleanField(
+                default=False, verbose_name="Unterstützung bestätigt"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataer',
-            name='vermoegen',
-            field=models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, verbose_name='Vermögen (€)'),
+            model_name="destinataer",
+            name="vermoegen",
+            field=models.DecimalField(
+                blank=True,
+                decimal_places=2,
+                max_digits=12,
+                null=True,
+                verbose_name="Vermögen (€)",
+            ),
         ),
     ]

app/stiftung/migrations/0018_destinataer_vierteljaehrlicher_betrag.py

@@ -6,13 +6,19 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0017_destinataer_haushaltsgroesse_and_more'),
+        ("stiftung", "0017_destinataer_haushaltsgroesse_and_more"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='destinataer',
-            name='vierteljaehrlicher_betrag',
-            field=models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, verbose_name='Vierteljährlicher Betrag (€)'),
+            model_name="destinataer",
+            name="vierteljaehrlicher_betrag",
+            field=models.DecimalField(
+                blank=True,
+                decimal_places=2,
+                max_digits=12,
+                null=True,
+                verbose_name="Vierteljährlicher Betrag (€)",
+            ),
         ),
     ]

app/stiftung/migrations/0019_destinataerunterstuetzung.py

@@ -1,35 +1,91 @@
 # Generated by Django 5.0.6 on 2025-08-29 13:40
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0018_destinataer_vierteljaehrlicher_betrag'),
+        ("stiftung", "0018_destinataer_vierteljaehrlicher_betrag"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='DestinataerUnterstuetzung',
+            name="DestinataerUnterstuetzung",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('betrag', models.DecimalField(decimal_places=2, max_digits=12, verbose_name='Betrag (€)')),
-                ('faellig_am', models.DateField(verbose_name='Fällig am')),
-                ('status', models.CharField(choices=[('geplant', 'Geplant'), ('in_bearbeitung', 'In Bearbeitung'), ('ausgezahlt', 'Ausgezahlt'), ('storniert', 'Storniert')], default='geplant', max_length=20, verbose_name='Status')),
-                ('beschreibung', models.CharField(blank=True, max_length=255, verbose_name='Beschreibung')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
-                ('destinataer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='unterstuetzungen', to='stiftung.destinataer', verbose_name='Destinatär')),
-                ('konto', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='stiftung.stiftungskonto', verbose_name='Zahlungskonto')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "betrag",
+                    models.DecimalField(
+                        decimal_places=2, max_digits=12, verbose_name="Betrag (€)"
+                    ),
+                ),
+                ("faellig_am", models.DateField(verbose_name="Fällig am")),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("geplant", "Geplant"),
+                            ("in_bearbeitung", "In Bearbeitung"),
+                            ("ausgezahlt", "Ausgezahlt"),
+                            ("storniert", "Storniert"),
+                        ],
+                        default="geplant",
+                        max_length=20,
+                        verbose_name="Status",
+                    ),
+                ),
+                (
+                    "beschreibung",
+                    models.CharField(
+                        blank=True, max_length=255, verbose_name="Beschreibung"
+                    ),
+                ),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
+                (
+                    "destinataer",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="unterstuetzungen",
+                        to="stiftung.destinataer",
+                        verbose_name="Destinatär",
+                    ),
+                ),
+                (
+                    "konto",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="stiftung.stiftungskonto",
+                        verbose_name="Zahlungskonto",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Destinatärunterstützung',
-                'verbose_name_plural': 'Destinatärunterstützungen',
-                'ordering': ['-faellig_am', '-erstellt_am'],
-                'indexes': [models.Index(fields=['status', 'faellig_am'], name='stiftung_de_status_1e9799_idx'), models.Index(fields=['destinataer', 'status'], name='stiftung_de_destina_ba7286_idx')],
+                "verbose_name": "Destinatärunterstützung",
+                "verbose_name_plural": "Destinatärunterstützungen",
+                "ordering": ["-faellig_am", "-erstellt_am"],
+                "indexes": [
+                    models.Index(
+                        fields=["status", "faellig_am"],
+                        name="stiftung_de_status_1e9799_idx",
+                    ),
+                    models.Index(
+                        fields=["destinataer", "status"],
+                        name="stiftung_de_destina_ba7286_idx",
+                    ),
+                ],
             },
         ),
     ]

app/stiftung/migrations/0020_destinataernotiz.py

@@ -1,7 +1,8 @@
 # Generated by Django 5.0.6 on 2025-08-29 16:05
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
 
@@ -9,26 +10,65 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0019_destinataerunterstuetzung'),
+        ("stiftung", "0019_destinataerunterstuetzung"),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='DestinataerNotiz',
+            name="DestinataerNotiz",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('titel', models.CharField(blank=True, max_length=200, verbose_name='Titel')),
-                ('text', models.TextField(blank=True, verbose_name='Notiz')),
-                ('datei', models.FileField(blank=True, null=True, upload_to='destinataer_notizen/', verbose_name='Anhang')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True, verbose_name='Erstellt am')),
-                ('destinataer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='notizen_eintraege', to='stiftung.destinataer', verbose_name='Destinatär')),
-                ('erstellt_von', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Erstellt von')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "titel",
+                    models.CharField(blank=True, max_length=200, verbose_name="Titel"),
+                ),
+                ("text", models.TextField(blank=True, verbose_name="Notiz")),
+                (
+                    "datei",
+                    models.FileField(
+                        blank=True,
+                        null=True,
+                        upload_to="destinataer_notizen/",
+                        verbose_name="Anhang",
+                    ),
+                ),
+                (
+                    "erstellt_am",
+                    models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am"),
+                ),
+                (
+                    "destinataer",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="notizen_eintraege",
+                        to="stiftung.destinataer",
+                        verbose_name="Destinatär",
+                    ),
+                ),
+                (
+                    "erstellt_von",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Erstellt von",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Destinatär-Notiz',
-                'verbose_name_plural': 'Destinatär-Notizen',
-                'ordering': ['-erstellt_am'],
+                "verbose_name": "Destinatär-Notiz",
+                "verbose_name_plural": "Destinatär-Notizen",
+                "ordering": ["-erstellt_am"],
             },
         ),
     ]

app/stiftung/migrations/0021_land_adresse_land_aktueller_paechter_and_more.py

@@ -1,134 +1,354 @@
 # Generated by Django 5.0.6 on 2025-08-30 14:20
 
+import uuid
+
 import django.core.validators
 import django.db.models.deletion
-import uuid
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0020_destinataernotiz'),
+        ("stiftung", "0020_destinataernotiz"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='land',
-            name='adresse',
-            field=models.CharField(blank=True, max_length=200, null=True, verbose_name='Adresse/Ortsangabe'),
+            model_name="land",
+            name="adresse",
+            field=models.CharField(
+                blank=True, max_length=200, null=True, verbose_name="Adresse/Ortsangabe"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='aktueller_paechter',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='gepachtete_laendereien', to='stiftung.paechter', verbose_name='Aktueller Pächter'),
+            model_name="land",
+            name="aktueller_paechter",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="gepachtete_laendereien",
+                to="stiftung.paechter",
+                verbose_name="Aktueller Pächter",
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='grundbuchblatt',
-            field=models.CharField(blank=True, max_length=50, null=True, verbose_name='Grundbuchblatt'),
+            model_name="land",
+            name="grundbuchblatt",
+            field=models.CharField(
+                blank=True, max_length=50, null=True, verbose_name="Grundbuchblatt"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='grundsteuer_umlage',
-            field=models.BooleanField(default=True, verbose_name='Grundsteuer umlagefähig'),
+            model_name="land",
+            name="grundsteuer_umlage",
+            field=models.BooleanField(
+                default=True, verbose_name="Grundsteuer umlagefähig"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='jagdpacht_anteil_umlage',
-            field=models.BooleanField(default=False, verbose_name='Jagdpachtanteile umlagefähig'),
+            model_name="land",
+            name="jagdpacht_anteil_umlage",
+            field=models.BooleanField(
+                default=False, verbose_name="Jagdpachtanteile umlagefähig"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='pachtbeginn',
-            field=models.DateField(blank=True, null=True, verbose_name='Pachtbeginn'),
+            model_name="land",
+            name="pachtbeginn",
+            field=models.DateField(blank=True, null=True, verbose_name="Pachtbeginn"),
         ),
         migrations.AddField(
-            model_name='land',
-            name='pachtende',
-            field=models.DateField(blank=True, null=True, verbose_name='Pachtende'),
+            model_name="land",
+            name="pachtende",
+            field=models.DateField(blank=True, null=True, verbose_name="Pachtende"),
         ),
         migrations.AddField(
-            model_name='land',
-            name='pachtzins_pauschal',
-            field=models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Pachtzins pauschal/Jahr (€)'),
+            model_name="land",
+            name="pachtzins_pauschal",
+            field=models.DecimalField(
+                blank=True,
+                decimal_places=2,
+                max_digits=12,
+                null=True,
+                validators=[django.core.validators.MinValueValidator(0)],
+                verbose_name="Pachtzins pauschal/Jahr (€)",
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='pachtzins_pro_ha',
-            field=models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Pachtzins pro ha (€)'),
+            model_name="land",
+            name="pachtzins_pro_ha",
+            field=models.DecimalField(
+                blank=True,
+                decimal_places=2,
+                max_digits=12,
+                null=True,
+                validators=[django.core.validators.MinValueValidator(0)],
+                verbose_name="Pachtzins pro ha (€)",
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='paechter_anschrift',
-            field=models.TextField(blank=True, null=True, verbose_name='Pächter Anschrift'),
+            model_name="land",
+            name="paechter_anschrift",
+            field=models.TextField(
+                blank=True, null=True, verbose_name="Pächter Anschrift"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='paechter_name',
-            field=models.CharField(blank=True, max_length=150, null=True, verbose_name='Pächter Name'),
+            model_name="land",
+            name="paechter_name",
+            field=models.CharField(
+                blank=True, max_length=150, null=True, verbose_name="Pächter Name"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='ust_option',
-            field=models.BooleanField(default=False, verbose_name='USt-Option'),
+            model_name="land",
+            name="ust_option",
+            field=models.BooleanField(default=False, verbose_name="USt-Option"),
         ),
         migrations.AddField(
-            model_name='land',
-            name='ust_satz',
-            field=models.DecimalField(decimal_places=2, default=19.0, max_digits=4, verbose_name='USt-Satz (%)'),
+            model_name="land",
+            name="ust_satz",
+            field=models.DecimalField(
+                decimal_places=2,
+                default=19.0,
+                max_digits=4,
+                verbose_name="USt-Satz (%)",
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='verbandsbeitraege_umlage',
-            field=models.BooleanField(default=True, verbose_name='Verbandsbeiträge umlagefähig'),
+            model_name="land",
+            name="verbandsbeitraege_umlage",
+            field=models.BooleanField(
+                default=True, verbose_name="Verbandsbeiträge umlagefähig"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='verlaengerung_klausel',
-            field=models.BooleanField(default=False, verbose_name='Automatische Verlängerung'),
+            model_name="land",
+            name="verlaengerung_klausel",
+            field=models.BooleanField(
+                default=False, verbose_name="Automatische Verlängerung"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='versicherungen_umlage',
-            field=models.BooleanField(default=True, verbose_name='Versicherungen umlagefähig'),
+            model_name="land",
+            name="versicherungen_umlage",
+            field=models.BooleanField(
+                default=True, verbose_name="Versicherungen umlagefähig"
+            ),
         ),
         migrations.AddField(
-            model_name='land',
-            name='zahlungsweise',
-            field=models.CharField(choices=[('jaehrlich', 'Jährlich'), ('halbjaehrlich', 'Halbjährlich'), ('vierteljaehrlich', 'Vierteljährlich'), ('monatlich', 'Monatlich')], default='jaehrlich', max_length=20, verbose_name='Zahlungsweise'),
+            model_name="land",
+            name="zahlungsweise",
+            field=models.CharField(
+                choices=[
+                    ("jaehrlich", "Jährlich"),
+                    ("halbjaehrlich", "Halbjährlich"),
+                    ("vierteljaehrlich", "Vierteljährlich"),
+                    ("monatlich", "Monatlich"),
+                ],
+                default="jaehrlich",
+                max_length=20,
+                verbose_name="Zahlungsweise",
+            ),
         ),
         migrations.CreateModel(
-            name='LandAbrechnung',
+            name="LandAbrechnung",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('abrechnungsjahr', models.IntegerField(validators=[django.core.validators.MinValueValidator(2000)], verbose_name='Abrechnungsjahr')),
-                ('pacht_vereinnahmt', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Pacht vereinnahmt (€)')),
-                ('umlagen_vereinnahmt', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Umlagen vereinnahmt (€)')),
-                ('sonstige_einnahmen', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Sonstige Einnahmen (€)')),
-                ('zahlungen', models.JSONField(blank=True, help_text='Liste von Objekten {datum, betrag, art}', null=True, verbose_name='Zahlungstermine')),
-                ('grundsteuer_bescheid_nr', models.CharField(blank=True, max_length=80, null=True, verbose_name='Grundsteuer-Bescheid Nr.')),
-                ('grundsteuer_betrag', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Grundsteuer Betrag (€)')),
-                ('versicherungen_betrag', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Versicherungen Betrag (€)')),
-                ('verbandsbeitraege_betrag', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Verbandsbeiträge Betrag (€)')),
-                ('sonstige_abgaben_betrag', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Sonstige öffentliche Abgaben (€)')),
-                ('instandhaltung_betrag', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Instandhaltung/Reparaturen (€)')),
-                ('verwaltung_recht_betrag', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Verwaltung/Recht (€)')),
-                ('vorsteuer_aus_umlagen', models.DecimalField(decimal_places=2, default=0, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Vorsteuer aus umgelegten Kosten (€)')),
-                ('offene_posten', models.DecimalField(decimal_places=2, default=0, max_digits=12, verbose_name='Offene Posten (€)')),
-                ('bemerkungen', models.TextField(blank=True, null=True, verbose_name='Bemerkungen Abrechnung')),
-                ('pachtvertrag_datei', models.FileField(blank=True, null=True, upload_to='land_abrechnungen/vertraege/', verbose_name='Pachtvertrag (Datei)')),
-                ('grundsteuer_bescheid_datei', models.FileField(blank=True, null=True, upload_to='land_abrechnungen/bescheide/', verbose_name='Grundsteuerbescheid (Datei)')),
-                ('versicherungsnachweis_datei', models.FileField(blank=True, null=True, upload_to='land_abrechnungen/versicherungen/', verbose_name='Versicherungsnachweis (Datei)')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
-                ('land', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='abrechnungen', to='stiftung.land', verbose_name='Länderei')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "abrechnungsjahr",
+                    models.IntegerField(
+                        validators=[django.core.validators.MinValueValidator(2000)],
+                        verbose_name="Abrechnungsjahr",
+                    ),
+                ),
+                (
+                    "pacht_vereinnahmt",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Pacht vereinnahmt (€)",
+                    ),
+                ),
+                (
+                    "umlagen_vereinnahmt",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Umlagen vereinnahmt (€)",
+                    ),
+                ),
+                (
+                    "sonstige_einnahmen",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Sonstige Einnahmen (€)",
+                    ),
+                ),
+                (
+                    "zahlungen",
+                    models.JSONField(
+                        blank=True,
+                        help_text="Liste von Objekten {datum, betrag, art}",
+                        null=True,
+                        verbose_name="Zahlungstermine",
+                    ),
+                ),
+                (
+                    "grundsteuer_bescheid_nr",
+                    models.CharField(
+                        blank=True,
+                        max_length=80,
+                        null=True,
+                        verbose_name="Grundsteuer-Bescheid Nr.",
+                    ),
+                ),
+                (
+                    "grundsteuer_betrag",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Grundsteuer Betrag (€)",
+                    ),
+                ),
+                (
+                    "versicherungen_betrag",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Versicherungen Betrag (€)",
+                    ),
+                ),
+                (
+                    "verbandsbeitraege_betrag",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Verbandsbeiträge Betrag (€)",
+                    ),
+                ),
+                (
+                    "sonstige_abgaben_betrag",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Sonstige öffentliche Abgaben (€)",
+                    ),
+                ),
+                (
+                    "instandhaltung_betrag",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Instandhaltung/Reparaturen (€)",
+                    ),
+                ),
+                (
+                    "verwaltung_recht_betrag",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Verwaltung/Recht (€)",
+                    ),
+                ),
+                (
+                    "vorsteuer_aus_umlagen",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Vorsteuer aus umgelegten Kosten (€)",
+                    ),
+                ),
+                (
+                    "offene_posten",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=0,
+                        max_digits=12,
+                        verbose_name="Offene Posten (€)",
+                    ),
+                ),
+                (
+                    "bemerkungen",
+                    models.TextField(
+                        blank=True, null=True, verbose_name="Bemerkungen Abrechnung"
+                    ),
+                ),
+                (
+                    "pachtvertrag_datei",
+                    models.FileField(
+                        blank=True,
+                        null=True,
+                        upload_to="land_abrechnungen/vertraege/",
+                        verbose_name="Pachtvertrag (Datei)",
+                    ),
+                ),
+                (
+                    "grundsteuer_bescheid_datei",
+                    models.FileField(
+                        blank=True,
+                        null=True,
+                        upload_to="land_abrechnungen/bescheide/",
+                        verbose_name="Grundsteuerbescheid (Datei)",
+                    ),
+                ),
+                (
+                    "versicherungsnachweis_datei",
+                    models.FileField(
+                        blank=True,
+                        null=True,
+                        upload_to="land_abrechnungen/versicherungen/",
+                        verbose_name="Versicherungsnachweis (Datei)",
+                    ),
+                ),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
+                (
+                    "land",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="abrechnungen",
+                        to="stiftung.land",
+                        verbose_name="Länderei",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Landabrechnung',
-                'verbose_name_plural': 'Landabrechnungen',
-                'ordering': ['-abrechnungsjahr', 'land__gemeinde', 'land__gemarkung'],
-                'unique_together': {('land', 'abrechnungsjahr')},
+                "verbose_name": "Landabrechnung",
+                "verbose_name_plural": "Landabrechnungen",
+                "ordering": ["-abrechnungsjahr", "land__gemeinde", "land__gemarkung"],
+                "unique_together": {("land", "abrechnungsjahr")},
             },
         ),
     ]

app/stiftung/migrations/0022_dokumentlink_land_verpachtung_id_and_more.py

@@ -1,57 +1,185 @@
 # Generated by Django 5.0.6 on 2025-08-30 16:59
 
+import uuid
+
 import django.core.validators
 import django.db.models.deletion
-import uuid
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0021_land_adresse_land_aktueller_paechter_and_more'),
+        ("stiftung", "0021_land_adresse_land_aktueller_paechter_and_more"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='dokumentlink',
-            name='land_verpachtung_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Landverpachtung ID (Neu)'),
+            model_name="dokumentlink",
+            name="land_verpachtung_id",
+            field=models.UUIDField(
+                blank=True, null=True, verbose_name="Landverpachtung ID (Neu)"
+            ),
         ),
         migrations.AlterField(
-            model_name='dokumentlink',
-            name='verpachtung_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Verpachtung ID (Legacy)'),
+            model_name="dokumentlink",
+            name="verpachtung_id",
+            field=models.UUIDField(
+                blank=True, null=True, verbose_name="Verpachtung ID (Legacy)"
+            ),
         ),
         migrations.CreateModel(
-            name='LandVerpachtung',
+            name="LandVerpachtung",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('vertragsnummer', models.CharField(max_length=50, unique=True, verbose_name='Vertragsnummer')),
-                ('pachtbeginn', models.DateField(verbose_name='Pachtbeginn')),
-                ('pachtende', models.DateField(blank=True, null=True, verbose_name='Pachtende')),
-                ('verlaengerung_klausel', models.BooleanField(default=False, verbose_name='Automatische Verlängerung')),
-                ('verpachtete_flaeche', models.DecimalField(decimal_places=2, max_digits=12, validators=[django.core.validators.MinValueValidator(0.01)], verbose_name='Verpachtete Fläche (qm)')),
-                ('pachtzins_pauschal', models.DecimalField(decimal_places=2, max_digits=12, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Pachtzins pauschal/Jahr (€)')),
-                ('pachtzins_pro_ha', models.DecimalField(blank=True, decimal_places=2, max_digits=12, null=True, validators=[django.core.validators.MinValueValidator(0)], verbose_name='Pachtzins pro ha (€)')),
-                ('zahlungsweise', models.CharField(choices=[('jaehrlich', 'Jährlich'), ('halbjaehrlich', 'Halbjährlich'), ('vierteljaehrlich', 'Vierteljährlich'), ('monatlich', 'Monatlich')], default='jaehrlich', max_length=20, verbose_name='Zahlungsweise')),
-                ('ust_option', models.BooleanField(default=False, verbose_name='USt-Option')),
-                ('ust_satz', models.DecimalField(decimal_places=2, default=19.0, max_digits=4, verbose_name='USt-Satz (%)')),
-                ('grundsteuer_umlage', models.BooleanField(default=True, verbose_name='Grundsteuer umlagefähig')),
-                ('versicherungen_umlage', models.BooleanField(default=True, verbose_name='Versicherungen umlagefähig')),
-                ('verbandsbeitraege_umlage', models.BooleanField(default=True, verbose_name='Verbandsbeiträge umlagefähig')),
-                ('jagdpacht_anteil_umlage', models.BooleanField(default=False, verbose_name='Jagdpachtanteile umlagefähig')),
-                ('status', models.CharField(choices=[('aktiv', 'Aktiv'), ('beendet', 'Beendet'), ('gekuendigt', 'Gekündigt'), ('verlängert', 'Verlängert')], default='aktiv', max_length=20, verbose_name='Status')),
-                ('bemerkungen', models.TextField(blank=True, null=True, verbose_name='Bemerkungen')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('aktualisiert_am', models.DateTimeField(auto_now=True)),
-                ('land', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='neue_verpachtungen', to='stiftung.land', verbose_name='Länderei')),
-                ('paechter', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='neue_verpachtungen', to='stiftung.paechter', verbose_name='Pächter')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "vertragsnummer",
+                    models.CharField(
+                        max_length=50, unique=True, verbose_name="Vertragsnummer"
+                    ),
+                ),
+                ("pachtbeginn", models.DateField(verbose_name="Pachtbeginn")),
+                (
+                    "pachtende",
+                    models.DateField(blank=True, null=True, verbose_name="Pachtende"),
+                ),
+                (
+                    "verlaengerung_klausel",
+                    models.BooleanField(
+                        default=False, verbose_name="Automatische Verlängerung"
+                    ),
+                ),
+                (
+                    "verpachtete_flaeche",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0.01)],
+                        verbose_name="Verpachtete Fläche (qm)",
+                    ),
+                ),
+                (
+                    "pachtzins_pauschal",
+                    models.DecimalField(
+                        decimal_places=2,
+                        max_digits=12,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Pachtzins pauschal/Jahr (€)",
+                    ),
+                ),
+                (
+                    "pachtzins_pro_ha",
+                    models.DecimalField(
+                        blank=True,
+                        decimal_places=2,
+                        max_digits=12,
+                        null=True,
+                        validators=[django.core.validators.MinValueValidator(0)],
+                        verbose_name="Pachtzins pro ha (€)",
+                    ),
+                ),
+                (
+                    "zahlungsweise",
+                    models.CharField(
+                        choices=[
+                            ("jaehrlich", "Jährlich"),
+                            ("halbjaehrlich", "Halbjährlich"),
+                            ("vierteljaehrlich", "Vierteljährlich"),
+                            ("monatlich", "Monatlich"),
+                        ],
+                        default="jaehrlich",
+                        max_length=20,
+                        verbose_name="Zahlungsweise",
+                    ),
+                ),
+                (
+                    "ust_option",
+                    models.BooleanField(default=False, verbose_name="USt-Option"),
+                ),
+                (
+                    "ust_satz",
+                    models.DecimalField(
+                        decimal_places=2,
+                        default=19.0,
+                        max_digits=4,
+                        verbose_name="USt-Satz (%)",
+                    ),
+                ),
+                (
+                    "grundsteuer_umlage",
+                    models.BooleanField(
+                        default=True, verbose_name="Grundsteuer umlagefähig"
+                    ),
+                ),
+                (
+                    "versicherungen_umlage",
+                    models.BooleanField(
+                        default=True, verbose_name="Versicherungen umlagefähig"
+                    ),
+                ),
+                (
+                    "verbandsbeitraege_umlage",
+                    models.BooleanField(
+                        default=True, verbose_name="Verbandsbeiträge umlagefähig"
+                    ),
+                ),
+                (
+                    "jagdpacht_anteil_umlage",
+                    models.BooleanField(
+                        default=False, verbose_name="Jagdpachtanteile umlagefähig"
+                    ),
+                ),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("aktiv", "Aktiv"),
+                            ("beendet", "Beendet"),
+                            ("gekuendigt", "Gekündigt"),
+                            ("verlängert", "Verlängert"),
+                        ],
+                        default="aktiv",
+                        max_length=20,
+                        verbose_name="Status",
+                    ),
+                ),
+                (
+                    "bemerkungen",
+                    models.TextField(blank=True, null=True, verbose_name="Bemerkungen"),
+                ),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                ("aktualisiert_am", models.DateTimeField(auto_now=True)),
+                (
+                    "land",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="neue_verpachtungen",
+                        to="stiftung.land",
+                        verbose_name="Länderei",
+                    ),
+                ),
+                (
+                    "paechter",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="neue_verpachtungen",
+                        to="stiftung.paechter",
+                        verbose_name="Pächter",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Landverpachtung',
-                'verbose_name_plural': 'Landverpachtungen',
-                'ordering': ['-pachtbeginn', 'land'],
+                "verbose_name": "Landverpachtung",
+                "verbose_name_plural": "Landverpachtungen",
+                "ordering": ["-pachtbeginn", "land"],
             },
         ),
     ]

app/stiftung/migrations/0023_remove_legacy_verpachtung.py

@@ -6,11 +6,11 @@ from django.db import migrations
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0022_dokumentlink_land_verpachtung_id_and_more'),
+        ("stiftung", "0022_dokumentlink_land_verpachtung_id_and_more"),
     ]
 
     operations = [
         migrations.DeleteModel(
-            name='Verpachtung',
+            name="Verpachtung",
         ),
     ]

app/stiftung/migrations/0024_dokumentlink_abrechnung_id.py

@@ -6,13 +6,13 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0023_remove_legacy_verpachtung'),
+        ("stiftung", "0023_remove_legacy_verpachtung"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='dokumentlink',
-            name='abrechnung_id',
-            field=models.UUIDField(blank=True, null=True, verbose_name='Abrechnung ID'),
+            model_name="dokumentlink",
+            name="abrechnung_id",
+            field=models.UUIDField(blank=True, null=True, verbose_name="Abrechnung ID"),
         ),
     ]

app/stiftung/migrations/0025_appconfiguration.py

@@ -1,37 +1,90 @@
 # Generated by Django 5.0.6 on 2025-08-31 22:08
 
 import uuid
+
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0024_dokumentlink_abrechnung_id'),
+        ("stiftung", "0024_dokumentlink_abrechnung_id"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='AppConfiguration',
+            name="AppConfiguration",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('key', models.CharField(max_length=100, unique=True, verbose_name='Setting Key')),
-                ('display_name', models.CharField(max_length=200, verbose_name='Display Name')),
-                ('description', models.TextField(blank=True, null=True, verbose_name='Description')),
-                ('value', models.TextField(verbose_name='Value')),
-                ('default_value', models.TextField(verbose_name='Default Value')),
-                ('setting_type', models.CharField(choices=[('text', 'Text'), ('number', 'Number'), ('boolean', 'Boolean'), ('url', 'URL'), ('tag', 'Tag Name'), ('tag_id', 'Tag ID')], default='text', max_length=20, verbose_name='Type')),
-                ('category', models.CharField(choices=[('paperless', 'Paperless Integration'), ('general', 'General Settings'), ('notifications', 'Notifications'), ('system', 'System Settings')], default='general', max_length=50, verbose_name='Category')),
-                ('is_active', models.BooleanField(default=True, verbose_name='Active')),
-                ('is_system', models.BooleanField(default=False, verbose_name='System Setting (read-only)')),
-                ('order', models.IntegerField(default=0, verbose_name='Display Order')),
-                ('created_at', models.DateTimeField(auto_now_add=True)),
-                ('updated_at', models.DateTimeField(auto_now=True)),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "key",
+                    models.CharField(
+                        max_length=100, unique=True, verbose_name="Setting Key"
+                    ),
+                ),
+                (
+                    "display_name",
+                    models.CharField(max_length=200, verbose_name="Display Name"),
+                ),
+                (
+                    "description",
+                    models.TextField(blank=True, null=True, verbose_name="Description"),
+                ),
+                ("value", models.TextField(verbose_name="Value")),
+                ("default_value", models.TextField(verbose_name="Default Value")),
+                (
+                    "setting_type",
+                    models.CharField(
+                        choices=[
+                            ("text", "Text"),
+                            ("number", "Number"),
+                            ("boolean", "Boolean"),
+                            ("url", "URL"),
+                            ("tag", "Tag Name"),
+                            ("tag_id", "Tag ID"),
+                        ],
+                        default="text",
+                        max_length=20,
+                        verbose_name="Type",
+                    ),
+                ),
+                (
+                    "category",
+                    models.CharField(
+                        choices=[
+                            ("paperless", "Paperless Integration"),
+                            ("general", "General Settings"),
+                            ("notifications", "Notifications"),
+                            ("system", "System Settings"),
+                        ],
+                        default="general",
+                        max_length=50,
+                        verbose_name="Category",
+                    ),
+                ),
+                ("is_active", models.BooleanField(default=True, verbose_name="Active")),
+                (
+                    "is_system",
+                    models.BooleanField(
+                        default=False, verbose_name="System Setting (read-only)"
+                    ),
+                ),
+                ("order", models.IntegerField(default=0, verbose_name="Display Order")),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
             ],
             options={
-                'verbose_name': 'App Configuration',
-                'verbose_name_plural': 'App Configurations',
-                'ordering': ['category', 'order', 'display_name'],
+                "verbose_name": "App Configuration",
+                "verbose_name_plural": "App Configurations",
+                "ordering": ["category", "order", "display_name"],
             },
         ),
     ]

app/stiftung/migrations/0026_enhance_unterstuetzung_model.py

@@ -1,7 +1,8 @@
 # Generated by Django 5.0.6 on 2025-09-01 20:03
 
-import django.db.models.deletion
 import uuid
+
+import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
 
@@ -9,81 +10,192 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0025_appconfiguration'),
+        ("stiftung", "0025_appconfiguration"),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='destinataerunterstuetzung',
-            name='ausgezahlt_am',
-            field=models.DateField(blank=True, null=True, verbose_name='Ausgezahlt am'),
+            model_name="destinataerunterstuetzung",
+            name="ausgezahlt_am",
+            field=models.DateField(blank=True, null=True, verbose_name="Ausgezahlt am"),
         ),
         migrations.AddField(
-            model_name='destinataerunterstuetzung',
-            name='ausgezahlt_von',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Ausgezahlt von'),
+            model_name="destinataerunterstuetzung",
+            name="ausgezahlt_von",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to=settings.AUTH_USER_MODEL,
+                verbose_name="Ausgezahlt von",
+            ),
         ),
         migrations.AddField(
-            model_name='destinataerunterstuetzung',
-            name='empfaenger_iban',
-            field=models.CharField(blank=True, max_length=34, verbose_name='Empfänger IBAN'),
+            model_name="destinataerunterstuetzung",
+            name="empfaenger_iban",
+            field=models.CharField(
+                blank=True, max_length=34, verbose_name="Empfänger IBAN"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataerunterstuetzung',
-            name='empfaenger_name',
-            field=models.CharField(blank=True, max_length=200, verbose_name='Empfänger Name'),
+            model_name="destinataerunterstuetzung",
+            name="empfaenger_name",
+            field=models.CharField(
+                blank=True, max_length=200, verbose_name="Empfänger Name"
+            ),
         ),
         migrations.AddField(
-            model_name='destinataerunterstuetzung',
-            name='verwendungszweck',
-            field=models.CharField(blank=True, max_length=140, verbose_name='Verwendungszweck'),
+            model_name="destinataerunterstuetzung",
+            name="verwendungszweck",
+            field=models.CharField(
+                blank=True, max_length=140, verbose_name="Verwendungszweck"
+            ),
         ),
         migrations.AlterField(
-            model_name='destinataerunterstuetzung',
-            name='status',
-            field=models.CharField(choices=[('geplant', 'Geplant'), ('faellig', 'Fällig'), ('in_bearbeitung', 'In Bearbeitung'), ('ausgezahlt', 'Ausgezahlt'), ('storniert', 'Storniert')], default='geplant', max_length=20, verbose_name='Status'),
+            model_name="destinataerunterstuetzung",
+            name="status",
+            field=models.CharField(
+                choices=[
+                    ("geplant", "Geplant"),
+                    ("faellig", "Fällig"),
+                    ("in_bearbeitung", "In Bearbeitung"),
+                    ("ausgezahlt", "Ausgezahlt"),
+                    ("storniert", "Storniert"),
+                ],
+                default="geplant",
+                max_length=20,
+                verbose_name="Status",
+            ),
         ),
         migrations.CreateModel(
-            name='UnterstuetzungWiederkehrend',
+            name="UnterstuetzungWiederkehrend",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('betrag', models.DecimalField(decimal_places=2, max_digits=12, verbose_name='Betrag (€)')),
-                ('intervall', models.CharField(choices=[('monatlich', 'Monatlich'), ('quartalsweise', 'Vierteljährlich'), ('halbjaehrlich', 'Halbjährlich'), ('jaehrlich', 'Jährlich')], max_length=20, verbose_name='Intervall')),
-                ('beschreibung', models.CharField(blank=True, max_length=255, verbose_name='Beschreibung')),
-                ('empfaenger_iban', models.CharField(max_length=34, verbose_name='Empfänger IBAN')),
-                ('empfaenger_name', models.CharField(max_length=200, verbose_name='Empfänger Name')),
-                ('verwendungszweck', models.CharField(blank=True, max_length=140, verbose_name='Verwendungszweck')),
-                ('erste_zahlung_am', models.DateField(verbose_name='Erste Zahlung am')),
-                ('letzte_zahlung_am', models.DateField(blank=True, null=True, verbose_name='Letzte Zahlung am (optional)')),
-                ('naechste_generierung', models.DateField(verbose_name='Nächste Generierung')),
-                ('aktiv', models.BooleanField(default=True, verbose_name='Aktiv')),
-                ('erstellt_am', models.DateTimeField(auto_now_add=True)),
-                ('destinataer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='wiederkehrende_unterstuetzungen', to='stiftung.destinataer', verbose_name='Destinatär')),
-                ('erstellt_von', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='Erstellt von')),
-                ('konto', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='stiftung.stiftungskonto', verbose_name='Zahlungskonto')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "betrag",
+                    models.DecimalField(
+                        decimal_places=2, max_digits=12, verbose_name="Betrag (€)"
+                    ),
+                ),
+                (
+                    "intervall",
+                    models.CharField(
+                        choices=[
+                            ("monatlich", "Monatlich"),
+                            ("quartalsweise", "Vierteljährlich"),
+                            ("halbjaehrlich", "Halbjährlich"),
+                            ("jaehrlich", "Jährlich"),
+                        ],
+                        max_length=20,
+                        verbose_name="Intervall",
+                    ),
+                ),
+                (
+                    "beschreibung",
+                    models.CharField(
+                        blank=True, max_length=255, verbose_name="Beschreibung"
+                    ),
+                ),
+                (
+                    "empfaenger_iban",
+                    models.CharField(max_length=34, verbose_name="Empfänger IBAN"),
+                ),
+                (
+                    "empfaenger_name",
+                    models.CharField(max_length=200, verbose_name="Empfänger Name"),
+                ),
+                (
+                    "verwendungszweck",
+                    models.CharField(
+                        blank=True, max_length=140, verbose_name="Verwendungszweck"
+                    ),
+                ),
+                ("erste_zahlung_am", models.DateField(verbose_name="Erste Zahlung am")),
+                (
+                    "letzte_zahlung_am",
+                    models.DateField(
+                        blank=True,
+                        null=True,
+                        verbose_name="Letzte Zahlung am (optional)",
+                    ),
+                ),
+                (
+                    "naechste_generierung",
+                    models.DateField(verbose_name="Nächste Generierung"),
+                ),
+                ("aktiv", models.BooleanField(default=True, verbose_name="Aktiv")),
+                ("erstellt_am", models.DateTimeField(auto_now_add=True)),
+                (
+                    "destinataer",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="wiederkehrende_unterstuetzungen",
+                        to="stiftung.destinataer",
+                        verbose_name="Destinatär",
+                    ),
+                ),
+                (
+                    "erstellt_von",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="Erstellt von",
+                    ),
+                ),
+                (
+                    "konto",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="stiftung.stiftungskonto",
+                        verbose_name="Zahlungskonto",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Wiederkehrende Unterstützung',
-                'verbose_name_plural': 'Wiederkehrende Unterstützungen',
-                'ordering': ['-erstellt_am'],
+                "verbose_name": "Wiederkehrende Unterstützung",
+                "verbose_name_plural": "Wiederkehrende Unterstützungen",
+                "ordering": ["-erstellt_am"],
             },
         ),
         migrations.AddField(
-            model_name='destinataerunterstuetzung',
-            name='wiederkehrend_von',
-            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='stiftung.unterstuetzungwiederkehrend', verbose_name='Wiederkehrende Zahlung'),
+            model_name="destinataerunterstuetzung",
+            name="wiederkehrend_von",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to="stiftung.unterstuetzungwiederkehrend",
+                verbose_name="Wiederkehrende Zahlung",
+            ),
         ),
         migrations.AddIndex(
-            model_name='destinataerunterstuetzung',
-            index=models.Index(fields=['wiederkehrend_von'], name='stiftung_de_wiederk_3d5afc_idx'),
+            model_name="destinataerunterstuetzung",
+            index=models.Index(
+                fields=["wiederkehrend_von"], name="stiftung_de_wiederk_3d5afc_idx"
+            ),
         ),
         migrations.AddIndex(
-            model_name='unterstuetzungwiederkehrend',
-            index=models.Index(fields=['aktiv', 'naechste_generierung'], name='stiftung_un_aktiv_b957e5_idx'),
+            model_name="unterstuetzungwiederkehrend",
+            index=models.Index(
+                fields=["aktiv", "naechste_generierung"],
+                name="stiftung_un_aktiv_b957e5_idx",
+            ),
         ),
         migrations.AddIndex(
-            model_name='unterstuetzungwiederkehrend',
-            index=models.Index(fields=['destinataer', 'aktiv'], name='stiftung_un_destina_2232fc_idx'),
+            model_name="unterstuetzungwiederkehrend",
+            index=models.Index(
+                fields=["destinataer", "aktiv"], name="stiftung_un_destina_2232fc_idx"
+            ),
         ),
     ]

app/stiftung/migrations/0027_helpbox_alter_appconfiguration_category.py

@@ -1,38 +1,106 @@
 # Generated by Django 5.0.6 on 2025-09-02 19:56
 
 import uuid
+
 from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0026_enhance_unterstuetzung_model'),
+        ("stiftung", "0026_enhance_unterstuetzung_model"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='HelpBox',
+            name="HelpBox",
             fields=[
-                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
-                ('page_key', models.CharField(choices=[('destinataer_new', 'Neuer Destinatär'), ('unterstuetzung_new', 'Neue Unterstützung'), ('foerderung_new', 'Neue Förderung'), ('paechter_new', 'Neuer Pächter'), ('laenderei_new', 'Neue Länderei'), ('verpachtung_new', 'Neue Verpachtung'), ('person_new', 'Neue Person'), ('konto_new', 'Neues Konto')], max_length=50, unique=True, verbose_name='Seite')),
-                ('title', models.CharField(max_length=200, verbose_name='Titel der Hilfsbox')),
-                ('content', models.TextField(help_text='Sie können Markdown verwenden: **fett**, *kursiv*, `code`, [Link](url), etc.', verbose_name='Inhalt (Markdown unterstützt)')),
-                ('is_active', models.BooleanField(default=True, verbose_name='Aktiv')),
-                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Erstellt am')),
-                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Aktualisiert am')),
-                ('created_by', models.CharField(blank=True, max_length=100, null=True, verbose_name='Erstellt von')),
-                ('updated_by', models.CharField(blank=True, max_length=100, null=True, verbose_name='Aktualisiert von')),
+                (
+                    "id",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    "page_key",
+                    models.CharField(
+                        choices=[
+                            ("destinataer_new", "Neuer Destinatär"),
+                            ("unterstuetzung_new", "Neue Unterstützung"),
+                            ("foerderung_new", "Neue Förderung"),
+                            ("paechter_new", "Neuer Pächter"),
+                            ("laenderei_new", "Neue Länderei"),
+                            ("verpachtung_new", "Neue Verpachtung"),
+                            ("person_new", "Neue Person"),
+                            ("konto_new", "Neues Konto"),
+                        ],
+                        max_length=50,
+                        unique=True,
+                        verbose_name="Seite",
+                    ),
+                ),
+                (
+                    "title",
+                    models.CharField(max_length=200, verbose_name="Titel der Hilfsbox"),
+                ),
+                (
+                    "content",
+                    models.TextField(
+                        help_text="Sie können Markdown verwenden: **fett**, *kursiv*, `code`, [Link](url), etc.",
+                        verbose_name="Inhalt (Markdown unterstützt)",
+                    ),
+                ),
+                ("is_active", models.BooleanField(default=True, verbose_name="Aktiv")),
+                (
+                    "created_at",
+                    models.DateTimeField(auto_now_add=True, verbose_name="Erstellt am"),
+                ),
+                (
+                    "updated_at",
+                    models.DateTimeField(auto_now=True, verbose_name="Aktualisiert am"),
+                ),
+                (
+                    "created_by",
+                    models.CharField(
+                        blank=True,
+                        max_length=100,
+                        null=True,
+                        verbose_name="Erstellt von",
+                    ),
+                ),
+                (
+                    "updated_by",
+                    models.CharField(
+                        blank=True,
+                        max_length=100,
+                        null=True,
+                        verbose_name="Aktualisiert von",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Hilfs-Infobox',
-                'verbose_name_plural': 'Hilfs-Infoboxen',
-                'ordering': ['page_key'],
+                "verbose_name": "Hilfs-Infobox",
+                "verbose_name_plural": "Hilfs-Infoboxen",
+                "ordering": ["page_key"],
             },
         ),
         migrations.AlterField(
-            model_name='appconfiguration',
-            name='category',
-            field=models.CharField(choices=[('paperless', 'Paperless Integration'), ('general', 'General Settings'), ('corporate', 'Corporate Identity'), ('notifications', 'Notifications'), ('system', 'System Settings')], default='general', max_length=50, verbose_name='Category'),
+            model_name="appconfiguration",
+            name="category",
+            field=models.CharField(
+                choices=[
+                    ("paperless", "Paperless Integration"),
+                    ("general", "General Settings"),
+                    ("corporate", "Corporate Identity"),
+                    ("notifications", "Notifications"),
+                    ("system", "System Settings"),
+                ],
+                default="general",
+                max_length=50,
+                verbose_name="Category",
+            ),
         ),
     ]

app/stiftung/migrations/0028_alter_helpbox_page_key.py

@@ -6,13 +6,34 @@ from django.db import migrations, models
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('stiftung', '0027_helpbox_alter_appconfiguration_category'),
+        ("stiftung", "0027_helpbox_alter_appconfiguration_category"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='helpbox',
-            name='page_key',
-            field=models.CharField(choices=[('destinataer_new', 'Neuer Destinatär'), ('unterstuetzung_new', 'Neue Unterstützung'), ('foerderung_new', 'Neue Förderung'), ('paechter_new', 'Neuer Pächter'), ('laenderei_new', 'Neue Länderei'), ('verpachtung_new', 'Neue Verpachtung'), ('land_abrechnung_new', 'Neue Landabrechnung'), ('person_new', 'Neue Person'), ('konto_new', 'Neues Konto'), ('verwaltungskosten_new', 'Neue Verwaltungskosten'), ('rentmeister_new', 'Neuer Rentmeister'), ('dokument_new', 'Neues Dokument'), ('user_new', 'Neuer Benutzer'), ('csv_import_new', 'CSV Import'), ('destinataer_notiz_new', 'Destinatär Notiz')], max_length=50, unique=True, verbose_name='Seite'),
+            model_name="helpbox",
+            name="page_key",
+            field=models.CharField(
+                choices=[
+                    ("destinataer_new", "Neuer Destinatär"),
+                    ("unterstuetzung_new", "Neue Unterstützung"),
+                    ("foerderung_new", "Neue Förderung"),
+                    ("paechter_new", "Neuer Pächter"),
+                    ("laenderei_new", "Neue Länderei"),
+                    ("verpachtung_new", "Neue Verpachtung"),
+                    ("land_abrechnung_new", "Neue Landabrechnung"),
+                    ("person_new", "Neue Person"),
+                    ("konto_new", "Neues Konto"),
+                    ("verwaltungskosten_new", "Neue Verwaltungskosten"),
+                    ("rentmeister_new", "Neuer Rentmeister"),
+                    ("dokument_new", "Neues Dokument"),
+                    ("user_new", "Neuer Benutzer"),
+                    ("csv_import_new", "CSV Import"),
+                    ("destinataer_notiz_new", "Destinatär Notiz"),
+                ],
+                max_length=50,
+                unique=True,
+                verbose_name="Seite",
+            ),
         ),
     ]

app/stiftung/serializers.py

@@ -1,11 +1,14 @@
 from rest_framework import serializers
-from .models import Person, Foerderung
+
+from .models import Foerderung, Person
+
 
 class PersonSerializer(serializers.ModelSerializer):
     class Meta:
         model = Person
         fields = "__all__"
 
+
 class FoerderungSerializer(serializers.ModelSerializer):
     class Meta:
         model = Foerderung

app/stiftung/templatetags/help_tags.py

@@ -1,28 +1,33 @@
 import markdown
 from django import template
 from django.utils.safestring import mark_safe
+
 from stiftung.models import HelpBox
 
 register = template.Library()
 
-@register.inclusion_tag('stiftung/help_box.html')
+
+@register.inclusion_tag("stiftung/help_box.html")
 def help_box(page_key, user=None):
     """Rendere eine Hilfs-Infobox für eine bestimmte Seite"""
     help_obj = HelpBox.get_help_for_page(page_key)
-    
+
     context = {
-        'help_obj': help_obj,
-        'page_key': page_key,
-        'can_edit': user and (user.username == 'root' or user.is_superuser) if user else False
+        "help_obj": help_obj,
+        "page_key": page_key,
+        "can_edit": (
+            user and (user.username == "root" or user.is_superuser) if user else False
+        ),
     }
-    
+
     if help_obj:
         # Konvertiere Markdown zu HTML
-        md = markdown.Markdown(extensions=['nl2br', 'fenced_code'])
-        context['content_html'] = mark_safe(md.convert(help_obj.content))
-    
+        md = markdown.Markdown(extensions=["nl2br", "fenced_code"])
+        context["content_html"] = mark_safe(md.convert(help_obj.content))
+
     return context
 
+
 @register.simple_tag
 def help_box_exists(page_key):
     """Prüfe, ob eine Hilfs-Infobox für eine Seite existiert"""

app/stiftung/templatetags/pdf_tags.py

@@ -1,6 +1,7 @@
 """
 PDF-specific template tags and filters
 """
+
 from django import template
 from django.utils.safestring import mark_safe
 
@@ -15,14 +16,14 @@ def lookup(obj, field_name):
     """
     if obj is None:
         return None
-        
+
     # Handle dict-like objects
-    if hasattr(obj, '__getitem__') and not isinstance(obj, str):
+    if hasattr(obj, "__getitem__") and not isinstance(obj, str):
         try:
             return obj[field_name]
         except (KeyError, TypeError):
             pass
-    
+
     # Handle objects with attributes
     if hasattr(obj, field_name):
         attr = getattr(obj, field_name)
@@ -34,17 +35,17 @@ def lookup(obj, field_name):
                 # Method requires arguments, return as is
                 return attr
         return attr
-    
+
     # Try to handle nested field access (e.g., "person.name")
-    if '.' in field_name:
-        parts = field_name.split('.')
+    if "." in field_name:
+        parts = field_name.split(".")
         current = obj
         for part in parts:
             if current is None:
                 return None
             current = lookup(current, part)
         return current
-    
+
     return None
 
 
@@ -55,14 +56,14 @@ def get_display_value(obj, field_name):
     Usage: {{ object|get_display_value:"field_name" }}
     """
     value = lookup(obj, field_name)
-    
+
     # Try to get display value for choice fields
-    display_method = f'get_{field_name}_display'
+    display_method = f"get_{field_name}_display"
     if hasattr(obj, display_method):
         display_value = getattr(obj, display_method)()
         if display_value:
             return display_value
-    
+
     return value
 
 
@@ -73,9 +74,9 @@ def format_currency(value):
     Usage: {{ value|format_currency }}
     """
     if value is None:
-        return '-'
+        return "-"
     try:
-        return f"€{float(value):,.2f}".replace(',', ' ')
+        return f"€{float(value):,.2f}".replace(",", " ")
     except (ValueError, TypeError):
         return str(value)
 
@@ -87,11 +88,11 @@ def format_status_badge(status):
     Usage: {{ status|format_status_badge }}
     """
     if not status:
-        return '-'
-        
+        return "-"
+
     status_lower = str(status).lower()
-    css_class = f'status-{status_lower}'
-    
+    css_class = f"status-{status_lower}"
+
     return mark_safe(f'<span class="status-badge {css_class}">{status}</span>')
 
 
@@ -102,13 +103,13 @@ def truncate_field(value, max_length=50):
     Usage: {{ value|truncate_field:30 }}
     """
     if value is None:
-        return '-'
-    
+        return "-"
+
     str_value = str(value)
     if len(str_value) <= max_length:
         return str_value
-    
-    return str_value[:max_length-3] + '...'
+
+    return str_value[: max_length - 3] + "..."
 
 
 @register.simple_tag
@@ -117,29 +118,29 @@ def get_field_value(obj, field_config):
     Get formatted field value based on field configuration
     Usage: {% get_field_value object field_config %}
     """
-    field_name = field_config.get('field_name')
-    field_type = field_config.get('field_type', 'text')
-    
+    field_name = field_config.get("field_name")
+    field_type = field_config.get("field_type", "text")
+
     value = lookup(obj, field_name)
-    
+
     if value is None:
-        return '-'
-    
-    if field_type == 'currency':
+        return "-"
+
+    if field_type == "currency":
         return format_currency(value)
-    elif field_type == 'date':
+    elif field_type == "date":
         try:
-            return value.strftime('%d.%m.%Y')
+            return value.strftime("%d.%m.%Y")
         except (AttributeError, ValueError):
             return str(value)
-    elif field_type == 'datetime':
+    elif field_type == "datetime":
         try:
-            return value.strftime('%d.%m.%Y %H:%M')
+            return value.strftime("%d.%m.%Y %H:%M")
         except (AttributeError, ValueError):
             return str(value)
-    elif field_type == 'status':
+    elif field_type == "status":
         return format_status_badge(value)
-    elif field_type == 'boolean':
-        return 'Ja' if value else 'Nein'
+    elif field_type == "boolean":
+        return "Ja" if value else "Nein"
     else:
         return truncate_field(value)

app/stiftung/urls.py

@@ -1,160 +1,337 @@
 from django.urls import path
+
 from . import views
 
-app_name = 'stiftung'
+app_name = "stiftung"
 
 urlpatterns = [
     # Dashboard (Startseite)
-    path('', views.dashboard, name='dashboard'),
-    
+    path("", views.dashboard, name="dashboard"),
     # Home (für Kompatibilität mit bestehenden Templates)
-    path('home/', views.home, name='home'),
-    
+    path("home/", views.home, name="home"),
     # CSV Import URLs
-    path('import/', views.csv_import_list, name='csv_import_list'),
-    path('import/neu/', views.csv_import_create, name='csv_import_create'),
-    
+    path("import/", views.csv_import_list, name="csv_import_list"),
+    path("import/neu/", views.csv_import_create, name="csv_import_create"),
     # Destinatär URLs (Förderungsempfänger)
-    path('destinataere/', views.destinataer_list, name='destinataer_list'),
-    path('destinataere/<uuid:pk>/', views.destinataer_detail, name='destinataer_detail'),
-    path('destinataere/neu/', views.destinataer_create, name='destinataer_create'),
-    path('destinataere/<uuid:pk>/bearbeiten/', views.destinataer_update, name='destinataer_update'),
-    path('destinataere/<uuid:pk>/loeschen/', views.destinataer_delete, name='destinataer_delete'),
-    path('destinataere/<uuid:pk>/notiz/', views.destinataer_notiz_create, name='destinataer_notiz_create'),
-    path('destinataere/<uuid:pk>/export/', views.destinataer_export, name='destinataer_export'),
-    
+    path("destinataere/", views.destinataer_list, name="destinataer_list"),
+    path(
+        "destinataere/<uuid:pk>/", views.destinataer_detail, name="destinataer_detail"
+    ),
+    path("destinataere/neu/", views.destinataer_create, name="destinataer_create"),
+    path(
+        "destinataere/<uuid:pk>/bearbeiten/",
+        views.destinataer_update,
+        name="destinataer_update",
+    ),
+    path(
+        "destinataere/<uuid:pk>/loeschen/",
+        views.destinataer_delete,
+        name="destinataer_delete",
+    ),
+    path(
+        "destinataere/<uuid:pk>/notiz/",
+        views.destinataer_notiz_create,
+        name="destinataer_notiz_create",
+    ),
+    path(
+        "destinataere/<uuid:pk>/export/",
+        views.destinataer_export,
+        name="destinataer_export",
+    ),
     # Paechter URLs (Landpächter)
-    path('paechter/', views.paechter_list, name='paechter_list'),
-    path('paechter/<uuid:pk>/', views.paechter_detail, name='paechter_detail'),
-    path('paechter/neu/', views.paechter_create, name='paechter_create'),
-    path('paechter/<uuid:pk>/bearbeiten/', views.paechter_update, name='paechter_update'),
-    path('paechter/<uuid:pk>/loeschen/', views.paechter_delete, name='paechter_delete'),
-    path('paechter/<uuid:pk>/export/', views.paechter_export, name='paechter_export'),
-    
+    path("paechter/", views.paechter_list, name="paechter_list"),
+    path("paechter/<uuid:pk>/", views.paechter_detail, name="paechter_detail"),
+    path("paechter/neu/", views.paechter_create, name="paechter_create"),
+    path(
+        "paechter/<uuid:pk>/bearbeiten/", views.paechter_update, name="paechter_update"
+    ),
+    path("paechter/<uuid:pk>/loeschen/", views.paechter_delete, name="paechter_delete"),
+    path("paechter/<uuid:pk>/export/", views.paechter_export, name="paechter_export"),
     # Legacy Person URLs removed (Destinatäre ersetzen Personen)
-    
     # Land URLs
-    path('laendereien/', views.land_list, name='land_list'),
-    path('laendereien/<uuid:pk>/', views.land_detail, name='land_detail'),
-    path('laendereien/neu/', views.land_create, name='land_create'),
-    path('laendereien/<uuid:pk>/bearbeiten/', views.land_update, name='land_update'),
-    path('laendereien/<uuid:pk>/loeschen/', views.land_delete, name='land_delete'),
-    path('laendereien/<uuid:pk>/export/', views.land_export, name='land_export'),
-    
+    path("laendereien/", views.land_list, name="land_list"),
+    path("laendereien/<uuid:pk>/", views.land_detail, name="land_detail"),
+    path("laendereien/neu/", views.land_create, name="land_create"),
+    path("laendereien/<uuid:pk>/bearbeiten/", views.land_update, name="land_update"),
+    path("laendereien/<uuid:pk>/loeschen/", views.land_delete, name="land_delete"),
+    path("laendereien/<uuid:pk>/export/", views.land_export, name="land_export"),
     # Landabrechnung URLs
-    path('landabrechnungen/', views.land_abrechnung_list, name='land_abrechnung_list'),
-    path('landabrechnungen/<uuid:pk>/', views.land_abrechnung_detail, name='land_abrechnung_detail'),
-    path('landabrechnungen/neu/', views.land_abrechnung_create, name='land_abrechnung_create'),
-    path('landabrechnungen/<uuid:pk>/bearbeiten/', views.land_abrechnung_update, name='land_abrechnung_update'),
-    path('landabrechnungen/<uuid:pk>/loeschen/', views.land_abrechnung_delete, name='land_abrechnung_delete'),
-    
+    path("landabrechnungen/", views.land_abrechnung_list, name="land_abrechnung_list"),
+    path(
+        "landabrechnungen/<uuid:pk>/",
+        views.land_abrechnung_detail,
+        name="land_abrechnung_detail",
+    ),
+    path(
+        "landabrechnungen/neu/",
+        views.land_abrechnung_create,
+        name="land_abrechnung_create",
+    ),
+    path(
+        "landabrechnungen/<uuid:pk>/bearbeiten/",
+        views.land_abrechnung_update,
+        name="land_abrechnung_update",
+    ),
+    path(
+        "landabrechnungen/<uuid:pk>/loeschen/",
+        views.land_abrechnung_delete,
+        name="land_abrechnung_delete",
+    ),
     # Vereinheitlichte Verpachtung URLs (direkt im Land)
-    path('laendereien/<uuid:land_pk>/verpachtung/neu/', views.land_verpachtung_create, name='land_verpachtung_create'),
-    path('laendereien/<uuid:land_pk>/verpachtung/bearbeiten/', views.land_verpachtung_edit, name='land_verpachtung_edit'),
-    path('laendereien/<uuid:land_pk>/verpachtung/beenden/', views.land_verpachtung_end, name='land_verpachtung_end'),
-    
+    path(
+        "laendereien/<uuid:land_pk>/verpachtung/neu/",
+        views.land_verpachtung_create,
+        name="land_verpachtung_create",
+    ),
+    path(
+        "laendereien/<uuid:land_pk>/verpachtung/bearbeiten/",
+        views.land_verpachtung_edit,
+        name="land_verpachtung_edit",
+    ),
+    path(
+        "laendereien/<uuid:land_pk>/verpachtung/beenden/",
+        views.land_verpachtung_end,
+        name="land_verpachtung_end",
+    ),
     # LandVerpachtung URLs (neue Verpachtungen)
-    path('laendereien/verpachtungen/<uuid:pk>/', views.land_verpachtung_detail, name='land_verpachtung_detail'),
-    path('laendereien/verpachtungen/<uuid:pk>/bearbeiten/', views.land_verpachtung_update, name='land_verpachtung_update'),
-    path('laendereien/verpachtungen/<uuid:pk>/beenden/', views.land_verpachtung_end_direct, name='land_verpachtung_end_direct'),
-    
+    path(
+        "laendereien/verpachtungen/<uuid:pk>/",
+        views.land_verpachtung_detail,
+        name="land_verpachtung_detail",
+    ),
+    path(
+        "laendereien/verpachtungen/<uuid:pk>/bearbeiten/",
+        views.land_verpachtung_update,
+        name="land_verpachtung_update",
+    ),
+    path(
+        "laendereien/verpachtungen/<uuid:pk>/beenden/",
+        views.land_verpachtung_end_direct,
+        name="land_verpachtung_end_direct",
+    ),
     # Förderung URLs
-    path('foerderungen/', views.foerderung_list, name='foerderung_list'),
-    path('foerderungen/<uuid:pk>/', views.foerderung_detail, name='foerderung_detail'),
-    path('foerderungen/neu/', views.foerderung_create, name='foerderung_create'),
-    path('foerderungen/<uuid:pk>/bearbeiten/', views.foerderung_update, name='foerderung_update'),
-    path('foerderungen/<uuid:pk>/loeschen/', views.foerderung_delete, name='foerderung_delete'),
-    
+    path("foerderungen/", views.foerderung_list, name="foerderung_list"),
+    path("foerderungen/<uuid:pk>/", views.foerderung_detail, name="foerderung_detail"),
+    path("foerderungen/neu/", views.foerderung_create, name="foerderung_create"),
+    path(
+        "foerderungen/<uuid:pk>/bearbeiten/",
+        views.foerderung_update,
+        name="foerderung_update",
+    ),
+    path(
+        "foerderungen/<uuid:pk>/loeschen/",
+        views.foerderung_delete,
+        name="foerderung_delete",
+    ),
     # Dokumente URLs
-    path('dokumente/', views.dokument_list, name='dokument_list'),
-    path('dokumente/<uuid:pk>/', views.dokument_detail, name='dokument_detail'),
-    path('dokumente/neu/', views.dokument_create, name='dokument_create'),
-    path('dokumente/<uuid:pk>/bearbeiten/', views.dokument_update, name='dokument_update'),
-    path('dokumente/<uuid:pk>/loeschen/', views.dokument_delete, name='dokument_delete'),
-    
+    path("dokumente/", views.dokument_list, name="dokument_list"),
+    path("dokumente/<uuid:pk>/", views.dokument_detail, name="dokument_detail"),
+    path("dokumente/neu/", views.dokument_create, name="dokument_create"),
+    path(
+        "dokumente/<uuid:pk>/bearbeiten/", views.dokument_update, name="dokument_update"
+    ),
+    path(
+        "dokumente/<uuid:pk>/loeschen/", views.dokument_delete, name="dokument_delete"
+    ),
     # Dokumentenverwaltung (Paperless-Integration, Verwaltung & Verknüpfung)
-    path('dokumente/verwaltung/', views.dokument_management, name='dokument_management'),
-    
+    path(
+        "dokumente/verwaltung/", views.dokument_management, name="dokument_management"
+    ),
     # Legacy document URLs removed - use dokument_management instead
-    
     # Dokument-Verknüpfung
-    path('api/link-document/search/', views.link_document_search, name='link_document_search'),
-    path('api/link-document/create/', views.link_document_create, name='link_document_create'),
-    path('api/link-document/list/', views.link_document_list, name='link_document_list'),
-    path('api/link-document/update/', views.link_document_update, name='link_document_update'),
-    path('api/link-document/delete/<uuid:link_id>/', views.link_document_delete, name='link_document_delete'),
+    path(
+        "api/link-document/search/",
+        views.link_document_search,
+        name="link_document_search",
+    ),
+    path(
+        "api/link-document/create/",
+        views.link_document_create,
+        name="link_document_create",
+    ),
+    path(
+        "api/link-document/list/", views.link_document_list, name="link_document_list"
+    ),
+    path(
+        "api/link-document/update/",
+        views.link_document_update,
+        name="link_document_update",
+    ),
+    path(
+        "api/link-document/delete/<uuid:link_id>/",
+        views.link_document_delete,
+        name="link_document_delete",
+    ),
     # Legacy dokument_verknuepfung URL removed - use dokument_management instead
-    
     # Jahresbericht URLs
-    path('berichte/', views.bericht_list, name='bericht_list'),
-    path('berichte/jahresbericht/', views.jahresbericht_generate_redirect, name='jahresbericht_generate_redirect'),
-    path('berichte/jahresbericht/<int:jahr>/', views.jahresbericht_generate, name='jahresbericht_generate'),
-    path('berichte/jahresbericht/<int:jahr>/pdf/', views.jahresbericht_pdf, name='jahresbericht_pdf'),
-    
+    path("berichte/", views.bericht_list, name="bericht_list"),
+    path(
+        "berichte/jahresbericht/",
+        views.jahresbericht_generate_redirect,
+        name="jahresbericht_generate_redirect",
+    ),
+    path(
+        "berichte/jahresbericht/<int:jahr>/",
+        views.jahresbericht_generate,
+        name="jahresbericht_generate",
+    ),
+    path(
+        "berichte/jahresbericht/<int:jahr>/pdf/",
+        views.jahresbericht_pdf,
+        name="jahresbericht_pdf",
+    ),
     # Geschäftsführung URLs
-    path('geschaeftsfuehrung/', views.geschaeftsfuehrung, name='geschaeftsfuehrung'),
-    path('geschaeftsfuehrung/konten/', views.konto_list, name='konto_list'),
-    path('geschaeftsfuehrung/konten/neu/', views.konto_create, name='konto_create'),
-    path('geschaeftsfuehrung/konten/<uuid:pk>/', views.konto_detail, name='konto_detail'),
-    path('geschaeftsfuehrung/konten/<uuid:pk>/bearbeiten/', views.konto_edit, name='konto_edit'),
-    path('geschaeftsfuehrung/verwaltungskosten/', views.verwaltungskosten_list, name='verwaltungskosten_list'),
-    path('geschaeftsfuehrung/verwaltungskosten/neu/', views.verwaltungskosten_create, name='verwaltungskosten_create'),
-    path('geschaeftsfuehrung/verwaltungskosten/<uuid:pk>/bearbeiten/', views.verwaltungskosten_edit, name='verwaltungskosten_edit'),
-    path('verwaltungskosten/mark-paid/', views.mark_expense_paid, name='mark_expense_paid'),
-    path('geschaeftsfuehrung/rentmeister/', views.rentmeister_list, name='rentmeister_list'),
-    path('geschaeftsfuehrung/rentmeister/neu/', views.rentmeister_create, name='rentmeister_create'),
-    path('geschaeftsfuehrung/rentmeister/<uuid:pk>/', views.rentmeister_detail, name='rentmeister_detail'),
-    path('geschaeftsfuehrung/rentmeister/<uuid:pk>/bearbeiten/', views.rentmeister_edit, name='rentmeister_edit'),
-    path('geschaeftsfuehrung/rentmeister/<uuid:pk>/ausgaben/', views.rentmeister_ausgaben, name='rentmeister_ausgaben'),
-    
+    path("geschaeftsfuehrung/", views.geschaeftsfuehrung, name="geschaeftsfuehrung"),
+    path("geschaeftsfuehrung/konten/", views.konto_list, name="konto_list"),
+    path("geschaeftsfuehrung/konten/neu/", views.konto_create, name="konto_create"),
+    path(
+        "geschaeftsfuehrung/konten/<uuid:pk>/", views.konto_detail, name="konto_detail"
+    ),
+    path(
+        "geschaeftsfuehrung/konten/<uuid:pk>/bearbeiten/",
+        views.konto_edit,
+        name="konto_edit",
+    ),
+    path(
+        "geschaeftsfuehrung/verwaltungskosten/",
+        views.verwaltungskosten_list,
+        name="verwaltungskosten_list",
+    ),
+    path(
+        "geschaeftsfuehrung/verwaltungskosten/neu/",
+        views.verwaltungskosten_create,
+        name="verwaltungskosten_create",
+    ),
+    path(
+        "geschaeftsfuehrung/verwaltungskosten/<uuid:pk>/bearbeiten/",
+        views.verwaltungskosten_edit,
+        name="verwaltungskosten_edit",
+    ),
+    path(
+        "verwaltungskosten/mark-paid/",
+        views.mark_expense_paid,
+        name="mark_expense_paid",
+    ),
+    path(
+        "geschaeftsfuehrung/rentmeister/",
+        views.rentmeister_list,
+        name="rentmeister_list",
+    ),
+    path(
+        "geschaeftsfuehrung/rentmeister/neu/",
+        views.rentmeister_create,
+        name="rentmeister_create",
+    ),
+    path(
+        "geschaeftsfuehrung/rentmeister/<uuid:pk>/",
+        views.rentmeister_detail,
+        name="rentmeister_detail",
+    ),
+    path(
+        "geschaeftsfuehrung/rentmeister/<uuid:pk>/bearbeiten/",
+        views.rentmeister_edit,
+        name="rentmeister_edit",
+    ),
+    path(
+        "geschaeftsfuehrung/rentmeister/<uuid:pk>/ausgaben/",
+        views.rentmeister_ausgaben,
+        name="rentmeister_ausgaben",
+    ),
     # Administration URLs
-    path('administration/', views.administration, name='administration'),
-    path('administration/settings/', views.app_settings, name='app_settings'),
-    path('administration/audit-log/', views.audit_log_list, name='audit_log_list'),
-    path('administration/backup/', views.backup_management, name='backup_management'),
-    path('administration/backup/<uuid:backup_id>/download/', views.backup_download, name='backup_download'),
-    path('administration/backup/restore/', views.backup_restore, name='backup_restore'),
-    path('administration/unterstuetzungen/', views.unterstuetzungen_list, name='unterstuetzungen_list'),
-    path('administration/unterstuetzungen/<uuid:pk>/bearbeiten/', views.unterstuetzung_edit, name='unterstuetzung_edit'),
-    path('administration/unterstuetzungen/<uuid:pk>/loeschen/', views.unterstuetzung_delete, name='unterstuetzung_delete'),
-    
+    path("administration/", views.administration, name="administration"),
+    path("administration/settings/", views.app_settings, name="app_settings"),
+    path("administration/audit-log/", views.audit_log_list, name="audit_log_list"),
+    path("administration/backup/", views.backup_management, name="backup_management"),
+    path(
+        "administration/backup/<uuid:backup_id>/download/",
+        views.backup_download,
+        name="backup_download",
+    ),
+    path("administration/backup/restore/", views.backup_restore, name="backup_restore"),
+    path(
+        "administration/unterstuetzungen/",
+        views.unterstuetzungen_list,
+        name="unterstuetzungen_list",
+    ),
+    path(
+        "administration/unterstuetzungen/<uuid:pk>/bearbeiten/",
+        views.unterstuetzung_edit,
+        name="unterstuetzung_edit",
+    ),
+    path(
+        "administration/unterstuetzungen/<uuid:pk>/loeschen/",
+        views.unterstuetzung_delete,
+        name="unterstuetzung_delete",
+    ),
     # Unterstützungen URLs (direct access from Destinataer)
-    path('unterstuetzungen/', views.unterstuetzungen_all, name='unterstuetzungen_all'),
-    path('unterstuetzungen/neu/', views.unterstuetzung_create, name='unterstuetzung_create'),
-    path('unterstuetzungen/<uuid:pk>/', views.unterstuetzung_detail, name='unterstuetzung_detail'),
-    path('unterstuetzungen/<uuid:pk>/bezahlt/', views.unterstuetzung_mark_paid, name='unterstuetzung_mark_paid'),
-    path('unterstuetzungen/wiederkehrend/', views.wiederkehrende_unterstuetzungen, name='wiederkehrende_unterstuetzungen'),
-    
+    path("unterstuetzungen/", views.unterstuetzungen_all, name="unterstuetzungen_all"),
+    path(
+        "unterstuetzungen/neu/",
+        views.unterstuetzung_create,
+        name="unterstuetzung_create",
+    ),
+    path(
+        "unterstuetzungen/<uuid:pk>/",
+        views.unterstuetzung_detail,
+        name="unterstuetzung_detail",
+    ),
+    path(
+        "unterstuetzungen/<uuid:pk>/bezahlt/",
+        views.unterstuetzung_mark_paid,
+        name="unterstuetzung_mark_paid",
+    ),
+    path(
+        "unterstuetzungen/wiederkehrend/",
+        views.wiederkehrende_unterstuetzungen,
+        name="wiederkehrende_unterstuetzungen",
+    ),
     # AJAX endpoints
-    path('api/destinataer/<uuid:destinataer_id>/info/', views.get_destinataer_info, name='get_destinataer_info'),
-    
+    path(
+        "api/destinataer/<uuid:destinataer_id>/info/",
+        views.get_destinataer_info,
+        name="get_destinataer_info",
+    ),
     # Authentication URLs
-    path('login/', views.user_login, name='login'),
-    path('logout/', views.user_logout, name='logout'),
-    
+    path("login/", views.user_login, name="login"),
+    path("logout/", views.user_logout, name="logout"),
     # User Management URLs
-    path('administration/users/', views.user_management, name='user_management'),
-    path('administration/users/create/', views.user_create, name='user_create'),
-    path('administration/users/<int:pk>/', views.user_detail, name='user_detail'),
-    path('administration/users/<int:pk>/edit/', views.user_edit, name='user_edit'),
-    path('administration/users/<int:pk>/password/', views.user_change_password, name='user_change_password'),
-    path('administration/users/<int:pk>/permissions/', views.user_permissions, name='user_permissions'),
-    path('administration/users/<int:pk>/delete/', views.user_delete, name='user_delete'),
-    
+    path("administration/users/", views.user_management, name="user_management"),
+    path("administration/users/create/", views.user_create, name="user_create"),
+    path("administration/users/<int:pk>/", views.user_detail, name="user_detail"),
+    path("administration/users/<int:pk>/edit/", views.user_edit, name="user_edit"),
+    path(
+        "administration/users/<int:pk>/password/",
+        views.user_change_password,
+        name="user_change_password",
+    ),
+    path(
+        "administration/users/<int:pk>/permissions/",
+        views.user_permissions,
+        name="user_permissions",
+    ),
+    path(
+        "administration/users/<int:pk>/delete/", views.user_delete, name="user_delete"
+    ),
     # Hilfsbox URLs
-    path('help-box/edit/', views.edit_help_box, name='edit_help_box'),
-    path('help-box/admin/', views.edit_help_box, name='help_boxes_admin'),
-    
+    path("help-box/edit/", views.edit_help_box, name="edit_help_box"),
+    path("help-box/admin/", views.edit_help_box, name="help_boxes_admin"),
     # API URLs
-    path('api/land-stats/', views.land_stats_api, name='land_stats_api'),
-    path('api/health/', views.health_check, name='health_check'),
-    path('api/paperless/ping/', views.paperless_ping, name='paperless_ping'),
-    path('api/paperless/documents/', views.paperless_documents, name='paperless_documents'),
-    path('api/paperless/tags/', views.paperless_tags_only, name='paperless_tags_only'),
-    path('api/paperless/debug/', views.paperless_debug, name='paperless_debug'),
-    path('api/paperless/documents/<int:doc_id>/', views.paperless_document_redirect, name='paperless_document_redirect'),
-
+    path("api/land-stats/", views.land_stats_api, name="land_stats_api"),
+    path("api/health/", views.health_check, name="health_check"),
+    path("api/paperless/ping/", views.paperless_ping, name="paperless_ping"),
+    path(
+        "api/paperless/documents/",
+        views.paperless_documents,
+        name="paperless_documents",
+    ),
+    path("api/paperless/tags/", views.paperless_tags_only, name="paperless_tags_only"),
+    path("api/paperless/debug/", views.paperless_debug, name="paperless_debug"),
+    path(
+        "api/paperless/documents/<int:doc_id>/",
+        views.paperless_document_redirect,
+        name="paperless_document_redirect",
+    ),
     # Gramps integration (probe)
-    path('api/gramps/search/', views.gramps_search_api, name='gramps_search_api'),
-    path('api/gramps/debug/', views.gramps_debug_api, name='gramps_debug_api'),
+    path("api/gramps/search/", views.gramps_search_api, name="gramps_search_api"),
+    path("api/gramps/debug/", views.gramps_debug_api, name="gramps_debug_api"),
 ]

app/stiftung/utils/config.py

@@ -1,61 +1,65 @@
 """
 Configuration utilities for the Stiftung application
 """
+
 from django.conf import settings
+
 from stiftung.models import AppConfiguration
 
 
 def get_config(key, default=None, fallback_to_settings=True):
     """
     Get a configuration value from the database or fall back to Django settings
-    
+
     Args:
         key: The configuration key
         default: Default value if not found
         fallback_to_settings: If True, try to get from Django settings using the key in uppercase
-    
+
     Returns:
         The configuration value
     """
     # Try to get from AppConfiguration first
     value = AppConfiguration.get_setting(key, None)
-    
+
     # Fall back to Django settings if value is None or empty string
     if not value and fallback_to_settings:
         settings_key = key.upper()
         return getattr(settings, settings_key, default)
-    
+
     return value if value is not None else default
 
 
 def get_paperless_config():
     """
     Get all Paperless-related configuration values
-    
+
     Returns:
         dict: Dictionary containing all Paperless configuration
     """
     return {
-        'api_url': get_config('paperless_api_url', 'http://192.168.178.167:30070'),
-        'api_token': get_config('paperless_api_token', ''),
-        'destinataere_tag': get_config('paperless_destinataere_tag', 'Stiftung_Destinatäre'),
-        'destinataere_tag_id': get_config('paperless_destinataere_tag_id', '210'),
-        'land_tag': get_config('paperless_land_tag', 'Stiftung_Land_und_Pächter'),
-        'land_tag_id': get_config('paperless_land_tag_id', '204'),
-        'admin_tag': get_config('paperless_admin_tag', 'Stiftung_Administration'),
-        'admin_tag_id': get_config('paperless_admin_tag_id', '216'),
+        "api_url": get_config("paperless_api_url", "http://192.168.178.167:30070"),
+        "api_token": get_config("paperless_api_token", ""),
+        "destinataere_tag": get_config(
+            "paperless_destinataere_tag", "Stiftung_Destinatäre"
+        ),
+        "destinataere_tag_id": get_config("paperless_destinataere_tag_id", "210"),
+        "land_tag": get_config("paperless_land_tag", "Stiftung_Land_und_Pächter"),
+        "land_tag_id": get_config("paperless_land_tag_id", "204"),
+        "admin_tag": get_config("paperless_admin_tag", "Stiftung_Administration"),
+        "admin_tag_id": get_config("paperless_admin_tag_id", "216"),
     }
 
 
 def set_config(key, value, **kwargs):
     """
     Set a configuration value
-    
+
     Args:
         key: The configuration key
         value: The value to set
         **kwargs: Additional parameters for AppConfiguration.set_setting
-    
+
     Returns:
         AppConfiguration: The configuration object
     """
@@ -65,9 +69,9 @@ def set_config(key, value, **kwargs):
 def is_paperless_configured():
     """
     Check if Paperless is properly configured
-    
+
     Returns:
         bool: True if API URL and token are configured
     """
     config = get_paperless_config()
-    return bool(config['api_url'] and config['api_token'])
+    return bool(config["api_url"] and config["api_token"])

app/stiftung/utils/pdf_generator.py

@@ -1,18 +1,21 @@
 """
 PDF generation utilities with corporate identity support
 """
-import os
+
 import base64
+import os
 from io import BytesIO
+
 from django.conf import settings
-from django.template.loader import render_to_string
 from django.http import HttpResponse
+from django.template.loader import render_to_string
 from django.utils import timezone
 
 # Try to import WeasyPrint, fall back gracefully if not available
 try:
-    from weasyprint import HTML, CSS
+    from weasyprint import CSS, HTML
     from weasyprint.text.fonts import FontConfiguration
+
     WEASYPRINT_AVAILABLE = True
     IMPORT_ERROR = None
 except ImportError as e:
@@ -35,72 +38,84 @@ from stiftung.models import AppConfiguration
 
 class PDFGenerator:
     """Corporate identity PDF generator"""
-    
+
     def __init__(self):
         if WEASYPRINT_AVAILABLE:
             self.font_config = FontConfiguration()
         else:
             self.font_config = None
-    
+
     def is_available(self):
         """Check if PDF generation is available"""
         return WEASYPRINT_AVAILABLE
-        
+
     def get_corporate_settings(self):
         """Get corporate identity settings from configuration"""
         return {
-            'stiftung_name': AppConfiguration.get_setting('corporate_stiftung_name', 'Stiftung'),
-            'logo_path': AppConfiguration.get_setting('corporate_logo_path', ''),
-            'primary_color': AppConfiguration.get_setting('corporate_primary_color', '#2c3e50'),
-            'secondary_color': AppConfiguration.get_setting('corporate_secondary_color', '#3498db'),
-            'address_line1': AppConfiguration.get_setting('corporate_address_line1', ''),
-            'address_line2': AppConfiguration.get_setting('corporate_address_line2', ''),
-            'phone': AppConfiguration.get_setting('corporate_phone', ''),
-            'email': AppConfiguration.get_setting('corporate_email', ''),
-            'website': AppConfiguration.get_setting('corporate_website', ''),
-            'footer_text': AppConfiguration.get_setting('corporate_footer_text', 'Dieser Bericht wurde automatisch generiert.'),
+            "stiftung_name": AppConfiguration.get_setting(
+                "corporate_stiftung_name", "Stiftung"
+            ),
+            "logo_path": AppConfiguration.get_setting("corporate_logo_path", ""),
+            "primary_color": AppConfiguration.get_setting(
+                "corporate_primary_color", "#2c3e50"
+            ),
+            "secondary_color": AppConfiguration.get_setting(
+                "corporate_secondary_color", "#3498db"
+            ),
+            "address_line1": AppConfiguration.get_setting(
+                "corporate_address_line1", ""
+            ),
+            "address_line2": AppConfiguration.get_setting(
+                "corporate_address_line2", ""
+            ),
+            "phone": AppConfiguration.get_setting("corporate_phone", ""),
+            "email": AppConfiguration.get_setting("corporate_email", ""),
+            "website": AppConfiguration.get_setting("corporate_website", ""),
+            "footer_text": AppConfiguration.get_setting(
+                "corporate_footer_text", "Dieser Bericht wurde automatisch generiert."
+            ),
         }
-    
+
     def get_logo_base64(self, logo_path):
         """Convert logo to base64 for embedding in PDF"""
         if not logo_path:
             return None
-            
+
         # Try different possible paths
         possible_paths = [
             logo_path,
             os.path.join(settings.MEDIA_ROOT, logo_path),
-            os.path.join(settings.STATIC_ROOT or '', logo_path),
-            os.path.join(settings.BASE_DIR, 'static', logo_path),
+            os.path.join(settings.STATIC_ROOT or "", logo_path),
+            os.path.join(settings.BASE_DIR, "static", logo_path),
         ]
-        
+
         for path in possible_paths:
             if os.path.exists(path):
                 try:
-                    with open(path, 'rb') as img_file:
-                        img_data = base64.b64encode(img_file.read()).decode('utf-8')
+                    with open(path, "rb") as img_file:
+                        img_data = base64.b64encode(img_file.read()).decode("utf-8")
                         # Determine MIME type
                         ext = os.path.splitext(path)[1].lower()
-                        if ext in ['.jpg', '.jpeg']:
-                            mime_type = 'image/jpeg'
-                        elif ext == '.png':
-                            mime_type = 'image/png'
-                        elif ext == '.svg':
-                            mime_type = 'image/svg+xml'
+                        if ext in [".jpg", ".jpeg"]:
+                            mime_type = "image/jpeg"
+                        elif ext == ".png":
+                            mime_type = "image/png"
+                        elif ext == ".svg":
+                            mime_type = "image/svg+xml"
                         else:
-                            mime_type = 'image/png'  # default
-                        
+                            mime_type = "image/png"  # default
+
                         return f"data:{mime_type};base64,{img_data}"
                 except Exception:
                     continue
-        
+
         return None
-    
+
     def get_base_css(self, corporate_settings):
         """Generate base CSS for corporate identity"""
-        primary_color = corporate_settings.get('primary_color', '#2c3e50')
-        secondary_color = corporate_settings.get('secondary_color', '#3498db')
-        
+        primary_color = corporate_settings.get("primary_color", "#2c3e50")
+        secondary_color = corporate_settings.get("secondary_color", "#3498db")
+
         return f"""
         @page {{
             size: A4;
@@ -291,7 +306,7 @@ class PDFGenerator:
             page-break-before: always;
         }}
         """
-    
+
     def generate_pdf_response(self, html_content, filename, css_content=None):
         """Generate PDF response from HTML content"""
         if not WEASYPRINT_AVAILABLE:
@@ -320,27 +335,30 @@ class PDFGenerator:
             </body>
             </html>
             """
-            response = HttpResponse(error_html, content_type='text/html')
-            response['Content-Disposition'] = f'inline; filename="{filename.replace(".pdf", "_preview.html")}"'
+            response = HttpResponse(error_html, content_type="text/html")
+            response["Content-Disposition"] = (
+                f'inline; filename="{filename.replace(".pdf", "_preview.html")}"'
+            )
             return response
-        
+
         try:
             # Create CSS string
             if css_content:
                 css = CSS(string=css_content, font_config=self.font_config)
             else:
                 css = None
-            
+
             # Generate PDF
             html_doc = HTML(string=html_content)
-            pdf_bytes = html_doc.write_pdf(stylesheets=[css] if css else None,
-                                         font_config=self.font_config)
-            
+            pdf_bytes = html_doc.write_pdf(
+                stylesheets=[css] if css else None, font_config=self.font_config
+            )
+
             # Create response
-            response = HttpResponse(pdf_bytes, content_type='application/pdf')
-            response['Content-Disposition'] = f'attachment; filename="{filename}"'
+            response = HttpResponse(pdf_bytes, content_type="application/pdf")
+            response["Content-Disposition"] = f'attachment; filename="{filename}"'
             return response
-            
+
         except Exception as e:
             # Fallback: return error message as HTML
             error_html = f"""
@@ -368,15 +386,19 @@ class PDFGenerator:
             </body>
             </html>
             """
-            
-            response = HttpResponse(error_html, content_type='text/html')
-            response['Content-Disposition'] = f'inline; filename="error_{filename.replace(".pdf", ".html")}"'
+
+            response = HttpResponse(error_html, content_type="text/html")
+            response["Content-Disposition"] = (
+                f'inline; filename="error_{filename.replace(".pdf", ".html")}"'
+            )
             return response
-    
-    def export_data_list_pdf(self, data, fields_config, title, filename_prefix, request_user=None):
+
+    def export_data_list_pdf(
+        self, data, fields_config, title, filename_prefix, request_user=None
+    ):
         """
         Export a list of data as formatted PDF
-        
+
         Args:
             data: QuerySet or list of model instances
             fields_config: dict with field names as keys and display names as values
@@ -385,34 +407,39 @@ class PDFGenerator:
             request_user: User making the request (for audit purposes)
         """
         corporate_settings = self.get_corporate_settings()
-        logo_base64 = self.get_logo_base64(corporate_settings.get('logo_path', ''))
-        
+        logo_base64 = self.get_logo_base64(corporate_settings.get("logo_path", ""))
+
         # Prepare context
         context = {
-            'corporate_settings': corporate_settings,
-            'logo_base64': logo_base64,
-            'title': title,
-            'data': data,
-            'fields_config': fields_config,
-            'generation_date': timezone.now(),
-            'generated_by': (request_user.get_full_name() 
-                           if hasattr(request_user, 'get_full_name') and request_user.get_full_name() 
-                           else request_user.username 
-                           if hasattr(request_user, 'username') and request_user.username 
-                           else 'System'),
-            'total_count': len(data) if hasattr(data, '__len__') else data.count(),
+            "corporate_settings": corporate_settings,
+            "logo_base64": logo_base64,
+            "title": title,
+            "data": data,
+            "fields_config": fields_config,
+            "generation_date": timezone.now(),
+            "generated_by": (
+                request_user.get_full_name()
+                if hasattr(request_user, "get_full_name")
+                and request_user.get_full_name()
+                else (
+                    request_user.username
+                    if hasattr(request_user, "username") and request_user.username
+                    else "System"
+                )
+            ),
+            "total_count": len(data) if hasattr(data, "__len__") else data.count(),
         }
-        
+
         # Render HTML
-        html_content = render_to_string('pdf/data_list.html', context)
-        
+        html_content = render_to_string("pdf/data_list.html", context)
+
         # Generate CSS
         css_content = self.get_base_css(corporate_settings)
-        
+
         # Generate filename
-        timestamp = timezone.now().strftime('%Y%m%d_%H%M%S')
+        timestamp = timezone.now().strftime("%Y%m%d_%H%M%S")
         filename = f"{filename_prefix}_{timestamp}.pdf"
-        
+
         return self.generate_pdf_response(html_content, filename, css_content)