📚 Improved code organization and structure in backend modules 🚧🔧

backend/blueprints/admin_unified.py

@@ -726,7 +726,7 @@ def create_backup():
         with zipfile.ZipFile(backup_path, 'w', zipfile.ZIP_DEFLATED) as zipf:
             # 1. Datenbank-Datei hinzufügen
             try:
-                from utils.settings import DATABASE_PATH
+                from utils.utilities_collection import DATABASE_PATH
                 if os.path.exists(DATABASE_PATH):
                     zipf.write(DATABASE_PATH, 'database/main.db')
                     created_files.append('database/main.db')
@@ -854,7 +854,7 @@ def optimize_database():
     try:
         admin_api_logger.info(f"Datenbank-Optimierung angefordert von Admin {current_user.username}")
         
-        from utils.settings import DATABASE_PATH
+        from utils.utilities_collection import DATABASE_PATH
         
         optimization_results = {
             'vacuum_completed': False,