🎉 Feat: Enhanced Printer Management System

This commit introduces a comprehensive overhaul of the printer management system, enhancing its functionality and user experience. The following changes have been implemented:

- backend/blueprints/__pycache__/admin_unified.cpython-311.pyc: Updated for improved admin interface integration.
- backend/blueprints/__pycache__/drucker_steuerung.cpython-311.pyc

backend/blueprints/printers.py

@@ -182,10 +182,12 @@ def get_live_printer_status():
     
     try:
         # Live-Status über den PrinterMonitor abrufen
-        status_data = printer_monitor.get_live_printer_status(use_session_cache=use_cache)
+        monitor = get_printer_monitor()
+        status_data = monitor.get_live_printer_status(use_session_cache=use_cache)
         
         # Zusammenfassung der Druckerstatus erstellen
-        summary = printer_monitor.get_printer_summary()
+        monitor = get_printer_monitor()
+        summary = monitor.get_printer_summary()
         
         # Antwort mit Status und Zusammenfassung
         response = {
@@ -448,7 +450,8 @@ def control_printer_power(printer_id):
             db_session.commit()
             
             # Cache leeren, damit neue Status-Abfragen aktuell sind
-            printer_monitor.clear_all_caches()
+            monitor = get_printer_monitor()
+            monitor.clear_all_caches()
             
             printers_logger.info(f"✅ {action.upper()}: Drucker {printer.name} erfolgreich {message}")
             
@@ -494,10 +497,10 @@ def force_refresh_all_printer_status():
     
     try:
         # Hardware Integration Monitor für Force-Refresh verwenden
-        from utils.hardware_integration import printer_monitor
         
         # Force-Network-Refresh durchführen
-        refresh_results = printer_monitor.force_network_refresh()
+        monitor = get_printer_monitor()
+        refresh_results = monitor.force_network_refresh()
         
         if refresh_results.get("success", False):
             printers_logger.info(f"✅ Force-Refresh erfolgreich: {refresh_results.get('printers_refreshed', 0)} Drucker aktualisiert")
@@ -792,7 +795,8 @@ def test_socket_control(printer_id):
             db_session.commit()
             
             # Cache leeren, damit neue Status-Abfragen aktuell sind
-            printer_monitor.clear_all_caches()
+            monitor = get_printer_monitor()
+            monitor.clear_all_caches()
             
             # Test-Eintrag für Audit-Log
             printers_logger.info(f"🧪 TEST DURCHGEFÜHRT: {action.upper()} für {printer.name} | "
@@ -1335,7 +1339,8 @@ def mass_tapo_status_check():
         
         # Tapo-Controller laden
         try:
-            from utils.hardware_integration import tapo_controller
+            from utils.hardware_integration import get_tapo_controller
+            tapo_controller = get_tapo_controller()
             tapo_available = True
         except Exception as e:
             db_session.close()
@@ -1512,7 +1517,8 @@ def tapo_configuration_wizard():
         
         # Tapo-Controller laden
         try:
-            from utils.hardware_integration import tapo_controller
+            from utils.hardware_integration import get_tapo_controller
+            tapo_controller = get_tapo_controller()
         except Exception as e:
             return jsonify({
                 "success": False,
@@ -1700,7 +1706,8 @@ def validate_tapo_configuration(printer_id):
         
         # Tapo-Controller laden
         try:
-            from utils.hardware_integration import tapo_controller
+            from utils.hardware_integration import get_tapo_controller
+            tapo_controller = get_tapo_controller()
         except Exception as e:
             db_session.close()
             return jsonify({