diff --git a/backend/app.py b/backend/app.py
index 5da46379..537d3a50 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -151,7 +151,19 @@ from utils.multi_location_system import (
 # Drucker-Monitor importieren
 from utils.printer_monitor import printer_monitor
 
-# Timeout Force-Quit Manager importieren
+# Logging initialisieren (früh, damit andere Module es verwenden können)
+setup_logging()
+log_startup_info()
+
+# app_logger für verschiedene Komponenten (früh definieren)
+app_logger = get_logger("app")
+auth_logger = get_logger("auth")
+jobs_logger = get_logger("jobs")
+printers_logger = get_logger("printers")
+user_logger = get_logger("user")
+kiosk_logger = get_logger("kiosk")
+
+# Timeout Force-Quit Manager importieren (nach Logger-Definition)
 try:
     from utils.timeout_force_quit_manager import (
         get_timeout_manager, start_force_quit_timeout, cancel_force_quit_timeout,
@@ -164,6 +176,108 @@ except ImportError as e:
     TIMEOUT_FORCE_QUIT_AVAILABLE = False
     app_logger.warning(f"⚠️ Timeout Force-Quit Manager nicht verfügbar: {e}")
 
+# ===== AGGRESSIVE SOFORT-SHUTDOWN HANDLER FÜR STRG+C =====
+import atexit
+
+def aggressive_shutdown_handler(sig, frame):
+    """
+    Aggressiver Signal-Handler für sofortiges Herunterfahren bei Strg+C.
+    Schließt sofort alle Datenbankverbindungen und beendet das Programm um jeden Preis.
+    """
+    print("\n🚨 STRG+C ERKANNT - SOFORTIGES SHUTDOWN!")
+    print("🔥 Schließe Datenbank sofort und beende Programm um jeden Preis!")
+    
+    try:
+        # 1. Sofort alle Datenbank-Sessions und Engine schließen
+        try:
+            from models import _engine, _scoped_session, _session_factory
+            
+            if _scoped_session:
+                try:
+                    _scoped_session.remove()
+                    print("✅ Scoped Sessions geschlossen")
+                except Exception as e:
+                    print(f"⚠️ Fehler beim Schließen der Scoped Sessions: {e}")
+            
+            if _engine:
+                try:
+                    _engine.dispose()
+                    print("✅ Datenbank-Engine geschlossen")
+                except Exception as e:
+                    print(f"⚠️ Fehler beim Schließen der Engine: {e}")
+        except ImportError:
+            print("⚠️ Models nicht verfügbar für Database-Cleanup")
+        
+        # 2. Alle offenen DB-Sessions forciert schließen
+        try:
+            import gc
+            # Garbage Collection für nicht geschlossene Sessions
+            gc.collect()
+            print("✅ Garbage Collection ausgeführt")
+        except Exception as e:
+            print(f"⚠️ Garbage Collection fehlgeschlagen: {e}")
+            
+        # 3. SQLite WAL-Dateien forciert synchronisieren
+        try:
+            import sqlite3
+            from config.settings import DATABASE_PATH
+            conn = sqlite3.connect(DATABASE_PATH, timeout=1.0)
+            conn.execute("PRAGMA wal_checkpoint(TRUNCATE)")
+            conn.close()
+            print("✅ SQLite WAL-Checkpoint ausgeführt")
+        except Exception as e:
+            print(f"⚠️ WAL-Checkpoint fehlgeschlagen: {e}")
+        
+        # 4. Queue Manager stoppen falls verfügbar
+        try:
+            from utils.queue_manager import stop_queue_manager
+            stop_queue_manager()
+            print("✅ Queue Manager gestoppt")
+        except Exception as e:
+            print(f"⚠️ Queue Manager Stop fehlgeschlagen: {e}")
+        
+    except Exception as e:
+        print(f"❌ Fehler beim Database-Cleanup: {e}")
+    
+    print("🛑 SOFORTIGES PROGRAMM-ENDE - EXIT CODE 0")
+    # Sofortiger Exit ohne weitere Cleanup-Routinen
+    os._exit(0)
+
+def register_aggressive_shutdown():
+    """
+    Registriert den aggressiven Shutdown-Handler für alle relevanten Signale.
+    Muss VOR allen anderen Signal-Handlern registriert werden.
+    """
+    # Signal-Handler für alle Plattformen registrieren
+    signal.signal(signal.SIGINT, aggressive_shutdown_handler)  # Strg+C
+    signal.signal(signal.SIGTERM, aggressive_shutdown_handler)  # Terminate Signal
+    
+    # Windows-spezifische Signale
+    if os.name == 'nt':
+        try:
+            signal.signal(signal.SIGBREAK, aggressive_shutdown_handler)  # Strg+Break
+            print("✅ Windows SIGBREAK Handler registriert")
+        except AttributeError:
+            pass  # SIGBREAK nicht auf allen Windows-Versionen verfügbar
+    else:
+        # Unix/Linux-spezifische Signale
+        try:
+            signal.signal(signal.SIGHUP, aggressive_shutdown_handler)   # Hangup Signal
+            print("✅ Unix SIGHUP Handler registriert")
+        except AttributeError:
+            pass
+    
+    # Atexit-Handler als Backup registrieren
+    atexit.register(lambda: print("🔄 Atexit-Handler ausgeführt - Programm beendet"))
+    
+    print("🚨 AGGRESSIVER STRG+C SHUTDOWN-HANDLER AKTIVIERT")
+    print("📋 Bei Strg+C wird die Datenbank sofort geschlossen und das Programm beendet!")
+
+# Aggressive Shutdown-Handler sofort registrieren
+register_aggressive_shutdown()
+
+# ===== ENDE AGGRESSIVE SHUTDOWN HANDLER =====
+
 # Flask-App initialisieren
 app = Flask(__name__)
 app.secret_key = SECRET_KEY
@@ -380,18 +494,6 @@ def format_datetime_filter(value, format='%d.%m.%Y %H:%M'):
             return value
     return value.strftime(format)
 
-# Logging initialisieren
-setup_logging()
-log_startup_info()
-
-# app_logger für verschiedene Komponenten
-app_logger = get_logger("app")
-auth_logger = get_logger("auth")
-jobs_logger = get_logger("jobs")
-printers_logger = get_logger("printers")
-user_logger = get_logger("user")
-kiosk_logger = get_logger("kiosk")
-
 # HTTP-Request/Response-Middleware für automatisches Debug-Logging
 @app.before_request
 def log_request_info():
diff --git a/backend/database/myp.db-shm b/backend/database/myp.db-shm
index 654f7559..360a1efc 100644
Binary files a/backend/database/myp.db-shm and b/backend/database/myp.db-shm differ
diff --git a/backend/database/myp.db-wal b/backend/database/myp.db-wal
index 75fe421d..16ea0598 100644
Binary files a/backend/database/myp.db-wal and b/backend/database/myp.db-wal differ
diff --git a/backend/logs/analytics/analytics.log b/backend/logs/analytics/analytics.log
index f8ad5695..0547affc 100644
--- a/backend/logs/analytics/analytics.log
+++ b/backend/logs/analytics/analytics.log
@@ -3,3 +3,5 @@
 2025-06-01 03:06:06 - [analytics] analytics - [INFO] INFO - 📈 Analytics Engine initialisiert
 2025-06-01 03:29:14 - [analytics] analytics - [INFO] INFO - 📈 Analytics Engine initialisiert
 2025-06-01 03:31:39 - [analytics] analytics - [INFO] INFO - 📈 Analytics Engine initialisiert
+2025-06-01 03:35:40 - [analytics] analytics - [INFO] INFO - 📈 Analytics Engine initialisiert
+2025-06-01 03:38:47 - [analytics] analytics - [INFO] INFO - 📈 Analytics Engine initialisiert
diff --git a/backend/logs/app/app.log b/backend/logs/app/app.log
index 77b69c67..b8208cec 100644
--- a/backend/logs/app/app.log
+++ b/backend/logs/app/app.log
@@ -207,3 +207,25 @@
 2025-06-01 03:29:37 - [app] app - [INFO] INFO - Benutzer admin@mercedes-benz.com hat sich abgemeldet
 2025-06-01 03:31:39 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\database\myp.db
 2025-06-01 03:31:40 - [app] app - [INFO] INFO - SQLite für Produktionsumgebung konfiguriert (WAL-Modus, Cache, Optimierungen)
+2025-06-01 03:35:40 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\database\myp.db
+2025-06-01 03:35:41 - [app] app - [INFO] INFO - SQLite für Produktionsumgebung konfiguriert (WAL-Modus, Cache, Optimierungen)
+2025-06-01 03:38:46 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\database\myp.db
+2025-06-01 03:38:47 - [app] app - [INFO] INFO - SQLite für Produktionsumgebung konfiguriert (WAL-Modus, Cache, Optimierungen)
+2025-06-01 03:38:47 - [app] app - [INFO] INFO - ✅ Timeout Force-Quit Manager geladen
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - ✅ Zentraler Shutdown-Manager initialisiert
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - 🔄 Starte Datenbank-Setup und Migrationen...
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - ✅ JobOrder-Tabelle bereits vorhanden
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - ✅ Datenbank-Setup und Migrationen erfolgreich abgeschlossen
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - 🖨️ Starte automatische Steckdosen-Initialisierung...
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - ℹ️ Keine Drucker zur Initialisierung gefunden
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - 🔄 Debug-Modus: Queue Manager deaktiviert für Entwicklung
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - Job-Scheduler gestartet
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - Starte Debug-Server auf 0.0.0.0:5000 (HTTP)
+2025-06-01 03:38:48 - [app] app - [INFO] INFO - Windows-Debug-Modus: Auto-Reload deaktiviert
+2025-06-01 03:39:14 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_stats_live: User authenticated: True, User ID: 1, Is Admin: True
+2025-06-01 03:39:14 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_system_health: User authenticated: True, User ID: 1, Is Admin: True
+2025-06-01 03:39:15 - [app] app - [WARNING] WARNING - System-Performance-Metriken nicht verfügbar: argument 1 (impossible<bad format char>)
+2025-06-01 03:39:15 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_stats_live: User authenticated: True, User ID: 1, Is Admin: True
+2025-06-01 03:39:16 - [app] app - [WARNING] WARNING - System-Performance-Metriken nicht verfügbar: argument 1 (impossible<bad format char>)
diff --git a/backend/logs/backup/backup.log b/backend/logs/backup/backup.log
index 88450f6a..91582b54 100644
--- a/backend/logs/backup/backup.log
+++ b/backend/logs/backup/backup.log
@@ -3,3 +3,5 @@
 2025-06-01 03:06:06 - [backup] backup - [INFO] INFO - BackupManager initialisiert (minimal implementation)
 2025-06-01 03:29:14 - [backup] backup - [INFO] INFO - BackupManager initialisiert (minimal implementation)
 2025-06-01 03:31:39 - [backup] backup - [INFO] INFO - BackupManager initialisiert (minimal implementation)
+2025-06-01 03:35:40 - [backup] backup - [INFO] INFO - BackupManager initialisiert (minimal implementation)
+2025-06-01 03:38:47 - [backup] backup - [INFO] INFO - BackupManager initialisiert (minimal implementation)
diff --git a/backend/logs/calendar/calendar.log b/backend/logs/calendar/calendar.log
index f1d55167..34ba0971 100644
--- a/backend/logs/calendar/calendar.log
+++ b/backend/logs/calendar/calendar.log
@@ -1,2 +1,3 @@
 2025-06-01 03:06:34 - [calendar] calendar - [INFO] INFO - 📅 Kalender-Events abgerufen: 0 Einträge für Zeitraum 2025-06-01 00:00:00 bis 2025-06-08 00:00:00
 2025-06-01 03:08:04 - [calendar] calendar - [INFO] INFO - 📅 Kalender-Events abgerufen: 0 Einträge für Zeitraum 2025-06-01 00:00:00 bis 2025-06-08 00:00:00
+2025-06-01 03:38:56 - [calendar] calendar - [INFO] INFO - 📅 Kalender-Events abgerufen: 0 Einträge für Zeitraum 2025-06-01 00:00:00 bis 2025-06-08 00:00:00
diff --git a/backend/logs/dashboard/dashboard.log b/backend/logs/dashboard/dashboard.log
index a09fc69d..96a9c5eb 100644
--- a/backend/logs/dashboard/dashboard.log
+++ b/backend/logs/dashboard/dashboard.log
@@ -15,3 +15,8 @@
 2025-06-01 03:29:16 - [dashboard] dashboard - [INFO] INFO - Dashboard WebSocket-Server wird mit threading initialisiert (eventlet-Fallback)
 2025-06-01 03:29:16 - [dashboard] dashboard - [INFO] INFO - Dashboard WebSocket-Server initialisiert (async_mode: threading)
 2025-06-01 03:31:40 - [dashboard] dashboard - [INFO] INFO - Dashboard-Background-Worker gestartet
+2025-06-01 03:35:41 - [dashboard] dashboard - [INFO] INFO - Dashboard-Background-Worker gestartet
+2025-06-01 03:38:47 - [dashboard] dashboard - [INFO] INFO - Dashboard-Background-Worker gestartet
+2025-06-01 03:38:47 - [dashboard] dashboard - [INFO] INFO - Dashboard-Background-Worker gestartet
+2025-06-01 03:38:47 - [dashboard] dashboard - [INFO] INFO - Dashboard WebSocket-Server wird mit threading initialisiert (eventlet-Fallback)
+2025-06-01 03:38:47 - [dashboard] dashboard - [INFO] INFO - Dashboard WebSocket-Server initialisiert (async_mode: threading)
diff --git a/backend/logs/database/database.log b/backend/logs/database/database.log
index 05528720..6ef9bd32 100644
--- a/backend/logs/database/database.log
+++ b/backend/logs/database/database.log
@@ -3,3 +3,5 @@
 2025-06-01 03:06:06 - [database] database - [INFO] INFO - Datenbank-Wartungs-Scheduler gestartet
 2025-06-01 03:29:14 - [database] database - [INFO] INFO - Datenbank-Wartungs-Scheduler gestartet
 2025-06-01 03:31:39 - [database] database - [INFO] INFO - Datenbank-Wartungs-Scheduler gestartet
+2025-06-01 03:35:40 - [database] database - [INFO] INFO - Datenbank-Wartungs-Scheduler gestartet
+2025-06-01 03:38:47 - [database] database - [INFO] INFO - Datenbank-Wartungs-Scheduler gestartet
diff --git a/backend/logs/database_cleanup/database_cleanup.log b/backend/logs/database_cleanup/database_cleanup.log
index 7858c490..2e86716b 100644
--- a/backend/logs/database_cleanup/database_cleanup.log
+++ b/backend/logs/database_cleanup/database_cleanup.log
@@ -7,3 +7,6 @@
 2025-06-01 03:30:12 - [database_cleanup] database_cleanup - [INFO] INFO - 🧹 Starte umfassendes Datenbank-Cleanup...
 2025-06-01 03:30:12 - [database_cleanup] database_cleanup - [INFO] INFO - 📝 Schritt 1: Schließe alle Datenbankverbindungen...
 2025-06-01 03:30:12 - [database_cleanup] database_cleanup - [INFO] INFO - 🔄 Schließe alle aktiven Datenbankverbindungen...
+2025-06-01 03:39:41 - [database_cleanup] database_cleanup - [INFO] INFO - 🧹 Starte umfassendes Datenbank-Cleanup...
+2025-06-01 03:39:41 - [database_cleanup] database_cleanup - [INFO] INFO - 📝 Schritt 1: Schließe alle Datenbankverbindungen...
+2025-06-01 03:39:41 - [database_cleanup] database_cleanup - [INFO] INFO - 🔄 Schließe alle aktiven Datenbankverbindungen...
diff --git a/backend/logs/email_notification/email_notification.log b/backend/logs/email_notification/email_notification.log
index 9d1a6e65..dd41f90b 100644
--- a/backend/logs/email_notification/email_notification.log
+++ b/backend/logs/email_notification/email_notification.log
@@ -3,3 +3,5 @@
 2025-06-01 03:06:07 - [email_notification] email_notification - [INFO] INFO - 📧 Offline-E-Mail-Benachrichtigung initialisiert (kein echter E-Mail-Versand)
 2025-06-01 03:29:15 - [email_notification] email_notification - [INFO] INFO - 📧 Offline-E-Mail-Benachrichtigung initialisiert (kein echter E-Mail-Versand)
 2025-06-01 03:31:40 - [email_notification] email_notification - [INFO] INFO - 📧 Offline-E-Mail-Benachrichtigung initialisiert (kein echter E-Mail-Versand)
+2025-06-01 03:35:41 - [email_notification] email_notification - [INFO] INFO - 📧 Offline-E-Mail-Benachrichtigung initialisiert (kein echter E-Mail-Versand)
+2025-06-01 03:38:47 - [email_notification] email_notification - [INFO] INFO - 📧 Offline-E-Mail-Benachrichtigung initialisiert (kein echter E-Mail-Versand)
diff --git a/backend/logs/maintenance/maintenance.log b/backend/logs/maintenance/maintenance.log
index bb962d00..a6c4a9c0 100644
--- a/backend/logs/maintenance/maintenance.log
+++ b/backend/logs/maintenance/maintenance.log
@@ -7,3 +7,6 @@
 2025-06-01 03:29:16 - [maintenance] maintenance - [INFO] INFO - Wartungs-Scheduler gestartet
 2025-06-01 03:29:16 - [maintenance] maintenance - [INFO] INFO - Wartungs-Scheduler gestartet
 2025-06-01 03:31:40 - [maintenance] maintenance - [INFO] INFO - Wartungs-Scheduler gestartet
+2025-06-01 03:35:41 - [maintenance] maintenance - [INFO] INFO - Wartungs-Scheduler gestartet
+2025-06-01 03:38:47 - [maintenance] maintenance - [INFO] INFO - Wartungs-Scheduler gestartet
+2025-06-01 03:38:47 - [maintenance] maintenance - [INFO] INFO - Wartungs-Scheduler gestartet
diff --git a/backend/logs/multi_location/multi_location.log b/backend/logs/multi_location/multi_location.log
index d899d6cc..a6a30a24 100644
--- a/backend/logs/multi_location/multi_location.log
+++ b/backend/logs/multi_location/multi_location.log
@@ -7,3 +7,6 @@
 2025-06-01 03:29:16 - [multi_location] multi_location - [INFO] INFO - Standard-Standort erstellt
 2025-06-01 03:29:16 - [multi_location] multi_location - [INFO] INFO - Standard-Standort erstellt
 2025-06-01 03:31:40 - [multi_location] multi_location - [INFO] INFO - Standard-Standort erstellt
+2025-06-01 03:35:41 - [multi_location] multi_location - [INFO] INFO - Standard-Standort erstellt
+2025-06-01 03:38:47 - [multi_location] multi_location - [INFO] INFO - Standard-Standort erstellt
+2025-06-01 03:38:47 - [multi_location] multi_location - [INFO] INFO - Standard-Standort erstellt
diff --git a/backend/logs/permissions/permissions.log b/backend/logs/permissions/permissions.log
index 62f8a9c6..978e398e 100644
--- a/backend/logs/permissions/permissions.log
+++ b/backend/logs/permissions/permissions.log
@@ -2,3 +2,4 @@
 2025-06-01 03:04:48 - [permissions] permissions - [INFO] INFO - 🔐 Permission Template Helpers registriert
 2025-06-01 03:06:07 - [permissions] permissions - [INFO] INFO - 🔐 Permission Template Helpers registriert
 2025-06-01 03:29:16 - [permissions] permissions - [INFO] INFO - 🔐 Permission Template Helpers registriert
+2025-06-01 03:38:47 - [permissions] permissions - [INFO] INFO - 🔐 Permission Template Helpers registriert
diff --git a/backend/logs/printer_monitor/printer_monitor.log b/backend/logs/printer_monitor/printer_monitor.log
index 7798250d..2ef723c9 100644
--- a/backend/logs/printer_monitor/printer_monitor.log
+++ b/backend/logs/printer_monitor/printer_monitor.log
@@ -180,3 +180,30 @@
 2025-06-01 03:29:52 - [printer_monitor] printer_monitor - [INFO] INFO - ✅ Steckdosen-Erkennung abgeschlossen: 0/6 Steckdosen gefunden in 36.0s
 2025-06-01 03:31:39 - [printer_monitor] printer_monitor - [INFO] INFO - 🖨️ Drucker-Monitor initialisiert
 2025-06-01 03:31:39 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Automatische Tapo-Erkennung in separatem Thread gestartet
+2025-06-01 03:35:40 - [printer_monitor] printer_monitor - [INFO] INFO - 🖨️ Drucker-Monitor initialisiert
+2025-06-01 03:35:40 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Automatische Tapo-Erkennung in separatem Thread gestartet
+2025-06-01 03:38:47 - [printer_monitor] printer_monitor - [INFO] INFO - 🖨️ Drucker-Monitor initialisiert
+2025-06-01 03:38:47 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Automatische Tapo-Erkennung in separatem Thread gestartet
+2025-06-01 03:38:48 - [printer_monitor] printer_monitor - [INFO] INFO - 🚀 Starte Steckdosen-Initialisierung beim Programmstart...
+2025-06-01 03:38:48 - [printer_monitor] printer_monitor - [WARNING] WARNING - ⚠️ Keine aktiven Drucker zur Initialisierung gefunden
+2025-06-01 03:38:49 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Starte automatische Tapo-Steckdosenerkennung...
+2025-06-01 03:38:49 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Teste 6 Standard-IPs aus der Konfiguration
+2025-06-01 03:38:49 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Teste IP 1/6: 192.168.0.103
+2025-06-01 03:38:53 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Aktualisiere Live-Druckerstatus...
+2025-06-01 03:38:53 - [printer_monitor] printer_monitor - [INFO] INFO - ℹ️ Keine aktiven Drucker gefunden
+2025-06-01 03:38:53 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Aktualisiere Live-Druckerstatus...
+2025-06-01 03:38:53 - [printer_monitor] printer_monitor - [INFO] INFO - ℹ️ Keine aktiven Drucker gefunden
+2025-06-01 03:38:55 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Teste IP 2/6: 192.168.0.104
+2025-06-01 03:39:01 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Teste IP 3/6: 192.168.0.100
+2025-06-01 03:39:07 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Teste IP 4/6: 192.168.0.101
+2025-06-01 03:39:13 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Teste IP 5/6: 192.168.0.102
+2025-06-01 03:39:14 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Aktualisiere Live-Druckerstatus...
+2025-06-01 03:39:14 - [printer_monitor] printer_monitor - [INFO] INFO - ℹ️ Keine aktiven Drucker gefunden
+2025-06-01 03:39:14 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Aktualisiere Live-Druckerstatus...
+2025-06-01 03:39:14 - [printer_monitor] printer_monitor - [INFO] INFO - ℹ️ Keine aktiven Drucker gefunden
+2025-06-01 03:39:19 - [printer_monitor] printer_monitor - [INFO] INFO - 🔍 Teste IP 6/6: 192.168.0.105
+2025-06-01 03:39:25 - [printer_monitor] printer_monitor - [INFO] INFO - ✅ Steckdosen-Erkennung abgeschlossen: 0/6 Steckdosen gefunden in 36.0s
+2025-06-01 03:39:30 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Aktualisiere Live-Druckerstatus...
+2025-06-01 03:39:30 - [printer_monitor] printer_monitor - [INFO] INFO - ℹ️ Keine aktiven Drucker gefunden
+2025-06-01 03:39:30 - [printer_monitor] printer_monitor - [INFO] INFO - 🔄 Aktualisiere Live-Druckerstatus...
+2025-06-01 03:39:30 - [printer_monitor] printer_monitor - [INFO] INFO - ℹ️ Keine aktiven Drucker gefunden
diff --git a/backend/logs/printers/printers.log b/backend/logs/printers/printers.log
index 677d92c4..8919d414 100644
--- a/backend/logs/printers/printers.log
+++ b/backend/logs/printers/printers.log
@@ -2995,3 +2995,12 @@
 2025-06-01 03:08:12 - [printers] printers - [INFO] INFO - ✅ Live-Status-Abfrage erfolgreich: 0 Drucker
 2025-06-01 03:08:12 - [printers] printers - [INFO] INFO - ✅ API-Live-Drucker-Status-Abfrage 'get_live_printer_status' erfolgreich in 13.12ms
 2025-06-01 03:29:28 - [printers] printers - [INFO] INFO - Schnelles Laden abgeschlossen: 6 Drucker geladen (ohne Status-Check)
+2025-06-01 03:38:53 - [printers] printers - [INFO] INFO - 🔄 Live-Status-Abfrage von Benutzer Administrator (ID: 1)
+2025-06-01 03:38:53 - [printers] printers - [INFO] INFO - ✅ Live-Status-Abfrage erfolgreich: 0 Drucker
+2025-06-01 03:38:53 - [printers] printers - [INFO] INFO - ✅ API-Live-Drucker-Status-Abfrage 'get_live_printer_status' erfolgreich in 7.26ms
+2025-06-01 03:39:14 - [printers] printers - [INFO] INFO - 🔄 Live-Status-Abfrage von Benutzer Administrator (ID: 1)
+2025-06-01 03:39:14 - [printers] printers - [INFO] INFO - ✅ Live-Status-Abfrage erfolgreich: 0 Drucker
+2025-06-01 03:39:14 - [printers] printers - [INFO] INFO - ✅ API-Live-Drucker-Status-Abfrage 'get_live_printer_status' erfolgreich in 8.11ms
+2025-06-01 03:39:30 - [printers] printers - [INFO] INFO - 🔄 Live-Status-Abfrage von Benutzer Administrator (ID: 1)
+2025-06-01 03:39:30 - [printers] printers - [INFO] INFO - ✅ Live-Status-Abfrage erfolgreich: 0 Drucker
+2025-06-01 03:39:30 - [printers] printers - [INFO] INFO - ✅ API-Live-Drucker-Status-Abfrage 'get_live_printer_status' erfolgreich in 7.72ms
diff --git a/backend/logs/scheduler/scheduler.log b/backend/logs/scheduler/scheduler.log
index c350a061..6a22eaac 100644
--- a/backend/logs/scheduler/scheduler.log
+++ b/backend/logs/scheduler/scheduler.log
@@ -2831,3 +2831,9 @@
 2025-06-01 03:30:12 - [scheduler] scheduler - [INFO] INFO - Scheduler-Thread beendet
 2025-06-01 03:30:12 - [scheduler] scheduler - [INFO] INFO - Scheduler gestoppt
 2025-06-01 03:31:39 - [scheduler] scheduler - [INFO] INFO - Task check_jobs registriert: Intervall 30s, Enabled: True
+2025-06-01 03:35:40 - [scheduler] scheduler - [INFO] INFO - Task check_jobs registriert: Intervall 30s, Enabled: True
+2025-06-01 03:38:47 - [scheduler] scheduler - [INFO] INFO - Task check_jobs registriert: Intervall 30s, Enabled: True
+2025-06-01 03:38:48 - [scheduler] scheduler - [INFO] INFO - Scheduler-Thread gestartet
+2025-06-01 03:38:48 - [scheduler] scheduler - [INFO] INFO - Scheduler gestartet
+2025-06-01 03:39:41 - [scheduler] scheduler - [INFO] INFO - Scheduler-Thread beendet
+2025-06-01 03:39:41 - [scheduler] scheduler - [INFO] INFO - Scheduler gestoppt
diff --git a/backend/logs/security/security.log b/backend/logs/security/security.log
index 525f958c..98113d59 100644
--- a/backend/logs/security/security.log
+++ b/backend/logs/security/security.log
@@ -2,3 +2,4 @@
 2025-06-01 03:04:48 - [security] security - [INFO] INFO - 🔒 Security System initialisiert
 2025-06-01 03:06:07 - [security] security - [INFO] INFO - 🔒 Security System initialisiert
 2025-06-01 03:29:16 - [security] security - [INFO] INFO - 🔒 Security System initialisiert
+2025-06-01 03:38:47 - [security] security - [INFO] INFO - 🔒 Security System initialisiert
diff --git a/backend/logs/shutdown_manager/shutdown_manager.log b/backend/logs/shutdown_manager/shutdown_manager.log
index fc69fcb1..55be8424 100644
--- a/backend/logs/shutdown_manager/shutdown_manager.log
+++ b/backend/logs/shutdown_manager/shutdown_manager.log
@@ -24,3 +24,15 @@
 2025-06-01 03:31:40 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🧹 Führe 1 Cleanup-Funktionen aus...
 2025-06-01 03:31:40 - [shutdown_manager] shutdown_manager - [INFO] INFO - ✅ Koordiniertes Shutdown abgeschlossen in 0.0s
 2025-06-01 03:31:40 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🏁 System wird beendet...
+2025-06-01 03:35:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🔧 Shutdown-Manager initialisiert
+2025-06-01 03:35:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🔄 Starte koordiniertes System-Shutdown...
+2025-06-01 03:35:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🧹 Führe 1 Cleanup-Funktionen aus...
+2025-06-01 03:35:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - ✅ Koordiniertes Shutdown abgeschlossen in 0.0s
+2025-06-01 03:35:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🏁 System wird beendet...
+2025-06-01 03:38:47 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🔧 Shutdown-Manager initialisiert
+2025-06-01 03:39:41 - [shutdown_manager] shutdown_manager - [WARNING] WARNING - 🛑 Signal 2 empfangen - starte koordiniertes Shutdown
+2025-06-01 03:39:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🔄 Starte koordiniertes System-Shutdown...
+2025-06-01 03:39:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🧹 Führe 5 Cleanup-Funktionen aus...
+2025-06-01 03:39:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 🔄 Beende Scheduler mit stop()...
+2025-06-01 03:39:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - ✅ Scheduler erfolgreich gestoppt
+2025-06-01 03:39:41 - [shutdown_manager] shutdown_manager - [INFO] INFO - 💾 Führe sicheres Datenbank-Cleanup durch...
diff --git a/backend/logs/startup/startup.log b/backend/logs/startup/startup.log
index fd06d10a..25e72b18 100644
--- a/backend/logs/startup/startup.log
+++ b/backend/logs/startup/startup.log
@@ -34,3 +34,12 @@
 2025-06-01 03:29:16 - [startup] startup - [INFO] INFO - 🪟 Windows-Modus: Aktiviert
 2025-06-01 03:29:16 - [startup] startup - [INFO] INFO - 🔒 Windows-sichere Log-Rotation: Aktiviert
 2025-06-01 03:29:16 - [startup] startup - [INFO] INFO - ==================================================
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - ==================================================
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - 🚀 MYP Platform Backend wird gestartet...
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - 🐍 Python Version: 3.13.3 (tags/v3.13.3:6280bb5, Apr  8 2025, 14:47:33) [MSC v.1943 64 bit (AMD64)]
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - 💻 Betriebssystem: nt (win32)
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - 📁 Arbeitsverzeichnis: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - ⏰ Startzeit: 2025-06-01T03:38:47.922824
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - 🪟 Windows-Modus: Aktiviert
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - 🔒 Windows-sichere Log-Rotation: Aktiviert
+2025-06-01 03:38:47 - [startup] startup - [INFO] INFO - ==================================================
diff --git a/backend/logs/windows_fixes/windows_fixes.log b/backend/logs/windows_fixes/windows_fixes.log
index bdd31a23..5b458723 100644
--- a/backend/logs/windows_fixes/windows_fixes.log
+++ b/backend/logs/windows_fixes/windows_fixes.log
@@ -24,3 +24,13 @@
 2025-06-01 03:31:39 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Subprocess automatisch gepatcht für UTF-8 Encoding (run + Popen)
 2025-06-01 03:31:39 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Globaler subprocess-Patch angewendet
 2025-06-01 03:31:39 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Alle Windows-Fixes erfolgreich angewendet
+2025-06-01 03:35:40 - [windows_fixes] windows_fixes - [INFO] INFO - 🔧 Wende Windows-spezifische Fixes an...
+2025-06-01 03:35:40 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Subprocess automatisch gepatcht für UTF-8 Encoding (run + Popen)
+2025-06-01 03:35:40 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Globaler subprocess-Patch angewendet
+2025-06-01 03:35:40 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Alle Windows-Fixes erfolgreich angewendet
+2025-06-01 03:38:46 - [windows_fixes] windows_fixes - [INFO] INFO - 🔧 Wende Windows-spezifische Fixes an...
+2025-06-01 03:38:46 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Subprocess automatisch gepatcht für UTF-8 Encoding (run + Popen)
+2025-06-01 03:38:46 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Globaler subprocess-Patch angewendet
+2025-06-01 03:38:46 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Alle Windows-Fixes erfolgreich angewendet
+2025-06-01 03:39:41 - [windows_fixes] windows_fixes - [INFO] INFO - 🔄 Starte Windows Thread-Shutdown...
+2025-06-01 03:39:41 - [windows_fixes] windows_fixes - [INFO] INFO - ✅ Windows Thread-Shutdown abgeschlossen