🎉 Improved backend functionality with new watchdog services and manager script 📚

backend/kiosk-watchdog-python.service

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+[Unit]
+Description=MYP Kiosk Watchdog Service - Python-basierte intelligente Überwachung
+Documentation=https://github.com/MYP-Druckerverwaltung
+After=multi-user.target myp-https.service
+Wants=myp-https.service
+
+[Service]
+Type=simple
+User=root
+Restart=always
+RestartSec=30
+TimeoutStartSec=60
+TimeoutStopSec=30
+
+# Python-basierter Watchdog mit erweiterten Features
+WorkingDirectory=/opt/myp
+ExecStartPre=/usr/bin/python3 -c "import psutil, requests; print('Python-Dependencies verfügbar')"
+ExecStart=/usr/bin/python3 /opt/myp/utils/watchdog_manager.py --app-dir /opt/myp --daemon
+
+# Umgebungsvariablen für Python-Watchdog
+Environment=PYTHONPATH=/opt/myp
+Environment=PYTHONUNBUFFERED=1
+Environment=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+Environment=DISPLAY=:0
+Environment=SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
+Environment=LC_ALL=C.UTF-8
+Environment=LANG=C.UTF-8
+
+# Logging-Konfiguration
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=myp-watchdog-python
+
+# Sicherheitseinstellungen
+NoNewPrivileges=false
+PrivateTmp=false
+ProtectSystem=strict
+ReadWritePaths=/var/log
+ReadWritePaths=/opt/myp
+ReadWritePaths=/home/kiosk
+ReadWritePaths=/proc/sys/vm
+ReadWritePaths=/tmp
+
+# Resource-Limits für Python-Prozess
+MemoryMax=512M
+CPUQuota=50%
+
+# Restart-Verhalten bei Fehlern
+StartLimitBurst=5
+StartLimitInterval=300
+
+[Install]
+WantedBy=multi-user.target