[Unit]
Description=Skull Pi Vision Service - Real-time face detection and tracking
After=network.target mosquitto.service
Wants=mosquitto.service
Requires=network.target

[Service]
Type=simple
User=skull
Group=skull
WorkingDirectory=/opt/Skull/apps/vision
ExecStart=/opt/Skull/bin/skull-vision.sh
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=5
StartLimitBurst=3
StartLimitInterval=60

# Environnement
Environment=PYTHONPATH=/opt/Skull/apps
Environment=VISION_RES=320x240
Environment=VISION_FPS=15
Environment=VISION_MIN_DET_CONF=0.6
Environment=VISION_MIN_TRACK_CONF=0.5

# Limites ressources
LimitNOFILE=1024
MemoryAccounting=true
MemoryMax=512M

# Logs
StandardOutput=journal
StandardError=journal
SyslogIdentifier=skull-vision

# Sécurité
NoNewPrivileges=true
ProtectSystem=strict
ProtectHome=true
ReadWritePaths=/opt/Skull/logs
PrivateTmp=true
ProtectKernelTunables=true
ProtectKernelModules=true
ProtectControlGroups=true

[Install]
WantedBy=multi-user.target
Alias=skull-vision