Portability: sysfs-only sensors with thermal-zone fallback, /sys/block disk discovery, fs blacklist, pwrstat/NUT/apcupsd UPS, login shell from passwd, templated unit + install for any user, cross-compile targets

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

deploy/hamlab.service

@@ -4,11 +4,11 @@ After=network.target
 
 [Service]
 Type=simple
-User=core
-Group=core
-WorkingDirectory=/home/core
-Environment=HAMLAB_CONFIG=/home/core/apps/hamlab/config.json
-ExecStart=/usr/local/bin/hamlab serve
+User=@USER@
+Group=@GROUP@
+WorkingDirectory=@HOME@
+Environment=HAMLAB_CONFIG=@HOME@/apps/hamlab/config.json
+ExecStart=@PREFIX@/hamlab serve
 Restart=always
 RestartSec=3
 KillMode=control-group