feat: manage wlsunset via systemd user service

Move nightlight from niri spawn-at-startup to a systemd user service with After=kanshi.service to ensure all outputs are configured before wlsunset starts. Toggle now uses enable/disable --now for persistent state across reboots.
2026-04-14 17:42:24 +02:00
parent 9bc753e092
commit 0433f08f08
8 changed files with 34 additions and 13 deletions
@@ -0,0 +1,19 @@
+# ABOUTME: systemd user service for wlsunset night light (blue light filter).
+# ABOUTME: Starts after kanshi to ensure all outputs are configured.
+
+[Unit]
+Description=Wlsunset night light (blue light filter)
+Documentation=man:wlsunset(1)
+PartOf=graphical-session.target
+After=graphical-session.target kanshi.service
+
+[Service]
+Type=simple
+# Give kanshi time to configure all outputs before wlsunset captures them
+ExecStartPre=/bin/sleep 2
+ExecStart=/usr/bin/wlsunset -T 6500 -t 5000 -S 00:00 -s 00:01
+Restart=on-failure
+RestartSec=3
+
+[Install]
+WantedBy=graphical-session.target