From 04a89118bce0f07522fe8b5e9416a1db991ad443 Mon Sep 17 00:00:00 2001
From: Alex Blank <alexblank@fastmail.com>
Date: Thu, 13 Aug 2026 15:45:58 +0200
Subject: [PATCH] fix(noctalia): suspend laptops only on battery

Require UPower to confirm battery operation before the idle timeout locks and suspends the laptop.
---
 .config/noctalia/90-machine.toml##class.arch_laptop | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.config/noctalia/90-machine.toml##class.arch_laptop b/.config/noctalia/90-machine.toml##class.arch_laptop
index 522fc06..802a381 100644
--- a/.config/noctalia/90-machine.toml##class.arch_laptop
+++ b/.config/noctalia/90-machine.toml##class.arch_laptop
@@ -77,6 +77,11 @@ type = "alex/system-status:battery-rate"
 [widget.gpu-mode]
 type = "alex/system-status:gpu-mode"
 
+# Only suspend-then-hibernate after 30 minutes when UPower confirms battery power.
+# The command fails closed on AC or when UPower is unavailable.
+[idle.behavior.suspend-then-hibernate]
+command = "busctl get-property org.freedesktop.UPower /org/freedesktop/UPower org.freedesktop.UPower OnBattery 2>/dev/null | grep -qx 'b true' && loginctl lock-session && systemctl suspend-then-hibernate"
+
 [control_center]
 sidebar = "full"
 sidebar_section = "full"