no confirmation message on logout

i3/.config/i3/config

@@ -1,5 +1,3 @@
-# i3 config generated to mimic your sway config
-
 # Set mod key (Mod1 = Alt)
 set $mod Mod1
 set $left h
@@ -36,7 +34,7 @@ floating_modifier $mod
 bindsym $mod+Shift+r reload
 
 # Exit i3
-bindsym $mod+Shift+e exec "i3-nagbar -t warning -m 'Exit i3? This will end your session.' -b 'Yes, exit i3' 'i3-msg exit'"
+bindsym $mod+Shift+e exit
 
 focus_follows_mouse yes
 focus_on_window_activation none

xprofile/.xprofile

@@ -2,3 +2,10 @@ export GTK_THEME="Adwaita:dark";
 export QT_QPA_PLATFORMTHEME="gtk2";
 export PATH="$HOME/.local/share/JetBrains/Toolbox/scripts:$PATH"
 export PATH=$PATH:/var/lib/flatpak/exports/bin
+
+# Disable X11 screen blanking and monitor power-off permanently.
+if command -v xset >/dev/null 2>&1; then
+    xset s off
+    xset s noblank
+    xset -dpms
+fi