feat: Add scripts and systemd services for SteamOS session management and game launching

ansible/files/game_station/bin/system/launch_session.sh

@@ -36,6 +36,8 @@ start_gamescope() {
       log "HDR disabled, no HDR flag added"
   fi
 
+  env | tee -a "$LOG_FILE"
+
   # Build gamescope argument array for safe quoting and readability
   GAMESCOPE_ARGS=(
     --generate-drm-mode fixed
@@ -82,10 +84,7 @@ start_kwin() {
   exec dbus-run-session -- "$KWIN_BIN" ${KWIN_ARGS} "$@" >>"$LOG_FILE" 2>&1
 }
 
-
 export XDG_SEAT=seat0
-export XDG_RUNTIME_DIR=/run/user/$(id -u)
-export DBUS_SESSION_BUS_ADDRESS=unix:path=$XDG_RUNTIME_DIR/bus
 
 if [[ -f "$HOME/.desktop-session-plasma" ]]; then
   log "Plasma session selected."

ansible/files/game_station/bin/system/steamos.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -euo pipefail
+
+systemctl --user start steamos.target

ansible/files/game_station/systemd/user/session.service

@@ -1,10 +1,7 @@
 [Unit]
-Description=User session service
-After=graphical-session.target systemd-user-sessions.service
+Description=User graphical session service
+After=steamos.target
 
 [Service]
 ExecStart=/usr/bin/bash /usr/local/bin/launch_session.sh
 Restart=on-failure
-
-[Install]
-WantedBy=default.target

ansible/files/game_station/systemd/user/steamos.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=SteamOS user graphical session service
+After=graphical-session.target systemd-user-sessions.service
+
+[Service]
+ExecStart=/usr/bin/bash /usr/local/bin/steamos.sh
+Restart=on-failure
+
+[Install]
+WantedBy=default.target

ansible/files/game_station/systemd/user/steamos.target

@@ -0,0 +1,15 @@
+[Unit]
+Description=SteamOS Target
+Requires=graphical-session.target
+BindsTo=graphical-session.target
+After=graphical-session.target
+PropagatesStopTo=graphical-session.target
+
+Requires=session.service
+BindsTo=session.service
+
+# Wants=ibus-gamescope.service
+# Wants=steam-notif-daemon.service
+# Wants=gamescope-xbindkeys.service
+# Wants=galileo-mura-setup.service
+# Wants=gamescope-mangoapp.service