feat: Add Gamescope and Sunshine configuration files and update session management

ansible/files/game_station/system/launch_session.sh

@@ -4,7 +4,6 @@ LOG_FILE="$HOME/.local/logs/session.log"
 
 log() { echo "[$(date --iso-8601=seconds)] $*" | tee -a "$LOG_FILE"; }
 
-
 start_gamescope() {
   log "Starting Gamescope session..."
 
@@ -17,11 +16,11 @@ start_gamescope() {
   WIDTH="${RESOLUTION%x*}"
   HEIGHT="${RESOLUTION#*x}"
 
-  export __GL_GSYNC_ALLOWED=1
-  export __GL_VRR_ALLOWED=1
-  # export __GL_THREADED_OPTIMIZATIONS=1
-  export __GL_SHADER_DISK_CACHE=1
-  export __GL_SYNC_TO_VBLANK=0
+  # export __GL_GSYNC_ALLOWED=1
+  # export __GL_VRR_ALLOWED=1
+  # # export __GL_THREADED_OPTIMIZATIONS=1
+  # export __GL_SHADER_DISK_CACHE=1
+  # export __GL_SYNC_TO_VBLANK=0
 
   GAMESCOPE_BIN="$(command -v gamescope || true)"
   if [ -z "$GAMESCOPE_BIN" ]; then
@@ -37,9 +36,28 @@ start_gamescope() {
       log "HDR disabled, no HDR flag added"
   fi
 
-  GAMESCOPE_ARGS="--generate-drm-mode fixed --fade-out-duration 200 --cursor-scale-height 720 -f -w $WIDTH -h $HEIGHT --rt --mangoapp -e -O \"$OUTPUT_CONNECTOR\" -r $FRAMERATE $HDR_FLAG"
-  log "Launching Gamescope: $GAMESCOPE_BIN $GAMESCOPE_ARGS -- $@"
-  exec dbus-run-session -- "$GAMESCOPE_BIN" ${GAMESCOPE_ARGS} -- "$@" >>"$LOG_FILE" 2>&1
+  # Build gamescope argument array for safe quoting and readability
+  GAMESCOPE_ARGS=(
+    --generate-drm-mode fixed
+    --fade-out-duration 200
+    --cursor-scale-height 720
+    -f
+    -W "$WIDTH" -H "$HEIGHT"
+    -w "$WIDTH" -h "$HEIGHT"
+    --rt --mangoapp -e
+    -O "$OUTPUT_CONNECTOR"
+    -r "$FRAMERATE"
+  )
+
+  # Append HDR flag if enabled
+  if [ -n "${HDR_FLAG:-}" ]; then
+    GAMESCOPE_ARGS+=("$HDR_FLAG")
+  fi
+
+  log "Launching Gamescope: $GAMESCOPE_BIN ${GAMESCOPE_ARGS[*]} -- $*"
+
+  # Execute gamescope inside a DBus session, preserving proper argument quoting
+  exec dbus-run-session -- "$GAMESCOPE_BIN" "${GAMESCOPE_ARGS[@]}" -- "$@" >>"$LOG_FILE" 2>&1
 }
 
 start_kwin() {
@@ -64,6 +82,11 @@ 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 "$HOME/.desktop-session-plasma" ]]; then
   log "Plasma session selected."
   rm "$HOME/.desktop-session-plasma"