Fix HDMI recovery dispatches for Lua Hyprland sessions

scripts/revive-monitor-fix.sh

@@ -44,9 +44,44 @@ monitor_present() {
         jq -e --arg name "$MONITOR" 'any(.[]; .name == $name)' >/dev/null 2>&1
 }
 
+select_dispatch_syntax() {
+    local status provider
+    DISPATCH_SYNTAX=hyprlang
+    # The active config provider, not the version, determines dispatch syntax.
+    # Older Hyprland versions do not expose `status`; their dispatch is legacy.
+    if status="$(timeout 5 hyprctl -j status 2>/dev/null)" &&
+        provider="$(jq -er '.configProvider | select(type == "string")' <<< "$status" 2>/dev/null)"; then
+        case "$provider" in
+            lua|hyprlang) DISPATCH_SYNTAX="$provider" ;;
+            *) log "Unsupported Hyprland config provider: $provider"; return 1 ;;
+        esac
+    else
+        log 'Hyprland config provider unavailable; trying legacy dispatch syntax'
+    fi
+    log "Using $DISPATCH_SYNTAX dispatch syntax"
+}
+
+dispatch_checked() {
+    local action="$1" reply status
+    shift
+    reply="$(timeout 5 hyprctl dispatch "$@" 2>&1)"
+    status=$?
+    # Some hyprctl versions return exit 0 even for an IPC error response.
+    if (( status != 0 )) || [[ "$reply" != ok ]]; then
+        log "Hyprland $action failed (exit $status): ${reply:-no response}"
+        return 1
+    fi
+}
+
 refresh_monitor() {
-    timeout 5 hyprctl dispatch dpms on "$MONITOR" >/dev/null 2>&1 &&
-        timeout 5 hyprctl dispatch focusmonitor "$MONITOR" >/dev/null 2>&1
+    if [[ "$DISPATCH_SYNTAX" == lua ]]; then
+        # MONITOR is restricted to alphanumeric characters, underscores and '-'.
+        dispatch_checked DPMS "hl.dsp.dpms({ action = \"on\", monitor = \"$MONITOR\" })" &&
+            dispatch_checked focus "hl.dsp.focus({ monitor = \"$MONITOR\" })"
+    else
+        dispatch_checked DPMS dpms on "$MONITOR" &&
+            dispatch_checked focus focusmonitor "$MONITOR"
+    fi
 }
 
 log "Recovery started for $MONITOR on VT $GRAPHICAL_VT"
@@ -55,6 +90,7 @@ if ! monitor_present; then
     log "Hyprland IPC unavailable or configured output $MONITOR absent - recovery aborted"
     exit 1
 fi
+select_dispatch_syntax || exit 1
 if ! refresh_monitor; then
     log 'Hyprland refresh failed - recovery aborted'
     exit 1