Fix keyboard input on Wayland: use ydotool instead of wtype

- Replace wtype with ydotool as primary keyboard input tool on Wayland
  (wtype had a bug sending ESC instead of correct keys to GUI apps)
- Use 'ydotool type' command for better Wine/game compatibility
- Automatically start ydotoold daemon on startup if available
- Keep wtype as fallback for backward compatibility
- Improve keyboard action support for games running in Wine

action.go

@@ -232,6 +232,9 @@ func deckBuiltinAction(action string, deck *Deck) error {
 
 func keyboardTool() string {
 	if os.Getenv("WAYLAND_DISPLAY") != "" {
+		if _, err := exec.LookPath("ydotool"); err == nil {
+			return "ydotool"
+		}
 		if _, err := exec.LookPath("wtype"); err == nil {
 			return "wtype"
 		}
@@ -264,6 +267,8 @@ func execKeyboard(a *config.Action) error {
 	}
 
 	switch tool {
+	case "ydotool":
+		return execYDOTool(keys)
 	case "wtype":
 		return execWType(parts)
 	case "xdotool":
@@ -300,6 +305,14 @@ func execXDoTool(keys string) error {
 	return cmd.Run()
 }
 
+func execYDOTool(keys string) error {
+	// Use 'type' command instead of 'key' for better compatibility with Wine/games on Wayland
+	cmd := exec.Command("ydotool", "type", keys)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	return cmd.Run()
+}
+
 func (pm *PageManager) PageNames() []string {
 	pm.mu.RLock()
 	defer pm.mu.RUnlock()

daemon.go

@@ -289,8 +289,19 @@ func Run(ctx context.Context, cfg *config.Config, opts RunOptions) error {
 
 func checkKeyboardTool() {
 	if os.Getenv("WAYLAND_DISPLAY") != "" {
-		if _, err := exec.LookPath("wtype"); err != nil {
-			slog.Warn("keyboard actions require wtype on Wayland — install it (e.g. apk add wtype) and restart")
+		// On Wayland, prefer ydotool over wtype
+		if _, err := exec.LookPath("ydotool"); err == nil {
+			// Start ydotoold daemon if not already running
+			cmd := exec.Command("ydotoold")
+			cmd.Stdout = nil
+			cmd.Stderr = nil
+			// Run in background, don't wait
+			_ = cmd.Start()
+			slog.Info("ydotoold daemon started for keyboard input")
+		} else if _, err := exec.LookPath("wtype"); err == nil {
+			slog.Warn("ydotool not found, falling back to wtype — consider installing ydotool for better Wayland support (e.g. apk add ydotool)")
+		} else {
+			slog.Warn("keyboard actions require ydotool or wtype on Wayland — install one (e.g. apk add ydotool) and restart")
 		}
 	} else {
 		if _, err := exec.LookPath("xdotool"); err != nil {

page.go

@@ -249,6 +249,13 @@ func (pm *PageManager) renderKey(idx int, k *config.KeyConfig) {
 		if err := pm.deck.WriteText(idx, k.Label, image.Black, fontName, fontSize); err != nil {
 			slog.Warn("write text", "error", err)
 		}
+	} else if k.Background != "" {
+		bg, err := parseHexColor(k.Background)
+		if err == nil {
+			pm.deck.FillColor(idx, bg.R, bg.G, bg.B)
+		} else {
+			slog.Warn("invalid background color", "value", k.Background, "error", err)
+		}
 	}
 }