add(systemd): dms-tray-watcher service & commands for early tray registration

core/cmd/dms/commands_common.go

@@ -774,5 +774,6 @@ func getCommonCommands() []*cobra.Command {
 		trashCmd,
 		systemCmd,
 		switchUserCmd,
+		trayWatcherCmd,
 	}
 }

core/cmd/dms/commands_traywatcher.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/traywatcher"
+	"github.com/spf13/cobra"
+)
+
+var trayWatcherCmd = &cobra.Command{
+	Use:   "tray-watcher",
+	Short: "Run a minimal StatusNotifierWatcher for early tray registration",
+	Long: `Run a minimal org.kde.StatusNotifierWatcher daemon.
+
+Started early in the session (Before=graphical-session.target via
+dms-tray-watcher.service), it lets tray apps launched by XDG autostart
+register their items before the shell finishes loading, and keeps them
+registered across shell restarts. The shell's tray host picks items up from
+this watcher; if it is not running, the shell's built-in watcher takes over.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := traywatcher.Run(); err != nil {
+			log.Fatalf("%v", err)
+		}
+	},
+}