Add daemon reinstall command

- Added DaemonReinstallCommand that calls uninstall followed by install
- Updated daemon.go to include the new reinstall subcommand
- Addresses issue #97

Co-authored-by: Le He <AnnatarHe@users.noreply.github.com>

Author: claude[bot]

commands/daemon.go

@@ -8,5 +8,6 @@ var DaemonCommand *cli.Command = &cli.Command{
 	Subcommands: []*cli.Command{
 		DaemonInstallCommand,
 		DaemonUninstallCommand,
+		DaemonReinstallCommand,
 	},
 }

commands/daemon.reinstall.go

@@ -0,0 +1,31 @@
+package commands
+
+import (
+	"github.com/gookit/color"
+	"github.com/urfave/cli/v2"
+)
+
+var DaemonReinstallCommand = &cli.Command{
+	Name:   "reinstall",
+	Usage:  "Reinstall the shelltime daemon service (uninstall then install)",
+	Action: commandDaemonReinstall,
+}
+
+func commandDaemonReinstall(c *cli.Context) error {
+	color.Yellow.Println("🔄 Starting daemon service reinstallation...")
+
+	// First, uninstall the existing service
+	color.Yellow.Println("🗑 Uninstalling existing daemon service...")
+	if err := commandDaemonUninstall(c); err != nil {
+		return err
+	}
+
+	// Then, install the service
+	color.Yellow.Println("📦 Installing daemon service...")
+	if err := commandDaemonInstall(c); err != nil {
+		return err
+	}
+
+	color.Green.Println("✅ Daemon service has been successfully reinstalled!")
+	return nil
+}