bd-154: Implement bd daemons stop and restart subcommands

internal/daemon/kill_windows.go

@@ -0,0 +1,18 @@
+//go:build windows
+
+package daemon
+
+import (
+	"fmt"
+	"os/exec"
+	"strconv"
+)
+
+func killProcess(pid int) error {
+	// Use taskkill on Windows
+	cmd := exec.Command("taskkill", "/PID", strconv.Itoa(pid), "/F")
+	if err := cmd.Run(); err != nil {
+		return fmt.Errorf("failed to kill PID %d: %w", pid, err)
+	}
+	return nil
+}