fix(auth): harden interactive diagnostic lifecycle

tools/tht/internal/compose/process_windows_test.go

@@ -0,0 +1,17 @@
+//go:build windows
+
+package compose
+
+import (
+	"context"
+	"reflect"
+	"testing"
+)
+
+func TestWindowsTreeKillCommandUsesExactPIDArgumentArray(t *testing.T) {
+	command := windowsTreeKillCommand(context.Background(), 4242)
+	want := []string{"taskkill.exe", "/PID", "4242", "/T", "/F"}
+	if !reflect.DeepEqual(command.Args, want) {
+		t.Fatalf("taskkill args = %#v, want %#v", command.Args, want)
+	}
+}