fix(auth): close Windows remediation review findings

tools/tht/internal/backup/fixture_security_windows_test.go

@@ -0,0 +1,23 @@
+//go:build windows
+
+package backup
+
+import (
+	"testing"
+
+	"github.com/aritmolab/thothii/tools/tht/internal/safeio"
+)
+
+func prepareBackupFixturePrivatePaths(t *testing.T, directories, files []string) {
+	t.Helper()
+	for _, path := range directories {
+		if err := safeio.ProtectPrivateDirectory(path); err != nil {
+			t.Fatalf("ProtectPrivateDirectory(%q): %v", path, err)
+		}
+	}
+	for _, path := range files {
+		if err := safeio.ProtectPrivateRegular(path); err != nil {
+			t.Fatalf("ProtectPrivateRegular(%q): %v", path, err)
+		}
+	}
+}