fix: Windows-specific reliability gap in the new timeout cleanup path (#74703)

Co-authored-by: openclaw-clawsweeper[bot] <280122609+openclaw-clawsweeper[bot]@users.noreply.github.com>

scripts/docs-i18n/codex_command_windows.go

@@ -2,8 +2,35 @@
 
 package main
 
-import "os/exec"
+import (
+	"context"
+	"errors"
+	"os"
+	"os/exec"
+	"strconv"
+)
+
+var runWindowsTaskkill = func(pid int) error {
+	ctx, cancel := context.WithTimeout(context.Background(), docsI18nCommandWaitDelay())
+	defer cancel()
+	return exec.CommandContext(ctx, "taskkill.exe", "/T", "/F", "/PID", strconv.Itoa(pid)).Run()
+}
 
 func configureCodexPromptCommand(command *exec.Cmd) {
+	command.Cancel = func() error {
+		if command.Process == nil {
+			return os.ErrProcessDone
+		}
+		if err := runWindowsTaskkill(command.Process.Pid); err != nil {
+			killErr := command.Process.Kill()
+			if errors.Is(killErr, os.ErrProcessDone) {
+				return os.ErrProcessDone
+			}
+			if killErr != nil {
+				return errors.Join(err, killErr)
+			}
+		}
+		return nil
+	}
 	command.WaitDelay = docsI18nCommandWaitDelay()
 }