在同一个 handoff-outbox 目录中，哪个命令可以将 handoff-summary-draft.txt 重命名为 handoff-summary.txt？
handoff-outbox
handoff-summary-draft.txt
handoff-summary.txt
mv handoff-outbox/handoff-summary.txt handoff-outbox/handoff-summary-draft.txt
rm handoff-outbox/handoff-summary-draft.txt
mv handoff-outbox handoff-summary.txt
mv handoff-outbox/handoff-summary-draft.txt handoff-outbox/handoff-summary.txt