验证：各仓单测已过。worktree 内 make test 与 make build 通过。临时 mock（127.0.0.1:8802）上打开回滚确认：无检查点时显示「没有需要回滚的文件」且确认按钮不可用；写入检查点后列出将恢复的 notes.txt 与跳过的 note.txt，确认后 notes.txt 被删除、note.txt 保持外部内容，并追加系统提示。
Why: tool intent, file checkpoints, fallback, and span names landed in the libraries and the product shell.
Evidence: native, squad, core, backend, frontend, and ui feature commits are recorded in the task card.
Impact: gitlinks move to those commits. Default fallback stays empty and replay stays never.
Refs: feature/durable-rewind
Co-authored-by: Cursor <cursoragent@cursor.com>
Why: The card still said combined verification was pending after make test, make build, and the mock rewind check.
Evidence: Dialog listed notes.txt to restore and note.txt to skip; confirm removed notes.txt and appended the system note.
Impact: Reviewers see the browser check on the same card that becomes the PR body.
Refs: feature/durable-rewind
Co-authored-by: Cursor <cursoragent@cursor.com>
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feature/durable-rewind 任务卡
任务主记录：<PR 链接，task-finish 时填写>；状态：进行中；owner：weichen
基线与授权
10fabbc404目标与非目标
同步记录
10fabbc40410fabbc404结果与验证（完成后填写）
make test与make build通过。临时 mock（127.0.0.1:8802）上打开回滚确认：无检查点时显示「没有需要回滚的文件」且确认按钮不可用；写入检查点后列出将恢复的 notes.txt 与跳过的 note.txt，确认后 notes.txt 被删除、note.txt 保持外部内容，并追加系统提示。