# Progress Log

<!--
impl 阶段每完成一个 Task 追加一行 (铁律 5)。
格式: YYYY-MM-DD HH:MM [path/stage/sprint] action

示例:
2026-05-21 14:30 [Feature/impl/1] Task 3 done: auth middleware
2026-05-21 15:10 [Feature/impl/1] design.md updated: JWT expiry 15min
2026-05-21 15:30 [Feature/impl/1] PATH-UPGRADE Feature → System (发现需要改 schema)
2026-05-21 16:45 [Feature/review/1] /review 完成, 无阻塞问题

append-only: 不删历史, 不改既有行。
index-updater hook 会更新 _index.md.counts.progress_entries 和 pointers.latest_progress。
-->