v0.4.2

Changelog

Reliability and recovery

• P0：RecoverablePiProcessError 被打成终态 ai-blocked，与「the run is recoverable, next tick resumes」自相矛盾，额度用尽即烧毁在途交付 (Issue [#656]; PR [#661])

Observability

• Orbi 执行异常: RuntimeError: no progress comment to update（release 早期失败时 finish() 无评论可更新） (Issue [#474]; PR [#659])

• tag: v0.4.2

• release commit: ac7d7f8f4a4ca9999917f45cdbeb0db90554ca57
• release task: Issue [#660]

Scope (verified item by item)

• Issue [#474] closed
• Issue [#656] closed
• NOT released (still open in milestone v0.4.2): open Issue [#663] P0：release fallback 不校验 milestone 完整性，blocker 未完成时抢跑并推出 bump commit
• NOT released (still open in milestone v0.4.2): open Issue [#662] P0：残留孤儿分支让 git worktree add -b 失败（exit 255），被烧成终态 ai-blocked 且不自愈
• NOT released (still open in milestone v0.4.2): open Issue [#660] Release task：发布 v0.4.2（e2e 解 block 版本）并完成远端交付对账
• NOT released (still open in milestone v0.4.2): open Issue [#655] P0：GraphQL 的 author.login 不带 [bot] 后缀，_comment_is_trusted 对真实 bot 评论恒假，托管交付评审仍全线阻塞（#648 未完全解决）

Pre-release gates

• no open Issue carries ai-in-progress / ai-pr-opened / ai-fix-needed
• CI on the release commit: 4 check(s) all success/neutral/skipped

Tests

• release tests gated by GitHub Actions CI on the release commit [ac7d7f] (the [#268] CI-wait gate; no local test execution)

run_id=da7c4a0e