v0.4.5

Changelog

Features

• 技术债：stream_pi 728 行、16 参数、19 个可变循环状态变量 (Issue [#287]; PR [#694])
• 技术债：失败上报逻辑在三处逐字复制 (Issue [#288]; PR [#693])
• 技术债：wait_for_delivery 把轮询循环与完整评审交付流程混在一个 426 行函数里 (Issue [#289]; PR [#692])
• 技术债：verify_pr / freeze_pr 重复实现同一段 PR 查询校验 (Issue [#291]; PR [#690])
• 技术债：五个终止分支重复同一段 run_failed 日志骨架 (Issue [#292]; PR [#688])
• 技术债：两个进度收尾函数近乎逐行重复 (Issue [#293]; PR [#687])
• 技术债：_safe_publish 样板重复 37 次 (Issue [#294]; PR [#686])
• 技术债：quote_value 通用原语放在 Pi 会话解析模块里 (Issue [#296]; PR [#684])

Reliability and recovery

• Runner: Pi 429（限流）按 Retry-After 指数退避自动重试，不再直接 ai-blocked (Issue [#321]; PR [#689])

Deployment and operations

• 技术债：cli_install.py 是纯转发模块，承诺了一个不存在的边界 (Issue [#295]; PR [#685])

Bug fixes

• CI failure: tests on branch fix/release-ci-empty-checkruns (pull_request) (Issue [#691])

• tag: v0.4.5

• release commit: a7533fa8df43ae600ef532b9f14f2866cc6f0170
• release task: Issue [#699]

Scope (verified item by item)

• Issue [#287] closed
• Issue [#288] closed
• Issue [#289] closed
• Issue [#291] closed
• Issue [#292] closed
• Issue [#293] closed
• Issue [#294] closed
• Issue [#295] closed
• Issue [#296] closed
• Issue [#321] closed
• Issue [#691] closed
• NOT released (still open in milestone v0.4.5): open Issue [#699] Release task：发布 v0.4.5（Runner 结构整理 + 429 退避）并完成远端交付对账

Pre-release gates

• no open Issue in milestone 'v0.4.5' carries ai-in-progress / ai-pr-opened / ai-fix-needed
• CI on the release commit: 4 check(s) all success/neutral/skipped (waited 240s for pending checks)

Tests

• release tests gated by GitHub Actions CI on the release commit [a7533f] (the [#268] CI-wait gate; no local test execution)

run_id=697a8744