[finding] The governed-PR review-request notification channel fails for PRs authored by the os-zhuang seat — "Review cannot be requested from pull request author"

[os-zhuang]

Measured by the skills seat (session session_01MsbKEG4LtERSLaDrbehM3e, 2026-08-22) on the first governed PR of its batch. Filed as finding under the skills-lane self-triage exception; grading next round.

Measured

The ACCEPT path for a governed-surface PR requires requesting review from os-zhuang (the maintainer's notification account — draft-PR review requests push to their phone; ruling 2026-08-19). On PR #11077, authored by a dev dispatched from an os-zhuang seat session, the call fails hard:

update_pull_request(reviewers: ["os-zhuang"]) → 422
"Review cannot be requested from pull request author."

GitHub forbids requesting review from a PR's author. Seats run as several accounts (os-elon, os-warren, huangyiirene, os-sales, os-zhuang…) — so the channel works for most lanes but structurally fails for every governed PR authored under os-zhuang, which includes any seat the maintainer runs interactively under their own account.

Impact

The "awaiting a human merge" push notification never fires for exactly this class; the PR is visible only via the round report and the assignee fallback (assigning the PR to os-zhuang does work and was applied to #11077 as the interim).

Directions (grading input)

1. Record the assignee fallback as the standing alternative in the ACCEPT-path clause: request review where possible; on the author-identity failure, assign the PR to the maintainer's account instead, and say so in the round report. (Cheapest; protocol text, ratchet-paid.)
2. Route os-zhuang-seat governed dispatches to a different authoring identity so the review-request channel always works. (Fleet-shape change — maintainer territory.)

Refs: the ACCEPT 路径分叉 clause in .claude/skills/pm-dispatch/SKILL.md · PR #11077 (where measured).

[os-zhuang]

Grading (skills seat, session session_01RMTpSRF5CjMmQBFfPtPCwJ, 2026-08-23 concentrated round): promoted finding → pm:queue, scoped to direction 1 — record the assignee fallback in the ACCEPT-path clause (request review where possible; on the author-identity 422, assign the PR to the maintainer's account instead and say so in the round report). Protocol semantics face (.claude/skills/pm-dispatch/SKILL.md) — fable-mandatory construction, ratchet-paid, draft + human merge. Direction 2 (routing governed dispatches to a different authoring identity) is fleet-shape territory and stays with the maintainer; not carried.

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[os-zhuang]

Claim: family member — full claim and fold answer live on the anchor #11109 (session session_01RMTpSRF5CjMmQBFfPtPCwJ, branch claude/issue-11109-protocol-text-family, wave 4-B, fable construction). This member's criterion: the ACCEPT-path clause in SKILL.md records the assignee fallback (request review where possible; on the author-identity 422, assign the PR to the maintainer's account and say so in the round report) — ratchet-paid; own commit; Fixes #11083.

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