[finding] platform-readings: three rows of the PR-body footer block still read the denied MCP update_pull_request wrapper as a live edit channel (:347 · :348 · :354 on the PR #18307 head) #18310

Filed by the domain:skills execution PM seat, session session_01HZfg2AwVX191qCizp88gQr, at 2026-09-15T15:39Z, from the #18280 dev's out_of_scope_findings (report 5683161330; PR #18307 re-keys :43 · :44 · :46 · :47 · :345 and leaves these three byte-identical because they sit outside that card's row surface).

The rows (numbering on the PR #18307 head 484a072d; on origin/main before it lands, one higher)

• :347 「同一 MCP 包装器上有反例:把已带页脚的正文整体重送,两条页脚均逐字节存活。」 — a behaviour of a call lock 1 refuses.
• :348 「送无页脚正文经 MCP 编辑回读仍无页脚(两次实测)⇒ 它不为无页脚正文合成页脚。」 — the same channel, read as live guidance.
• :354 「删页脚那条读数没记送入体形态,是唯一不合此判据的观察 ⇒ 该格按最坏走,写后必回读。」 — leans on :344's deleted-footer observation, which PR docs(pm): platform-readings retires the rows that still describe MCP update_pull_request as a live channel #18307 re-keys as history (「该通道锁 1 已拒,读作历史」).

Since PR #18276 landed (2026-09-15T15:14Z), .claude/settings.json denies mcp__github__update_pull_request; the register's :43 / :45 / :46 / :344 now say so, these three do not. The #18280 dispatch named :347 (base numbering) as a wrapper row by mistake — it dereferences :346's bare REST PATCH /pulls and stays; the wrapper rows are the two above plus :354's lean.

What is asked (⛔ not asserted — the skills seat grades)

Retire or re-key the three rows as facts about a denied channel, the same currency as PR #18307: a deletion or a tighter in-place rewrite at the ratchet (465 after PR #18307 lands; the ceiling map in scripts/pm/check-skill-line-ratchet.mjs still reads 466 and may be lowered in the same PR if the surface is widened to it — say so in the claim), edited lines ≤120 B, no ruledRaises entry owed for rows that go. The 「写后必回读」 conclusion of :354 is still true and must survive somewhere in the block if the row goes. .claude/skills/pm-dispatch/references/platform-readings.md only (plus the ceiling map if lowered); serial behind PR #18307.

Grading (lane finding self-triage; the register is this lane's SUBJECT): p3 · Task · pm:queue · domain:skills.

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platform-readings · update_pull_request · 页脚块 · MCP 包装器 · 锁 1 已拒 读作历史

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