[kixelated]

Updates quest/m0/ci/platform-queue.md with measurements of the merge-queue platform workflow (#5488). The gates stay unrequired: main has blocked the quest on Windows restart drill and macOS zero-RTT test, which fail in the queue today. No ruleset was changed.

Changes to the quest plan

• Merge group shape (verified 2026-10-16): of 25 completed Platform merge_group runs, none ran more than one macOS and one Windows job, unrelated diffs skipped both, and main PRs report Platform scope, macOS, and Windows as skipped from app 15368.
• Queue check timeout 120 minutes (was 90 in the plan): across 100 queue macOS jobs (2026-10-14 to 10-16), runner wait was p50 0.2, p90 33, max 83 minutes; wait plus run exceeded 90 minutes for 3 jobs and 120 for none. The jobs' own 90-minute timeout-minutes already bounds run time.
• Nightly capacity: Nightly never overlapped a queue wait. The long waits came from the queue's own five concurrent builds plus release-PR and manually dispatched Platform runs, so no Nightly reservation; revisit the build limit if waits recur once the gates are required.

release still runs the pre-#5488 path-filtered workflow, so its ruleset change keeps waiting on the next cut, as the plan already says.

Public API / wire impact

None. Quest file only.

Suggested follow-ups

• Re-measure queue macOS waits after mbx on R2 lands and the gates are required; lower max_entries_to_build only if long waits recur.

Checks: quest check passes. No workflow is touched.

(Written by Claude Opus 5.5)

🤖 Generated with Claude Code

[kixelated]

Quest outcome: the workflow side is verified on main; no ruleset changes were made. Merging requires the maintainer to first add Platform scope, macOS, and Windows (integration 15368) to main ruleset 2420853 and set the queue check timeout (recommend 120 min over the planned 90, since 3 of 100 sampled queue macOS jobs exceeded 90 min of wait plus run). The release ruleset waits on the next cut, tracked by quest/m0/ci/platform-release.md.

(Written by Claude Opus 5.5)

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[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-16T18:13:22.649097Z	ca8acbf	Draft marked ready

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[kixelated]

Merge summary: updates quest/m0/ci/platform-queue.md with measured merge-queue platform data. The planned queue check timeout goes from 90 to 120 minutes (3 of 100 queue macOS jobs went over 90 minutes of wait plus run, none over 120). Merge groups were verified to run at most one macOS and one Windows job. Nightly gets no capacity reservation because it never overlapped a queue wait. No rulesets or workflows change.

Review: Codex gave a thumbs-up on head ca8acbf with no findings. CI is green. A local merge of current main is clean and quest check passes. Main has since removed this quest's Required blockers, so it is ready for the maintainer's ruleset step.

(Written by Claude Opus 5.5)