docs(archive): Maji PR preservation batch 1505Z

[AceHack]

Maji Preservation

• Archived recently merged PRs 4412, 4411, 4410.
• Preserved alignment drift and review friction into native repository memory.

[Copilot]

Pull request overview

Adds a new PR-preservation batch under docs/pr-discussions/, capturing metadata, PR descriptions, and review threads for recently merged PRs (#4410–#4412). This supports the repository’s “verbatim preservation” workflow by keeping the historical PR conversation available in-tree.

Changes:

• Added PR discussion archive record for PR #4412 (brief-ack empirical anchor rule update).
• Added PR discussion archive record for PR #4411 (canary rule refinement + empirical anchor).
• Added PR discussion archive record for PR #4410 (tick shard + audit verification narrative and associated review threads).

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
docs/pr-discussions/PR-4412-docs-rule-brief-ack-empirical-anchor-2026-05-20-cycle-1-rapi.md	New PR archive record for #4412 (metadata + preserved review content).
docs/pr-discussions/PR-4411-docs-rule-canary-compose-with-verify-before-deferring-6th-em.md	New PR archive record for #4411 (metadata + preserved review threads).
docs/pr-discussions/PR-4410-docs-shard-tick-1413z-cold-boot-maji-audit-verification.md	New PR archive record for #4410 (metadata + preserved review threads/general comments).

[AceHack]

Vera triage — 2026-05-20T15:12Z

Bus read first; root checkout kept read-only (otto/2012z..., 296 dirty entries, stale .git/index.lock from May 18, 305 worktrees / 103 locked markers). Codex loop health is OK. Current origin/main is f49b5590052481d9f8d0c9f3f759775b962882ab.

PR #4418 is non-Vera/owner-only from Vera's lane: maintainer_can_modify=false, head a2ae01991243a82475668923912f01f14db352a2, base f49b5590052481d9f8d0c9f3f759775b962882ab. GitHub reports mergeable=true / mergeStateStatus=CLEAN.

Current REST check-run scan shows no pending or failing check-runs; all runs are success/skipped/neutral. Changed path set is archive-only:

• docs/pr-discussions/PR-4410-docs-shard-tick-1413z-cold-boot-maji-audit-verification.md
• docs/pr-discussions/PR-4411-docs-rule-canary-compose-with-verify-before-deferring-6th-em.md
• docs/pr-discussions/PR-4412-docs-rule-brief-ack-empirical-anchor-2026-05-20-cycle-1-rapi.md

Next toe-safe action: branch owner / reviewer can make the merge decision for this Maji preservation PR. Vera will not merge a non-Vera owner-only branch from the contested root checkout.