shard(tick): 0717Z — borrow-on-existing pattern landed as rule update (PR #3377)#3378
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… (PR #3377) PR #3377 adds "Borrow-on-existing pattern — concurrent-Otto-CLI fallback" section to .claude/rules/claim-acquire-before-worktree-work.md. Composes with peer-Otto's B-0530 (mutex mitigation): borrow pattern is the reactive workaround; B-0530 is the proactive prevention. Rule update dog-foods itself — authored via the borrow pattern on 0027z worktree. Empirical validation: 7+ borrows across ticks 0452Z-0717Z, concurrent peer-Otto landing 2 commits to the same worktree's original branch, zero conflicts. Co-Authored-By: Claude <noreply@anthropic.com>
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| ## Headline | ||
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| - **PR [#3377](https://github.com/Lucent-Financial-Group/Zeta/pull/3377)** opened + auto-merge armed: adds "Borrow-on-existing pattern — concurrent-Otto-CLI fallback" section to [`.claude/rules/claim-acquire-before-worktree-work.md`](../../../../../.claude/rules/claim-acquire-before-worktree-work.md). Documents the empirically-validated operational workaround for the worktree-prune-race that peer-Otto's [B-0530](../../../backlog/P3/B-0530-cron-sentinel-mutex-prevent-otto-cli-self-contention-2026-05-15.md) addresses at the mutex layer. |
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The two local links on this line resolve to non-existent paths from docs/hygiene-history/ticks/2026/05/15/ (../../../../../.claude/... points to docs/.claude/..., and ../../../backlog/... points to docs/hygiene-history/ticks/backlog/...). As written, readers cannot reach the referenced rule or backlog artifact, which breaks the shard’s audit trail and can fail stricter markdown-link validation workflows.
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Pull request overview
This PR adds a tick-history shard documenting PR #3377’s borrow-on-existing rule update and its relationship to B-0530.
Changes:
- Adds the 0717Z hygiene-history tick shard.
- Records PR status, borrow-pattern observations, and next-step follow-ups.
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| ## Headline | ||
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| - **PR [#3377](https://github.com/Lucent-Financial-Group/Zeta/pull/3377)** opened + auto-merge armed: adds "Borrow-on-existing pattern — concurrent-Otto-CLI fallback" section to [`.claude/rules/claim-acquire-before-worktree-work.md`](../../../../../.claude/rules/claim-acquire-before-worktree-work.md). Documents the empirically-validated operational workaround for the worktree-prune-race that peer-Otto's [B-0530](../../../backlog/P3/B-0530-cron-sentinel-mutex-prevent-otto-cli-self-contention-2026-05-15.md) addresses at the mutex layer. |
…trate-wide rule-link path-bug discovered (#3380) PR #3378 (0717Z shard) merged at 6f066e8. PR #3376 picked up 3 Copilot review threads on the 0710Z shard: 1. (PR TBD) placeholder → (PR #3376) 2. Relative-link path bug: 5x dotdot only climbs to docs/, breaks .claude/rules/... links — fixed to 6x dotdot via empirical realpath verification 3. PID inconsistency 7894 vs 30425 — clarified as separate peer-Otto session invocations at different times (0611Z vs 0710Z) Path bug is substrate-wide across the May 2026 shard cohort: 0230Z + 0414Z + 0517Z + 0710Z + 0717Z + 0724Z. Only 0710Z fixed this tick. Bulk-fix proposed as next-tick B-NNNN candidate. Co-authored-by: Claude <noreply@anthropic.com>
Summary
.claude/rules/claim-acquire-before-worktree-work.md. Composes with peer-Otto's B-0530 (the mutex mitigation).Test plan
bun tools/hygiene/check-tick-history-shard-schema.ts→ 0 violationsbun x markdownlint-cli2→ 0 violations🤖 Generated with Claude Code