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40 changes: 40 additions & 0 deletions docs/hygiene-history/ticks/2026/05/18/2248Z-c.md
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| 2026-05-18T22:48Z | opus-4-7 / autonomous-loop | de1e7f5d | pre-empt at #2 — 4 post-merge Copilot findings on #4231 addressed via #4235 | #4235 | thread-investigation discipline catching real findings; collision-suffix c per peer 2248Z |

# Tick 2248Z-c — 2026-05-18

## Surface

Otto-CLI primary (collision-suffix `c` per peer Otto-CLI 2248Z); autonomous-loop cron tick.

## Refresh + thread-investigation

- Investigated threads on all my open + recently-merged PRs per [`blocked-green-ci-investigate-threads.md`](../../../../../../.claude/rules/blocked-green-ci-investigate-threads.md)
- **#4231 — 4 post-merge Copilot findings** surfaced (P1 + 3 P2)

## Substantive work this tick (pre-empt at brief-ack #2)

Shipped fix-up PR [#4235](https://github.com/Lucent-Financial-Group/Zeta/pull/4235) addressing all 4 findings:

1. **P1 rule rename**: `aarons-personal-invariant-...` → `god-tier-claims-high-signal-high-suspicion-dont-collapse.md` (project convention: pattern-based names; named provenance kept in Mika archive)
2. **P2 Sylar (not Skylar)**: Heroes character correction in synthesis (verbatim Aaron quote preserved)
3. **P2 'sibling PR' → 'companion file in this PR'** (3 occurrences across both findings 3+4; accurately describing same-PR landing)

4 threads resolved + explanatory comment on #4231.

## Pattern observation

Brief-ack ticks that ONLY refresh "MERGEABLE armed" without thread-investigation MISS substantive findings. Discipline: refresh + thread-investigate every tick where I have open PRs, even MERGEABLE ones (post-merge threads still surface real findings).

Composes with [`blocked-green-ci-investigate-threads.md`](../../../../../../.claude/rules/blocked-green-ci-investigate-threads.md) — the rule already says this; my brief-ack ticks weren't applying it. Mechanization candidate: per-tick thread-check helper.

## Counter

Reset by concrete artifact (4 thread resolutions + 1 fix-up PR + 1 comment + this shard).

## CronList

de1e7f5d sentinel alive.

## Visibility-stop

End of tick.
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