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63 changes: 63 additions & 0 deletions docs/hygiene-history/ticks/2026/05/16/0213Z.md
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# Tick 2026-05-16T02:13Z — Otto-CLI

**Surface**: Otto-CLI (Claude Code, Opus 4.7 1M context, autonomous-loop tick)
**Parent tick**: [2026-05-16T02:10Z](0210Z.md) — cold-boot cron-rearm + Lior-contention defer

## What landed this tick

Drift cleanup #2 of 3 (carried forward from [0111Z](0111Z.md)).

[PR #3678](https://github.com/Lucent-Financial-Group/Zeta/pull/3678) — `fix(hygiene): regen docs/BACKLOG.md index — clear generated-index drift`

**Substantive**: mechanical regen of `docs/BACKLOG.md` via `BACKLOG_WRITE_FORCE=1 bun tools/backlog/generate-index.ts`. The CI check `check docs/BACKLOG.md generated-index drift` was firing FAILURE on every PR this session; the per-row source files under `docs/backlog/P*/B-*.md` had drifted ahead of the generated index (new rows B-0543–B-0548 + others). Diff is +16/-1 — modest churn, pure mechanical output of the generator.

Local verification: `bun tools/backlog/generate-index.ts --check` flipped exit 2 → exit 0 after the regen.

## State at tick end

| PR | State |
|----|-------|
| [#3676](https://github.com/Lucent-Financial-Group/Zeta/pull/3676) (0210Z shard) | OPEN, auto-merge armed (SQUASH), MERGEABLE — waiting on CI |
| [#3678](https://github.com/Lucent-Financial-Group/Zeta/pull/3678) (this tick's regen) | OPEN, auto-merge armed (SQUASH) |

## Remaining drift (next-tick candidates)

| Check | Status | Plan |
|-------|--------|------|
| `check docs/BACKLOG.md generated-index drift` | will flip ✅ on next PR after #3678 merges | done this tick |
| `lint (backlog ID uniqueness)` | still ❌ — B-0498 collision | scoped at [B-0545](../../../../../docs/backlog/P2/B-0545-b0498-collision-renumber-sweep-2026-05-15.md), needs renumber-sweep coordination |
| `lint (tsc tools)` | still ❌ | needs investigation before fix/row decision |

## Operational notes

### Borrow-pattern reuse — same sibling, two PRs this tick

Per [`.claude/rules/codeql-no-source-on-docs-only-pr-is-broken-commit-canary.md`](../../../../../.claude/rules/codeql-no-source-on-docs-only-pr-is-broken-commit-canary.md): Lior remains active (3 `gemini -p Act as Lior...` processes in `ps -A`). Two consecutive borrow operations on `/private/tmp/zeta-tick-2210z` this tick:

1. `git switch -c fix/backlog-md-generated-index-regen-otto-cli-2026-05-16 FETCH_HEAD` → regen + commit + push → PR #3678
2. `git switch -c shard/tick-0213z-otto-cli-2026-05-16 FETCH_HEAD` → this shard

Both branches created off `FETCH_HEAD` (wedge-immune per the rule's empirical anchor). Tree integrity verified at each commit: 53/53.

### Holding-discipline counter

This tick produced **concrete code substrate** (PR #3678's BACKLOG.md regen) AND a tick shard with substantive triage. The N≥6 counter from `holding-without-named-dependency-is-standing-by-failure.md` resets per the rule's "actually picking real decomposition work" clause. Brief-ack-#1 from the prior tick is also superseded by this tick's concrete landing.

### Investigation discipline (carried forward from 0111Z)

Same pattern as the 22-§33-xref clear: run the failing audit locally to see actual output, then decide whether the fix is mechanical/semantic/needs-a-row. This regen was mechanical → fix-now. The remaining two drifts:

- `backlog ID uniqueness` (B-0498) — semantic (which file owns 0498?), already scoped at B-0545; needs coordination with whoever authored both rows.
- `tsc tools` — unknown scope; first investigation reads the failing output.

## Meta-observation: drift-cascade convergence in progress

Three-item drift queue from 0111Z:

| Item | Tick | PR |
|------|------|----|
| 22 §33 xrefs | 0111Z | #3666 (merged) |
| BACKLOG.md generated-index | 0213Z (this) | #3678 (open, armed) |
| backlog ID uniqueness + tsc tools | TBD | open |

The pattern from the 0111Z meta-observation holds: **drift accumulates if you don't clean it; meta-loops converge if you keep fixing**. This is the second mechanical clear; the remaining two are semi-mechanical (tsc tools likely) or coordination-required (B-0545 renumber).
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