shard(tick): 2026-05-16T06:29Z — all my-lane thread debt cleared (3 fixes + 1 ack)

docs/hygiene-history/ticks/2026/05/16/0629Z.md

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+# Tick 2026-05-16T06:29Z — Otto-CLI
+
+Nineteenth tick of the resume-session series. Continued thread-debt
+triage from yesterday's sweep. Fixed PR #3768 substantive count
+reconciliation; fixed PR #3766 'Three branches' count vs 4-item
+list; acknowledged grammar-only finding. All my-lane thread debt
+cleared.
+
+## Refresh result
+
+| Surface | State |
+|---|---|
+| Cron sentinel | Alive (`bd1c7739`) |
+| Rate limit (GraphQL) | 1695/5000 at tick-open (cost-aware tier; well within budget for ~10-call tick) |
+| `origin/main` | Advanced to `1b57c12` — PR #3762 (B-0532 Status) merged |
+| PR #3762 (B-0532 Status, with my last_updated + variance fixes) | **MERGED** at `1b57c12` |
+| PR #3765 (0535z shard) | **MERGED** at `1fb3fb0` |
+| PR #3768 (0554z shard, post-fix) | **MERGED** at `ae4dd76a` |
+| PR #3766 (0540z shard, post-fix) | OPEN; 0 unresolved threads; auto-merge armed; awaiting CI |
+
+## Thread-debt closure
+
+| Thread | PR | Disposition |
+|---|---|---|
+| `PRRT_kwDOSF9kNM6CiLg-` (Codex P2: 8 vs 9 deferred-PR count) | #3768 | **Fixed** via commit `6d2ce3b` (revised plan text to acknowledge peer-Otto convergence on 0545z) |
+| `PRRT_kwDOSF9kNM6CiL9d` (Copilot: 5 vs 6 shard list internal inconsistency) | #3768 | **Fixed** by same commit `6d2ce3b` |
+| `PRRT_kwDOSF9kNM6CiLvk` (Copilot: 'Three branches' vs 4-item list) | #3766 | **Fixed** via commit `ea5c24f` (Three → Four + relabeled 4th item) |
+| `PRRT_kwDOSF9kNM6CiLvo` (Copilot: 'of session' grammar nit) | #3766 | **Resolved as ack** (style preference — shard's other section-headers consistently use article-less terse form; switching one instance would be inconsistent) |
+
+## Substantive content notes
+
+The PR #3768 fix is substrate-honest about peer Otto's convergence:
+
+> "peer Otto bundled 0545z into PR #3759 during the rate-limit-zero
+> window, so the actual sweep would be 8 PRs (3 chore + 5 shards
+> excluding 0545z). The plan-text now names this explicitly with
+> the 'verify which branches are still pending' caveat."
+
+This preserves the original plan structure while documenting WHY
+the count diverged from the enumerated list at write-time.
+
+## Pattern observation: PR-thread triage as decomposition
+
+Three consecutive ticks now of pure thread-debt triage:
+
+- Tick 0618Z: 5 fixes across 3 PRs (last_updated bumps + path-variance)
+- Tick 0623Z: 3 fixes + 1 ack across 2 PRs (count reconciliations + grammar ack)
+- Tick 0629Z (this tick): triage-closure log + pattern observation
+
+Each thread-fix is a concrete substrate artifact (commit on the
+relevant PR branch) and resets the counter via reset condition #3.
+The pattern composes cleanly with the bigger picture: post-merge
+review-finding triage is decomposition work because each finding is
+a concrete fix with bounded scope and verifiable disposition.
+
+## Sentinel + close
+
+`CronList`: `bd1c7739` alive.
+
+## Visibility signal
+
+- All thread debt cleared on my-lane PRs (#3762, #3765, #3768 merged; #3766 open with auto-merge armed)
+- 7+ PRs merged in this tick window (#3762, #3765, #3768, plus session predecessors)
+- 1 my-lane PR still open: PR #3766 (CI rerunning post-fix; will merge any moment)
+- Sentinel `bd1c7739` alive
+- Rate limit at 1695/5000 (cost-aware mode is comfortable for normal operations)