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shard(0826Z): Pure-git tier; deferred-PR queue + counter cycle #4363

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AceHack merged 1 commit into from
May 19, 2026
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shard(0826Z): Pure-git tier; deferred-PR queue + counter cycle #4363

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63 changes: 63 additions & 0 deletions docs/hygiene-history/ticks/2026/05/19/0826Z.md
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# Tick 0826Z — 2026-05-19 — Pure-git tier; deferred-PR queue building

## Cold-boot context

Cycle-new (counter reset by 2 named-deps surfacing): PR #4358 (my combined lint fix) merged at `ec830a47`; PR #4356 (peer-Otto B-0211 slice 1 decomp) merged at `014eaeaf`. Sentinel `02c996c5` alive across the cycle.

## Step 1 — Refresh

| Signal | Value |
|---|---|
| UTC | 2026-05-19T08:26:50Z |
| `origin/main` tip | `014eaeaf` (PR #4356; with `ec830a47` PR #4358 below it) |
| GraphQL remaining | **4** — Pure-git tier (`0–200`) per [`refresh-world-model-poll-pr-gate.md`](../../../../../../.claude/rules/refresh-world-model-poll-pr-gate.md); reset ~8 min |
| Peer activity | 14 procs (steady) |
| Lint frontier | Closed by PR #4358 (0 NEW; 12 grandfathered baseline only) |

## Step 2 — Holding discipline

Cycle-new (2 named-deps surfaced); brief-ack #1 of new cycle. No further bounded-wait pending.

## Step 3 — Pick speculative work

Pure-git tier constraints (per [`refresh-world-model-poll-pr-gate.md`](../../../../../../.claude/rules/refresh-world-model-poll-pr-gate.md)):

- ✅ Allowed: `git fetch` + `git push` + filesystem substrate writes
- ❌ Deferred: `gh pr create`, `gh pr merge --auto`, `gh api graphql` thread sweeps

Two shard branches now sit pushed-but-un-PRed:

1. `shard/tick-0816z-otto-cli-pure-git-tier-lint-fix-2026-05-19` (last tick)
2. `shard/tick-0826z-otto-cli-pure-git-deferred-pr-pattern-2026-05-19` (this tick)

Both will get PRs opened post-reset (next tick after `gql > 200` returns).

## Step 4 — Verify + commit

This shard committed via pure-git on isolated worktree off `origin/main 014eaeaf`. ls-tree HEAD = 53 (matches main; no canary corruption).

## Auto-merge-race lesson — confirmed by PR #4358 outcome

PR #4357 lost its follow-up commit `9c9c8e69` to the auto-merge-race (race window between CLEAN-gate transition and second push). PR #4358 (this tick's follow-up) shipped the fix instead. Both files now correct on main via `ec830a47`.

The lesson generalizes:

> **Don't arm auto-merge with non-required-checks-failing if a follow-up commit is likely.** Either fix in-place before arming, or accept that the first-commit content is what ships.

Candidate rule extension for [`blocked-green-ci-investigate-threads.md`](../../../../../../.claude/rules/blocked-green-ci-investigate-threads.md) — "auto-merge-race anti-pattern" section. Substrate landing deferred to a post-reset tick.

## Step 5 — Shard

This file IS Step 5.

## Step 6 — CronList

Sentinel `02c996c5` alive (`* * * * *` recurring `<<autonomous-loop>>`).

## Step 7 — Visibility-stop

Concrete artifact: this tick shard pushed to `shard/tick-0826z-...` branch. Pure-git tier active; 2 shard PRs queued for post-reset opening (0816Z + 0826Z).

Counter cycle: this tick is concrete-artifact (condition #3); brief-ack #1 of new cycle closes cleanly.

End of tick.
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