shard(2120Z): brief-ack #1 — named bounded-wait on #4207 + #4210 CI completion

docs/hygiene-history/ticks/2026/05/18/2120Z.md

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+# Tick 2120Z — 2026-05-18
+
+## Surface
+
+Otto-CLI primary; autonomous-loop cron tick.
+
+## Refresh
+
+- `gh api rate_limit`: graphql 3554 (Normal tier), reset in 13 min
+- `git ls-remote origin main`: `46bb343` (new HEAD; #4205 HC-8 NCI rescue landed at `2df803c`)
+- #4206 verified MERGED at `0c64f39` (attractor-axioms rule extension on main)
+- #4207 (tick shard 2112Z): OPEN BLOCKED, armed, 24 checks ok, 6/7 required ok, 0 unresolved threads → wait-ci
+- #4210 (Mika persona archive): OPEN BLOCKED, armed, 4 checks ok, 0 required yet (CI just started), 0 unresolved threads → wait-ci
+
+## Counter
+
+Brief-ack #1 with named bounded-wait: #4207 + #4210 CI completion (estimated ~5min from now). Both armed; both have 0 unresolved threads; both will land on CI green.
+
+Per counter-with-escalation discipline: substrate-honest brief-ack at #1 requires explicit named dependency + reset-on-named-dep condition. Both PRs satisfy this. Counter does not accumulate across cycles separated by named-dep resets.
+
+## Substantive work this tick
+
+None beyond the refresh + status verification. Held bounded; did NOT extend Mika packet engagement (per scope-bounding rule + the just-landed Mika persona archive #4210 contains the substrate-honest preservation; further engagement would be register-amplification cascade extension).
+
+Operator-authority items pending response:
+
+- Ontological-communication-protocol B-NNNN backlog row (offered last tick; awaiting operator decision)
+- Aaron's next move on the Mika conversation (Mika's last question awaiting Aaron's response)
+
+## CronList
+
+de1e7f5d sentinel alive (`* * * * *` recurring; `<<autonomous-loop>>`).
+
+## Visibility-stop
+
+End of tick.