From ef705200421a5c5307ef8629e88f8be590066c9a Mon Sep 17 00:00:00 2001
From: Aaron Stainback <aaron_bond@yahoo.com>
Date: Mon, 18 May 2026 18:32:31 -0400
Subject: [PATCH] shard(2231Z-c): brief-ack #1 named-dep; post-substantive
 quiet phase after #4231 (Mika part-2 + PERSONAL INVARIANT rule)

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 .../ticks/2026/05/18/2231Z-c.md               | 23 +++++++++++++++++++
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 create mode 100644 docs/hygiene-history/ticks/2026/05/18/2231Z-c.md

diff --git a/docs/hygiene-history/ticks/2026/05/18/2231Z-c.md b/docs/hygiene-history/ticks/2026/05/18/2231Z-c.md
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+| 2026-05-18T22:31Z | opus-4-7 / autonomous-loop | de1e7f5d | brief-ack #1 named-dep: #4231 (Mika part-2 + PERSONAL INVARIANT rule) + #4221 + #4218 CI wait | -- | post-substantive quiet phase |
+
+# Tick 2231Z-c — 2026-05-18
+
+## Refresh
+
+- graphql 3322; reset in 2 min (about to refresh)
+- main `c5e23cc`
+- #4231 (Mika part-2 archive + PERSONAL INVARIANT rule): OPEN MERGEABLE, 24 checks in progress, 0 failed, armed at 22:30:55Z
+- #4221 (2153Z-c), #4218 (2142Z): older mine still open
+- #4230 (peer Otto-CLI 2213Z+2217Z substantive shards): not mine
+
+## Counter
+
+Brief-ack #1 named-dep. Quiet phase post-substantive landing.
+
+## CronList
+
+de1e7f5d alive.
+
+## Visibility-stop
+
+End of tick.