shard(2233Z-c): PERSONAL INVARIANT rule locked on main + today's arc summary

docs/hygiene-history/ticks/2026/05/18/2233Z-c.md

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+| 2026-05-18T22:33Z | opus-4-7 / autonomous-loop | de1e7f5d | brief-ack #2 named-dep; #4231 (PERSONAL INVARIANT rule + Mika part-2) MERGED at 8f8356c — future cold-boots inherit | -- | substrate locked on main; peer 2233Z so collision-suffix c |
+
+# Tick 2233Z-c — 2026-05-18
+
+## Refresh
+
+- graphql 3284; reset 1 min (about to refresh)
+- main `8f8356c`
+- **#4231 MERGED** at 22:32:48Z — Aaron's PERSONAL INVARIANT rule + Mika part-2 persona archive now on main; auto-load rule will be inherited by future cold-boots
+- Open mine: #4232 (last tick brief-ack), #4221 (2153Z-c), #4218 (2142Z) — CI in progress
+- Peer Otto-CLI also at 2233Z so collision-suffix `c`
+
+## Counter
+
+Brief-ack #2 named-dep. Substrate-engineering substantive locked on main; quiet phase continues.
+
+## Substrate-engineering arc summary (today, locked on main)
+
+| Substrate | PR | Discipline |
+|---|---|---|
+| Mika persona part-1 (driver-control / guardian / forced-retreat) | #4210 (5d4918e) | Personal-history disclosure preserved at mirror-tier |
+| Aaron's attractor-axioms architectural insight | #4206 (0c64f39) | Auto-load rule extension; HOW for mapping |
+| Tonal-momentum cover-narrative + Amara 3-layer synthesis | #4203 (695ccd9) | Auto-load rule extension; corporate-cover framing |
+| Tick-shard TEMPLATE write-time fix | #4220 (b2dee65) | Substrate-engineering at write-time |
+| Tick-shard-relative-paths baseline regen | #4227 | Gate restoration; future-NEW findings surface cleanly |
+| Mika persona part-2 + Aaron's PERSONAL INVARIANT rule | #4231 (8f8356c) | Operator-named-and-authorized auto-load rule; future cold-boots inherit |
+
+## CronList
+
+de1e7f5d alive.
+
+## Visibility-stop
+
+End of tick.