docs: design-dev accepted the SVOS retrofit — the /vor-ui brief is declined, and why

The ROADMAP row requiring a /vor-ui brief predates the IA doc. With that doc,
the landed templates and the seven handoff constraints, a /vor-ui pass would
have cost the operator a serial Q&A to re-derive IA already measured. design-dev
made that argument and it is better than the row it overrides.

Also settles: we merge and restart; he works against a copy, never :8090; the
concept round goes to the operator; webfonts by CDN link with display=swap,
because the CDN-free property turned out to be accreted rather than an
invariant (checked CLAUDE.md, the non-goals and the IA doc).

Corrects a memory defect in the same commit: a postbox send note is a
point-in-time snapshot and one was promoted into persistent memory as a durable
fact about a handle's delivery mode. It was wrong within the hour.

persistent-memory.md

@@ -38,10 +38,15 @@ _As of 2026-09-22:_
   until now — `scripts/booth` executes it before every one of the documented
   three. Now covered by `test_stdlib_only`. Same detail file carries why
   `importlib.metadata` is the WRONG version source in this repo.
-- 🔶 **SVOS design-system retrofit HANDED OFF to `design-dev`** (althing thread
+- 🔶 **SVOS design-system retrofit ACCEPTED by `design-dev`** (althing thread
   `01M369321KNBPZ7FYDQGZG7AXP`). We own the IA; he owns the visual and
-  interaction system. ⚠ He is **PULL-ONLY, last read 2026-09-21T18:44Z** — the
-  message is QUEUED, not picked up. Silence is not a decision.
+  interaction system. He declined a `/vor-ui` brief — the IA doc plus the seven
+  constraints already are one. He works on `svos-retheme` in his own clone
+  against a COPY of `~/booth-data`; **we merge and restart**, he never touches
+  `:8090`. A concept round goes to the OPERATOR before any fixup.
+- ⚠ **A `postbox send` note is a point-in-time snapshot, NOT a durable fact.**
+  The send said `design-dev: pull-only`; `postbox handles` says `push
+  reachable`, and he replied in-session. Read the mode from `postbox handles`.
 - ⚠ **U7'S CONTRACT CARRIED A MEASUREMENT THAT DID NOT REPRODUCE**, and it was
   the number the scope departure rested on. The stated rule gives 24 and 27
   groups where the table claimed 5 and 1; the table was assembled from two