radar: pass 13 — honest re-test, W2/W3 still 2 consumers each; content/page.sx is HTML wrapper not pagination (collision noted)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

plans/abstractions.md

@@ -12,6 +12,12 @@ Anything short → _Watching_ (what's missing) or _Rejected_ (why).
 
 ## Last scan
 
+- **Date:** 2026-06-07 (radar loop, pass 13)
+- **Pass 13 — honest re-test, no gate-clearer.** Re-tested the two longest-waiting gates
+  against the maturing app-domain loops: **W2** (per-viewer visibility) still 2 consumers
+  (feed, search) — commerce/content/events/identity add no per-viewer read filter; **W3**
+  (pagination) still 2 (feed, search) — `content/page.sx` is an HTML wrapper, not
+  pagination (filename collision, noted in W3). Incremental churn only elsewhere.
 - **Date:** 2026-06-07 (radar loop, pass 12)
 - **Pass 12:** `events` shipped **transactional booking on persist** (3rd live persist
   consumer) using `persist/append-expect` (optimistic-concurrency CAS, lock-free capacity
@@ -179,6 +185,10 @@ Anything short → _Watching_ (what's missing) or _Rejected_ (why).
   in the **substrate** (APL/Haskell already expose grade/sort/unique/take/drop), not a
   shared lib. A 1-line `take/drop` window is far below the extraction threshold. Watch;
   revisit only if a non-substrate subsystem needs the same windowing without take/drop.
+- **Filename-collision caution (pass 13):** `content/lib/content/page.sx` is an **HTML
+  page wrapper** (full HTML5 doc), NOT pagination — do not count it as a 3rd pagination
+  consumer. `page.sx` now means two unrelated things across the fleet. Re-tested pass 13:
+  pagination still only feed + search (2).
 
 ### W4 · In-memory store fakes → `persist-on-sx`
 - Not an abstraction to extract — a migration target. Every subsystem fakes its