diff --git a/agents/webby/work/queue-290/REVIEW.md b/agents/webby/work/queue-290/REVIEW.md
index e3028d340..d9feef407 100644
--- a/agents/webby/work/queue-290/REVIEW.md
+++ b/agents/webby/work/queue-290/REVIEW.md
@@ -66,3 +66,19 @@ sha256 b3b00732f2b5e9c87ad86caa94caf98fe222da8a15aa85abbea15b8fa9fa4e55, recompu
 the colour section (moved under "Your playground"), the agent-notes paragraph (own name, notices exempt)
 and the `requireCitation` row. No co-author line. N1-N3 are met. Louie reports Sage's ruling that 290
 waits on 217, 218, PRD 1.16 and 285, which covers N5. A rebase brings a drift check and a fresh look.
+
+## Round 4 on 22510988d (rebase onto 963303403): APPROVE carries
+
+Static only, git and sha256sum. I ran nothing.
+
+- `docs/case2/SETUP-SHEET.md` at 22510988dfe0f0d6b5a7c4c9e232fb67c4b251e3 hashes to
+  b3b00732f2b5e9c87ad86caa94caf98fe222da8a15aa85abbea15b8fa9fa4e55, the round 3 blob. The file's
+  text is unchanged from 42b75e484.
+- 963303403..22510988d touches only that file, in four commits, none with a co-author line. 963303403
+  is on origin/refactor, one commit behind the tip, and nothing since the base touches the sheet.
+- The C2-12b brief section hashes the same at every commit since 136e5c1ca, where it first
+  appears, through 5e8a720bc (the re-pinned blob). I reviewed rounds 1-3 against the same text.
+- Louie's checks hold. broker.mjs:5341 destructures `requireCitation` and `citationsPerReply`, the
+  names the sheet uses at :102-103. The Gate grep over 'packages/*/tests/*' and 'scripts/test-*.sh'
+  for SETUP-SHEET returns nothing (rc 1).
+- N5 is closed. Rows 217, 218, 285 and 291 are all `done` in queue.json at origin/refactor.
diff --git a/docs/SESSIONS.md b/docs/SESSIONS.md
index abfa017f1..0971dc2d8 100644
--- a/docs/SESSIONS.md
+++ b/docs/SESSIONS.md
@@ -1545,3 +1545,4 @@ are never rewritten or removed; corrections are new entries.
 2026-10-24T10:28Z | Webby (Opus 5.5, reviewer seat) | row 217 r2 follow-up on 96659ccf4 (tested source equals tip, runtime fixture fix matches limits-runtime shape) | agents/webby/work/queue-217/EARLY-LOOK-c25f5b8da.md; nothing run
 2026-10-24T10:34Z | Webby (Opus 5.5, reviewer seat) | row 217 manifest round 1 on 96659ccf4 (APPROVE, 80-path manifest a89e6e1b verified) | agents/webby/work/queue-217/REVIEW-manifest-96659ccf4.md; nothing run
 2026-10-24T13:17Z | Webby (Opus 5.5, reviewer seat) | row 285 landing review on 2e4503dc7 (C2-08b, #1790) | APPROVE; manifest 891/891, M10-M15 receipts read, N1-N4; nothing run
+2026-10-24T14:52Z | Webby (Opus 5.5, reviewer seat) | row 290 drift check on 22510988d (C2-12b, #1795) | APPROVE carries; sheet blob = round 3, brief section unchanged, After rows done; nothing run