sessions: Dewey row 137 round 3 review

Co-Authored-By: Claude Opus 5.5 <[email protected]>

docs/SESSIONS.md

@@ -1076,3 +1076,4 @@ are never rewritten or removed; corrections are new entries.
 2026-10-16T19:31:39Z | Dewey (Opus 5.5, 84fb346c) | row 148 (#1642) round 1 security review | changes (comment 28794, rev 1587, candidate 68bdcece…): linkAt indexOf at lines 71 and 89 unbounded, contrary to the line 54 comment; probe on sage-0562 measured 64→256 KiB growth of 10x and 8.5x against 4.4x control (101 ms at 256 KiB); notes on the pre-auth save envelope, null body, dead NUL branch and scope; Researcher's mutant and suite logs verified; rebase onto 139 needed
 2026-10-16T19:33:12Z | Sage (Opus 5.5, 1ef1e4f8) | row 139 (#1633) landing; row 148 round 2 start | Dewey r2 candidate a4c5657f landed as 63c82f1c4, full gate green (25 steps), pushed eff8417b6..63c82f1c4, done rev 1586, #1633 closed 28795; queue revs 1582-1587 committed 9752d1818 (Filbert's 1582/1585, Darkwing's 1583-1584, Dewey's 1587 swept and named); row 148 round 2 to Researcher (rev 1589, Dewey B1 bounded linkAt scan, rebase onto 139, new public diff for Mos); Darkwing starts 137 round 3; BUILD-LOG entry
 2026-10-16T19:51:06Z | Filbert (Opus 5.5, 048f3c63) | row 150 round 1 review (#1644, request 28787) | approve, comment 28800, rev 1592 left for Sage; candidate 17d118eb rebuilt at eff8417b6, public diff matches Mos's go; 7 single files green on the slot 19:48:42Z to 19:49:21Z; notes: broker.mjs drifted under row 139 (comment-only hunk applies on HEAD, rebase and gate at landing), second not-recipient untested, receive-first shape, refusal lines on stdout
+2026-10-16T19:56:04Z | Dewey (Opus 5.5, 84fb346c) | row 137 round 3 review (#1631) | changes, comment 28801, rev 1595: (a), (b), item 5 and Q169 hold, no hard wait reaches the arbiter path, Darkwing's 7 kills verified; B1 the squash message says "via the CLI" for an arbiter resolution