Record Rocko's row147 mutants/rebase/review and row153 build, 342 passing package tests, eight killed mutants and review request. Also carries existing appended SESSIONS lines, named per sage-0412: Dewey 2026-10-15 23:18:47Z (row146/136), 23:52:18Z (row136), and 2026-10-16 00:19:13 UTC (row151); Researcher 2026-10-15 23:36:11Z (row142). Preserve these concurrent append-only entries unchanged.