diff --git a/docs/plans/2026-09-06-campaign-vt-vtank-oracle.md b/docs/plans/2026-09-06-campaign-vt-vtank-oracle.md
index 4a2365f1..b499abad 100644
--- a/docs/plans/2026-09-06-campaign-vt-vtank-oracle.md
+++ b/docs/plans/2026-09-06-campaign-vt-vtank-oracle.md
@@ -78,8 +78,7 @@ everything else lands on them). Re-judge the 2026-09-06 arbitration commit
 (`c406942ef`) against 02.
 
 ### VT3+ — Implementation slices
-Each slice: plan (Fable) → implement (Sonnet, one agent per worktree) → review
-(Opus, parity lens against the catalog + architecture lens) → owner gate.
+Each slice: plan (Fable) → implement (**Opus for behavior ports from the decompile/catalog; Sonnet for plumbing** — process revised with the owner 2026-09-07 after slice 1 needed 3 fix rounds and slice 7 seven, half of them Sonnet fidelity misreads) → **owner live look first for anything visible** → **one Opus review carrying both lenses** (two separate lenses only for a port slice's first review) → fix round (Sonnet) → merge → owner gate.
 Linux-clean by construction; the Ubuntu CI closure runs the MossTank tests.
 
 ## Ledger