docs(verisim-modular-experiment): mark 6→8 regen foldback APPLIED

Main list at lines 63-72 of federation-readiness.adoc was already 8 from
prior session. This session updated stale 'six' references at lines 114
(Readiness Matrix row) and 157 (Phase 2 roadmap bullet). Federation-
readiness doc is now internally consistent across all references.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

verisim-modular-experiment/docs/FOLDBACK.adoc

@@ -42,7 +42,7 @@ formulation when combined with the existing `d(·,⊥)=0` convention.
 
 * `arcvix-octad-data-model.tex` — new `\begin{remark}` block at §4.2
 
-== Normalizer regeneration strategies need 8, not 6 (NOT YET APPLIED)
+== Normalizer regeneration strategies need 8, not 6 (APPLIED 2026-04-05)
 
 *Finding:* `federation-readiness.adoc` section "Normalizer Regeneration
 Strategies Are Stubs" lists 6 regeneration strategies (Graph, Vector,
@@ -51,9 +51,16 @@ for Provenance (re-construct hash chain from transformation history)
 and Spatial (re-extract coordinates from document + graph geographic
 references).
 
-*Suggested action:* add the two missing entries, specify their
-regeneration sources (which authoritative modalities they can be
-regenerated from).
+*Applied:* The primary list at lines 63-72 was already updated to 8
+entries in a prior session (part of the "6→8 modalities" foldback).
+This session updated the remaining stale references at lines 114
+("Six modality-specific strategies needed" → "Eight") and 157
+("all six modalities" → "all eight modalities" with explicit shape
+enumeration). Federation-readiness doc is now internally consistent.
+
+*Files affected:*
+
+* `verisimdb/docs/federation-readiness.adoc` — lines 114, 157 updated
 
 == Federation contract formalisation (from Phase 2 — pending experiment completion)