docs(explainme): improve completeness per README-EXPLAINME-STANDARD

Add :toc: preamble and :icons: font attributes. Add dogfooding table
(7 rows) mapping estate-wide mandates to live code examples across
gossamer, burble, hypatia, typed-wasm and 300+ downstream repos.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: hyperpolymath

EXPLAINME.adoc

@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: PMPL-1.0-or-later
 
 = Hyperpolymath Standards — EXPLAINME
+:toc: preamble
+:icons: font
 
 == Canonical source for policies, templates, and specifications
 
@@ -112,6 +114,43 @@ See link:README.adoc[] for the full directory map and specification list.
 | **Total** | | **160+**
 |===
 
+=== Dogfooded Across The Account
+
+The patterns mandated here are applied everywhere — not prescribed then ignored:
+
+[cols="1,2,2", options="header"]
+|===
+| Standard | Where Mandated | Live Examples
+
+| A2ML machine-readable metadata
+| link:a2ml/[a2ml/] spec (7 formats)
+| Every RSR repo's `.machine_readable/`; link:meta-a2ml/[meta-a2ml] spec + IANA draft
+
+| SHA-pinned GitHub Actions
+| link:.github/workflows/workflow-linter.yml[workflow-linter.yml] CI gate
+| All 23 workflows in `.github/workflows/` pin by SHA; enforced in >300 downstream repos
+
+| Contractile / K9 enforcement
+| link:contractiles/CANONICAL-TEMPLATES.adoc[contractiles/] + link:k9-svc/[k9-svc/]
+| hypatia, gossamer, burble, proven, proven-servers (105+ repos carry k9 guards)
+
+| Groove inter-service protocol
+| link:groove-protocol/[groove-protocol/] spec
+| gossamer (src/core/Groove.eph), burble (bridges), hypatia (dispatch connectors)
+
+| Idris2 ABI + Zig FFI standard
+| link:ABI-FFI-README.md[ABI-FFI-README.md] + rsr-template-repo reference
+| ephapax (idris2/), gossamer (src/interface/abi/), burble (src/Burble/ABI/), verisimdb, typed-wasm
+
+| Guix-first package management
+| CCCP language policy (CLAUDE.md)
+| guix.scm at root; flake.nix as fallback — both present in this repo
+
+| PMPL-1.0-or-later licence
+| link:palimpsest-license/[palimpsest-license/] + licence policy
+| SPDX header on every source file estate-wide; link:LICENSE[LICENSE] here
+|===
+
 === Roadmap Phases
 
 * **Phase A (Innervation):** Wire k9 coordination across all repos, replace static 6a2 files with derived STATE.