docs: ADR-007 and FDA playbook; finish WP-0009 (T11)

Absorb railiance01 pilot supplier notes into the forward-deployed engagement
playbook, accept ADR-007 elevating DEC-FDA-001, promote architecture and
business model to v1.0, and mark KAIZEN-WP-0009 finished.

docs/decisions/DEC-FDA-001-working-defaults.md

@@ -1,8 +1,8 @@
 # DEC-FDA-001 — Forward-deployed agency working defaults
 
-**Status:** accepted (working default; sponsor may override)
+**Status:** accepted — elevated into [ADR-007](../adr/ADR-007-forward-deployed-engagement-convention.md)
 **Date:** 2026-07-16
-**Workplan:** KAIZEN-WP-0009-T02
+**Workplan:** KAIZEN-WP-0009-T02 / T11
 **Deciders:** kaizen-agentic (implementation default for Phase 1 pilot)
 
 ## Context
@@ -70,6 +70,10 @@ Observe-class work does not.
 - Architecture and business model docs promote to **v0.2 (working accepted)**
 - ADR-007 may later elevate these defaults to fleet convention (T11)
 
+## Elevation
+
+T11 promoted these defaults into ADR-007. Amend ADR-007 for future changes.
+
 ## Related
 
 - [forward-deployed-engagement-architecture.md](../forward-deployed-engagement-architecture.md)