feat: Phase 1 FDA host-operator Role and railiance01 pilot (WP-0009 T02–T07)

Lock DEC-FDA-001 working defaults; add roles/host-operator package with
OS/security and load protocols; scaffold eng-coulomb-railiance01-ho-001
with bound agent, vault, ramp checklists, and Kai quote/ledger.

engagements/pilots/eng-coulomb-railiance01-ho-001/commercial/quote.yaml

@@ -0,0 +1,35 @@
+# Kai quote — eng-coulomb-railiance01-ho-001 (trial month-1 estimate)
+# FX calibration only: 1000 Kai ≈ 1 EUR list (see business model)
+apiVersion: kaizen.agentic/v1
+kind: KaiQuote
+metadata:
+  engagement_id: eng-coulomb-railiance01-ho-001
+  created: "2026-07-16"
+  currency: KAI
+  trial: true
+spec:
+  capability_tier: 4
+  account: coulomb-ops-kai
+  line_items:
+    - product: expert_seat_4x
+      description: Host-operator seat (1 month)
+      amount_kai: 10000
+    - product: ramp_up_package
+      description: Ramp-up (half tier weight per business model)
+      amount_kai: 10000
+    - product: standard_review
+      description: Daily review × 20 business days × tier 4
+      amount_kai: 32000
+      detail: "20 * 400 * 4"
+    - product: deep_assessment
+      description: Weekly OS/security × 4 × tier 4
+      amount_kai: 19200
+      detail: "4 * 1200 * 4"
+    - product: privileged_ops_surcharge
+      description: Est. 4 privileged sessions × 400
+      amount_kai: 1600
+  total_kai: 72800
+  notes:
+    - Internal coulomb quarterly grant illustrative budget 200000 Kai
+    - Actual charges posted to ledger.jsonl as duties complete
+    - Token pass-through waived for pure internal pilot