ops: complete host-operator ramp-up on railiance01 (WP-0009 T10)

Live observe session verified SSH access, captured baseline and Critical
health/load findings (memory pressure, k3s API unavailable). RU checklist
closed; engagement phase operating; schedule enabled; no privileged changes.

engagements/pilots/eng-coulomb-railiance01-ho-001/reports/2026-07-16-deep-assessment.md

@@ -0,0 +1,13 @@
+# Session report — eng-coulomb-railiance01-ho-001
+
+- **Date:** 2026-07-16
+- **Duty:** deep_assessment
+- **Targets:** railiance01
+- **Outcome:** success
+- **Phase:** operating
+
+## Summary
+
+T10 ramp-up complete: Critical memory/load, k3s API unavailable, RU all done, phase operating
+
+_Billing metadata only in commercial/ledger.jsonl; no secrets in this report._