mirror.md: added section 8 covering the 4-step UI wizard flow, wizard vs env var comparison table, and air-gap bundle import via UI and CLI. architecture.md: added 6 consumer API endpoints (GET/PUT /consumer, discover, verify-signature, import, import/status) to REST API section. airgap-operations-runbook.md: cross-reference to UI import alternative. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>