{
  "id": "installation_validation_gate",
  "label": "Installation Validation Gate Canonical",
  "phase": "phase-12",
  "category": "bootstrap_security_runtime_installation",
  "status": "ACTIVE_DH_MIRROR",
  "purpose": "Installation Validation Gate Canonical is the Phase 12 authority that decides whether the whole server-preparation chain can be promoted as a verified YEFF AI v1 runtime candidate.",
  "function": "Consolidate hardening, access, firewall, storage, database, container substrate, installation plan and registration evidence into one PASS/FAIL/MISSING decision before any later backup, monitoring, fleet or product-readiness claim may depend on the server.",
  "technology_requirements": [
    {
      "technology": "Installation Validation Gate",
      "required_for": "Installation Validation Gate Canonical is the Phase 12 authority that decides whether the whole server-preparation chain can be promoted as a verified YEFF AI v1 runtime candidate.",
      "required_by_phase": "phase-12",
      "required_by_category": "installation_validation_gate",
      "required_by_buckets": [
        "Prerequisites",
        "Installation",
        "Configuration",
        "Validation",
        "Observable Evidence",
        "Failure Modes & Recovery",
        "Completion & Promotion"
      ],
      "expected_version": "MISSING until Installation Validation Gate is implemented and validated in the future Execution & Monitoring Panel",
      "validation_command": "MISSING until installation_validation_gate can prove scope, evidence, execution state and promotion decision",
      "evidence_path": "/home/yeff/public_html/devon/canon/execution/state/dh_sources/installation_validation_gate.json",
      "status_source": "Documentation Hub + future Execution & Monitoring Panel",
      "blocking_if_missing": true,
      "failure_impact": "If this gate fails, Devon must not let later phases treat the server as a runtime candidate. The correct state is explicit blockage, not optimistic continuation."
    }
  ],
  "depends_on": [],
  "used_by": [],
  "overview": {
    "summary": "Installation Validation Gate Canonical is the Phase 12 authority that decides whether the whole server-preparation chain can be promoted as a verified YEFF AI v1 runtime candidate.",
    "function": "FUNCTION: Consolidate hardening, access, firewall, storage, database, container substrate, installation plan and registration evidence into one PASS/FAIL/MISSING decision before any later backup, monitoring, fleet or product-readiness claim may depend on the server.",
    "system_position": "This is the closing gate of Phase 12. It does not add another installation task; it judges whether the previous tasks form a coherent evidence chain. The exclusive risk here is partial success being promoted as readiness. The server can pass several categories and still fail this gate if identities, evidence freshness or blockers do not line up.",
    "failure_impact": "If this gate fails, Devon must not let later phases treat the server as a runtime candidate. The correct state is explicit blockage, not optimistic continuation."
  },
  "failure_impact": "If this gate fails, Devon must not let later phases treat the server as a runtime candidate. The correct state is explicit blockage, not optimistic continuation."
}