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Console Counters Prep — PREP-EXCITITOR-CONSOLE-23-002-DEPENDS-ON-23-001

Status: Draft (2025-11-20) Owners: Excititor WebService Guild Scope: Define the counter surfaces required for console delta cards, pending the /console/vex contract.

Inputs still pending

  • Final /console/vex contract (23-001) including status buckets and justification categories.
  • Source-of-truth metrics/telemetry names from Policy Engine overlays (POLICY-ENGINE-30-001 once available).

Proposed counter contract (to validate once 23-001 lands)

  • Endpoint: GET /console/vex/counters?tenant_id=&component_purl=&advisory_id=&since=
  • Response fields:
    • total, affected, not_affected, under_investigation, mitigated, unknown
    • delta_since (ISO-8601) and window_seconds
    • evidence_refs[] (DSSE hashes or linkset ids) optional
  • Metrics to emit:
    • Gauge console_vex_active_total{tenant,status}
    • Counter console_vex_delta_total{tenant,status} with delta_since label
  • Determinism: counters computed from immutable materialized views keyed by (tenant, advisory_id, component_purl); avoid wall-clock beyond since parameter.

Handoff

Treat this as the prep artefact for PREP-EXCITITOR-CONSOLE-23-002-DEPENDS-ON-23-001. Update once status buckets are frozen in 23-001 and Policy metrics are published; then finalize endpoints and samples.