Jon Chery ed91d68fbf feat(P10): observability expansion — metrics + security headers (REQ-159) ...

New metrics:
- orca_jobs_running / orca_jobs_failed / orca_jobs_complete (gauges)
- orca_audit_chain_head (gauge, chain integrity)
- orca_drift_events_total, orca_ssh_errors_total (counters)
- orca_txn_apply_total, orca_txn_rollback_total (counters)
- orca_acl_denials_total (counter)

Security headers on metrics + healthz endpoints:
- X-Content-Type-Options: nosniff
- X-Frame-Options: DENY

New file: docs/metrics.md (Prometheus reference + scrape config)

---ci---
project: orca
phase: 10
milestone: v0.13
status: complete
requirements:
  covered: [159]
---/ci---

2026-08-10 13:44:04 +00:00

..

cli.md

docs(P02): CLI reference + jobspec reference + ingress guide

2026-08-05 20:57:05 +00:00

docker.md

feat(P03): docker release — multi-stage Dockerfile + Gitea container registry publish

2026-08-03 18:52:36 +00:00

ingress.md

docs(P02): CLI reference + jobspec reference + ingress guide

2026-08-05 20:57:05 +00:00

install.md

feat(P02): install.sh 1-liner + in-place update + README quickstart

2026-08-03 18:49:50 +00:00

jobspec.md

docs(P02): CLI reference + jobspec reference + ingress guide

2026-08-05 20:57:05 +00:00

metrics.md

feat(P10): observability expansion — metrics + security headers (REQ-159)

2026-08-10 13:44:04 +00:00

namespace.md

docs(P04): README refresh + namespace.md v0.9 layout update

2026-08-05 21:00:46 +00:00

oidc.md

docs(P27): zero-trust + OIDC + WebAuthn + threat-model docs (REQ-142)

2026-08-07 11:33:58 +00:00

security-runbook.md

docs(P27): zero-trust + OIDC + WebAuthn + threat-model docs (REQ-142)

2026-08-07 11:33:58 +00:00

security-scanning.md

docs(milestone): complete scheduling-streaming (v0.3)

2026-08-01 20:06:47 +00:00

threat-model.md

docs(P27): zero-trust + OIDC + WebAuthn + threat-model docs (REQ-142)

2026-08-07 11:33:58 +00:00

webauthn.md

docs(P27): zero-trust + OIDC + WebAuthn + threat-model docs (REQ-142)

2026-08-07 11:33:58 +00:00