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Agent #21 — Senior DevOps / SRE Engineer

Reports to: Agent #5. Mandate: Owns VPS infrastructure on 104.207.143.14, production Postgres + Redis + Caddy + app stack, deploy pipeline, observability. KPIs: see role 21 in ../03-team.md.

Week 1 (2026-05-25 → 2026-05-29)​

A21-W1-Mon (2026-05-25) — Pair with Agent #22 on C-001 (pre-commit hook + CI mirror)

  • Done when: hook + CI mirror specced.
  • Output: contribution to .husky/pre-commit + .github/workflows/ci.yml step.
  • Verify: hook design reviewed.
  • Reviewer: Agent #5.
  • Depends on: A05-W1-Mon.

A21-W1-Tue (2026-05-26) — Production observability inventory

  • Done when: existing telemetry surfaces inventoried + sinks identified.
  • Output: contribution to docs/team/infra/observability-inventory.md.
  • Verify: covers Winston, Caddy, Postgres, Docker.
  • Reviewer: Agent #5.
  • Depends on: A21-W1-Mon.

A21-W1-Wed (2026-05-27) — Review C-001 implementation

  • Done when: PR reviewed; CI mirror step pre-commit-mirror green.
  • Output: PR comment.
  • Verify: hook + mirror enforce all 7 gates.
  • Reviewer: Agent #5.
  • Depends on: A21-W1-Tue.

A21-W1-Thu (2026-05-28) — Deploy pipeline audit

  • Done when: deploy.yml reviewed step-by-step; risk areas listed.
  • Output: docs/team/infra/deploy-pipeline-audit-w1.md.
  • Verify: each step has reviewer note.
  • Reviewer: Agent #5.
  • Depends on: A21-W1-Wed.

A21-W1-Fri (2026-05-29) — Status post + secret-rotation calendar contribution

  • Done when: rotation entries scheduled.
  • Output: contribution to docs/team/infra/secret-rotation-calendar.md.
  • Verify: 5 categories × 4 quarterly entries each.
  • Reviewer: Agent #12.
  • Depends on: A21-W1-Thu.

Week 2 (2026-06-01 → 2026-06-05)​

A21-W2-Mon (2026-06-01) — Anchor-job cron implementation (C-015)

  • Done when: → C-015 PR opened; cron + alert wiring implemented.
  • Output: src/services/anchor-job.ts.
  • Verify: tests/anchor-job.test.ts::"computes terminal hash and submits to AuditAnchor contract" green.
  • Reviewer: Agents #8, #25.
  • Depends on: A21-W1-Fri.

A21-W2-Tue (2026-06-02) — Pair with Agent #22 on metric pipeline scaffolding

  • Done when: Prometheus + Grafana (or equivalent) deployed in test env.
  • Output: docs/team/infra/metric-pipeline-bootstrap.md.
  • Verify: minimum 3 metrics flowing.
  • Reviewer: Agent #5.
  • Depends on: A21-W2-Mon.

A21-W2-Wed (2026-06-03) — Anchor-job cron deploy to test env

  • Done when: cron live in test env; first 24 h of anchor data flowing.
  • Output: deploy log.
  • Verify: audit_anchors table populating daily.
  • Reviewer: Agent #5.
  • Depends on: A21-W2-Tue.

A21-W2-Thu (2026-06-04) — Review C-025 (Postgres session store) — infra impact

  • Done when: PR reviewed; Postgres connection-pool sizing confirmed.
  • Output: PR comment on C-025.
  • Verify: pool size + connection-leak monitor configured.
  • Reviewer: Agent #7.
  • Depends on: A21-W2-Wed.

A21-W2-Fri (2026-06-05) — Phase 0 infra sign-off + status post

  • Done when: anchor-job cron live; metric pipeline bootstrapped; deploy pipeline audit closed.
  • Output: contribution to docs/team/phase-exits/phase-0-infra-signoff.md.
  • Verify: each item verified.
  • Reviewer: Agent #5.
  • Depends on: A21-W2-Thu.

Week 3 (2026-06-08 → 2026-06-12)​

A21-W3-Mon (2026-06-08) — Metric dashboards live in test env

  • Done when: verifier-latency + audit-write-lag + anchor-lag panels live.
  • Output: dashboard URLs in docs/team/infra/grafana-dashboards.md.
  • Verify: panels populated.
  • Reviewer: Agent #5.
  • Depends on: A21-W2-Fri.

A21-W3-Tue (2026-06-09) — Physical-device-farm CI runner PoC

  • Done when: 1 vendor (e.g., Firebase Test Lab) configured for instrumented test execution.
  • Output: docs/team/infra/device-farm-poc.md.
  • Verify: 1 instrumented test runs successfully.
  • Reviewer: Agents #4, #5, #24.
  • Depends on: A21-W3-Mon.

A21-W3-Wed (2026-06-10) — Cross-line architecture sync attendance

  • Done when: sync attended.
  • Output: sync notes contribution.
  • Verify: notes published.
  • Reviewer: Agent #5.
  • Depends on: A21-W3-Tue.

A21-W3-Thu (2026-06-11) — Load-test infra bootstrap (precursor C-191)

  • Done when: k6 runner deployed in test env; smoke run 10 RPS for 60 s.
  • Output: contribution to docs/team/infra/load-test-bootstrap.md.
  • Verify: smoke green.
  • Reviewer: Agent #23.
  • Depends on: A21-W3-Wed.

A21-W3-Fri (2026-06-12) — Status post + on-call rotation v0

  • Done when: on-call rota for sprint 1 + 2 set up; PagerDuty (or equivalent) wired to severity-1 alerts.
  • Output: docs/operations/on-call-rota.md.
  • Verify: rota covers 24/7.
  • Reviewer: Agent #5.
  • Depends on: A21-W3-Thu.

Week 4 (2026-06-15 → 2026-06-19)​

A21-W4-Mon (2026-06-15) — Incident-response runbook contribution (with Agent #5)

  • Done when: runbook covers severity grid + escalation tree.
  • Output: contribution to docs/operations/incident-response-runbook.md.
  • Verify: cross-references 06-ways-of-working.md.
  • Reviewer: Agent #5.
  • Depends on: A21-W3-Fri.

A21-W4-Tue (2026-06-16) — Test deploy on staging

  • Done when: staging deploy executed; rollback dry run completed.
  • Output: contribution to docs/team/infra/staging-deploy-2026-06-16.md.
  • Verify: rollback successful; MTTD captured.
  • Reviewer: Agent #5.
  • Depends on: A21-W4-Mon.

A21-W4-Wed (2026-06-17) — Observability finalised

  • Done when: 3 production-quality dashboards live with 7-day backfill.
  • Output: dashboard URLs.
  • Verify: each dashboard has expected metrics.
  • Reviewer: Agent #5.
  • Depends on: A21-W4-Tue.

A21-W4-Thu (2026-06-18) — Sprint 1 infra sign-off

  • Done when: infra section of S1 exit gate green.
  • Output: row in S1 exit doc.
  • Verify: anchor-job + dashboards + device farm PoC all complete.
  • Reviewer: Agent #5.
  • Depends on: A21-W4-Wed.

A21-W4-Fri (2026-06-19) — Sprint 2 self-plan + status post

  • Done when: sprint-2 daily tickets drafted.
  • Output: docs/team/infra/a21-sprint-2-plan.md.
  • Verify: 5 daily tickets.
  • Reviewer: Agent #5.
  • Depends on: A21-W4-Thu.