## mckinsey/agents-at-scale-ark — v0.1.66…v0.1.67-rc

_34 commits._

### Features
- **feat: horizontal scaling ark completion (#2783)** (db79722)
- **feat(ark-cli): add events-pretty output format for human-readable events (#2859)** (f2a74aa)
- **feat(broker): cascade-delete operation events when a Query is deleted (#2806)** (6a2e873)
- **feat: support per-tenant ark-completions engines (namespace-local, central engine as default) (#2660)** (bfe48fa)
- **feat(mcp-auth): dashboard-driven MCP OAuth with redirect completion (#2734)** (3f7b509)
- **feat(apiserver): enforce delegated authn/authz and verified serving TLS (#2801)** (8a5f7ba)
- **feat: add reusable ark-query WorkflowTemplate to argo-workflows chart (#2759)** (a7cc8cb)
- **feat: surface cached tokens for Anthropic/Bedrock prompt caching (#2841)** (7b2c917)

### Fixes
- **fix: bump fast-uri to 3.1.4 (CVE-2026-16221) (#2908)** (1442a0a)
- **fix: bump ws to 8.21.1 (CVE-2026-62389) (#2905)** (cf049b8)
- **fix: tag test secrets that gitleaks is flagging (#2898)** (064d6f9)
- **fix: self-heal Memory and ExecutionEngine on transient address resolution failure (#2852)** (06e62b0)
- **fix(apiserver): propagate list metadata into Table responses (#2858)** (45a8fde)
- **fix: add health probes to ark-api, ark-dashboard, and ark-mcp (#2850)** (6d1f79f)
- **fix: stop ark-tenant token-refresh exposing rotated secrets via kubectl argv (#2826)** (e09960e)
- **fix: add --upsert flag to ark import for idempotent re-imports (#2793)** (bd99d82)
- **fix(ark-api): resolve false "Cluster unavailable" on webhook-authorizer clusters (#2870)** (e36ef61)
- **fix(apiserver): bump generation only on spec change (#2781)** (9878d84)
- **fix(ark-api): activate async unit tests and drop duplicate proxy rout… (#2875)** (6770df2)
- **fix: bedrock auth selectors (#2813)** (55c5352)
- **fix(apiserver): snapshot-consistent paginated LIST (#2680) (#2808)** (bce5e74)
- **fix: populate turn.output on team OTEL spans (#2846)** (bfaf334)
- **fix(ark-api): return 422 instead of 500 for custom field-validator errors (#2833)** (5257a6d)

### Tests
- **test(cli): remove test_rbac_bindings — exercises K8s RBAC, not Ark (#2811)** (04583e3)
- **test: Remove commented test (#2869)** (e8ee5a3)

### Docs
- **docs: remove openspec-flow README section (#2897)** (1b4b2d8)
- **docs: remove broken README badges (#2895)** (b8565de)

### Chore
- **chore(main): release 0.1.67-rc (#2851)** (fa51be6)
- **chore: Consolidate Dependabot updates (#2788)** (9df40a7)
- **chore: remove unused OpenSpec Flow workflow (#2894)** (0a4a8c2)
- **chore: openspec-flow setup (#2837)** (4bc6c0c)
- **chore(ark-dashboard): speed up devspace dev npm install (skip audit + persist cache) (#2866)** (c6447c9)
- **ci: add server-side secret scanning (#2705)** (f68fd8b)
- **chore: bootstrap v0.1.67 development cycle (#2849)** (11cbef2)

_Recap by [Repo Wrapped](https://repowrapped.com/gh/mckinsey/agents-at-scale-ark?utm_source=github-action)._