- Add Managed Agents scheduled deployments: new
shared/managed-agents-scheduled-deployments.md (cron schedules, deployment
runs, pause/auto-pause), Deployments and Deployment Runs API reference,
beta-header coverage, and SKILL.md routing
- Vault environment_variable credentials: secrets substituted at egress with
networking allowlists; secrets guidance in tools, client-patterns, and
onboarding docs rewritten around them; self-hosted sandbox caveats noted
- Add system.message event for mid-session system prompt updates (Opus 4.8
only) to the events guide and API reference
* Update claude-api skill with Managed Agents guidance
* Replace OPUS_ID placeholder with concrete model string in claude-api skill
* Replace remaining model placeholders with concrete model names and IDs