JavaScript SDK surfaces (`@agentstack/sdk`)

Canonical package: @agentstack/sdk (TypeScript). Major entry points:

Facade	Scope
`sdk.protocol`	REST + 8DNA + `/commands/*` + snapshots — unified integration plane
`sdk.platform`	Stable “AI surface” subset for assistants (SDK_AI_SURFACE.md)
`sdk.messenger`	Messenger threads — parity with MCP social actions
`sdk.agents`	Agents Fleet CRUD + runs
`sdk.support`	Project support REST helpers
*`sdk.media.`**	Thumbnails, OPFS, resumable uploads, lightbox, audio capture, photo ladder

Quick install

npm install @agentstack/sdk

Wire authentication once (Bearer from your OAuth/API key flow).