One canonical PanelSpec (header, model picker, quick-action chips, output,
prompt input, footer, signed-out state) with stable action ids, emitted to
three host card formats:
- toSlackBlocks → Slack Block Kit blocks[]
- toAdaptiveCard → Teams Adaptive Card v1.5
- toCardServiceJson → Google Workspace CardService JSON
Pure presentation layer: no network, no host SDK deps, no secrets. Emitters
never call the AI or auth (@hanzo/ai / @hanzo/iam do that). assistantPanel()
builder so adapters do not hand-assemble. 66 vitest tests, tsc clean, tsup
build (cjs+esm+dts). Registered in pnpm-workspace.yaml.
Hanzo Dev
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