feat(library): AI Agents for Marketing Automation: Building Agentic Workflows Beyond HubSpot and Zapier (#7280)

* feat(library): AI Agents for Marketing Automation: Building Agentic Workflows Beyond HubSpot and Zapier

* fix(library): use Chat and Sim instead of the prohibited Mothership name

The constitution reserves "Sim" for the agent and "Chat" for the surface;
"Mothership" names no product surface a reader can find.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

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Co-authored-by: Sim Pi Agent <pi@sim.ai>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: 3 people