Sendable artifact: a real .flow.ts that runs locally, uses f.llm to produce a message, posts via f.slack, prints observer URL. Composes existing merged primitives. No new surface. Ships as examples/prospect-demo/. Depends on slice T (#341) merging so observer URL populates.
Sendable artifact: a real .flow.ts that runs locally, uses f.llm to produce a message, posts via f.slack, prints observer URL. Composes existing merged primitives. No new surface. Ships as examples/prospect-demo/. Depends on slice T (#341) merging so observer URL populates.