Slack to Team Library workflow

1. intake-analyst reads the source Slack thread.
2. If the source is long or mixed, report-analyst extracts issues/actions/candidates.
3. structuring-writer creates a markdown draft.
4. reviewer checks correctness and sensitivity.
5. publisher-planner decides final path and deployment steps.
6. Human approval happens before publishing.
7. Approved content is added to docusaurus-team-library and deployed.