## Summary

- render compact Markdown for member and Planner messages - support emphasis, ordered and unordered lists, blockquotes, links, inline code, and fenced code - flatten headings and exclude raw HTML, images, tables, and task-list extensions - keep system transcript entries and message composition unchanged

## Verification

- `bun run ci` - `bun run types` - `bun test` — 594 passed - `bun run build` - `bun run e2e` — 60 passed