Discovers markdown across 4 source types:
- memory: ~/.claude/projects memory files
- plans: docs/plans across repos + ~/.claude/plans
- claude-md: CLAUDE.md repo instructions
- tasks: core/tasks research and ideas
Supports --fresh to clear collection, --dry-run for preview,
and --source to target specific types.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>