* fix(compound-docs): correct severity enum in validation example
The example error message referenced [critical, moderate, minor] but
the yaml-schema.md defines severity as [critical, high, medium, low].
* refactor(agents): standardize search tool recommendations
- Update repo-research-analyst to recommend built-in Grep tool instead
of CLI rg (Grep uses ripgrep under the hood)
- Add TypeScript example for ast-grep alongside Ruby
- Update pattern-recognition-specialist to use built-in Grep tool
- Keep ast-grep for AST-based structural matching (language-specific)
* feat(agents): add learnings-researcher for institutional knowledge
Add new research agent that efficiently searches docs/solutions/ for
relevant past solutions before implementing features or fixing bugs.
Key features:
- Grep-first filtering strategy for efficiency with 100+ files
- Category-based narrowing to reduce search scope
- Parallel Grep calls with synonym support (OR patterns)
- Frontmatter-only reads before full document reads
- Always checks critical patterns file
- Uses haiku model for speed (structured task, recipe-based)
Integrates with /workflows:plan to run in parallel with
repo-research-analyst during local research phase.
Closes the loop on compound engineering: solutions documented via
/workflows:compound are now discoverable during planning.
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