CLAUDE.md Search Mode: add relationalRetrieval to the knob table, the
knobs_hash v=9→10 note, and a relational-retrieval summary. RETRIEVAL.md:
add the relational recall arm to the pipeline diagram. Regenerate llms
bundles (build:llms).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>