- api/corpus-search.php: new endpoint with three search modes (hybrid RAG, BM25 keyword, Qdrant vector)
- api/corpus-documents.php: paginated document browser by category or source name
- corpus.php: search bar with mode+language pills, Browse docs button on each category card with drill-down panel, expand toggle on each source row showing doc count and scraper class
- tools.css: all new corpus interactive styles appended
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
