PDF Brain — Research → Practical System Moves Use this skill when the user wants evidence-backed synthesis from the docs library (600+ books, PDFs, long-form references), not generic web summarization. Pipeline v2 (ADR-0234) The docs pipeline uses a staged artifact chain: - Extraction : opendataloader-pdf → structured markdown with headings, tables, reading order - Chunking : markdown-native heading detection, no overlap, hierarchical section + snippet chunks - Embeddings : nomic-embed-text via ollama GPU (768-dim, retrieval-tuned, pre-computed at ingest) in collection - Artifacts : durable o…