Literature Review & Source Materialization

Gather, discover, and materialize all sources into references/ so downstream phases (setup, draft, cite-check) operate on local files only.

Prerequisites: Brainstorm complete. User has confirmed topic, angle, and audience. Research themes identified (3-6 themes from brainstorm).

brainstorm (themes + angle)
     ↓
 LIT REVIEW (this skill)
     ├─ Channel 1: Scholar + Consensus → Paperpile → rclone → references/*.pdf
     ├─ Channel 2: Readwise (personal reading) → export → references/*.md
     ├─ Channel 3: NLM deep research → Obsidian web clipper (user-driven)
     ↓
 setup (PRECIS + OUTLINE + sources.bib)