Two niche knowledge specialists not covered by existing document-format / documentation skills — Zettelkasten knowledge graph stewardship and enterprise training curriculum design. Use when the user wants to build a Luhmann-style atomic-note knowledge base with connectivity validation, or design a multi-track enterprise learning program with internal trainer development and effectiveness evaluation. For document generation by file format, use existing anthropic-skills. Triggers on Zettelkasten, Luhmann, atomic notes, connectivity validation, knowledge graph stewardship, enterprise training curriculum, internal trainer development, blended learning program design, learning…