Doc

Scaffold, validate, and maintain Johnny.Decimal documentation structure for software projects. Use when user mentions "Johnny Decimal", "J.D docs", "docs structure", "organize docs", "documentation layout", "scaffold docs", "docs migration", "generate index", "docs index", "add area", "classify docs", "move doc", editing files in numbered directories (00-*, 10-*, 20-*), or discussing documentation organization.

Audit, classify, validate, and scaffold documentation using the Diataxis framework (Tutorials, How-to guides, Reference, Explanation). Use when user mentions "diataxis", "documentation framework", "quadrant", "doc audit", "doc coverage", "collapsed document", "tutorial vs how-to", "quadrant purity", "documentation types", or wants to classify docs by type.