Agent Skills: docs-updater

Expert assistant for keeping documentation synchronized with code changes, creating ASCII flow diagrams, and explaining how features/systems work. Use when (1) updating API docs, maintaining architecture diagrams, syncing README, updating CLAUDE.MD, or generating documentation from code, (2) creating ASCII flow diagrams or workflow visualizations of any feature or system ("piirrä kaavio", "flow diagram", "ASCII kaavio", "workflow"), (3) explaining how something works ("miten toimii", "selitä", "kuvaile arkkitehtuuri", "millainen on", "mistä koostuu").