Builds and refreshes domain-based index files for the Hylo knowledge base. Use this skill whenever the user wants to build, rebuild, refresh, or update the knowledge index, create domain indexes, organize knowledge by domain, or index the knowledge base. Triggers on phrases like 'build knowledge index', 'rebuild index', 'refresh knowledge index', 'update domain indexes', 'index my knowledge base', 'regenerate index', or any request to create or maintain the knowledge index files.
