- modelregistry: ModelInfo (description, purpose, tags, column docs) with
external JSON loader, Describer fallback and gorm/bun/comment tag support
- resolvemcp: surface descriptions in list_tables and describe_table, send a
usage guide as MCP server instructions, add package docs
- add BuildCatalog/ExportCatalog to write a JSON or Markdown API catalogue
- document the descriptions map and catalogue in the README
