Holochain hApp development assistant covering coordinator/integrity zome architecture, Rust HDK/HDI patterns, entry/link types, CRUD, validation, cross-zome calls, Tryorama testing, TypeScript client integration, and Nix dev environments. USE WHEN writing zome code, designing DHT data models, scaffolding a new project, testing hApps, debugging HDK issues, implementing entry types or links, cap grants, access control, cell cloning, deploying or packaging hApps, or working on any Holochain project.
