v0.2.0
Add HTTP dispatch layer wiring config endpoints to axum routes with auth
Add multi-DB CRUD engine: pooled connections, auto table creation, create/read/list/update/delete
Add hot reload via file watcher; fix cross-cutting middleware to wrap merged router
Add engine config models: connections, endpoints, field types, loader/validator
Add Rhai scripting layer: host functions (db/hash/jwt), per-script transactions