Feature generator

Commands

dart run stackchain feature auth
dart run stackchain add settings
dart run stackchain make feature profile   # same vertical slice path
dart run stackchain rename profile account
dart run stackchain remove auth

Pipeline (`feature` / `add`)

Validate snake_case name
Append to features in YAML if new
Generate architecture-specific files + recipe extras
Sync router + DI regions (full feature DI graph for GetIt)
Update .stackchain/lock.yaml
Quality gate

Recipes

Feature name	Extras
`auth`	Form widget, session/guards integration, richer tests
`settings`	Settings-oriented extras + tests
`profile`	Profile-oriented extras + tests
other	Baseline slice + smoke/type tests

Layered output example

lib/features/auth/
  data/…
  domain/…
  presentation/bloc|cubit|providers|controllers/…
  presentation/pages/
  presentation/widgets/