# 11.d-implicit-subsystem-lab Checklist

## Purpose

Deliver the implicit subsystem sample where a component-only definition is executed as an effective subsystem.

Stage Status:
- Current status: `DONE`
- Owner: `Codex + human`
- Update rule: `Update this block whenever a checklist item changes state.`

## Checklist

- [x] The implicit subsystem shape is explained
- [x] The sample remains component-only
- [x] CLI execution works
- [x] README is complete
