substep-pass-fail

# Substep Transitions

Substep-level PASS/FAIL transitions including FAIL CONTINUE.

## 1. Checks

### 1.1 Required check

- PASS: CONTINUE
- FAIL: STOP

```bash
rd echo "check"
```

### 1.2 Optional check

- PASS: CONTINUE
- FAIL: CONTINUE

```bash
rd echo "optional"
```

## 2. Finish

- PASS: COMPLETE

```bash
rd echo "done"
```