$workflow-builder — author a deterministic Codex orchestration Counterpart to . authors a (a leaf capability); this authors an orchestration (a composite capability — deterministic fan-out / pipeline / loop over sub-agents). Reach this skill via once the shape is confirmed Orchestration (deterministic DAG + structured-JSON returns + headless). If the shape is NTM or plain skill, you're in the wrong builder — go back to . Confirm the shape first Do NOT author an orchestration for: an attach-and-steer run (→ NTM: / ), or a hard-sequential edit-loop with no parallelism (→ plain skill: ). If unco…