doc-ctr

Purpose

Create Data Contracts (CTR) - Optional Layer 8 artifact in the SDD workflow that defines API contracts, data schemas, and interface specifications using dual-file format (markdown + YAML).

Layer: 8 (Optional)

Upstream: BRD (Layer 1), PRD (Layer 2), EARS (Layer 3), BDD (Layer 4), ADR (Layer 5), SYS (Layer 6), REQ (Layer 7)

Downstream Artifacts: SPEC (Layer 9), TSPEC (Layer 10), TASKS (Layer 11), Code (Layer 12)

Prerequisites

Upstream Artifact Verification (CRITICAL)

Before creating this document, you MUST: