artifact-contract-manager

# Artifact Contract Manager This skill owns the contract shape for every artifact. Every artifact must have one producer, clear consumers, a PASS condition, and a failure route. ## Input Artifacts - `00-stage.json` - Existing workspace files - Any proposed new artifact ## Output Artifact - `docs/full-stack-development/requirements/<feature-slug>/00-artifact-registry.json` ## Required MCP Tool - `list_artifact_contracts` - `get_artifact_contract` - `review_artifact_contract` ## Hard Stops - Do not add an artifact if its producer, consumers, PASS condition, or failure route are unclear. - Do not allow empty templates to pass. - Do not let downstream stages consume unregistered artifacts. ## Pressure Test Responsibility - Missing producer blocks. - Missing consumer blocks. - Missing PASS condition blocks. - Missing failure route blocks. ## Next Gate - `stage-gate-reviewer` consumes the registry before any stage transition.