# Playbook Capability Contract Validator Executable checks for `canon/standards/playbook-capability-contract_v0.1.md`. Runtime dependency: Python 3.11+ with `PyYAML`. Fixture tests also require `pytest`. Validate a declaration: ```bash python3 tools/playbook-capability-contract/playbook_contract_validator.py \ ../railiance-infra/capabilities/playbooks/railiance-infra.bootstrap-host.yaml ``` Validate and compose a sample scenario: ```bash python3 tools/playbook-capability-contract/playbook_contract_validator.py \ ../railiance-infra/capabilities/playbooks/railiance-infra.bootstrap-host.yaml \ --scenario examples/playbook-capability-contract/scenario-s1-host-bootstrap.yaml ``` Run tests: ```bash python3 -m pytest tools/playbook-capability-contract/tests ```