characterize-with-contracts

Use to discover or reconstruct a service's API contract and produce characterization (golden-master) tests that lock in its CURRENT behavior — including existing bugs — as a safety net before refactoring a brownfield service. Delegates stack detection and Microcks wiring to contract-testing-roster and mocking-strategy-roster; adds nothing new to the toolchain, only the characterization intent. Activate on 'characterize this API', 'lock in current behavior', 'build a contract-based safety net'.