Contract
What it is
Pact / consumer-driven contract tests. The consumer (e.g. an SDK) declares its expectations; the provider runs them.
When to use it
SDK ↔ API contract preservation across version bumps.
Example gates
Future slice.
See also
- The pyramid — where this mode sits relative to the others
- Writing a gate — how to scaffold a new gate in this mode
- Decision tree — "I just wrote feature X — what tests do I owe?"