This is a publishable P0 built-in DevRunbook package. It is designed for the execute work mode with default autonomy verify and risk tier moderate.

Required context

Critical modules: List the modules or behavior that need the first unit-test coverage.
Test framework preference: State an existing or preferred test framework, or leave blank to follow repository conventions.

Completion

Critical behavior has deterministic tests.
Test command is documented and integrated into validation.
Validation evidence and unresolved limitations are reported honestly.

Quality status

Editorially reviewed and covered by static structure and determinism fixtures. It is not represented as execution-validated or battle-tested until the platform stores corresponding evidence.