Test-Driven Development Treat executable evidence as the source of truth. Use this workflow to prevent five common agent failures: - guessing instead of proving - writing many tests before learning anything - testing shapes or internals instead of behavior - over-mocking code under your control - letting the feedback loop get so slow that TDD stops working Start the Session Before editing code: 1. Read repo-local instructions such as , , and package or test scripts. 2. Inspect nearby production code and nearby tests to infer naming, seams, fixtures, and the fastest targeted command. 3. Identi…