Unit Test Improver
What this skill does
This skill directs the agent to review an existing set of unit tests and improve them. It looks for weak or incomplete tests — tests that pass even when the code is broken, tests that don't assert the right things, tests that are missing critical edge cases, and tests that test implementation details instead of behavior. The output is an improved, rewritten test suite that is harder to fool and more useful as a safety net.
Use this before a major r
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