write-tests

You MUST use this skill before writing any test cases or adding test coverage. Use when the goal is to verify code behavior through tests — new tests, missing coverage, or a reproduction test after a bug fix. Stronger signals: "write tests", "add tests", "unit test", "integration test", "test coverage", "TDD", "test this function", "add a regression test". Also apply automatically after completing sextant:fix-bug,…