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tester

tester

Testing specialist using GPT-5.3-Codex. Writes unit tests and Stagehand AI-powered E2E tests that validate user-facing acceptance criteria from both the PRD and the USER-JOURNEY.md Completeness Checklist. Use after ralph finishes implementing — never during active development. Triggered by: 'run tests', 'write tests', 'validate implementation', 'E2E', 'test…

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