qa
Use when triaging a bug report, validating that a fix actually resolved the user-visible problem, assessing the impact of a code change, discovering use cases for a feature, expanding regression scenarios, executing a manual test plan against a real environment, or filing a clean bug report. Trigger phrases include "triage", "validate the fix", "what should we test", "smoke test", "use cases", "regression scenarios", "file a bug". Do NOT use for writing automated test code (use testing/), reviewing test code quality, technical plan review, or code-quality review.