Use when a reported problem, failure, or bug needs a systematic root-cause investigation — reproduce → isolate → fix → verify — recorded as one durable artifact. Triggers on "fix the 500 on login", "X is broken", "why is Y failing?", "debug this", "track down this bug".
Use when a reported problem, failure, or bug needs a systematic root-cause investigation — reproduce → isolate → fix → verify — recorded as one durable artifact. Triggers on "fix the 500 on login", "X is broken", "why is Y failing?", "debug this", "track down this bug".