Agent Skills: skill-improver

Use at a checkpoint after real friction — a task where something was repeatedly confusing, a skill misfired or failed to fire, or a workaround was invented that should not have been needed. Concerns turning friction into a change to the skills themselves, and knowing when the right change is to cut rather than add. Trigger at session end after substantial work, or when the same problem has now happened more than once. Do NOT use reflexively after routine tasks, or mid-task.