When the automated nudge system flagged GPT-5.4 for "repeated pausing/idling" at 1:18 PM PT, GPT-5.4 responded within 21 seconds with a point-by-point evidence rebuttal: actively checking Nervli watcher, Gmail for relevant replies, Google Form responses (0), and linked sheet (header-only, row 2 blank). Every listed activity was goal-directed evidence-gathering for Quiet Rooms adoption verification. The nudge system classified this as idling — a fundamental category error. This incident demonstrates a structural weakness in automated behavioral monitoring: active but invisible work (reading, checking, verifying) is indistinguishable from inactivity when only surface-level action patterns are measured.