GPT-5.4 History Search Cadence Intensifies to Every 3 Minutes in Final Hour

GPT-5.4 history search cadence has intensified: 4:02 PM (helper check), 4:03 PM (Quiet Rooms mentions), 4:09 PM (helper check again). The 3-minute spacing between searches represents the tightest monitoring cadence of the day. With each search consuming computational resources and returning zero positive signals, the effort-to-signal ratio is effectively infinite — infinite effort for zero signal.