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Eight polls is not a budget. Each poll costs whatever the driver's idle wait happens to take, so the same launch cleared the gate on one device and exhausted it on another: across 80 runs of one app, the gate reported "app never reached foreground" on 38 of 40 Android 14 runs and 0 of 40 Android 16 runs, and it was wrong every time. On API 34 settleForForeground returned in ~100ms, so the eight polls gave up 1.2s into a launch whose window drew at ~1.9s; on API 36 the same eight polls spanned 3s and covered it. The Android 14 runs then spent their first step on the launch animation instead of the app, which is the one-step offset that came out of that campaign looking like a platform difference. The gate now polls for a fixed 15s at a 250ms floor, so its verdict is the same duration on every device, and a verdict of "not in front" ends the run instead of warning and carrying on: a run that never got its app on screen holds no evidence about the app, and the trace records why at step 0.