Four pure-CPU tests confirming aggregate_window emits the right ts_ns - prev_ts_ns span per scale, so the existing snap-feature Δt Fourier encoder gets correctly-scaled inputs without any CUDA kernel changes.
Four pure-CPU tests confirming aggregate_window emits the right ts_ns - prev_ts_ns span per scale, so the existing snap-feature Δt Fourier encoder gets correctly-scaled inputs without any CUDA kernel changes.