fftconv2d_bhl_w_reshape# fftconv2d_bhl_w_reshape(x, kernel, shortcut=None)# 2D FFT convolution via subq_ops for BLH inputs [B, X, Y, H]. Reshapes to BHL, runs fftconv2d_bhl(), reshapes back. Parameters: x (Tensor) kernel (Tensor) shortcut (Tensor | None) Return type: Tensor