- LoadFFTNetModel / FFTNetGenerate ComfyUI nodes - FFTNet architecture (SpectralFilter, LocalWindowMixing, FFTNetMixer) - upgrade/: replace LLM self-attention with FFTNet + MPS-safe fine-tuning script - Auto-detects self_attn return count (1/2/3) for transformers version compat - MPS FFT CPU offload workaround for Apple Silicon Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>