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feat: add complete HunyuanVideo and Wan2.2 video generation integration
Integrated 35+ video generation models and 13 production workflows from ComfyUI docs tutorials for state-of-the-art text-to-video and image-to-video generation.

Models Added (models_huggingface.yaml):
- HunyuanVideo (5 models): Original T2V/I2V (720p), v1.5 (720p/1080p) with Qwen 2.5 VL
- Wan2.2 diffusion models (18 models):
  - 5B TI2V hybrid (8GB VRAM, efficient)
  - 14B variants: T2V, I2V (high/low noise), Animate, S2V (FP8/BF16), Fun Camera/Control (high/low noise)
- Support models (12): VAEs, UMT5-XXL, CLIP Vision H, Wav2Vec2, LLaVA encoders
- LoRA accelerators (4): Lightx2v 4-step distillation for 5x speedup

Workflows Added (comfyui/workflows/image-to-video/):
- HunyuanVideo (5 workflows): T2V original, I2V v1/v2 (webp embedded), v1.5 T2V/I2V (JSON)
- Wan2.2 (8 workflows): 5B TI2V, 14B T2V/I2V/FLF2V/Animate/S2V/Fun Camera/Fun Control
- Asset files (10): Reference images, videos, audio for workflow testing

Custom Nodes Added (arty.yml):
- ComfyUI-KJNodes: Kijai optimizations for HunyuanVideo/Wan2.2 (FP8 scaling, video helpers)
- comfyui_controlnet_aux: ControlNet preprocessors (Canny, Depth, OpenPose, MLSD) for Fun Control
- ComfyUI-GGUF: GGUF quantization support for memory optimization

VRAM Requirements:
- HunyuanVideo original: 24GB (720p T2V/I2V, 129 frames, 5s generation)
- HunyuanVideo 1.5: 30-60GB (720p/1080p, improved quality with Qwen 2.5 VL)
- Wan2.2 5B: 8GB (efficient dual-expert architecture with native offloading)
- Wan2.2 14B: 24GB (high-quality video generation, all modes)

Note: Wan2.2 Fun Inpaint workflow not available in official templates repository (404).

Tutorial Sources:
- https://docs.comfy.org/tutorials/video/hunyuan/hunyuan-video
- https://docs.comfy.org/tutorials/video/hunyuan/hunyuan-video-1-5
- https://docs.comfy.org/tutorials/video/wan/wan2_2
- https://docs.comfy.org/tutorials/video/wan/wan2-2-animate
- https://docs.comfy.org/tutorials/video/wan/wan2-2-s2v
- https://docs.comfy.org/tutorials/video/wan/wan2-2-fun-camera
- https://docs.comfy.org/tutorials/video/wan/wan2-2-fun-control

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-25 10:43:39 +01:00
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