Add same-day MiniMax H3 R2V workflow

models/minimax/minimax-h3-javawock2609-r2v/README.md

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+# MiniMax H3 R2V Javawock Pack
+
+## Summary
+
+Same-day `MiniMax H3` reference-to-video workflow from the `javawock7618` pack. This is the strongest new character-consistency lane in the bundle and the best fit for practical local video reference work.
+
+## Model Family
+
+- `minimax`
+
+## Status
+
+- `imported-only`
+
+## Source
+
+- Workflow pack page: <https://huggingface.co/javawock7618/comfy-MiniMax-H3-workflows>
+- Workflow file: <https://huggingface.co/javawock7618/comfy-MiniMax-H3-workflows/raw/main/MiniMax_int8_R2V-javano2609.1.json>
+- Original publisher: `javawock7618`
+- Date imported: `2026-09-02`
+
+## Developer notes
+
+- The pack README describes this as the `Reference-to-Video` workflow.
+- It is built around INT8 inference, Sol-Attn, SLA-Attention, Spectrum, Lightx2v LoRA support, optional Turbo-LoRA, native Extend support, Fun ControlNet Union V2V control, and latent upscaling.
+- The workflow uses the pack's dedicated reference LoRA path for appearance retention.
+
+## Our notes
+
+- Best new MiniMax H3 import today if you care about reference retention more than flashy motion.
+- This is the right kind of update for the current watch area because it is practical control, not just a decorative LoRA.
+- Still heavy on an `RTX 3070`, but the INT8 path is the main reason it is worth trying locally.
+
+## Required custom nodes
+
+- `ComfyUI-SolAttn_triton`
+- `ComfyUI-Spectrum-MiniMax-H3`
+- `ComfyUI-Switchboard`
+- `ComfyUI-MiniMaxH3_LatentUpscaler`
+- `ComfyUI-H3-FaceRefine`
+
+## Required models
+
+- `Comfy-Org/MiniMax-H3`
+- `minimax_h3_ref_lora_rank_256_bf16.safetensors`
+- `minimax_h3_fun_controlnet_union_pruned_bf16.safetensors` or `minimax_h3_fun_controlnet_union_pruned_int8_convrot.safetensors` if V2V control is used
+- `lightx2v/Minimax-h3-Turbo` if the accelerated path is enabled
+- `drbaph/MiniMax-H3-Turbo-Lora-ComfyUI` if the turbo path is enabled
+
+## Notes
+
+- Best same-day MiniMax workflow for reference-guided video.