Add MiniMax H3 SPEED candidate note

models/minimax/comfyui-minimax-h3-speed/README.md

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+# ComfyUI MiniMax H3 SPEED
+
+## Summary
+
+Community `MiniMax H3` workflow repo captured as a future speed-focused candidate to review and test.
+
+## Model Family
+
+- `minimax`
+
+## Status
+
+- `imported-only`
+
+## Source
+
+- Original page: <https://github.com/StanLukuvka/ComfyUI-MiniMax-H3-SPEED>
+- Original author: `StanLukuvka`
+- Date imported: `2026-08-21`
+
+## What is included
+
+- `README.md`
+- source repo link only for now; local `workflow.json` still needs to be pulled from the upstream repo
+
+## Required custom nodes
+
+- unknown until the upstream workflow files are reviewed
+
+## Notes
+
+- Logged because Chris wants workflow finds stored in the repo, not only in chat memory.
+- Likely worth checking first as a `MiniMax H3` speed-oriented candidate alongside existing `reference-to-video` priorities.
+- Treat this as a staging record until the actual workflow graph and node requirements are imported.