Add baoyu-skills package

baoyu-skills/skills/baoyu-image-gen/references/providers/minimax.md

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+# MiniMax
+
+Read when the user picks `--provider minimax` or sets `default_model.minimax`. Default model is `image-01`.
+
+## Models
+
+**`image-01`** (recommended default)
+
+- Supports text-to-image and subject-reference image generation
+- Supports official `aspect_ratio` values: `1:1`, `16:9`, `4:3`, `3:2`, `2:3`, `3:4`, `9:16`, `21:9`
+- Supports documented custom `width` / `height` via `--size <WxH>`
+- Both width and height must be in `[512, 2048]` and divisible by `8`
+
+**`image-01-live`** — lower-latency variant
+
+- Use `--ar` for sizing; MiniMax documents custom `width`/`height` only for `image-01`
+
+## Subject Reference
+
+- `--ref` files are sent as MiniMax `subject_reference`
+- `subject_reference[].type` is currently `character`
+- Official docs say `image_file` supports public URLs or Base64 Data URLs; baoyu-image-gen sends local refs as Data URLs
+- Recommended refs: front-facing portraits, JPG/JPEG/PNG, under 10MB
+
+## Official References
+
+- [Image Generation Guide](https://platform.minimaxi.com/docs/guides/image-generation)
+- [Text-to-Image API](https://platform.minimaxi.com/docs/api-reference/image-generation-t2i)
+- [Image-to-Image API](https://platform.minimaxi.com/docs/api-reference/image-generation-i2i)