[Model] [Quantization] Add Ling hybrid MXFP4 routed experts support - #52114
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Signed-off-by: zexplorerhj <zhjoneson@163.com>
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…llm-project#52114) Signed-off-by: zexplorerhj <zhjoneson@163.com>
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Purpose
Add support for Ling checkpoints that use hybrid quantization: block FP8 for dense and shared-expert projections, and MXFP4 for routed experts.
This change reads Ling-specific quantization metadata and remaps routed-expert scale names to the convention expected by
Mxfp4MoEMethodfor both the main and MTP models