docs: route contact email to contact@intrect.io

docs: add arXiv 2604.16254 paper citation

Add patent pending notice (KR + PCT)

Clarify: ONNX inference build only, raw weights not released

Update: NonCommercial license emphasis + v9.4 fair eval metrics

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Upload artifactnet_v94_full.onnx with huggingface_hub

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initial commit