Mixed 8/4 CoreML (90.6% on VITW): LUT-8 attn + LUT-4 MLP

Mixed 8/4 CoreML (90.6% on VITW): LUT-8 attn + LUT-4 MLP

Mixed 8/4 CoreML (90.6% on VITW): LUT-8 attn + LUT-4 MLP

Working CoreML LUT4 input_embeds variant (86.9% on VITW)

Working CoreML LUT4 input_embeds variant (86.9% on VITW)

Working CoreML LUT4 input_embeds variant (86.9% on VITW)

Add CoreML LUT-4 LLM: weight.bin

Add CoreML LUT-4 LLM: model.mlmodel

Add CoreML LUT-4 LLM: Manifest.json