MobileCLIP text encoders for SAM3-LiteText (vil-uob/sam3-litetext-{s0,s1,l}), ONNX fp32 + fp16 (modelopt AutoCast). Reuses the SAM3 image vision-encoder and geo-encoder-mask-decoder ONNX (jamjamjon/assets 'sam3'); only the text encoder is variant-specific. Drop-in for the SAM3 text-encoder: inputs input_ids[B,32], attention_mask[B,32]; outputs text_features[B,32,256], text_mask[B,32]. Verified ORT==PyTorch (fp32 cos=1.0, fp16 cos~=0.99999).