v7: upload PRESENTATION.md

v7: upload TRAINING_V5B_VS_V6_REPORT.md

v7: upload onnx/output_heads.onnx

v7: upload onnx/vitalguard.onnx

v7: upload onnx/history_encoder.onnx

v7: upload onnx/hourslot_encoder.onnx

v7: upload onnx/feature_adapter.onnx

v7: upload onnx/minute_encoder.onnx

v7: upload onnx/patch_encoder.onnx

v7: upload stage6_vitalguard.pt

v7: upload stage5_full.pt

Add ONNX exports (7 stages, 1.4GB) for Jetson Nano inference

v5b: train/val split + early stopping (OOD AUC 0.987)

Initial release: 6-stage ckpt (444M params) + Phone ONNX

initial commit