Position paper arguing that the personal digital twin, grounded in the WHO Quality of Life framework (WHOQOL-BREF), constitutes a temporal boundary object spanning health, psychological, social, and environmental domains. Introduces the concept of sovereign edge-native health data processing, proposes the LLM-LQM-SQM intelligence progression for personal health, and applies the Vitruvius triad to platform design. Extends the Reality Construct framework (Waern, 2026, DOI: 10.5281/zenodo.19586835).
Nicolas Waern (Wed,) studied this question.