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Marc-André Bombeck
9be30897fa
Introduce src/lib/reference-ranges.ts: a structured, citation-backed per-metric reference-range backbone (band + source body + year) with a deterministic four-state placement helper, read by the UI surfaces. Each band traces to the medical-citations registry, which gains the supporting sources (ACC/AHA 2017 and ESC 2024 blood pressure, StatPearls pulse pressure and mean arterial pressure, ESC/ESH 2018 pulse-wave velocity, FDA 2024 and StatPearls pulse oximetry, J Gen Intern Med 2019 temperature, RCP NEWS2 and American Lung Association respiratory rate, visceral-fat imaging literature, AHA 2024 resting heart rate, ESC/NASPE 1996 HRV, Wilcox 2000, ACOG 651, Phillips 2017 and CDC 2024 sleep). Blood pressure keeps ESH 2023 as the labelled default; ACC/AHA 2017 and ESC 2024 appear only as displayed placement context. Enrich the metric explainers with concise cited reference bands and a general-guidance tooltip on every metric page: a darker-skin pulse-oximeter over-read caveat, device-proxy honesty for readiness/recovery/strain/stress, an HRV day-to-day-noise note, and a resting-heart-rate clarification. Fill the empty registry normal ranges, reconcile the steps green floor to 8,000, and tighten the body-temperature band below the fever line. Add free pulse-pressure and mean-arterial-pressure context on the blood- pressure detail page, plus cycle-physiology and sleep-hygiene copy across all six locales. Cycle thresholds carry a verification marker pending an ACOG source check.