Add HealthMeasurement shape (Schema.org Health-Lifesci subset)#63

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jeswr:feat/health-measurement-shape

Commits on Apr 23, 2026

Add HealthMeasurement shape (Schema.org Health-Lifesci subset)

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claude
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Loosen value/observationDate datatypes; tighten measurementMethod

jeswr
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claude
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Use sh:IRIOrLiteral; soften shape description re: pending Schema.org

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claude
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