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HealthLog/src
Marc-André BombeckandClaude Opus 4.7 73d21881a8 feat(insights): personal Health Score formula library
Composite 0-100 score with three bands (green >= 75, yellow 50..74,
red < 50). Server-deterministic so the same inputs always produce the
same output.

Sub-components:
- bpInTargetRate (30 %) — reuses the existing all-time figure
- weightTrendAlignment (20 %) — slope vs target band over 30 days
- moodStability (20 %) — `100 - CV*100`, requires >= 5 entries
- complianceRate (30 %) — mean of medication compliance30

Null components scale the remaining weights proportionally so the
score never lies about what was actually measured. Pure helpers
(linearRegressionSlope, coefficientOfVariation, weightTrendAlignment,
moodStability, complianceRate) live alongside the composite.

Tests cover strong/mixed/poor scenarios, every null-redistribution
shape (bp null, bp+mood null, all-but-compliance null, all null) and
determinism (same input -> same output).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 17:31:08 +02:00
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