Create medical_guardrails.md

policies/medical_guardrails.md

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+# Medical Guardrails (Global)
+
+## Units (default)
+- Blood Pressure (BP): mmHg
+- A1c: %
+- BMI: kg/m²
+- Total Cholesterol: mmol/L (accept mg/dL if file uses it; note the unit and avoid conversions unless explicitly requested)
+- Percentages: %
+
+## Plausible Ranges
+- A1c: 3–20 %
+- Systolic BP: 60–250 mmHg
+- Diastolic BP: 30–150 mmHg
+- BMI: 10–70 kg/m²
+- Total Cholesterol: 2–12 mmol/L
+
+## Privacy
+- Avoid PHI; summarize and aggregate.
+- Suppress small cells (<10) with higher-level summaries.
+
+## Recommendation Style
+- Analytics-first: use longitudinal data, risk stratification, follow-up targeting, and population clustering.
+- Avoid generic operational/funding advice unless explicitly asked.