feat: add type for field array value

Author: david-roper

packages/schemas/src/instrument/instrument.base.ts

@@ -92,12 +92,14 @@ const $UnilingualInstrumentDetails = $InstrumentDetails.extend({
 
 const $InstrumentMeasureVisibility: z.ZodType<InstrumentMeasureVisibility> = z.enum(['hidden', 'visible']);
 
+const $RecordArrayFieldValue = z.union([z.string(), z.boolean(), z.number(), z.date(), z.undefined()]);
+
 const $InstrumentMeasureValue: z.ZodType<InstrumentMeasureValue> = z.union([
   z.string(),
   z.boolean(),
   z.number(),
   z.date(),
-  z.array(z.any()),
+  z.array($RecordArrayFieldValue),
   z.undefined()
 ]);