debug logging

Author: nhsd-david-wass

lambdas/supplier-allocator/src/services/supplier-config.ts

@@ -10,6 +10,7 @@ import { LetterRequestPreparedEventV2 } from "@nhsdigital/nhs-notify-event-schem
 import { LetterRequestPreparedEvent } from "@nhsdigital/nhs-notify-event-schemas-letter-rendering-v1";
 
 import { Deps } from "../config/deps";
+import { de } from "zod/v4/locales";
 
 type PreparedEvents = LetterRequestPreparedEventV2 | LetterRequestPreparedEvent;
 
@@ -248,6 +249,14 @@ export async function filterPacksForLetter(
     ) {
       filteredPackIds.push(packSpecId);
     } else {
+      deps.logger.info({
+        description: "Evaluating pack specification constraints for letter",
+        letterVariantId: letterEvent.data.letterVariantId,
+        packSpecId,
+        pageCount: letterEvent.data.pageCount,
+        constraintValue: packSpec.constraints.sheets.value,
+        constraintOperator: packSpec.constraints.sheets.operator,
+      });
       const isValid = evaluateContraint(
         letterEvent.data.pageCount,
         packSpec.constraints.sheets.value,