Merge pull request Expensify#67055 from Expensify/marco-addCommentDistanceRequests

[NoQA] Update comments to ensure synchronization of distance expense rate logic with Auth

Author: jasperhuangg

src/CONST/index.ts

@@ -5501,6 +5501,8 @@ const CONST = {
             },
         },
     },
+
+    /* If we update these values, let's ensure this logic is consistent with the logic in the backend (Auth), since we're using the same method to calculate the rate value in distance requests created via Concierge. */
     CURRENCY_TO_DEFAULT_MILEAGE_RATE: JSON.parse(`{
         "AED": {
             "rate": 414,

src/libs/DistanceRequestUtils.ts

@@ -248,6 +248,8 @@ function ensureRateDefined(rate: number | undefined): asserts rate is number {
 /**
  * Retrieves the rate and unit for a P2P distance expense for a given currency.
  *
+ * Let's ensure this logic is consistent with the logic in the backend (Auth), since we're using the same method to calculate the rate value in distance requests created via Concierge.
+ *
  * @param currency
  * @returns The rate and unit in MileageRate object.
  */
@@ -353,6 +355,8 @@ function getDistanceUnit(transaction: OnyxEntry<Transaction>, mileageRate: OnyxE
 /**
  * Get the selected rate for a transaction, from the policy or P2P default rate.
  * Use the distanceUnit stored on the transaction by default to prevent policy changes modifying existing transactions. Otherwise, get the unit from the rate.
+ *
+ * Let's ensure this logic is consistent with the logic in the backend (Auth), since we're using the same method to calculate the rate value in distance requests created via Concierge.
  */
 function getRate({
     transaction,