core, badge service: say how a verified transaction and a stored payment differ

apps/simplex-badge-service/src/BadgeService/StoreReceipts.hs

@@ -25,7 +25,8 @@ import Simplex.Messaging.Util (catchOwn')
 import System.Timeout (timeout)
 
 -- | What a store vouches for about one completed transaction.
--- PaymentFunding's PFApple and PFGoogle hold much the same; the two are reconciled when PaymentFunding is built out.
+-- TODO [badges] reconcile with PaymentFunding's PFApple and PFGoogle, which record a payment the
+-- service stored rather than what a store attested, when PaymentFunding is built out.
 data VerifiedStoreTransaction = VerifiedStoreTransaction
   { transactionRef :: Text, -- from what was verified: Apple's transactionId, googlePurchaseRef of the token asked about
     productId :: Text,

src/Simplex/Chat/PaymentService/Types.hs

@@ -139,7 +139,8 @@ data StoredPayment = StoredPayment
   deriving (Show)
 
 -- to review
--- PFApple and PFGoogle hold much what the service's VerifiedStoreTransaction does; the two are reconciled when this is built out.
+-- TODO [badges] reconcile PFApple and PFGoogle with the badge service's VerifiedStoreTransaction,
+-- which is what a store attested rather than a payment recorded here, when this is built out.
 data PaymentFunding
   = PFInvoice
       { invoiceId :: InvoiceId,