signalmeow/store: add logs for recipient updates

pkg/signalmeow/store/recipient_store.go

@@ -25,6 +25,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/rs/zerolog"
 	"go.mau.fi/util/dbutil"
 
 	"go.mau.fi/mautrix-signal/pkg/libsignalgo"
@@ -166,6 +167,10 @@ func (s *sqlStore) mergeRecipients(ctx context.Context, first, second *types.Rec
 		first, second = second, first
 	}
 	first.PNI = second.PNI
+	zerolog.Ctx(ctx).Debug().
+		Stringer("aci", first.ACI).
+		Stringer("pni", first.PNI).
+		Msg("Merging recipient entries in database")
 	if second.E164 != "" {
 		first.E164 = second.E164
 	}
@@ -247,6 +252,10 @@ func (s *sqlStore) LoadAndUpdateRecipient(ctx context.Context, aci, pni uuid.UUI
 			// SQL only supports one ON CONFLICT clause, which means StoreRecipient will key on the ACI if it's present.
 			// If we're adding an ACI to a PNI row, just delete the PNI row first to avoid conflicts on the PNI key.
 			if outRecipient.PNI != uuid.Nil && outRecipient.ACI == uuid.Nil && aci != uuid.Nil {
+				zerolog.Ctx(ctx).Debug().
+					Stringer("aci", outRecipient.ACI).
+					Stringer("pni", outRecipient.PNI).
+					Msg("Deleting old PNI-only row before inserting row with both IDs")
 				err = s.DeleteRecipientByPNI(ctx, outRecipient.PNI)
 				if err != nil {
 					return fmt.Errorf("failed to delete old PNI row: %w", err)
@@ -261,6 +270,10 @@ func (s *sqlStore) LoadAndUpdateRecipient(ctx context.Context, aci, pni uuid.UUI
 				changed = true
 			}
 			if changed || len(entries) == 0 {
+				zerolog.Ctx(ctx).Trace().
+					Stringer("aci", outRecipient.ACI).
+					Stringer("pni", outRecipient.PNI).
+					Msg("Saving recipient row")
 				err = s.StoreRecipient(ctx, outRecipient)
 				if err != nil {
 					return fmt.Errorf("failed to store updated recipient row: %w", err)