RC-6

internal/data/store.go

@@ -183,6 +183,14 @@ func (s *Store) ClientExists(ctx context.Context, id string) bool {
 	return n == 1
 }
 
+func (s *Store) ClientCreatedAt(ctx context.Context, id string) (time.Time, error) {
+	var ms int64
+	if err := s.DB.QueryRowContext(ctx, `SELECT created_at FROM clients WHERE id=?`, id).Scan(&ms); err != nil {
+		return time.Time{}, err
+	}
+	return time.UnixMilli(ms).UTC(), nil
+}
+
 func (s *Store) ClientPublicJWK(ctx context.Context, id string) (auth.PublicJWK, error) {
 	var raw string
 	if err := s.DB.QueryRowContext(ctx, `SELECT public_jwk FROM clients WHERE id=?`, id).Scan(&raw); err != nil {