add load more command

internal/memory/service.go

@@ -68,3 +68,33 @@ func (s *Service) GetTodayMemory(ctx context.Context) (*search.Memory, error) {
 
 	return mem, nil
 }
+
+// LoadNewMemory selects a new memory ignoring the cache, records the show,
+// and updates the cache so that subsequent GetTodayMemory calls return it.
+func (s *Service) LoadNewMemory(ctx context.Context) (*search.Memory, error) {
+	today := time.Now().In(s.loc)
+	dayKey := today.Format("2006-01-02")
+
+	s.logger.Info("loading additional memory", "date", dayKey)
+
+	mem, err := s.selector.Select(ctx, today)
+	if err != nil {
+		return nil, err
+	}
+
+	if mem == nil {
+		s.logger.Warn("no memory found for load more")
+		return nil, nil
+	}
+
+	if err := s.store.RecordShow(ctx, mem.Memo.Name, mem.Tier); err != nil {
+		s.logger.Error("failed to record show", "error", err)
+	}
+
+	s.mu.Lock()
+	s.cacheDay = dayKey
+	s.cached = mem
+	s.mu.Unlock()
+
+	return mem, nil
+}