tender summary refactor

pkg/ai_summarizer/storage.go

@@ -278,13 +278,15 @@ func (s *StorageClient) resolveNoticeStoragePrefix(ctx context.Context, contract
 
 // GetSummaryFromStorage fetches the
 // PROC_<contractFolderID>/<noticePublicationID>/tender.json file from the AI
-// service's MinIO bucket, parses it, and returns the overall_summary string.
+// service's MinIO bucket, parses it, and returns the tender summary text.
+//
+// Summary text is read from summary (current) or overall_summary (legacy).
 //
 // It returns:
 //   - (summary, nil) on success
 //   - ("", ErrObjectNotFound) if the tender.json does not exist (404)
 //   - ("", ErrSummaryNotReady) if the file exists but summarize_status.done is false
-//   - ("", ErrNoOverallSummary) if done is true but overall_summary is empty/null
+//   - ("", ErrNoOverallSummary) if done is true but summary text is empty
 //   - ("", error) for any other failure
 func (s *StorageClient) GetSummaryFromStorage(ctx context.Context, contractFolderID, noticePublicationID string) (string, error) {
 	if strings.TrimSpace(contractFolderID) == "" {
@@ -352,7 +354,7 @@ func (s *StorageClient) getTranslationFromObjectKey(ctx context.Context, objectK
 	return entry, nil
 }
 
-// getSummaryFromObjectKey reads tender.json at objectKey and returns overall_summary when ready.
+// getSummaryFromObjectKey reads tender.json at objectKey and returns summary text when ready.
 // contractFolderID and noticePublicationID are used for logging only (may be empty when unknown).
 func (s *StorageClient) readTenderJSONAtKey(ctx context.Context, objectKey string) (*TenderJSON, error) {
 	object, err := s.client.GetObject(ctx, s.config.MinioBucket, objectKey, minio.GetObjectOptions{})
@@ -403,17 +405,15 @@ func (s *StorageClient) getSummaryFromObjectKey(ctx context.Context, objectKey,
 		return "", err
 	}
 
-	done, overall := tenderJSON.resolved()
+	done, summaryText := tenderJSON.resolved()
 	if !done {
 		return "", ErrSummaryNotReady
 	}
-	if overall == nil || strings.TrimSpace(*overall) == "" {
+	if summaryText == "" {
 		return "", ErrNoOverallSummary
 	}
 
-	summaryText := strings.TrimSpace(*overall)
-
-	s.logger.Info("Retrieved overall_summary from storage", map[string]interface{}{
+	s.logger.Info("Retrieved tender summary from storage", map[string]interface{}{
 		"contract_folder_id": contractFolderID,
 		"notice_id":          noticePublicationID,
 		"object_key":         objectKey,