document scraper logic and API refactor

internal/document_scraper/form.go

@@ -11,9 +11,14 @@ type DocumentScraperGetRequest struct {
 	NoticeID string `param:"notice_id" valid:"required~Notice ID is required"`
 }
 
-// DocumentScraperTenderResponse represents the response for a tender returned to the document scraper service
+// DocumentScraperTenderResponse represents the response for a tender returned to the document scraper service.
+//
+// ContractFolderID is the TED procedure identifier (BT-04 / ContractFolderID),
+// included so the scraper can build the MinIO upload path for this notice:
+//
+//	PROC_<contract_folder_id>/<notice_publication_id>/<file>
 type DocumentScraperTenderResponse struct {
-	ID                  string `json:"id"`
+	ContractFolderID    string `json:"contract_folder_id"`
 	NoticePublicationID string `json:"notice_publication_id"`
 	DocumentURL         string `json:"document_url"`
 	Title               string `json:"title"`