fix: align live flow contracts and preserve existing result state

Closes #9

internal/server/handlers.go

@@ -592,8 +592,6 @@ func (s *Server) handleCollectStart(w http.ResponseWriter, r *http.Request) {
 	}
 
 	job := s.jobManager.CreateJob(req)
-	s.SetResult(newAPIResult(req))
-	s.SetDetectedVendor("")
 	s.startMockCollectionJob(job.ID, req)
 
 	w.Header().Set("Content-Type", "application/json")
@@ -681,6 +679,8 @@ func (s *Server) startMockCollectionJob(jobID string, req CollectRequest) {
 
 		s.jobManager.UpdateJobStatus(jobID, CollectStatusSuccess, 100, "")
 		s.jobManager.AppendJobLog(jobID, "Сбор завершен")
+		s.SetResult(newAPIResult(req))
+		s.SetDetectedVendor("")
 	}()
 }