Resolve canonical parties with campaign configuration

internal/app/config_loader.go

@@ -155,12 +155,11 @@ func loadPipelineCampaignConfig(pipelineFlag, campaignFlag, campaignFileFlag str
 			return nil, fmt.Errorf("campaign config %q invalid: campaign_id %q does not match selected campaign %q", resolvedCampaignPath, got, selectedID)
 		}
 	}
-	return &pipelineCampaignConfig{
-		PipelinePath: loadedPipelinePath,
-		CampaignPath: resolvedCampaignPath,
-		Pipeline:     pipelineCfg,
-		Campaign:     campaignCfg,
-	}, nil
+	loaded, err := config.LoadPipelineCampaign(loadedPipelinePath, pipelineCfg, resolvedCampaignPath, campaignCfg)
+	if err != nil {
+		return nil, err
+	}
+	return &loaded, nil
 }
 
 func loadPipelineConfig(pipelineFlag string, opts config.PipelineLoadOptions) (string, *config.PipelineConfig, error) {