fix(workbench): complete profile and channel flows

backend/cmd/api/main.go

@@ -39,6 +39,7 @@ func main() {
 	taskService := tasks.NewService(models.DBService)
 	projectHandler := projects.NewHandler(projectService)
 	tagHandler := projects.NewTagHandler(projectService)
+	channelHandler := projects.NewChannelHandler(projectService)
 	cronHandler := projects.NewCronHandler(projectService)
 	taskHandler := tasks.NewHandler(taskService)
 	documentHandler := documents.NewHandler(documentService, cfg.MaxUploadBytes)
@@ -54,6 +55,7 @@ func main() {
 		datasetHandler,
 		projectHandler,
 		tagHandler,
+		channelHandler,
 		cronHandler,
 		taskHandler,
 		documentHandler,