добавил импорт

server/index.ts

@@ -22,6 +22,7 @@ import connectmeRouter from './routers/connectme'
 import questioneerRouter from './routers/questioneer'
 import procurementRouter from './routers/procurement'
 import smokeTrackerRouter from './routers/smoke-tracker'
+import assessmentToolsRouter from './routers/assessment-tools'
 import { setIo } from './io'
 
 export const app = express()
@@ -109,6 +110,7 @@ const initServer = async () => {
   app.use('/questioneer', questioneerRouter)
   app.use('/procurement', procurementRouter)
   app.use('/smoke-tracker', smokeTrackerRouter)
+  app.use('/assessment-tools', assessmentToolsRouter)
   app.use(errorHandler)
 
   // Создаем обычный HTTP сервер

server/routers/assessment-tools/index.js

@@ -15,3 +15,4 @@ router.use('/criteria', require('./routes/criteria'));
 router.use('/ratings', require('./routes/ratings'));
 
 module.exports = router;
+module.exports.default = router;