Fix P2 issues

server/routes/connections.ts

@@ -1,5 +1,6 @@
 import { Router } from 'express';
 import * as connService from '../services/connectionService';
+import { ok } from '../types/index';
 
 const router = Router();
 
@@ -8,7 +9,7 @@ router.post('/', async (req, res, next) => {
   try {
     const { fromPortId, toPortId, color, label, edgeType } = req.body;
     const conn = await connService.createConnection({ fromPortId, toPortId, color, label, edgeType });
-    res.status(201).json(conn);
+    res.status(201).json(ok(conn));
   } catch (err) {
     next(err);
   }
@@ -19,7 +20,7 @@ router.put('/:id', async (req, res, next) => {
   try {
     const { color, label, edgeType } = req.body;
     const conn = await connService.updateConnection(req.params.id, { color, label, edgeType });
-    res.json(conn);
+    res.json(ok(conn));
   } catch (err) {
     next(err);
   }
@@ -29,7 +30,7 @@ router.put('/:id', async (req, res, next) => {
 router.delete('/:id', async (req, res, next) => {
   try {
     await connService.deleteConnection(req.params.id);
-    res.json({ success: true });
+    res.json(ok(null));
   } catch (err) {
     next(err);
   }
@@ -39,7 +40,7 @@ router.delete('/:id', async (req, res, next) => {
 router.delete('/ports/:p1/:p2', async (req, res, next) => {
   try {
     await connService.deleteByPorts(req.params.p1, req.params.p2);
-    res.json({ success: true });
+    res.json(ok(null));
   } catch (err) {
     next(err);
   }