test(harness): wsListener helper for capturing real WS events

pnpm-lock.yaml

@@ -129,6 +129,9 @@ importers:
       vitest:
         specifier: ^4.0.18
         version: 4.0.18(@types/node@20.19.33)(jiti@1.21.7)(jsdom@28.1.0)(terser@5.46.0)(tsx@4.21.0)
+      ws:
+        specifier: ^8.20.0
+        version: 8.20.0
 
   packages/shared:
     devDependencies:
@@ -5491,8 +5494,8 @@ packages:
   wrappy@1.0.2:
     resolution: {integrity: sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==}
 
-  ws@8.19.0:
-    resolution: {integrity: sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==}
+  ws@8.20.0:
+    resolution: {integrity: sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==}
     engines: {node: '>=10.0.0'}
     peerDependencies:
       bufferutil: ^4.0.1
@@ -6785,7 +6788,7 @@ snapshots:
     dependencies:
       duplexify: 4.1.3
       fastify-plugin: 4.5.1
-      ws: 8.19.0
+      ws: 8.20.0
     transitivePeerDependencies:
       - bufferutil
       - utf-8-validate
@@ -11548,7 +11551,7 @@ snapshots:
 
   wrappy@1.0.2: {}
 
-  ws@8.19.0: {}
+  ws@8.20.0: {}
 
   xml-name-validator@5.0.0: {}