Added basic tests for testing a real websocket

app/pnpm-lock.yaml

@@ -87,6 +87,9 @@ importers:
       '@types/three':
         specifier: ^0.180.0
         version: 0.180.0
+      '@types/ws':
+        specifier: ^8.18.1
+        version: 8.18.1
       '@typescript-eslint/eslint-plugin':
         specifier: ^8.46.0
         version: 8.46.0(@typescript-eslint/parser@8.46.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.3))(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.3)
@@ -147,6 +150,9 @@ importers:
       vitest:
         specifier: ^3.2.4
         version: 3.2.4(@types/node@24.7.1)(jiti@2.6.1)(jsdom@27.0.0(postcss@8.5.6))(lightningcss@1.30.2)(yaml@2.8.1)
+      ws:
+        specifier: ^8.18.3
+        version: 8.18.3
 
 packages:
 
@@ -763,6 +769,9 @@ packages:
   '@types/webxr@0.5.24':
     resolution: {integrity: sha512-h8fgEd/DpoS9CBrjEQXR+dIDraopAEfu4wYVNY2tEPwk60stPWhvZMf4Foo5FakuQ7HFZoa8WceaWFervK2Ovg==}
 
+  '@types/ws@8.18.1':
+    resolution: {integrity: sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==}
+
   '@typescript-eslint/eslint-plugin@8.46.0':
     resolution: {integrity: sha512-hA8gxBq4ukonVXPy0OKhiaUh/68D0E88GSmtC1iAEnGaieuDi38LhS7jdCHRLi6ErJBNDGCzvh5EnzdPwUc0DA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -2720,7 +2729,6 @@ snapshots:
   '@types/node@24.7.1':
     dependencies:
       undici-types: 7.14.0
-    optional: true
 
   '@types/stats.js@0.17.4': {}
 
@@ -2736,6 +2744,10 @@ snapshots:
 
   '@types/webxr@0.5.24': {}
 
+  '@types/ws@8.18.1':
+    dependencies:
+      '@types/node': 24.7.1
+
   '@typescript-eslint/eslint-plugin@8.46.0(@typescript-eslint/parser@8.46.0(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.3))(eslint@9.37.0(jiti@2.6.1))(typescript@5.9.3)':
     dependencies:
       '@eslint-community/regexpp': 4.12.1
@@ -3999,8 +4011,7 @@ snapshots:
 
   ufo@1.6.1: {}
 
-  undici-types@7.14.0:
-    optional: true
+  undici-types@7.14.0: {}
 
   unplugin-icons@22.4.2(svelte@5.39.11):
     dependencies: