diff --git a/frontend/src/components/HelloWorld.vue b/frontend/src/components/HelloWorld.vue
deleted file mode 100644
index 546ebbc..0000000
--- a/frontend/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,43 +0,0 @@
-<script setup>
-import { ref } from 'vue'
-
-defineProps({
-  msg: String,
-})
-
-const count = ref(0)
-</script>
-
-<template>
-  <h1>{{ msg }}</h1>
-
-  <div class="card">
-    <button type="button" @click="count++">count is {{ count }}</button>
-    <p>
-      Edit
-      <code>components/HelloWorld.vue</code> to test HMR
-    </p>
-  </div>
-
-  <p>
-    Check out
-    <a href="https://vuejs.org/guide/quick-start.html#local" target="_blank"
-      >create-vue</a
-    >, the official Vue + Vite starter
-  </p>
-  <p>
-    Learn more about IDE Support for Vue in the
-    <a
-      href="https://vuejs.org/guide/scaling-up/tooling.html#ide-support"
-      target="_blank"
-      >Vue Docs Scaling up Guide</a
-    >.
-  </p>
-  <p class="read-the-docs">Click on the Vite and Vue logos to learn more</p>
-</template>
-
-<style scoped>
-.read-the-docs {
-  color: #888;
-}
-</style>
diff --git a/frontend/src/components/NetworkStatus.vue b/frontend/src/components/NetworkStatus.vue
deleted file mode 100644
index fe6c08c..0000000
--- a/frontend/src/components/NetworkStatus.vue
+++ /dev/null
@@ -1,157 +0,0 @@
-<script setup>
-import { ref, onMounted, onUnmounted } from 'vue'
-
-const latency = ref(0)
-const quality = ref('excellent')
-const lastCheckTime = ref(Date.now())
-
-const props = defineProps({
-  checkInterval: {
-    type: Number,
-    default: 5000 // Check every 5 seconds
-  }
-})
-
-let intervalId = null
-
-onMounted(() => {
-  checkNetworkStatus()
-  intervalId = setInterval(checkNetworkStatus, props.checkInterval)
-})
-
-onUnmounted(() => {
-  if (intervalId) clearInterval(intervalId)
-})
-
-async function checkNetworkStatus() {
-  const startTime = Date.now()
-
-  try {
-    const response = await fetch('/api/health', {
-      method: 'HEAD'
-    })
-
-    if (response.ok) {
-      const endTime = Date.now()
-      latency.value = endTime - startTime
-      updateQuality(latency.value)
-    }
-  } catch (error) {
-    latency.value = 0
-    quality.value = 'offline'
-  }
-
-  lastCheckTime.value = Date.now()
-}
-
-function updateQuality(lat) {
-  if (lat < 100) quality.value = 'excellent'
-  else if (lat < 300) quality.value = 'good'
-  else if (lat < 600) quality.value = 'fair'
-  else quality.value = 'poor'
-}
-
-function getStatusColor() {
-  switch (quality.value) {
-    case 'excellent': return '#4caf50'
-    case 'good': return '#8bc34a'
-    case 'fair': return '#ffc107'
-    case 'poor': return '#ff9800'
-    case 'offline': return '#f44336'
-    default: return '#666'
-  }
-}
-
-function getStatusEmoji() {
-  switch (quality.value) {
-    case 'excellent': return 'O'
-    case 'good': return 'O'
-    case 'fair': return 'O'
-    case 'poor': return 'O'
-    case 'offline': return 'O'
-    default: return 'O'
-  }
-}
-</script>
-
-<template>
-  <div class="network-status" :style="{ backgroundColor: getStatusColor() }">
-    <div class="status-content">
-      <span class="emoji">{{ getStatusEmoji() }}</span>
-      <span class="text">
-        <span class="latency">{{ latency }}ms</span>
-        <span class="quality">{{ quality }}</span>
-      </span>
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.network-status {
-  position: fixed;
-  bottom: 2rem;
-  right: 2rem;
-  padding: 0.75rem 1.25rem;
-  border-radius: 20px;
-  color: white;
-  font-size: 0.85rem;
-  font-weight: 600;
-  display: flex;
-  align-items: center;
-  gap: 0.5rem;
-  z-index: 40;
-  transition: all 0.3s;
-  border: 1px solid rgba(255, 255, 255, 0.2);
-  backdrop-filter: blur(10px);
-  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2);
-}
-
-.network-status:hover {
-  transform: scale(1.05);
-  border-color: rgba(255, 255, 255, 0.3);
-  box-shadow: 0 12px 40px rgba(31, 38, 135, 0.3);
-}
-
-.status-content {
-  display: flex;
-  align-items: center;
-  gap: 0.5rem;
-}
-
-.emoji {
-  font-size: 1rem;
-  display: inline-block;
-}
-
-.text {
-  display: flex;
-  flex-direction: column;
-  gap: 0.2rem;
-}
-
-.latency {
-  display: block;
-  font-weight: 700;
-  font-size: 0.9rem;
-}
-
-.quality {
-  display: block;
-  font-size: 0.75rem;
-  opacity: 0.9;
-  text-transform: capitalize;
-}
-
-@media (max-width: 768px) {
-  .network-status {
-    bottom: 1rem;
-    right: 1rem;
-    padding: 0.5rem 0.75rem;
-    font-size: 0.75rem;
-  }
-
-  .emoji {
-    font-size: 0.9rem;
-  }
-}
-</style>
diff --git a/frontend/src/composables/useWebSocket.js b/frontend/src/composables/useWebSocket.js
index 26cbbc4..e01556b 100644
--- a/frontend/src/composables/useWebSocket.js
+++ b/frontend/src/composables/useWebSocket.js
@@ -52,13 +52,6 @@ export function useWebSocket(sessionId = null) {
     }
   }
 
-  function subscribe(params) {
-    send({
-      type: 'subscribe',
-      ...params
-    })
-  }
-
   onUnmounted(() => {
     disconnect()
   })
@@ -69,7 +62,6 @@ export function useWebSocket(sessionId = null) {
     messages,
     connect,
     disconnect,
-    send,
-    subscribe
+    send
   }
 }