restyle connection banner as floating pill and fix focus reconnect

frontend/apps/main/src/components/banner/ConnectionBanner.vue

@@ -1,35 +1,51 @@
 <template>
-  <BaseBanner
-    v-if="!isOnline"
-    :text="$t('globals.messages.noInternetConnection')"
-    color-class="bg-warning text-warning-foreground"
-  />
-  <BaseBanner
-    v-else-if="connectionFailed"
-    :text="$t('globals.messages.connectionFailedRefresh')"
-    color-class="bg-destructive text-destructive-foreground"
-  />
-  <BaseBanner
-    v-else-if="showReconnecting"
-    :text="$t('globals.messages.connecting')"
-    color-class="bg-warning text-warning-foreground"
-  />
+  <div
+    v-if="banner"
+    role="status"
+    aria-live="polite"
+    aria-atomic="true"
+    class="fixed top-3 left-1/2 -translate-x-1/2 z-50 flex items-center gap-2 rounded-full px-4 py-1.5 text-sm shadow-md"
+    :class="banner.colorClass"
+  >
+    <div class="w-2 h-2 rounded-full bg-current animate-pulse"></div>
+    {{ banner.text }}
+  </div>
 </template>
 
 <script setup>
-import { ref, watch, onUnmounted } from 'vue'
+import { ref, computed, watch, onUnmounted } from 'vue'
+import { useI18n } from 'vue-i18n'
 import { useOnline } from '@vueuse/core'
 import { storeToRefs } from 'pinia'
 import { useConnectionStore } from '@/stores/connection'
-import BaseBanner from '@shared-ui/components/BaseBanner.vue'
 
 const RECONNECTING_DELAY_MS = 1500
 
+const { t } = useI18n()
 const isOnline = useOnline()
 const { connecting, connectionFailed } = storeToRefs(useConnectionStore())
 const showReconnecting = ref(false)
 let reconnectingTimer = null
 
+const banner = computed(() => {
+  if (!isOnline.value)
+    return {
+      text: t('globals.messages.noInternetConnection'),
+      colorClass: 'bg-warning text-warning-foreground'
+    }
+  if (connectionFailed.value)
+    return {
+      text: t('globals.messages.connectionFailedRefresh'),
+      colorClass: 'bg-destructive text-destructive-foreground'
+    }
+  if (showReconnecting.value)
+    return {
+      text: t('globals.messages.connecting'),
+      colorClass: 'bg-warning text-warning-foreground'
+    }
+  return null
+})
+
 // Most drops recover on the first retry, so hold the banner back instead of flashing it.
 watch(connecting, (value) => {
   clearTimeout(reconnectingTimer)

frontend/apps/main/src/stores/connection.js

@@ -2,14 +2,9 @@ import { ref } from 'vue'
 import { defineStore } from 'pinia'
 
 export const useConnectionStore = defineStore('connection', () => {
-  const connected = ref(false)
   const connecting = ref(false)
   const connectionFailed = ref(false)
 
-  const setConnected = (value) => {
-    connected.value = value
-  }
-
   const setConnecting = (value) => {
     connecting.value = value
   }
@@ -19,11 +14,9 @@ export const useConnectionStore = defineStore('connection', () => {
   }
 
   return {
-    connected,
     connecting,
     connectionFailed,
 
-    setConnected,
     setConnecting,
     setConnectionFailed
   }

frontend/apps/main/src/websocket.js

@@ -52,7 +52,6 @@ export class WebSocketClient {
     this.reconnectInterval = 1000
     this.reconnectAttempts = 0
     this.isReconnecting = false
-    this.connectionStore.setConnected(true)
     this.connectionStore.setConnecting(false)
     this.connectionStore.setConnectionFailed(false)
     this.lastPong = Date.now()
@@ -155,7 +154,6 @@ export class WebSocketClient {
   reconnect () {
     if (this.isReconnecting) return
     if (this.reconnectAttempts >= this.maxReconnectAttempts) {
-      this.connectionStore.setConnected(false)
       this.connectionStore.setConnecting(false)
       this.connectionStore.setConnectionFailed(true)
       return
@@ -164,7 +162,6 @@ export class WebSocketClient {
     this.isReconnecting = true
     this.reconnectAttempts++
 
-    this.connectionStore.setConnected(false)
     this.connectionStore.setConnecting(true)
     // The online listener resets the attempt counter, so a retry can follow a give up.
     this.connectionStore.setConnectionFailed(false)
@@ -195,6 +192,8 @@ export class WebSocketClient {
 
     window.addEventListener('focus', () => {
       if (this.socket?.readyState !== WebSocket.OPEN) {
+        this.reconnectAttempts = 0
+        this.reconnectInterval = 1000
         this.reconnect()
       }
     })
@@ -322,7 +321,6 @@ export class WebSocketClient {
   close () {
     this.manualClose = true
     this.clearPing()
-    this.connectionStore.setConnected(false)
     this.connectionStore.setConnecting(false)
     this.connectionStore.setConnectionFailed(false)
     if (this.socket) {