feat: add Node.js version warning, fix provider URL detection, and add v0.4.4 changelog (#146)

- Display persistent warning bar when Node.js version < 23
- Fix provider model fetching to support non-v1 API versions (e.g. /v4)
- Add v0.4.4 changelog entries to frontend
- Bump version to 0.4.4

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

packages/client/src/App.vue

@@ -2,6 +2,7 @@
 import { onMounted, onUnmounted, computed, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { darkTheme, NConfigProvider, NMessageProvider, NDialogProvider, NNotificationProvider } from 'naive-ui'
+import { useI18n } from 'vue-i18n'
 import { getThemeOverrides } from '@/styles/theme'
 import { useTheme } from '@/composables/useTheme'
 import AppSidebar from '@/components/layout/AppSidebar.vue'
@@ -10,6 +11,7 @@ import { useAppStore } from '@/stores/hermes/app'
 import SessionSearchModal from '@/components/hermes/chat/SessionSearchModal.vue'
 
 const { isDark } = useTheme()
+const { t } = useI18n()
 const appStore = useAppStore()
 const route = useRoute()
 const router = useRouter()
@@ -20,6 +22,12 @@ const naiveTheme = computed(() => isDark.value ? darkTheme : null)
 
 const isLoginPage = computed(() => route.name === 'login')
 
+const nodeVersionLow = computed(() => {
+  const v = appStore.nodeVersion
+  const major = parseInt(v.split('.')[0], 10)
+  return !isNaN(major) && major < 23
+})
+
 // Close mobile sidebar on route change
 watch(() => route.path, () => {
   appStore.closeSidebar()
@@ -49,6 +57,9 @@ useKeyboard()
     <NMessageProvider>
       <NDialogProvider>
         <NNotificationProvider>
+          <div v-if="nodeVersionLow && ready" class="node-warning-bar">
+            {{ t('sidebar.nodeVersionWarning', { version: appStore.nodeVersion }) }}
+          </div>
           <div v-if="ready" class="app-layout" :class="{ 'no-sidebar': isLoginPage }">
             <button v-if="!isLoginPage" class="hamburger-btn" @click="appStore.toggleSidebar">
               <img src="/logo.png" alt="Menu" style="width: 24px; height: 24px;" />
@@ -89,4 +100,20 @@ useKeyboard()
     height: calc(100 * var(--vh));
   }
 }
+
+.node-warning-bar {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  z-index: 100;
+  padding: 4px 16px;
+  font-size: 12px;
+  font-weight: 500;
+  color: #b45309;
+  background-color: #fef3c7;
+  border-bottom: 1px solid #fde68a;
+  text-align: center;
+  line-height: 1.4;
+}
 </style>