feat: add voice studio prototype flow

frontend/src/views/Home.vue

@@ -7,7 +7,8 @@ import BaseButton from '../components/ui/BaseButton.vue'
 import LoginDialog from '../components/ui/LoginDialog.vue'
 import {
   SparklesIcon,
-  ArrowRightOnRectangleIcon
+  ArrowRightOnRectangleIcon,
+  MicrophoneIcon,
 } from '@heroicons/vue/24/outline'
 
 const { locale } = useI18n()
@@ -36,6 +37,14 @@ function openCreateModal() {
   router.push({ path: '/my-stories', query: { openCreate: 'true' } })
 }
 
+function openVoiceStudio() {
+  if (!userStore.user) {
+    showLoginDialog.value = true
+    return
+  }
+  router.push('/voice-studio')
+}
+
 function scrollToFeatures() {
   document.getElementById('features')?.scrollIntoView({ behavior: 'smooth' })
 }
@@ -139,6 +148,10 @@ function scrollToFeatures() {
                     <SparklesIcon class="h-5 w-5 mr-2" />
                     开始创作故事
                 </BaseButton>
+                <BaseButton size="lg" variant="secondary" @click="openVoiceStudio">
+                    <MicrophoneIcon class="h-5 w-5 mr-2" />
+                    进入语音共创
+                </BaseButton>
                 <button @click="scrollToFeatures" class="px-6 py-3 rounded-xl font-semibold text-stone-600 bg-white border border-stone-200 hover:border-amber-400 hover:text-amber-700 transition-all shadow-sm">
                    了解更多功能
                 </button>