feat: add Vue.js WebUI — YesPlayMusic-inspired SPA with all pages and components

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/src/components/Navbar.vue

@@ -0,0 +1,98 @@
+<template>
+  <nav class="navbar frosted-glass">
+    <RouterLink to="/" class="logo">TSMusicBot</RouterLink>
+
+    <div class="nav-links">
+      <RouterLink to="/" class="nav-link" active-class="active">发现</RouterLink>
+      <RouterLink to="/search" class="nav-link" active-class="active">搜索</RouterLink>
+      <RouterLink to="/history" class="nav-link" active-class="active">播放历史</RouterLink>
+    </div>
+
+    <div class="nav-right">
+      <div v-if="activeBot" class="bot-status" :class="{ online: activeBot.connected }">
+        {{ activeBot.name }} {{ activeBot.connected ? '在线' : '离线' }}
+      </div>
+      <RouterLink to="/settings" class="settings-btn">
+        <Icon icon="mdi:cog" />
+      </RouterLink>
+    </div>
+  </nav>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import { Icon } from '@iconify/vue';
+import { usePlayerStore } from '../stores/player.js';
+
+const store = usePlayerStore();
+const activeBot = computed(() => store.activeBot);
+</script>
+
+<style lang="scss" scoped>
+.navbar {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: var(--navbar-height);
+  display: flex;
+  align-items: center;
+  padding: 0 10vw;
+  z-index: 100;
+  border-bottom: 1px solid var(--border-color);
+
+  @media (max-width: 1336px) {
+    padding: 0 5vw;
+  }
+}
+
+.logo {
+  font-size: 18px;
+  font-weight: 700;
+  color: var(--color-primary);
+  margin-right: 40px;
+}
+
+.nav-links {
+  display: flex;
+  gap: 24px;
+}
+
+.nav-link {
+  font-size: 14px;
+  font-weight: 600;
+  opacity: 0.6;
+  transition: opacity var(--transition-fast);
+
+  &:hover { opacity: 0.8; }
+  &.active { opacity: 1; color: var(--color-primary); }
+}
+
+.nav-right {
+  margin-left: auto;
+  display: flex;
+  align-items: center;
+  gap: 16px;
+}
+
+.bot-status {
+  padding: 4px 12px;
+  background: var(--hover-bg);
+  border-radius: var(--radius-sm);
+  font-size: 12px;
+  opacity: 0.6;
+
+  &.online {
+    background: rgba(51, 94, 234, 0.15);
+    color: var(--color-primary);
+    opacity: 1;
+  }
+}
+
+.settings-btn {
+  font-size: 20px;
+  opacity: 0.6;
+  transition: opacity var(--transition-fast);
+  &:hover { opacity: 1; }
+}
+</style>