nuxt-app/app/components/agent/AgentToolbar.vue

<script setup lang="ts">
interface ModelOption {
  id: number;
  name: string;
  modelId: string;
  providerName: string;
}

const props = defineProps<{
  modelId: number | null;
  models: ModelOption[];
  enableThinking: boolean;
  enableTools: boolean;
  loggedIn: boolean;
  rateLimitInfo?: {
    sessionRemaining: number | null;
    ipRemaining: number | null;
  };
}>();

const emit = defineEmits<{
  "update:modelId": [modelId: number | null];
  "update:enableThinking": [val: boolean];
  "update:enableTools": [val: boolean];
  showPrompt: [];
  toggleSidebar: [];
}>();
</script>

<template>
  <div class="agent-toolbar">
    <div class="toolbar-left">
      <button class="icon-btn" title="菜单" @click="emit('toggleSidebar')">
        <Icon name="lucide:menu" />
      </button>
      <AgentModelSelector
        :model-id="modelId"
        :models="models"
        @update="emit('update:modelId', $event)"
      />
    </div>

    <div class="toolbar-right">
      <!-- Rate limit indicator (guest only) -->
      <div v-if="!loggedIn && rateLimitInfo" class="rate-limit-info">
        <Icon name="lucide:zap" class="rl-icon" />
        <span v-if="rateLimitInfo.sessionRemaining !== null">
          本对话 {{ rateLimitInfo.sessionRemaining }}/20
        </span>
        <span v-if="rateLimitInfo.ipRemaining !== null" class="rl-sep">·</span>
        <span v-if="rateLimitInfo.ipRemaining !== null">
          今日 {{ rateLimitInfo.ipRemaining }}/50
        </span>
      </div>

      <!-- Thinking toggle -->
      <button
        class="toggle-btn"
        :class="{ active: enableThinking }"
        title="思考模式"
        @click="emit('update:enableThinking', !enableThinking)"
      >
        <Icon name="lucide:brain" />
        <span>思考</span>
      </button>

      <!-- Tools toggle (logged in only) -->
      <button
        v-if="loggedIn"
        class="toggle-btn"
        :class="{ active: enableTools }"
        title="工具调用"
        @click="emit('update:enableTools', !enableTools)"
      >
        <Icon name="lucide:wrench" />
        <span>工具</span>
      </button>

      <!-- System prompt button -->
      <button class="icon-btn" title="系统提示词" @click="emit('showPrompt')">
        <Icon name="lucide:info" />
      </button>
    </div>
  </div>
</template>

<style scoped>
.agent-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  border-bottom: 1px solid var(--color-hairline);
  background: var(--color-canvas);
  flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  background: none;
  border-radius: 8px;
  cursor: pointer;
  color: var(--color-muted);
  font-size: 18px;
  transition: all 0.15s;
}

.icon-btn:hover {
  background: var(--color-surface-soft);
  color: var(--color-ink);
}

.toggle-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-hairline);
  border-radius: 8px;
  font-size: 13px;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.toggle-btn:hover {
  border-color: var(--color-primary);
}

.toggle-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.rate-limit-info {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-hairline);
  border-radius: 8px;
  font-size: 12px;
  color: var(--color-muted);
}

.rl-icon {
  font-size: 13px;
  color: var(--color-accent-amber);
}

.rl-sep {
  margin: 0 2px;
}
</style>