feat(agent-ui): 添加智能体选择弹窗并优化默认标记样式

- 在AgentSingleView中添加智能体选择弹窗功能
- 重构默认智能体标记的样式和位置
- 仅管理员显示系统设置菜单项

web/src/components/UserInfoComponent.vue

@@ -29,8 +29,8 @@
             <component :is="themeStore.isDark ? Sun : Moon" size="16"/>
             <span class="menu-text">{{ themeStore.isDark ? '切换到浅色模式' : '切换到深色模式 (Beta)' }}</span>
           </a-menu-item>
-          <a-menu-divider />
+          <a-menu-divider v-if="userStore.isAdmin"/>
-          <a-menu-item key="setting" @click="goToSetting">
+          <a-menu-item v-if="userStore.isAdmin" key="setting" @click="goToSetting">
             <Settings size="16"/>
             <span class="menu-text">系统设置</span>
           </a-menu-item>

web/src/views/AgentSingleView.vue

@@ -1,7 +1,47 @@
 <template>
   <div class="agent-single-view">
+    <!-- 智能体选择弹窗 -->
+    <a-modal
+      v-model:open="agentModalOpen"
+      title="选择智能体"
+      :width="800"
+      :footer="null"
+      :maskClosable="true"
+      class="agent-modal"
+    >
+      <div class="agent-modal-content">
+        <div class="agents-grid">
+          <div
+            v-for="agent in agents"
+            :key="agent.id"
+            class="agent-card"
+            :class="{ 'selected': agent.id === agentId }"
+            @click="selectAgentFromModal(agent.id)"
+          >
+            <div class="agent-card-header">
+              <div class="agent-card-title">
+                <span class="agent-card-name">{{ agent.name || 'Unknown' }}</span>
+              </div>
+              <StarFilled v-if="agent.id === defaultAgentId" class="default-icon" />
+              <StarOutlined v-else @click.prevent="setAsDefaultAgent(agent.id)" class="default-icon" />
+            </div>
+
+            <div class="agent-card-description">
+              {{ agent.description || '' }}
+            </div>
+          </div>
+        </div>
+      </div>
+    </a-modal>
+
     <!-- 智能体聊天界面 -->
     <AgentChatComponent ref="chatComponentRef" :agent-id="agentId" :single-mode="true">
+      <template #header-left>
+        <div type="button" class="agent-nav-btn" @click="openAgentModal">
+          <span class="text">{{ currentAgentName || '选择智能体' }}</span>
+          <ChevronDown size="16" class="switch-icon" />
+        </div>
+      </template>
       <template #header-right>
         <div type="button" class="agent-nav-btn" @click="handleShareChat">
           <Share2 size="18" class="nav-btn-icon" />
@@ -14,19 +54,66 @@
 </template>
 
 <script setup>
-import { computed, ref } from 'vue';
+import { computed, ref, onMounted } from 'vue';
 import { message } from 'ant-design-vue';
-import { useRoute } from 'vue-router';
+import { useRoute, useRouter } from 'vue-router';
-import { Share2 } from 'lucide-vue-next';
+import { Share2, ChevronDown } from 'lucide-vue-next';
+import { StarFilled, StarOutlined } from '@ant-design/icons-vue';
 import AgentChatComponent from '@/components/AgentChatComponent.vue';
 import UserInfoComponent from '@/components/UserInfoComponent.vue';
 import { ChatExporter } from '@/utils/chatExporter';
 import { handleChatError } from '@/utils/errorHandler';
+import { useAgentStore } from '@/stores/agent';
+import { storeToRefs } from 'pinia';
 
 const route = useRoute();
+const router = useRouter();
+const agentStore = useAgentStore();
+
 const agentId = computed(() => route.params.agent_id);
 const chatComponentRef = ref(null);
 
+// 智能体选择弹窗状态
+const agentModalOpen = ref(false);
+
+// 从 store 获取智能体数据
+const { agents, defaultAgentId } = storeToRefs(agentStore);
+
+// 当前智能体名称
+const currentAgentName = computed(() => {
+  if (!agentId.value || !agents.value?.length) return '智能体加载中……';
+  const agent = agents.value.find(a => a.id === agentId.value);
+  return agent ? agent.name : '未知智能体';
+});
+
+// 打开智能体选择弹窗
+const openAgentModal = () => {
+  agentModalOpen.value = true;
+};
+
+// 从弹窗中选择智能体 - 切换路由
+const selectAgentFromModal = (newAgentId) => {
+  if (newAgentId === agentId.value) {
+    // 如果选择的是当前智能体，只需要关闭弹窗
+    agentModalOpen.value = false;
+    return;
+  }
+
+  // 跳转到新的智能体页面
+  router.push(`/agent/${newAgentId}`);
+  agentModalOpen.value = false;
+};
+
+// 设置默认智能体
+const setAsDefaultAgent = async (agentIdToSet) => {
+  try {
+    await agentStore.setDefaultAgent(agentIdToSet);
+    message.success('已设置为默认智能体');
+  } catch (error) {
+    handleChatError(error, 'save');
+  }
+};
+
 const handleShareChat = async () => {
   try {
     const exportData = chatComponentRef.value?.getExportPayload?.();
@@ -54,6 +141,17 @@ const handleShareChat = async () => {
     handleChatError(error, 'export');
   }
 };
+
+// 初始化时确保智能体 store 已加载
+onMounted(async () => {
+  if (!agentStore.isInitialized) {
+    try {
+      await agentStore.initialize();
+    } catch (error) {
+      console.error('初始化智能体 store 失败:', error);
+    }
+  }
+});
 </script>
 
 <style lang="less" scoped>
@@ -73,6 +171,115 @@ const handleShareChat = async () => {
   z-index: 10;
 }
 
+// 智能体选择弹窗样式
+.agent-modal {
+  :deep(.ant-modal-content) {
+    border-radius: 8px;
+    overflow: hidden;
+  }
+
+  :deep(.ant-modal-header) {
+    background: var(--gray-0);
+    border-bottom: 1px solid var(--gray-200);
+    padding: 16px 20px;
+
+    .ant-modal-title {
+      font-weight: 600;
+      color: var(--gray-900);
+    }
+  }
+
+  :deep(.ant-modal-body) {
+    padding: 20px;
+    background: var(--gray-0);
+  }
+
+  .agent-modal-content {
+    .agents-grid {
+      display: grid;
+      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+      gap: 12px;
+      max-height: 500px;
+      overflow-y: auto;
+    }
+
+    .agent-card {
+      border: 1px solid var(--gray-200);
+      border-radius: 8px;
+      padding: 16px;
+      cursor: pointer;
+      transition: all 0.2s ease;
+      background: var(--gray-0);
+
+      &:hover {
+        border-color: var(--main-color);
+      }
+
+      .agent-card-header {
+        display: flex;
+        justify-content: space-between;
+        align-items: flex-start;
+        margin-bottom: 12px;
+
+        .agent-card-title {
+          flex: 1;
+
+          .agent-card-name {
+            font-size: 16px;
+            font-weight: 600;
+            color: var(--gray-900);
+            line-height: 1.4;
+          }
+        }
+
+        .default-icon {
+          color: var(--color-warning-500);
+          font-size: 16px;
+          flex-shrink: 0;
+          margin-left: 8px;
+          cursor: pointer;
+
+          &:hover {
+            color: var(--color-warning-600);
+          }
+        }
+      }
+
+      .agent-card-description {
+        font-size: 14px;
+        color: var(--gray-700);
+        line-height: 1.5;
+        word-break: break-word;
+        white-space: pre-wrap;
+      }
+
+      &.selected {
+        border-color: var(--main-color);
+        background: var(--main-20);
+
+        .agent-card-header .agent-card-title .agent-card-name {
+          color: var(--main-color);
+        }
+
+        .agent-card-description {
+          color: var(--gray-900);
+        }
+      }
+    }
+  }
+}
+
+// 响应式适配智能体弹窗
+@media (max-width: 768px) {
+  .agent-modal {
+    .agent-modal-content {
+      .agents-grid {
+        grid-template-columns: 1fr;
+      }
+    }
+  }
+}
+
 // 侧边栏样式
 .sidebar {
   // position: absolute;
@@ -129,3 +336,38 @@ const handleShareChat = async () => {
 }
 </style>
 
+<style lang="less">
+.agent-nav-btn {
+  display: flex;
+  gap: 10px;
+  padding: 6px 14px;
+  justify-content: center;
+  align-items: center;
+  border-radius: 12px;
+  color: var(--gray-900);
+  cursor: pointer;
+  width: auto;
+  font-size: 15px;
+  transition: background-color 0.3s;
+  border: none;
+  background: transparent;
+
+  &:hover {
+    background-color: var(--gray-50);
+  }
+
+  .nav-btn-icon {
+    height: 24px;
+  }
+
+  .switch-icon {
+    color: var(--gray-500);
+    transition: all 0.2s ease;
+  }
+
+  &:hover .switch-icon {
+    color: var(--main-500);
+  }
+}
+</style>
+

web/src/views/AgentView.vue

@@ -22,9 +22,9 @@
               <div class="agent-card-header">
                 <div class="agent-card-title">
                   <span class="agent-card-name">{{ agent.name || 'Unknown' }}</span>
-                  <StarFilled v-if="agent.id === defaultAgentId" class="default-icon" />
-                  <StarOutlined v-else @click.prevent="setAsDefaultAgent(agent.id)" class="default-icon" />
                 </div>
+                <StarFilled v-if="agent.id === defaultAgentId" class="default-icon" />
+                <StarOutlined v-else @click.prevent="setAsDefaultAgent(agent.id)" class="default-icon" />
               </div>
 
               <div class="agent-card-description">
@@ -428,12 +428,6 @@ const handlePreview = () => {
       white-space: pre-wrap;
     }
   }
-
-  .default-icon {
-    color: var(--color-warning-500);
-    font-size: 14px;
-    margin-left: 4px;
-  }
 }
 // 工具选择器样式（与项目风格一致）
 .tools-selector {
@@ -754,11 +748,6 @@ const handlePreview = () => {
       color: var(--gray-900);
       font-weight: 500;
     }
-
-    .default-icon {
-      color: var(--color-warning-500);
-      font-size: 14px;
-    }
   }
 }
 
@@ -814,9 +803,6 @@ const handlePreview = () => {
         margin-bottom: 12px;
 
         .agent-card-title {
-          display: flex;
-          align-items: center;
-          gap: 8px;
           flex: 1;
 
           .agent-card-name {
@@ -825,11 +811,17 @@ const handlePreview = () => {
             color: var(--gray-900);
             line-height: 1.4;
           }
+        }
 
-          .default-icon {
+        .default-icon {
-            color: var(--color-warning-500);
+          color: var(--color-warning-500);
-            font-size: 16px;
+          font-size: 16px;
-            flex-shrink: 0;
+          flex-shrink: 0;
+          margin-left: 8px;
+          cursor: pointer;
+
+          &:hover {
+            color: var(--color-warning-600);
           }
         }
       }