feat: 先进智能体功能上线

- 基于 agent-runtime 打造，默认 ReAct agent
- 支持 agent 能力对接，已对接工作流、插件、知识库等 tool 能力
- 全新 agent 编排界面，支持可视化便捷配置 agent
- 全新 agent 聊天界面，支持快捷操作、额外知识库选择等

easyflow-ui-admin/app/src/views/ai/agents/AgentDesigner.vue

@@ -34,6 +34,8 @@ import {useAgentDesignerState} from './composables/useAgentDesignerState';
 
 const route = useRoute();
 const router = useRouter();
+const AGENT_TAB_PAGE_KEY = '/ai/agents';
+const DEFAULT_AGENT_TITLE = '未命名智能体';
 const {
   state,
   addKnowledgeNode,
@@ -52,6 +54,7 @@ const {
 
 const pageLoading = ref(false);
 const saveLoading = ref(false);
+const offlineLoading = ref(false);
 const publishLoading = ref(false);
 const issues = ref<AgentValidationIssue[]>([]);
 const categories = ref<AgentOption[]>([]);
@@ -62,14 +65,6 @@ const pluginTools = ref<AgentOption[]>([]);
 
 const isNew = computed(() => String(route.params.id || '') === 'new');
 const publishText = computed(() => {
-  if (
-    canAiResourceOffline(
-      state.agent.displayPublishStatus,
-      state.agent.publishStatus,
-    )
-  ) {
-    return '下线';
-  }
   if (
     canAiResourceRepublish(
       state.agent.displayPublishStatus,
@@ -81,6 +76,13 @@ const publishText = computed(() => {
   return '发布';
 });
 
+const offlineVisible = computed(() =>
+  canAiResourceOffline(
+    state.agent.displayPublishStatus,
+    state.agent.publishStatus,
+  ),
+);
+
 const publishDisabled = computed(() => {
   if (!state.agent.id) return true;
   if (
@@ -99,14 +101,15 @@ const publishDisabled = computed(() => {
     canAiResourceRepublish(
       state.agent.displayPublishStatus,
       state.agent.publishStatus,
-    ) ||
-    canAiResourceOffline(
-      state.agent.displayPublishStatus,
-      state.agent.publishStatus,
     )
   );
 });
 
+const offlineDisabled = computed(() => {
+  if (!state.agent.id) return true;
+  return !offlineVisible.value;
+});
+
 onMounted(async () => {
   pageLoading.value = true;
   try {
@@ -119,14 +122,55 @@ onMounted(async () => {
 async function loadAgent() {
   if (isNew.value) {
     reset();
+    syncNavTitle(DEFAULT_AGENT_TITLE, { force: true });
     return;
   }
   const [, res] = await tryit(getAgentDetail)(String(route.params.id));
   if (res?.errorCode === 0) {
     reset(res.data);
+    syncNavTitle(resolveAgentTitle(res.data), { force: !hasNavTitle() });
   }
 }
 
+function hasNavTitle() {
+  const navTitle = Array.isArray(route.query.navTitle)
+    ? route.query.navTitle[0]
+    : route.query.navTitle;
+  return typeof navTitle === 'string' && navTitle.trim();
+}
+
+function resolveAgentTitle(agent = state.agent) {
+  return String(agent.name || '').trim() || DEFAULT_AGENT_TITLE;
+}
+
+function syncNavTitle(title: string, options: { force?: boolean } = {}) {
+  const normalizedTitle = String(title || '').trim() || DEFAULT_AGENT_TITLE;
+  const query = route.query as Record<string, any>;
+  const currentNavTitle = Array.isArray(query.navTitle)
+    ? query.navTitle[0]
+    : query.navTitle;
+  const currentPageKey = Array.isArray(query.pageKey)
+    ? query.pageKey[0]
+    : query.pageKey;
+
+  if (
+    !options.force &&
+    currentNavTitle === normalizedTitle &&
+    currentPageKey === AGENT_TAB_PAGE_KEY
+  ) {
+    return;
+  }
+
+  router.replace({
+    path: route.path,
+    query: {
+      ...query,
+      pageKey: AGENT_TAB_PAGE_KEY,
+      navTitle: normalizedTitle,
+    },
+  });
+}
+
 async function loadOptions() {
   const [categoryRes, modelRes, knowledgeRes, workflowRes, pluginRes] =
     await Promise.all([
@@ -245,8 +289,18 @@ async function handleSave(showMessage = true) {
       id,
     };
     state.dirty = false;
+    const title = resolveAgentTitle();
     if (isNew.value) {
-      await router.replace(`/ai/agents/designer/${id}`);
+      await router.replace({
+        path: `/ai/agents/designer/${id}`,
+        query: {
+          ...route.query,
+          pageKey: AGENT_TAB_PAGE_KEY,
+          navTitle: title,
+        },
+      });
+    } else {
+      syncNavTitle(title, { force: true });
     }
     if (showMessage) {
       ElMessage.success('已保存');
@@ -262,29 +316,19 @@ async function handlePublish() {
   const saved = await handleSave(false);
   if (!saved) return;
 
-  const offline = canAiResourceOffline(
-    state.agent.displayPublishStatus,
-    state.agent.publishStatus,
-  );
   try {
-    await ElMessageBox.confirm(
-      offline ? '确认提交下线审批？' : '确认提交发布审批？',
-      '提示',
-      {
-        confirmButtonText: '确认',
-        cancelButtonText: '取消',
-        type: offline ? 'warning' : 'info',
-      },
-    );
+    await ElMessageBox.confirm('确认提交发布审批？', '提示', {
+      confirmButtonText: '确认',
+      cancelButtonText: '取消',
+      type: 'info',
+    });
   } catch {
     return;
   }
 
   publishLoading.value = true;
   try {
-    const res = offline
-      ? await submitAgentOfflineApproval(String(state.agent.id))
-      : await submitAgentPublishApproval(String(state.agent.id));
+    const res = await submitAgentPublishApproval(String(state.agent.id));
     if (res.errorCode === 0) {
       ElMessage.success(res.message || '已提交');
       await loadAgent();
@@ -294,6 +338,33 @@ async function handlePublish() {
   }
 }
 
+async function handleOffline() {
+  if (!state.agent.id) return;
+  const saved = await handleSave(false);
+  if (!saved) return;
+
+  try {
+    await ElMessageBox.confirm('确认提交下线审批？', '提示', {
+      confirmButtonText: '确认',
+      cancelButtonText: '取消',
+      type: 'warning',
+    });
+  } catch {
+    return;
+  }
+
+  offlineLoading.value = true;
+  try {
+    const res = await submitAgentOfflineApproval(String(state.agent.id));
+    if (res.errorCode === 0) {
+      ElMessage.success(res.message || '已提交');
+      await loadAgent();
+    }
+  } finally {
+    offlineLoading.value = false;
+  }
+}
+
 function handleTryout() {
   if (!runValidation()) return;
   openTryout();
@@ -330,8 +401,12 @@ function handleCloseTryout() {
       :publish-loading="publishLoading"
       :publish-disabled="publishDisabled"
       :publish-text="publishText"
+      :offline-disabled="offlineDisabled"
+      :offline-loading="offlineLoading"
+      :offline-visible="offlineVisible"
       @add="handleAdd"
       @save="handleSave()"
+      @offline="handleOffline"
       @publish="handlePublish"
       @tryout="handleTryout"
     />