feat: 全新智能体功能

- 基于先进智能体框架，增加智能体编排功能
- 增加智能体聊天，并对接持久化

easyflow-ui-admin/app/src/components/ai-chat/AiPromptInput.test.ts

@@ -0,0 +1,33 @@
+import {mount} from '@vue/test-utils';
+
+import {describe, expect, it} from 'vitest';
+
+import AiPromptInput from './AiPromptInput.vue';
+
+describe('AiPromptInput', () => {
+  it('emits send when loading is false', async () => {
+    const wrapper = mount(AiPromptInput, {
+      props: {
+        loading: false,
+      },
+    });
+
+    await wrapper.find('textarea').setValue('你好');
+    await wrapper.find('[aria-label="发送"]').trigger('click');
+
+    expect(wrapper.emitted('send')?.[0]?.[0]).toBe('你好');
+  });
+
+  it('emits stop when loading is true', async () => {
+    const wrapper = mount(AiPromptInput, {
+      props: {
+        loading: true,
+      },
+    });
+
+    expect(wrapper.find('[aria-label="中止"]').exists()).toBe(true);
+    await wrapper.find('[aria-label="中止"]').trigger('click');
+
+    expect(wrapper.emitted('stop')).toBeTruthy();
+  });
+});