feat: 增强智能体模型调用兼容能力

- 增加模型流式开关和 HTTP 传输策略配置

- 使用 AgentScope 执行基础连接、流式与 VLM 双阶段验证

- 固定多模态校验图片并统一验证状态展示

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

@@ -1,8 +1,8 @@
 <script setup lang="ts">
 /* eslint-disable vue/no-mutating-props */
-import type {AgentInfo, AgentOption} from '../types';
+import type { AgentInfo, AgentOption } from '../types';
 
-import {InfoFilled} from '@element-plus/icons-vue';
+import { InfoFilled } from '@element-plus/icons-vue';
 import {
   ElForm,
   ElFormItem,
@@ -11,6 +11,7 @@ import {
   ElInputNumber,
   ElOption,
   ElSelect,
+  ElSwitch,
   ElTooltip,
 } from 'element-plus';
 
@@ -75,6 +76,27 @@ const emit = defineEmits<{ change: [] }>();
         />
       </ElSelect>
     </ElFormItem>
+    <ElFormItem>
+      <template #label>
+        <span class="agent-form__label">
+          模型流式响应
+          <ElTooltip
+            content="关闭后，模型会在生成完成后一次性返回回答。"
+            effect="light"
+            placement="top"
+          >
+            <ElIcon class="agent-form__info" aria-label="模型流式响应说明">
+              <InfoFilled />
+            </ElIcon>
+          </ElTooltip>
+        </span>
+      </template>
+      <ElSwitch
+        v-model="agent.generationConfigJson!.stream"
+        aria-label="模型流式响应"
+        @change="emit('change')"
+      />
+    </ElFormItem>
     <ElFormItem label="系统提示词">
       <ElInput
         v-model="agent.promptConfigJson!.systemPrompt"

easyflow-ui-admin/app/src/views/ai/agents/composables/useAgentDesignerState.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+  createEmptyAgent,
+  useAgentDesignerState,
+} from './useAgentDesignerState';
+
+describe('useAgentDesignerState generation stream', () => {
+  it('defaults new and legacy agents to streaming', () => {
+    expect(createEmptyAgent().generationConfigJson?.stream).toBe(true);
+
+    const designer = useAgentDesignerState();
+    designer.reset({ name: '旧智能体' });
+
+    expect(designer.state.agent.generationConfigJson?.stream).toBe(true);
+    expect(designer.buildPayloadAgent().generationConfigJson?.stream).toBe(
+      true,
+    );
+  });
+
+  it('preserves an explicitly disabled stream value in the payload', () => {
+    const designer = useAgentDesignerState();
+    designer.reset({
+      name: '非流式智能体',
+      generationConfigJson: { stream: false },
+    });
+
+    expect(designer.state.agent.generationConfigJson?.stream).toBe(false);
+    expect(designer.buildPayloadAgent().generationConfigJson?.stream).toBe(
+      false,
+    );
+  });
+});

easyflow-ui-admin/app/src/views/ai/agents/composables/useAgentDesignerState.ts

@@ -84,6 +84,7 @@ export function createEmptyAgent(): AgentInfo {
     categoryId: '',
     modelId: '',
     promptConfigJson: { systemPrompt: '' },
+    generationConfigJson: { stream: true },
     memoryConfigJson: {
       compressionParameter: {
         enabled: true,
@@ -111,6 +112,10 @@ function normalizeAgent(agent?: AgentInfo): AgentInfo {
       systemPrompt: '',
       ...source.promptConfigJson,
     },
+    generationConfigJson: {
+      ...source.generationConfigJson,
+      stream: source.generationConfigJson?.stream !== false,
+    },
     memoryConfigJson: {
       ...memoryConfig,
       compressionParameter: {
@@ -356,6 +361,10 @@ export function useAgentDesignerState() {
       interactionConfigJson: buildInteractionConfigPayload(
         state.agent.interactionConfigJson,
       ),
+      generationConfigJson: {
+        ...state.agent.generationConfigJson,
+        stream: state.agent.generationConfigJson?.stream !== false,
+      },
       memoryConfigJson: {
         ...restMemoryConfigJson,
         compressionParameter: {