feat: 前端增加行内测试功能（场景绑定+接口工作流）

- 场景绑定表和接口工作流表操作列增加「测试」按钮
- 新增接口工作流测试对话框（流式+非流式）
- API 层提取 fetchSseStream 共享辅助函数
- 新增 testEndpointRuntime 和 streamEndpointRuntime

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web-admin/src/api/aiconfig.ts

@@ -1,12 +1,13 @@
 import request from '@/utils/request'
-import type { 
-  AiConfigPageRequest, 
-  AiConfigCreateRequest, 
+import type {
+  AiConfigPageRequest,
+  AiConfigCreateRequest,
   AiConfigUpdateRequest,
   AiProvider,
   AiEndpointConfig,
   AiSceneBinding,
-  AiRuntimeRequest
+  AiRuntimeRequest,
+  AiEndpointRuntimeRequest
 } from '@/types/aiconfig'
 
 // 分页查询AI配置
@@ -287,18 +288,19 @@ function parseSseFrame(frame: string): AiRuntimeStreamEvent | null {
   }
 }
 
-export async function streamAiRuntime(
-  data: AiRuntimeRequest,
+async function fetchSseStream(
+  url: string,
+  body: Record<string, any>,
   onEvent: (event: AiRuntimeStreamEvent, output: string) => void
 ) {
   const token = localStorage.getItem('adminToken')
-  const response = await fetch(`${import.meta.env.VITE_APP_BASE_API}/ai/runtime/stream`, {
+  const response = await fetch(`${import.meta.env.VITE_APP_BASE_API}${url}`, {
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',
       ...(token ? { Authorization: `Bearer ${token}` } : {})
     },
-    body: JSON.stringify(data)
+    body: JSON.stringify(body)
   })
   if (!response.ok || !response.body) {
     throw new Error(`流式测试请求失败(${response.status})`)
@@ -335,3 +337,21 @@ export async function streamAiRuntime(
   if (buffer.trim()) consumeText('\n\n')
   return output
 }
+
+export async function streamAiRuntime(
+  data: AiRuntimeRequest,
+  onEvent: (event: AiRuntimeStreamEvent, output: string) => void
+) {
+  return fetchSseStream('/ai/runtime/stream', data, onEvent)
+}
+
+export async function streamEndpointRuntime(
+  data: AiEndpointRuntimeRequest,
+  onEvent: (event: AiRuntimeStreamEvent, output: string) => void
+) {
+  return fetchSseStream('/ai/endpoint/stream', data, onEvent)
+}
+
+export function testEndpointRuntime(data: AiEndpointRuntimeRequest) {
+  return request({ url: '/ai/endpoint/test', method: 'post', data, timeout: 60000 })
+}