feat(account): 支持测试连接 Chat Completions 路径

frontend/src/components/account/AccountTestModal.vue

@@ -513,6 +513,12 @@ const handleEvent = (event: {
       }
       break
 
+    case 'status':
+      if (event.text) {
+        addLine(event.text, 'text-cyan-300')
+      }
+      break
+
     case 'image':
       if (event.image_url) {
         generatedImages.value.push({

frontend/src/components/account/__tests__/AccountTestModal.spec.ts

@@ -147,4 +147,46 @@ describe('AccountTestModal', () => {
       mode: 'compact'
     })
   })
+
+  it('renders Chat Completions path status from test SSE', async () => {
+    const encoder = new TextEncoder()
+    const chunks = [
+      encoder.encode('data: {"type":"status","text":"已通过 /v1/chat/completions 验证"}\n\n'),
+      encoder.encode('data: {"type":"test_complete","success":true}\n\n')
+    ]
+    global.fetch = vi.fn().mockResolvedValue({
+      ok: true,
+      body: {
+        getReader: () => ({
+          read: vi.fn().mockImplementation(() => Promise.resolve(
+            chunks.length > 0
+              ? { done: false, value: chunks.shift() }
+              : { done: true, value: undefined }
+          ))
+        })
+      }
+    } as any)
+
+    const wrapper = mount(AccountTestModal, {
+      props: {
+        show: true,
+        account: buildAccount()
+      },
+      global: {
+        stubs: {
+          BaseDialog: BaseDialogStub,
+          Select: SelectStub,
+          TextArea: TextAreaStub,
+          Icon: true
+        }
+      }
+    })
+
+    await flushPromises()
+    ;(wrapper.vm as any).selectedModelId = 'gpt-5.4'
+    await (wrapper.vm as any).startTest()
+    await flushPromises()
+
+    expect(wrapper.text()).toContain('已通过 /v1/chat/completions 验证')
+  })
 })