feat: add Seedance 2.0 models

tests/integration/api/contract/direct-submit-routes.test.ts

@@ -393,11 +393,32 @@ const DIRECT_CASES: ReadonlyArray<DirectRouteCase> = [
   },
   {
     routeFile: 'src/app/api/novel-promotion/[projectId]/generate-video/route.ts',
-    body: { videoModel: 'fal::video-model', storyboardId: 'storyboard-1', panelIndex: 0 },
+    body: {
+      videoModel: 'ark::doubao-seedance-2-0-260128',
+      storyboardId: 'storyboard-1',
+      panelIndex: 0,
+      generationOptions: {
+        resolution: '720p',
+        duration: 5,
+      },
+      firstLastFrame: {
+        flModel: 'ark::doubao-seedance-2-0-260128',
+      },
+    },
     params: { projectId: 'project-1' },
     expectedTaskType: TASK_TYPE.VIDEO_PANEL,
     expectedTargetType: 'NovelPromotionPanel',
     expectedProjectId: 'project-1',
+    expectedPayloadSubset: {
+      videoModel: 'ark::doubao-seedance-2-0-260128',
+      generationOptions: {
+        resolution: '720p',
+        duration: 5,
+      },
+      firstLastFrame: {
+        flModel: 'ark::doubao-seedance-2-0-260128',
+      },
+    },
   },
   {
     routeFile: 'src/app/api/novel-promotion/[projectId]/insert-panel/route.ts',

tests/integration/provider/ark-provider.contract.test.ts

@@ -0,0 +1,105 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { arkCreateVideoTask } from '@/lib/ark-api'
+import { querySeedanceVideoStatus } from '@/lib/async-task-utils'
+
+describe('provider contract - ark seedance', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+  })
+
+  afterEach(() => {
+    vi.unstubAllGlobals()
+  })
+
+  it('submits Seedance 2.0 multimodal create payload with official request fields', async () => {
+    const fetchMock = vi.fn(async () => new Response(JSON.stringify({ id: 'cgt-task-1' }), {
+      status: 200,
+      headers: { 'Content-Type': 'application/json' },
+    }))
+    vi.stubGlobal('fetch', fetchMock as unknown as typeof fetch)
+
+    const result = await arkCreateVideoTask({
+      model: 'doubao-seedance-2-0-260128',
+      content: [
+        { type: 'text', text: 'reference 视频1 的运镜，参考音频1 的节奏' },
+        { type: 'image_url', image_url: { url: 'https://example.com/first.png' }, role: 'reference_image' },
+        { type: 'video_url', video_url: { url: 'https://example.com/ref.mp4' }, role: 'reference_video' },
+        { type: 'audio_url', audio_url: { url: 'https://example.com/ref.mp3' }, role: 'reference_audio' },
+      ],
+      resolution: '720p',
+      ratio: '16:9',
+      duration: 15,
+      generate_audio: true,
+      watermark: true,
+      tools: [{ type: 'web_search' }],
+    }, {
+      apiKey: 'ark-key',
+      maxRetries: 1,
+      timeoutMs: 1000,
+      logPrefix: '[Ark Test]',
+    })
+
+    expect(result.id).toBe('cgt-task-1')
+    expect(fetchMock).toHaveBeenCalledTimes(1)
+    const firstCall = fetchMock.mock.calls[0]
+    expect(firstCall).toBeTruthy()
+    const [url, init] = firstCall as unknown as [string, RequestInit]
+    expect(url).toBe('https://ark.cn-beijing.volces.com/api/v3/contents/generations/tasks')
+    expect(init.method).toBe('POST')
+    expect(init.headers).toEqual({
+      'Content-Type': 'application/json',
+      'Authorization': 'Bearer ark-key',
+    })
+    expect(JSON.parse(String(init.body))).toEqual({
+      model: 'doubao-seedance-2-0-260128',
+      content: [
+        { type: 'text', text: 'reference 视频1 的运镜，参考音频1 的节奏' },
+        { type: 'image_url', image_url: { url: 'https://example.com/first.png' }, role: 'reference_image' },
+        { type: 'video_url', video_url: { url: 'https://example.com/ref.mp4' }, role: 'reference_video' },
+        { type: 'audio_url', audio_url: { url: 'https://example.com/ref.mp3' }, role: 'reference_audio' },
+      ],
+      resolution: '720p',
+      ratio: '16:9',
+      duration: 15,
+      generate_audio: true,
+      watermark: true,
+      tools: [{ type: 'web_search' }],
+    })
+  })
+
+  it('reads Ark task usage.total_tokens from status query', async () => {
+    const fetchMock = vi.fn(async () => new Response(JSON.stringify({
+      status: 'succeeded',
+      content: {
+        video_url: 'https://example.com/result.mp4',
+      },
+      usage: {
+        total_tokens: 108000,
+        completion_tokens: 108000,
+      },
+    }), {
+      status: 200,
+      headers: { 'Content-Type': 'application/json' },
+    }))
+    vi.stubGlobal('fetch', fetchMock as unknown as typeof fetch)
+
+    const result = await querySeedanceVideoStatus('cgt-task-2', 'ark-key')
+
+    expect(result).toEqual({
+      status: 'completed',
+      videoUrl: 'https://example.com/result.mp4',
+      actualVideoTokens: 108000,
+    })
+    expect(fetchMock).toHaveBeenCalledWith(
+      'https://ark.cn-beijing.volces.com/api/v3/contents/generations/tasks/cgt-task-2',
+      {
+        method: 'GET',
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': 'Bearer ark-key',
+        },
+        cache: 'no-store',
+      },
+    )
+  })
+})