增加即梦图片5.0和视频2.5的能力

lib/server/video-generation-service.ts

@@ -10,12 +10,13 @@ import { DEFAULT_OWNER_ID } from "@/lib/server/runtime";
 import { importRemoteAssetAsAsset } from "@/lib/server/storage";
 import { createSeedanceTask, getSeedanceConfig, querySeedanceTask, type SeedanceSettings } from "@/lib/seedance/client";
 import type { BillingJobCharge, GenerationJob, UsageContext } from "@/lib/types";
-import { normalizeVideoDuration, normalizeVideoRatio, normalizeVideoResolution } from "@/lib/video-settings";
+import { VIDEO_DURATION_DEFAULT, clampVideoDuration, isSupportedSeedanceModel, normalizeSeedanceModel, normalizeVideoDuration, normalizeVideoRatio, normalizeVideoResolution } from "@/lib/video-settings";
 import { bailianResultUrls, bailianStatus, bailianTaskId, buildBailianVideoPayload, getBailianConfig, queryBailianTask, submitBailianTask } from "@/lib/bailian/client";
 
 export type VideoCreationEngine = "seedance" | "bailian";
 
 export type SubmitVideoJobInput = PromptAssemblyInput & {
+  model?: string;
   ownerId?: string;
   externalClientId?: string;
   prompt?: string;
@@ -114,6 +115,10 @@ function prepareVideoGeneration(input: SubmitVideoJobInput, origin: string): Pre
     ? input.engine
     : configuredEngine;
   const config = getSeedanceConfig();
+  if (engine === "seedance" && input.model !== undefined && !isSupportedSeedanceModel(input.model)) {
+    throw new Error("不支持的 Seedance 视频模型。");
+  }
+  const model = normalizeSeedanceModel(input.model, config.model);
   const assembled = assemblePrompt({
     ...input,
     mode: "video",
@@ -127,15 +132,17 @@ function prepareVideoGeneration(input: SubmitVideoJobInput, origin: string): Pre
     buildBailianVideoPayload({ prompt: finalPrompt, materials: assembled.materials, origin, settings });
   } else {
     settings.ratio = normalizeVideoRatio(settings.ratio, config.ratio);
-    settings.duration = normalizeVideoDuration(settings.duration) ?? config.duration;
-    settings.resolution = normalizeVideoResolution(settings.resolution, config.model, config.resolution);
+    settings.duration = normalizeVideoDuration(settings.duration, model)
+      ?? clampVideoDuration(config.duration, VIDEO_DURATION_DEFAULT, { model });
+    settings.resolution = normalizeVideoResolution(settings.resolution, model, config.resolution);
   }
   const missingProviderCredentials = engine === "bailian" ? !getBailianConfig().apiKey : !config.apiKey;
   const requestPayload = {
     input,
     assembled,
     settings,
-    engine
+    engine,
+    ...(engine === "seedance" ? { model } : {})
   };
   return {
     ownerId,
@@ -146,7 +153,7 @@ function prepareVideoGeneration(input: SubmitVideoJobInput, origin: string): Pre
     settings,
     missingProviderCredentials,
     provider: engine,
-    reqKey: engine === "bailian" ? getBailianConfig().videoModel : config.model,
+    reqKey: engine === "bailian" ? getBailianConfig().videoModel : model,
     requestPayload
   };
 }
@@ -180,7 +187,7 @@ async function dispatchVideoJob(job: GenerationJob, origin: string): Promise<Gen
       if (!providerTaskId) throw new Error("视频任务响应缺少 task_id。");
       return updateGenerationJob(job.id, { status: "running", providerTaskId, responsePayload: response });
     }
-    const response = await createSeedanceTask({ prompt: job.prompt || "", settings, materials, origin });
+    const response = await createSeedanceTask({ model: job.reqKey, prompt: job.prompt || "", settings, materials, origin });
     return updateGenerationJob(job.id, { status: "running", providerTaskId: response.providerTaskId, responsePayload: response.raw });
   } catch (error) {
     job = await updateGenerationJob(job.id, {