production runtime and mock removal

tests/bailian-client.test.ts

@@ -4,8 +4,7 @@ import {
   bailianStatus,
   buildBailianImagePayload,
   buildBailianVideoPayload,
-  deriveBailianNativeBaseUrl,
-  shouldMockBailian
+  deriveBailianNativeBaseUrl
 } from "@/lib/bailian/client";
 
 afterEach(() => {
@@ -13,7 +12,6 @@ afterEach(() => {
   delete process.env.BAILIAN_VIDEO_MODEL;
   delete process.env.BAILIAN_API_KEY;
   delete process.env.DASHSCOPE_API_KEY;
-  delete process.env.BAILIAN_MOCK;
 });
 
 describe("Bailian client", () => {
@@ -22,12 +20,6 @@ describe("Bailian client", () => {
       .toBe("https://workspace.cn-beijing.maas.aliyuncs.com");
   });
 
-  it("does not silently mock when the API key is missing", () => {
-    expect(shouldMockBailian()).toBe(false);
-    process.env.BAILIAN_MOCK = "true";
-    expect(shouldMockBailian()).toBe(true);
-  });
-
   it("builds Wan 2.7 text-to-image and reference-image payloads", () => {
     const text = buildBailianImagePayload("image.generate", { prompt: "海边酒店", width: 2048, height: 2048 });
     expect(text).toMatchObject({ model: "wan2.7-image-pro", parameters: { size: "2048*2048", thinking_mode: true, watermark: false } });