增加即梦图片5.0和视频2.5的能力

tests/billing.test.ts

@@ -195,6 +195,29 @@ describe("organization billing", () => {
     });
   });
 
+  it("seeds and quotes Seedance 2.5 independently at the default 1.2 markup", async () => {
+    const quote = await quoteGenerationCharge({
+      provider: "seedance",
+      capability: "video.generate",
+      reqKey: "doubao-seedance-2-5-260628",
+      requestPayload: { settings: { duration: 5, resolution: "720p", ratio: "16:9" } },
+      usageContext: {
+        source: "platform",
+        accountId: "user-1",
+        displayName: "测试用户",
+        organizationId: "org-1"
+      }
+    });
+    expect(quote).toMatchObject({
+      variantKey: "resolution=720p",
+      standardUnitPriceFen: 151,
+      quantity: 5,
+      amountFen: 908,
+      markupMultiplier: 1.2,
+      settlementStatus: "pending"
+    });
+  });
+
   it("matches EvoLink quality tiers from the platform catalog", async () => {
     const quote = await quoteGenerationCharge({
       provider: "evolink",