C内核流量计算方法优化，前端文件名称读取优化

frontend/tests/e2e/simulation-live-mql8.spec.ts

@@ -43,7 +43,7 @@ type BrowserStreamEvidence = {
 };
 
 const PROJECT_PATH = fileURLToPath(
-  new URL("../../../tests/data/test-mql-8.json", import.meta.url),
+  new URL("../../../tests/fixtures/legacy/test-mql-8.json", import.meta.url),
 );
 const EVIDENCE_PATH = fileURLToPath(
   new URL(
@@ -514,7 +514,7 @@ test("test-mql-8 在真实浏览器流式链路完成 0.2 s BDF 仿真", async (
         servingMode: "isolated-vite-dev-proxy",
       },
       source: {
-        path: "tests/data/test-mql-8.json",
+        path: "tests/fixtures/legacy/test-mql-8.json",
         bytes: statSync(PROJECT_PATH).size,
         sha256: createHash("sha256").update(projectBytes).digest("hex"),
       },