调整Playwright默认浏览器策略

frontend/playwright.config.ts

@@ -1,5 +1,8 @@
 import { defineConfig } from "@playwright/test";
 
+const channel = process.env.PLAYWRIGHT_CHANNEL?.trim();
+const executablePath = process.env.PLAYWRIGHT_EXECUTABLE_PATH?.trim();
+
 export default defineConfig({
   testDir: "./tests/e2e",
   fullyParallel: false,
@@ -10,7 +13,8 @@ export default defineConfig({
   },
   use: {
     baseURL: "http://127.0.0.1:4173",
-    channel: "msedge",
+    ...(channel ? { channel } : {}),
+    ...(executablePath ? { launchOptions: { executablePath } } : {}),
     headless: true,
     viewport: { width: 1440, height: 900 },
     screenshot: "only-on-failure",