ci: use polling for Playwright Vite server

playwright.global-setup.mjs

@@ -19,6 +19,16 @@ const stderrLogFile = path.resolve(serverLogDir, `dev-server-${runtimeNamespace}
 const viteCliPath = path.resolve(process.cwd(), "node_modules/vite/bin/vite.js");
 const serverOutputLimit = 80;
 const activeOutputReaders = [];
+const viteServerEnv = {
+  ...process.env,
+  PLAYWRIGHT: "1",
+  ...(process.env.CI
+    ? {
+        CHOKIDAR_INTERVAL: process.env.CHOKIDAR_INTERVAL || "300",
+        CHOKIDAR_USEPOLLING: process.env.CHOKIDAR_USEPOLLING || "true",
+      }
+    : {}),
+};
 // Hardlinked Windows worktrees can break Vite's bundled config temp paths during Playwright boot.
 const viteDevArgs = [
   ...(process.env.PLAYWRIGHT_VITE_FORCE === "1" ? ["--force"] : []),
@@ -449,10 +459,7 @@ export default async function globalSetup() {
   const serverProcess = spawn(process.execPath, [viteCliPath, ...viteDevArgs], {
     cwd: process.cwd(),
     detached: true,
-    env: {
-      ...process.env,
-      PLAYWRIGHT: "1",
-    },
+    env: viteServerEnv,
     stdio: ["ignore", "pipe", "pipe"],
     windowsHide: true,
   });