Merge branch 'main' into messages-and-abort

packages/core/lib/v3/v3.ts

@@ -72,6 +72,8 @@ import { Page } from "./understudy/page";
 import { resolveModel } from "../modelUtils";
 import { StagehandAPIClient } from "./api";
 import { validateExperimentalFeatures } from "./agent/utils/validateExperimentalFeatures";
+import { createTimeoutGuard } from "./handlers/handlerUtils/timeoutGuard";
+import { ActTimeoutError } from "./types/public/sdkErrors";
 
 const DEFAULT_MODEL_NAME = "openai/gpt-4.1-mini";
 const DEFAULT_VIEWPORT = { width: 1288, height: 711 };