v1.7.1

## What's Changed
* feat(controller): improve scroll container detection and tool guidance by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/390
* feat(controller): add experimental `keepSemanticTags` config by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/395
* feat(ext): add `systemInstruction` to ExecuteConfig by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/386
* fix: 将currentScript提取到setTimeout外部以避免空指针 by @Anyexyz in https://github.com/alibaba/page-agent/pull/384
* fix(isInteractiveCandidate): use hasAttribute with known aria list to detect aria- attributes by @lgy2020 in https://github.com/alibaba/page-agent/pull/356
* fix(page-controller): apply scroll direction to pixels parameter by @mvanhorn in https://github.com/alibaba/page-agent/pull/332
* fix(ext): guard postMessage listeners against iframe sources by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/389
* fix: recognize role="listitem" as interactive element by @Lubrsy706 in https://github.com/alibaba/page-agent/pull/203
* fix(controller): treat interactive with aria as distinct by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/396
* docs: lm studio by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/398
* docs(website): add qwen3.6-plus to models page by @gaomeng1900 in https://github.com/alibaba/page-agent/pull/385

## New Contributors
* @Anyexyz made their first contribution in https://github.com/alibaba/page-agent/pull/384
* @lgy2020 made their first contribution in https://github.com/alibaba/page-agent/pull/356
* @mvanhorn made their first contribution in https://github.com/alibaba/page-agent/pull/332

**Full Changelog**: https://github.com/alibaba/page-agent/compare/v1.7.0...v1.7.1