Fix temporary chat selector

[catsimple]

16:51:40.859 WRN SYS 13shv1v [UI] Error in temporary chat mode: Locator.wait_for: Timeout 10000ms exceeded.
Call log:
- waiting for locator("button[aria-label=\"Temporary chat toggle\"]") to be visible

[chatgpt-codex-connector]

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[catsimple]

google在灰度这个temporary chat按钮，放到折叠菜单里了，改了查找按钮逻辑mock过不去，看看是不是要改ci还是啥

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Guard menu state lookup before reading aria-expanded

enable_temporary_chat_mode unconditionally calls menu_trigger.get_attribute("aria-expanded") even when the View more actions button is not present in that UI variant. In Playwright, querying a missing locator can time out/throw, so this turns a best-effort helper into an exception path during startup or model-switch recovery (the catch block repeats the same call, which can re-raise). This should check that the menu trigger exists/is visible (or wrap the lookup) before reading attributes.

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[CJackHwang]

这个项目年久失修了 我也很久没有调试和系统性重构 如果你修复后的这个问题能正常使用的话跟我说一声 我直接合并了

[catsimple]

@CJackHwang 可以正常使用