# Tier 6 - account 级：WhatsApp 账号分流
Friday evening is a great time for tinkering with a side project after a long week. You pour some tea, open your laptop and navigate to your project, only to find a red banner across whole app placed by the browser saying “Deceptive site ahead”.
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Where tracing platforms evaluate turn by turn, Cekura evaluates the full session. Imagine a banking agent where the user fails verification in step 1, but the agent hallucinates and proceeds anyway. A turn-based evaluator sees step 3 (address confirmation) and marks it green - the right question was asked. Cekura's judge sees the full transcript and flags the session as failed because verification never succeeded.Try us out at https://www.cekura.ai - 7-day free trial, no credit card required. Paid plans from $30/month.We also put together a product video if you'd like to see it in action: https://www.youtube.com/watch?v=n8FFKv1-nMw. The first minute dives into quick onboarding - and if you want to jump straight to the results, skip to 8:40.Curious what the HN community is doing - how are you testing behavioral regressions in your agents? What failure modes have hurt you most? Happy to dig in below!，更多细节参见Line官方版本下载
The rewrite engine is an absolutely brilliant invention by John Brant and Don Roberts, introduced with the Refactoring Browser (see “A Refactoring Tool for Smalltalk”, 1997). It gives us AST-level matching and rewriting with astonishing power.，推荐阅读51吃瓜获取更多信息