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⚠️ Don't run it on every run though. Use it to audit your test suite, then clean things up. Link to the docs for all the curious people main.vitest.dev/config/detec...

Async leak detection in Vitest is a huge win. The thing about memory leak flakiness is it's often cumulative — test 5 passes alone but fails after tests 1-4. Isolation at the runtime level is the right fix. Great addition.