Migrate from Cats Effect 2 to Cats Effect 3#24

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Commits on Apr 8, 2026

Migrate from Cats Effect 2 to Cats Effect 3

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claude
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fix: add scalatestplus-testng dep and Dispatcher[Task] for reactive-streams TCK

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Commits on Apr 9, 2026

fix: address CE3 code review findings in CatsAsyncForTask and IO conversions

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fix: Scala 2.13 and JS compilation compatibility

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fix: replace remaining IO.unsafeRunSync with unsafeToFuture in shared tests

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fix: Scala 2.13 compilation issues in test suites

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fix: remaining Scala 2.13 IORuntime shadowing and Void/Unit mismatches

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fix: SemaphoreSuite unsafeRunTimed and deprecated method warnings

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fix: implement Semaphore.mapK instead of throwing UnsupportedOperationException

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fix: replace value.get.get with Await.result in IO test helpers

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