[Repo Assist] perf+fix: optimize pairwise, fix splitAt/tryTail enumerator disposal on exception#320

dsyme merged 4 commits intomainfsprojects/FSharp.Control.AsyncSeq:mainfrom

repo-assist/perf-fix-pairwise-splitat-20260425-0ce5ee841dd9747cfsprojects/FSharp.Control.AsyncSeq:repo-assist/perf-fix-pairwise-splitat-20260425-0ce5ee841dd9747cCopy head branch name to clipboard