supabase / supabase-swift / 25376830119

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main: 81%

Pull #988

github

fix(storage): use .ephemeral for download session config on Linux

On Linux, URLSessionConfiguration.default is a shared singleton.
Passing it to URLSession.init(configuration:delegate:delegateQueue:)
triggers a precondition failure inside swift-corelibs-foundation
(libFoundationNetworking.so, signal 4 / UD2 trap) because the
initializer requires a non-shared configuration object.

Use .ephemeral on Linux, which always produces a fresh isolated
URLSessionConfiguration — semantically equivalent to .default for
our use case (no caching requirements on the download session).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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