Duplicate console handles and use them #875
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The Ruby redirection mechanism closes @hConsoleHandle/@hConsoleInputHandle. Since reline cannot detect this, pre-duplicate and use them instead.
This was referenced Dec 10, 2025
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dup2()closes@hConsoleHandle/@hConsoleInputHandlewhen overwriting stdin/stdout.ruby redirection mechanism does this.
Using closed handle should be avoided.
Since reline cannot detect this, pre-duplicate and use them instead.
fixes #827
also covers #545 #676 , replaces #734