fix: optimize connection.Read to copy directly from linked buffer#415
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fix: optimize connection.Read to copy directly from linked buffer#415
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Add flagReadExposed to track when a node's buffer has been returned directly to user code via zero-copy Reader methods (Next, Peek, Slice, GetBytes). Connection.Read now uses readCopy which copies from nodes without setting this flag, and only releases nodes that are not exposed. This preserves buffer validity for prior zero-copy callers until Release.
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Add flagReadExposed to track when a node's buffer has been returned directly to user code via zero-copy Reader methods (Next, Peek, Slice, GetBytes).
Connection.Read now uses readCopy which copies from nodes without setting this flag, and only releases nodes that are not exposed.
This preserves buffer validity for prior zero-copy callers until Release.