There is a bug in JSONLIterator when used with binary file streams and a rel seek parameter. When a binary…

There is a bug in JSONLIterator when used with binary file streams and a rel seek parameter. When a binary…: a task in repo2rlenv-swe-gen (Harbor dataset). The fix should detect whether the underlying stream is binary or text and use the appropriate newline type ( b'\n' for binary, '\n' for text)…

The task

The fix should detect whether the underlying stream is binary or text and use the appropriate newline type (`b'\n'` for binary, `'\n'` for text) when scanning for line boundaries during cursor alignment.

Part of FineEnvs/repo2rlenv-swe-gen.