chore: convert all auth packets to LUBitStreams#1874

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aronwk-aaron wants to merge 6 commits intomainfrom

auth-packet-re-write

Commits on Sep 9, 2025

WIP
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Commits on Sep 11, 2025

Commits on Sep 13, 2025

Change LUBitstream to make more sense and only read what it needs from the bitstream at each level
aronwk-aaron
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fix some missed things
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