Corrects the 1.0.58/1.3.0 release. Rebuilds the tracked plugins with
scripts/build-unity-package.ps1 -UpdateTemplate so they carry "" as the
unset CultRecordRef wire form in every position (nil still reads as unset)
and the edit-start Record snapshot. The native QUIC connector changes once
to its /Brepro form; later rebuilds reproduce it byte for byte. The Studio
package moves to 1.3.1 and depends on cultlib 1.0.59.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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