entrySnbt() now emits {title, author, alias, description} so the
mcfunction export carries the operator-entered song description
into the data modify storage command. Multiline descriptions are
flattened via newline/tab escapes inside the SNBT string literal
(escapeSnbtString extended to handle \r, \n, \t alongside the
existing backslash + quote escapes) so each `data modify` stays a
single line.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
claude-bot
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