Remove magic numbers and strings from receipt printer implementations#24

Draft

Copilot wants to merge 3 commits intomainfrom

copilot/fix-magic-strings

Commits on Oct 14, 2025

Initial plan
Copilot
committed
Fix magic numbers and strings in receipt printers for Python, TypeScript, Ruby, PHP, Java, C#, Go, Kotlin, Swift

Copilot
and
nstubbe
committed
Fix magic numbers and strings in C, Common Lisp, and update Go dependencies

Copilot
and
nstubbe
committed