Add VIN generators and validate real VIN pool entries#30

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MarkChushenkov wants to merge 3 commits intogojko:masterfrom

MarkChushenkov:codex/vin-menu

Commits on Feb 6, 2026

Add VIN generators and validate real VIN pool entries
MarkChushenkov
committed
Improve test coverage: remove duplication, add edge cases
MarkChushenkov
committed
Refactor VIN code: add JSDoc, fix issues, export validators
MarkChushenkov
committed