Add C implementation of TAML parser, validator, and format converters#7

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Copilot wants to merge 3 commits intomainfrom

copilot/add-taml-parser-validator

Commits on Dec 18, 2025

Initial plan
Copilot
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Add complete C implementation of TAML parser, validator, and converters

Copilot
and
csharpfritz
committed
Fix code review issues: pointer arithmetic, null checks, and buffer notes

Copilot
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csharpfritz
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