Performance and Safety Improvements#3

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paulomorgado wants to merge 5 commits intojimm98y:mainfrom

paulomorgado:performance

Commits on Jan 31, 2026

Reduce allocations, enforce immutability, use Span slicing, and improve exception handling
paulomorgado
committed

Commits on Feb 1, 2026

Commits on Feb 2, 2026

Improve test output and optimize SRTP encryption routines
paulomorgado
committed