atob() produces Latin-1 strings, mangling multi-byte UTF-8 characters like box-drawing glyphs. Use TextDecoder for correct UTF-8 handling. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
atob() produces Latin-1 strings, mangling multi-byte UTF-8 characters like box-drawing glyphs. Use TextDecoder for correct UTF-8 handling. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>