Adds missing character mappings to ensure behavioral equivalence with
original Utf8ToAsciiConverter implementation. Creates extended-mappings.json
with 1,213 additional characters covering punctuation, symbols, extended
Latin, Greek, and other Unicode blocks.
Also fixes 8 Cyrillic character mappings to match original behavior.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
yv01p
dff0f68b39