Add Layout Fix extension — convert text between Latin and any macOS keyboard layout

[akostt]

Summary

Adds a Layout Fix extension that feconverts text typed on the wrong keyboard layout back to the intended script.

• 183 non-Latin macOS keyboard layouts (Russian, Ukrainian, Greek, Hebrew, Arabic, Korean, etc.)
• Auto-detects the active layout at runtime; one installation works across all layouts
• Handles Unicode NFC normalization (decomposed characters like й)
• Pure zsh, no external dependencies beyond stock macOS tools

Examples

Input	Output
ghbdtn	привет
руддщ	hello
asd!@#$%^&*()	фыв!"№%:,.;()

Technical details

• Reads active keyboard layout from com.apple.HIToolbox preferences
• Layout catalog extracted from macOS via UCKeyTranslate (183 non-Latin layouts)
• Handles both standard Mac Russian and Windows ЙЦУКЕН shifted symbols
• Unicode NFC normalization for correct character matching
• Fallback error messages when catalog is missing or layout is unsupported

Files

• layout-fix.zsh — Main script (253 lines, pure zsh)
• layouts.nonlatin.tsv — Layout catalog (183 layouts)
• Config.yaml — Extension metadata
• Readme.md — Documentation