Unicode, Color, Accessibility, and Non-TUI Fallbacks Use this skill when terminal output must be visually correct, readable, inclusive, and robust across fonts, locales, themes, and assistive technologies. Text correctness rules - Display width is not byte length, code point count, or user-perceived character count. - Cursor movement and deletion should operate on grapheme clusters. - Layout should measure printable text after stripping ANSI control sequences. - Double-width characters, combining marks, emoji sequences, variation selectors, and zero-width joiners must be tested. - Treat ambig…