Port 24 missing tests from Ink's sanitize-ansi test suite covering:
- C1 OSC hyperlinks with various terminators (C1 ST, ESC ST, BEL)
- C1 CSI sequences (both SGR and non-SGR)
- DCS passthrough (tmux wrappers, incomplete, BEL in payload)
- SOS control strings (ESC and C1 variants, various terminators)
- Standalone C1 control characters and ST bytes
- ESC ST sequences, malformed ESC sequences, incomplete CSI
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Yunfei He
6655e32f25