Instructor Panel
Vitals control (demo UI — persistence comes next)
HF
bpm
👁
🙈
SpO₂
%
👁
🙈
PP
bpm
👁
🙈
CO₂
mmHg
👁
🙈
NIBP SYS
mmHg
NIBP DIA
mmHg
Hide all vitals
Eye = show/hide for the current mode (placeholder). Apply/Reset are UI-only for now.