NineEyes

Description
Toggles night vision effect (similar to potion) for yourself or others.

Usage:
/nightvision [player] (/nv)
• No args — affects you
• With username — affects target player (requires permission)

Notes:
• Single command toggles effect on/off
• Resets after death or rejoin

Permissions:

  nineeyes.nightvision  — self-use
  nineeyes.nightvision.other  — for others