CelestialDash

!Celestial Amulet

• Added the craftable, configurable Celestial Amulet.
• Added a Netherite Ingot amulet recipe and configurable uses and cooldown.
• Added celestialdash.amulet, celestialdash.use, and celestialdash.receive permission checks.
• Added internal item markers to prevent renamed vanilla items from being used as Celestial Tears or Amulets.
• Added configurable command, permission, and amulet messages.
• Added command tab completion and safe /give inventory-overflow handling.
• Added configuration bounds validation and warnings for invalid values.
• Fixed cooldown feedback to round up correctly while any cooldown time remains.
• Prevented duplicate off-hand interaction handling and cleaned expired player state automatically.
• Added unit tests for configuration clamping and cooldown rounding.