Breath Kelp

Vanilla kelp now acts as a quick underwater breathing source.

• Eating kelp grants 5 seconds of Water Breathing
• Effect stacks with each kelp eaten
• Maximum duration caps at 4 minutes
• Kelp can be eaten even when full hunger
• Uses vanilla kelp only (no new items)

Perfect for short dives, cave exploration, and early-game underwater survival without relying on potions.