Fluid Drain

 

- Lava drainage support - drain blocks now detect and remove lava blocks

- Fluid-specific particle effects (lava uses falling dripstone particles)

- "Lava Fill block" - directional lava placement with redstone control

- Lava Essence crafting ingredient (9 lava buckets)

- Complete lava fill system with flowing lava streams and particle effects

- Lava-specific sounds and visual effects

- Renamed "Water Drain" to "Fluid Drain" to reflect multi-fluid support

- Removed "Water Fill(Creative)"

- Added chunk loading validation in tick methods

- Improved cleanup of drain tasks and power states on block removal

- Better error handling for chunk unloading scenarios