4.51.17 

• Difficult-site fallback clears confirmed natural trees and canopy, including taller trees and the camp entrance.
• Prepares a flat camp with a wider grading shoulder and supported dirt foundations under a finite earthwork budget.
• Fills shallow water and aquatic vegetation onto solid sediment.
• Builds a three-wide causeway to shore when necessary, requiring three dry landing rows and a walkable exit.
• Search filtering and terrain preparation now use the same confirmed-tree ground survey.
• Protected blocks, claims, deep water, lava, borders, restoration and rollback remain enforced.
• Forge build and 898 automated tests passed. No interactive Minecraft playtest performed.