WT Sky Grid

SPAWN PLATFORM MOVED DOWN ONE GRID LAYER

The starter platform now sits on the second grid layer from the top (Y=312 in the Overworld) rather than the very top (Y=316).

The top layer left only three blocks between the pad and the build limit, which is not enough to build anything at spawn. Dropping a single layer turns that into seven, at no real cost - you still arrive above the grid with the view, and still travel downward into it.

The clearance above the pad was raised to match, which also removes the grid blocks that previously hung four blocks overhead. The pad is now genuinely open above.

NOTES FOR EXISTING WORLDS

A world that already has a platform will gain a second one at the new height on next load, and world spawn moves to it. The old pad is left in place rather than deleted - nothing is destroyed, but you may want to clear it yourself.

Pack authors: the platform height is driven by a single HEADROOM constant in SkyGridPlatform. Set it back to 3 to keep the pad on the very top layer.