Render full destination preview volume

src/main/java/net/dnorberg/rivencraft/client/preview/PonderDestinationPreviewRenderer.java

@@ -44,10 +44,10 @@ public final class PonderDestinationPreviewRenderer implements DestinationPrevie
         Minecraft minecraft = Minecraft.getInstance();
         previewLevel = new PonderLevel(BlockPos.ZERO, minecraft.level);
         snapshotSelection = SelectionImpl.of(new BoundingBox(0, 0, 0, 8, 63, 8));
-        // The target sits at y=32 in the snapshot. Render only its familiar
-        // y=30..36 window, giving the page a fixed 9×7×9 close-up.
-        Selection viewSelection = SelectionImpl.of(new BoundingBox(0, 30, 0, 8, 36, 8));
-        section = new WorldSectionElementImpl(viewSelection);
+        // Keep the target-centered 9×7×9 camera framing below, but give Ponder
+        // the entire snapshot so terrain above and below that window is still
+        // part of the rotating scene.
+        section = new WorldSectionElementImpl(snapshotSelection);
     }
 
     @Override