Expand preview for full orbit

docs/PORTING.md

@@ -123,10 +123,12 @@ component serialization, successful safe travel with restored orientation, and
 rejection of fully blocked destinations. The test suite uses a minimal bundled
 structure template and runs with `./gradlew runGameTestServer`.
 
+Version 0.1.16 makes destination previews sample a centered 17-by-7-by-17
+volume. The Ponder scene uses a scale that keeps its full horizontal diagonal
+inside the panel, so the complete snapshot remains available during its orbit.
+
 The preview code is separated behind a renderer interface and uses an isolated
-Ponder level. The first iteration supplies the animated loading boundary; the
-next iteration will add server-authoritative snapshot transport and populate
-that level with the destination blocks.
+Ponder level populated from server-authoritative destination snapshots.
 
 ## Version policy