Add linking game tests

docs/PORTING.md

@@ -54,7 +54,7 @@ the symbol grammar is introduced.
 - [x] Server-provided destination snapshots rendered as rotating Ponder scenes.
 - [x] Book Stand floating names synchronized from the stored book stack.
 - [x] Open the stored book screen from a Book Stand with server-validated linking.
-- [ ] Automated in-game tests for binding, persistence, and travel.
+- [x] Automated in-game tests for binding, persistence, and travel.
 
 The temporary shapeless Linking Book recipe makes the linking subsystem easy
 to test. It can move into the writing/bookbinder progression when that system
@@ -118,6 +118,11 @@ Version 0.1.14 expands the destination snapshot to 9-by-7-by-17 blocks along
 the Z axis, rescales the rotating scene to expose that depth, and colors the
 panel background with the destination biome's sky color.
 
+Version 0.1.15 adds three dedicated-server GameTests covering Linking Book
+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`.
+
 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