Prototype native Homeworld No-Field return

docs/HOMEWORLD_RULES.md

@@ -375,8 +375,8 @@ World-to-World return is this general route rather than its cancelable native
 cross/return privilege; the Guild rate and its own cancellation remain separate.
 Previously opened native permission windows retain their saved continuation.
 Basic retains its existing E3 own-World restriction and Guild exception. This
-cutover does not permit an ordinary Arrakis-to-own-World shipment, allied World
-entry or concealed No-Field return.
+cutover does not permit an ordinary Arrakis-to-own-World shipment or allied World
+entry. The later provisional [No-Field return](RICHESE_NO_FIELD_RULES.md#advanced-native-homeworld-marker--29-october-2026) has a separate physical interpretation.
 
 The [real-action tests](../tests/homeworld-return-native-shipment.test.ts) stage
 only the shipment opportunity after native setup and create the foreign garrison