Resolve direct advanced Sneak arrivals

docs/RULE_DECISIONS.md

@@ -1,5 +1,12 @@
 # Rule decision index
 
+## Direct Advanced Sneak arrival — 29 October 2026
+
+A positive Sneak group outside a worm continuation uses the existing separate
+arrival queue after the original entry. Its ordering is provisional; Advanced
+worm parents temporarily block a positive group until the rider continuation is
+preserved separately. [Scope](MORITANI_ENTRY_TIMING.md#direct-advanced-sneak-arrivals--29-october-2026).
+
 ## First-turn Duke proof and occupied Ecaz displacement — 29 October 2026
 
 **Prototyped / Partial.** Public first-turn pre-battle state can prove that an