Support unused selected decks with Nexus and Discovery

docs/CURRENT_STATUS.md

@@ -17,6 +17,16 @@ open mode gates.
 
 ## Current checkpoint and work
 
+**Selected decks with Nexus or Discovery without extra cards — 29 October.
+Prototyped / Partial.** Basic and Advanced Nexus previews admit selected but
+unseated families without independent Ecaz cards, optionally with Discovery;
+Discovery also admits a lone E3 deck with classic seats. Public-start fixtures
+exercise an actual worm, Nexus draw, card-powered shipment and Discovery blow.
+Fifteen related files pass 118 cases. Leader Skills, Advanced Harkonnen with
+Ecaz or Moritani in the new Nexus profile, deeper interactions, complete games
+and deployed verification remain open. [Nexus scope](NEXUS_CARD_RULES.md#selected-decks-without-independent-cards--29-october-2026);
+[Discovery scope](DISCOVERY_PROTOTYPE.md#selected-but-unused-e3-deck--29-october-2026).
+
 **Mixed selected-deck Discovery without extra variants — 29 October.
 Prototyped / Partial.** Basic and Advanced previews can select Discovery with
 E3 plus Ix and/or CHOAM without also selecting Nexus or independent cards.

docs/DISCOVERY_PROTOTYPE.md

@@ -1,5 +1,14 @@
 # Discovery functional prototype
 
+## Selected but unused E3 deck — 29 October 2026
+
+**Prototyped / Partial.** A fresh Basic or Advanced preview can select only
+the E3 faction deck with Discovery while seating classic factions alone, without
+Nexus or independent Ecaz cards. The same original seven Spice Cards and eight
+tokens are initialized. Public-start fixtures reach an actual Discovery Spice
+Blow with controlled unopened card order and legal bot choices. Optional
+interactions, complete games and deployed verification remain open.
+
 ## Mixed selected-deck Discovery alone — 29 October 2026
 
 **Prototyped / Partial.** Basic and Advanced previews can use Discovery with

docs/NEXUS_CARD_RULES.md

@@ -2,6 +2,20 @@
 
 Original source audit, 10 September 2026, with dated bounded runtime follow-ups below. This document establishes the printed component inventory, source protocol and implementation boundaries; none lifts expansion release gates. The ordinary worm-triggered alliance Nexus already in the engine is distinct from this optional card module.
 
+## Selected decks without independent cards — 29 October 2026
+
+**Prototyped / Partial.** Fresh Basic and Advanced Nexus previews can select
+original expansion decks without the independent Ecaz cards when at least one
+selected family has no seated native faction. Discovery may also be selected.
+Existing seat and module prerequisites remain; Leader Skills and Advanced
+Harkonnen with Ecaz or Moritani retain their separate boundaries. Ecaz Occupy,
+Moritani assassination and their shared arrival use their existing handlers.
+
+Public-start fixtures cover classic and native seats, original selected card
+stock, a real worm-triggered alliance and Nexus draw, and a Richese card spent
+on shipment. They control unopened deck order. These cases do not establish
+complete games or all card and module interactions; deployed proof remains open.
+
 ## Independent cards with Discovery — 18 October 2026
 
 **Prototyped / Partial.** The independent three-card variant now composes with

docs/RULE_DECISIONS.md

@@ -1,5 +1,12 @@
 # Rule decision index
 
+## Selected decks with Nexus or Discovery — 29 October 2026
+
+Selecting an expansion deck does not require seating its faction or enabling
+independent Ecaz cards. The new Nexus and Discovery previews retain existing
+module and unresolved interaction boundaries. [Nexus scope](NEXUS_CARD_RULES.md#selected-decks-without-independent-cards--29-october-2026);
+[Discovery scope](DISCOVERY_PROTOTYPE.md#selected-but-unused-e3-deck--29-october-2026).
+
 ## Mixed selected-deck Discovery alone — 29 October 2026
 
 Discovery no longer requires Nexus or independent cards when E3 is selected