Enable Basic Nexus Kull and native reactions

game/faction-module-profile.ts

@@ -36,6 +36,20 @@ type NexusCoreConfiguration = Partial<FactionModuleProfile> & Pick<FactionModule
   sandtrout?: unknown; moritaniAssassinatePreview?: unknown;
 };
 
+/** The pre-existing Nexus Kull audit also accepts Advanced CHOAM/classic
+ * seats; retain its native reaction stamps without opening a public mode. */
+function nexusKullCore(game: NexusCoreConfiguration): boolean {
+  return typeof game.advanced === 'boolean' && !!game.nexusCards &&
+    game.kullPreview === true && game.nexusKullPreview === true && !game.semutaPreview &&
+    game.expansions.length === 2 && game.expansions.includes('ix') && game.expansions.includes('choam') &&
+    !!game.players?.some(player => player.faction === 'choam') &&
+    game.players.every(player => player.faction === 'choam' ||
+      FACTIONS.some(faction => faction.id === player.faction && faction.expansion === 'base')) &&
+    !game.homeworlds && !game.leaderSkills && !game.techTokens && !game.strongholdCards &&
+    !game.ecazTreachery && !game.discoveryEnabled && !game.discoveries && !game.discoveryStash &&
+    !game.greatMaker && !game.advancedPreview && !game.richeseBetrayalPreview;
+}
+
 /** Classic Nexus12 with selected base33/independent36, optional all14, original
  * Homeworlds and phase modules. Native effect stamps are not selected overlays. */
 export function classicNexusCoreProfile(game: NexusCoreConfiguration): boolean {
@@ -79,6 +93,27 @@ export function selectedDiscoverySkillsSemutaProfile(game: NexusCoreConfiguratio
     selectedDiscoveryWithoutCardsProfile({...game, semutaPreview: undefined});
 }
 
+/** Fresh Basic E1/E2 Nexus without additional modules. Native reaction stamps
+ * are part of this core; Semuta and Nexus Kull keep their physical prerequisites. */
+function basicNativeNexusCore(game: NexusCoreConfiguration): boolean {
+  const players = game.players;
+  if (game.advanced !== false || !game.nexusCards || !players || !game.expansions.length ||
+      !game.expansions.every(id => id === 'ix' || id === 'choam') ||
+      game.homeworlds || game.leaderSkills || game.techTokens || game.strongholdCards ||
+      game.ecazTreachery || game.discoveryEnabled || game.discoveries || game.discoveryStash || game.greatMaker ||
+      game.advancedPreview || game.richeseBetrayalPreview) return false;
+  if (game.semutaPreview && (game.semutaPreview !== true || game.kullPreview || game.nexusKullPreview ||
+      !game.expansions.includes('choam') || !players.some(player => player.faction === 'richese'))) return false;
+  if (game.kullPreview || game.nexusKullPreview) {
+    if (game.kullPreview !== true || game.nexusKullPreview !== true || game.semutaPreview ||
+        game.expansions.length !== 2 || !game.expansions.includes('ix') || !game.expansions.includes('choam') ||
+        !players.some(player => player.faction === 'choam') ||
+        players.some(player => player.faction !== 'choam' &&
+          !FACTIONS.some(faction => faction.id === player.faction && faction.expansion === 'base'))) return false;
+  }
+  return true;
+}
+
 /** Original selected decks do not require their native factions or the
  * independent three-card variant. Hidden E3/Harkonnen compositions retain
  * their existing separately scoped paths. */
@@ -88,7 +123,7 @@ export function selectedNexusWithoutCardsProfile(game: NexusCoreConfiguration):
       !game.expansions.length || !nexusCoreRosterProfile(game, true, game.discoveryEnabled === true)) return false;
   if (game.advanced && players.some(player => player.faction === 'harkonnen') &&
       players.some(player => player.faction === 'ecaz' || player.faction === 'moritani')) return false;
-  return game.expansions.some(expansion => !players.some(player =>
+  return basicNativeNexusCore(game) || game.expansions.some(expansion => !players.some(player =>
     FACTIONS.some(faction => faction.id === player.faction && faction.expansion === expansion)));
 }
 
@@ -100,11 +135,12 @@ export function nexusCoreProfile(game: NexusCoreConfiguration): boolean {
 
 function nexusCoreRosterProfile(game: NexusCoreConfiguration, selectedDecks: boolean, discovery = false): boolean {
   const players = game.players;
+  const basicNative = selectedDecks && (basicNativeNexusCore(game) || nexusKullCore(game));
   if (typeof game.advanced !== 'boolean' || (!discovery && !game.nexusCards) ||
     !players || players.length < (game.techTokens ? 3 : 2) || players.length > 6 ||
     (game.strongholdCards && !game.advanced) ||
     (!discovery && (game.discoveryEnabled || game.discoveries || game.discoveryStash || game.greatMaker)) ||
-    game.semutaPreview || game.advancedPreview || game.kullPreview || game.nexusKullPreview ||
+    (game.semutaPreview || game.kullPreview || game.nexusKullPreview) && !basicNative || game.advancedPreview ||
     game.richeseBetrayalPreview ||
     (!game.nexusCards && (game.guildBetrayalPreview || game.nexusIxianReplacementPreview ||
       game.nexusIxianBetrayalPreview || game.nexusHarkonnenBetrayalPreview)) ||