Compose original classic and paired Nexus Discovery modules

game/discovery-module-profile.ts

@@ -89,3 +89,33 @@ export function classicDiscoveryNexusProfile(game: FactionModuleProfile): boolea
   }
   return true;
 }
+
+/** Both original natives in one E1/E2 Nexus/Discovery family, without Skills.
+ * Original setup owns undealt inventories; live Discovery frames are expected. */
+export function pairedDiscoveryNexusProfile(game: FactionModuleProfile): boolean {
+  if (typeof game.advanced !== 'boolean' || game.discoveryEnabled !== true ||
+    !game.nexusCards || game.expansions.length !== 1 ||
+    game.players.length < 2 || game.players.length > 6 ||
+    (game.techTokens && game.players.length < 3) ||
+    (game.strongholdCards && !game.advanced) || game.leaderSkills || game.homeworlds ||
+    game.ecazTreachery || game.semutaPreview || game.advancedPreview || game.kullPreview ||
+    game.nexusKullPreview || game.guildBetrayalPreview || game.richeseBetrayalPreview ||
+    game.nexusIxianReplacementPreview || game.nexusIxianBetrayalPreview ||
+    game.nexusHarkonnenBetrayalPreview) return false;
+  const expansion = game.expansions[0];
+  if (expansion !== 'ix' && expansion !== 'choam') return false;
+  const primary = expansion === 'ix' ? 'ixians' : 'choam';
+  const secondary = expansion === 'ix' ? 'tleilaxu' : 'richese';
+  let hasPrimary = false, hasSecondary = false;
+  for (let i = 0; i < game.players.length; i++) {
+    const player = game.players[i];
+    for (let j = 0; j < i; j++) if (game.players[j].faction === player.faction) return false;
+    let family: string | undefined;
+    for (const faction of FACTIONS)
+      if (faction.id === player.faction) { family = faction.expansion; break; }
+    if (family !== 'base' && family !== expansion) return false;
+    if (player.faction === primary) hasPrimary = true;
+    if (player.faction === secondary) hasSecondary = true;
+  }
+  return hasPrimary && hasSecondary;
+}