Compose native faction Tech and Advanced Strongholds without Skills

game/faction-module-profile.ts

@@ -0,0 +1,68 @@
+import { FACTIONS } from './catalog';
+
+/** Public lobby configuration only; physical freshness is checked by the initializer. */
+export type FactionModuleProfile = {
+  advanced: boolean;
+  expansions: readonly string[];
+  players: readonly { faction: string }[];
+  techTokens?: unknown;
+  strongholdCards?: unknown;
+  leaderSkills?: unknown;
+  homeworlds?: unknown;
+  nexusCards?: unknown;
+  discoveryEnabled?: unknown;
+  discoveries?: unknown;
+  discoveryStash?: unknown;
+  greatMaker?: unknown;
+  ecazTreachery?: unknown;
+  semutaPreview?: unknown;
+  advancedPreview?: unknown;
+  kullPreview?: unknown;
+  nexusKullPreview?: unknown;
+  guildBetrayalPreview?: unknown;
+  richeseBetrayalPreview?: unknown;
+  nexusIxianReplacementPreview?: unknown;
+  nexusIxianBetrayalPreview?: unknown;
+  nexusHarkonnenBetrayalPreview?: unknown;
+};
+
+/** Original E1/E2 families or standalone Ecaz/Moritani; no unrelated overlays. */
+export function nativeFactionTechProfile(game: FactionModuleProfile): boolean {
+  if (typeof game.advanced !== 'boolean' || !game.techTokens ||
+    game.players.length < 3 || game.players.length > 6 ||
+    game.expansions.length < 1 || game.expansions.length > 2 ||
+    (game.strongholdCards && !game.advanced) || game.leaderSkills ||
+    game.homeworlds || game.nexusCards || game.discoveryEnabled || game.discoveries ||
+    game.discoveryStash || game.greatMaker || game.ecazTreachery ||
+    game.semutaPreview || game.advancedPreview || game.kullPreview || game.nexusKullPreview ||
+    game.guildBetrayalPreview || game.richeseBetrayalPreview ||
+    game.nexusIxianReplacementPreview || game.nexusIxianBetrayalPreview ||
+    game.nexusHarkonnenBetrayalPreview) return false;
+  const e3 = game.expansions.length === 1 && game.expansions[0] === 'ecaz';
+  if (!e3) {
+    for (let i = 0; i < game.expansions.length; i++) {
+      if (game.expansions[i] !== 'ix' && game.expansions[i] !== 'choam') return false;
+      for (let j = 0; j < i; j++) if (game.expansions[i] === game.expansions[j]) return false;
+    }
+  }
+  let native = 0;
+  let moritani = false;
+  let harkonnen = false;
+  for (let i = 0; i < game.players.length; i++) {
+    const player = game.players[i];
+    for (let j = 0; j < i; j++) if (player.faction === game.players[j].faction) return false;
+    let expansion: string | undefined;
+    for (const faction of FACTIONS)
+      if (faction.id === player.faction) { expansion = faction.expansion; break; }
+    if (expansion === undefined) return false;
+    if (expansion !== 'base') {
+      if (e3 ? player.faction !== 'ecaz' && player.faction !== 'moritani'
+        : !game.expansions.includes(expansion)) return false;
+      native++;
+    }
+    if (player.faction === 'moritani') moritani = true;
+    if (player.faction === 'harkonnen') harkonnen = true;
+  }
+  return native > 0 && (!e3 || native === 1) &&
+    !(game.advanced && moritani && harkonnen);
+}