fix: 선택 불가 국가 성향을 입력 목록에서 제외

Ref의 availableNationType 13개를 공용 목록으로 정의하고 건국, NPC/AI 건국, 전투 시뮬레이터 입력과 검증에 적용한다.

packages/logic/src/actionModules/traits/nation/index.ts

@@ -19,6 +19,17 @@ export const NATION_TRAIT_KEYS = [
 
 export type NationTraitKey = (typeof NATION_TRAIT_KEYS)[number];
 
+// Ref GameConst::$availableNationType excludes the neutral storage/default trait.
+// Founding, NPC founding, and the battle simulator must only expose this list.
+export type AvailableNationTraitKey = Exclude<NationTraitKey, 'che_중립'>;
+
+export const AVAILABLE_NATION_TRAIT_KEYS: readonly AvailableNationTraitKey[] = NATION_TRAIT_KEYS.filter(
+    (key): key is Exclude<NationTraitKey, 'che_중립'> => key !== 'che_중립'
+);
+
+export const isAvailableNationTraitKey = (value: string): value is AvailableNationTraitKey =>
+    AVAILABLE_NATION_TRAIT_KEYS.includes(value as AvailableNationTraitKey);
+
 export type NationTraitModule = TraitModule;
 
 export type NationTraitImporter = () => Promise<TraitModuleExport>;

packages/logic/src/actions/turn/general/foundingShared.ts

@@ -1,4 +1,4 @@
-import { NATION_TRAIT_KEYS } from '@sammo-ts/logic/actionModules/traits/nation/index.js';
+import { isAvailableNationTraitKey } from '@sammo-ts/logic/actionModules/traits/nation/index.js';
 import { getLegacyStringWidth } from '@sammo-ts/logic/troop/management.js';
 import { z } from 'zod';
 
@@ -38,14 +38,12 @@ export const NATION_COLORS = [
     '#A9A9A9',
 ] as const;
 
-const SELECTABLE_NATION_TYPES = new Set<string>(NATION_TRAIT_KEYS.filter((key) => key !== 'che_중립'));
-
 export const FOUNDING_ARGS_SCHEMA = z.object({
     nationName: z
         .string()
         .min(1)
         .refine((value) => getLegacyStringWidth(value) <= 18),
-    nationType: z.string().refine((value) => SELECTABLE_NATION_TYPES.has(value)),
+    nationType: z.string().refine(isAvailableNationTraitKey),
     colorType: z
         .number()
         .int()