fix(gateway): show legacy season states

app/game-api/test/directoryRouter.test.ts

@@ -178,11 +178,13 @@ const globalGenerals = [
     }),
 ];
 
-const createContext = (options: {
-    auth?: GameSessionTokenPayload | null;
-    me?: GeneralRow | null;
-    isUnited?: number;
-} = {}): { context: GameApiContext; requestCommand: ReturnType<typeof vi.fn> } => {
+const createContext = (
+    options: {
+        auth?: GameSessionTokenPayload | null;
+        me?: GeneralRow | null;
+        isUnited?: number;
+    } = {}
+): { context: GameApiContext; requestCommand: ReturnType<typeof vi.fn> } => {
     const token = options.auth === undefined ? auth() : options.auth;
     const me = options.me === undefined ? actor({ userId: token?.user.id ?? 'user-1' }) : options.me;
     const requestCommand = vi.fn();
@@ -280,12 +282,7 @@ describe('legacy global nation/general directories', () => {
             ambassadorNames: ['군주', '외교관'],
             auditorCount: 1,
         });
-        expect(result[1]?.generals.map((general) => general.name)).toEqual([
-            '군주',
-            '외교관',
-            '제재외교관',
-            '조언자',
-        ]);
+        expect(result[1]?.generals.map((general) => general.name)).toEqual(['군주', '외교관', '제재외교관', '조언자']);
         expect(result[1]?.officers[0]).toMatchObject({
             officerLevel: 12,
             general: { id: 10, name: '군주' },
@@ -311,9 +308,9 @@ describe('legacy global nation/general directories', () => {
         expect(defaultResult.generals.find((general) => general.id === 10)?.ownerName).toBeNull();
     });
 
-    it('reveals only the legacy owner display name after unification', async () => {
+    it.each([1, 2, 3])('reveals only the legacy owner display name in united state %i', async (isUnited) => {
         const result = await appRouter
-            .createCaller(createContext({ isUnited: 1 }).context)
+            .createCaller(createContext({ isUnited }).context)
             .world.getGeneralDirectory({ sort: 1 });
         expect(result.generals.find((general) => general.id === 10)?.ownerName).toBe('통일유저');
         expect(JSON.stringify(result)).not.toContain('user-1');

app/game-api/test/lobbyRouter.test.ts

@@ -0,0 +1,39 @@
+import { describe, expect, it, vi } from 'vitest';
+
+import type { DatabaseClient, GameApiContext } from '../src/context.js';
+import { appRouter } from '../src/router.js';
+
+const buildContext = (meta: Record<string, unknown>): GameApiContext =>
+    ({
+        auth: null,
+        db: {
+            worldState: {
+                findFirst: vi.fn(async () => ({
+                    id: 1,
+                    scenarioCode: 'default',
+                    currentYear: 200,
+                    currentMonth: 1,
+                    tickSeconds: 3_600,
+                    config: {},
+                    meta,
+                    updatedAt: new Date('2026-07-31T00:00:00.000Z'),
+                })),
+            },
+            general: {
+                count: vi.fn(async () => 0),
+            },
+            nation: {
+                count: vi.fn(async () => 0),
+            },
+        } as unknown as DatabaseClient,
+    }) as GameApiContext;
+
+describe('lobby season state', () => {
+    it.each([0, 1, 2, 3])('returns legacy isunited state %i', async (isunited) => {
+        const result = await appRouter
+            .createCaller(buildContext({ isUnited: isunited === 0 ? 2 : 0, isunited }))
+            .lobby.info();
+
+        expect(result.isUnited).toBe(isunited);
+    });
+});