fix(game-engine): 중립국을 이민족 종료 집계에서 제외한다

app/game-engine/src/turn/monthlyInvaderAction.ts

@@ -282,7 +282,12 @@ export const createRaiseInvaderHandler = (options: {
             world.updateCity(city.id, { nationId: 0, frontState: 0, supplyState: 1 });
         }
 
-        const existingNationIds = world.listNations().map((nation) => nation.id);
+        // Ref nation table에는 Core의 `id=0 재야` row가 없으므로, 이민족과
+        // 전쟁 관계를 만들 실제 국가만 ID 증가와 외교 생성의 기준으로 삼는다.
+        const existingNationIds = world
+            .listNations()
+            .filter((nation) => nation.id > 0)
+            .map((nation) => nation.id);
         const currentLastNationId = readNumber(world.getState().meta.lastNationId);
         const liveNationMaxId = existingNationIds.reduce((maxId, id) => Math.max(maxId, id), 0);
         let lastNationId = Math.max(currentLastNationId, liveNationMaxId);
@@ -499,12 +504,13 @@ export const createInvaderEndingHandler = (options: {
         if (isUnited === 0 || isUnited === 2) {
             return;
         }
-        const nations = world.listNations();
-        // Ref는 국가명 `ⓞ` prefix로 이벤트 승자를 구분한다. 전체 국가 수로
-        // 막으면 서로 불가침 중인 이민족이 여럿 남았을 때 일반국 전멸 뒤에도
-        // 종료할 수 없으므로, 일반국의 부재를 직접 판정한다.
-        const ordinaryNations = nations.filter((nation) => !nation.name.startsWith(INVADER_PREFIX));
-        const invaderNations = nations.filter((nation) => nation.name.startsWith(INVADER_PREFIX));
+        // Ref의 nation table에는 Core가 domain/DB에 유지하는 `id=0 재야` row가
+        // 없다. 실제 승패 국가만 남긴 뒤 `ⓞ` prefix로 이벤트 승자를 구분한다.
+        // 전체 국가 수로 막으면 서로 불가침 중인 이민족이 여럿 남았을 때
+        // 일반국 전멸 뒤에도 종료할 수 없으므로, 일반국의 부재를 직접 판정한다.
+        const activeNations = world.listNations().filter((nation) => nation.id > 0);
+        const ordinaryNations = activeNations.filter((nation) => !nation.name.startsWith(INVADER_PREFIX));
+        const invaderNations = activeNations.filter((nation) => nation.name.startsWith(INVADER_PREFIX));
         const cities = world.listCities();
         const neutralCityCount = cities.filter((city) => city.nationId === 0).length;
         const userWin = ordinaryNations.length === 1 && invaderNations.length === 0 && neutralCityCount === 0;

app/game-engine/test/monthlyInvaderAction.test.ts

@@ -49,6 +49,14 @@ const buildNation = (id: number, capitalCityId = 1, name = `국가${id}`): Natio
     meta: { tech: 100, war: 1, scout: 1 },
 });
 
+const buildNeutralNation = (): Nation => ({
+    ...buildNation(0, 0, '재야'),
+    chiefGeneralId: null,
+    level: 0,
+    typeCode: 'che_중립',
+    meta: {},
+});
+
 const buildGeneral = (overrides: Partial<TurnGeneral> = {}): TurnGeneral => ({
     id: 1,
     userId: null,
@@ -347,6 +355,7 @@ describe('invader monthly actions', () => {
         };
         const harness = buildHarness({
             cities: [buildCity(1, 1, 3)],
+            nations: [buildNeutralNation(), buildNation(1)],
             events: [endingEvent],
             meta: { isunited: 1, refreshLimit: 3 },
         });
@@ -387,7 +396,7 @@ describe('invader monthly actions', () => {
         ];
         const harness = buildHarness({
             cities: [buildCity(1, 2, 4), buildCity(2, 3, 4)],
-            nations: invaderNations,
+            nations: [buildNeutralNation(), ...invaderNations],
             generals: [],
             events: [endingEvent],
             meta: { isunited: 1, refreshLimit: 3 },
@@ -427,7 +436,12 @@ describe('invader monthly actions', () => {
         };
         const harness = buildHarness({
             cities: [buildCity(1, 1, 3), buildCity(2, 2, 4), buildCity(3, 3, 4)],
-            nations: [buildNation(1), buildNation(2, 2, 'ⓞ남만족'), buildNation(3, 3, 'ⓞ산월족')],
+            nations: [
+                buildNeutralNation(),
+                buildNation(1),
+                buildNation(2, 2, 'ⓞ남만족'),
+                buildNation(3, 3, 'ⓞ산월족'),
+            ],
             events: [endingEvent],
             meta: { isunited: 1, refreshLimit: 3 },
         });

app/game-engine/test/monthlyInvaderPersistence.integration.test.ts

@@ -109,6 +109,19 @@ const buildCity = (id: number, nationId: number, level: number, name: string): C
 
 const ordinaryCity = buildCity(ordinaryCityId, existingNationId, 3, '기준도시');
 const invaderCity = buildCity(invaderCityId, 0, 4, '남만');
+const neutralNation: Nation = {
+    id: 0,
+    name: '재야',
+    color: '#000000',
+    capitalCityId: null,
+    chiefGeneralId: null,
+    gold: 0,
+    rice: 0,
+    power: 0,
+    level: 0,
+    typeCode: 'che_중립',
+    meta: {},
+};
 const existingNation: Nation = {
     id: existingNationId,
     name: '기준국',
@@ -199,7 +212,9 @@ integration('RaiseInvader database persistence', () => {
                 ],
             },
         });
-        await db.nation.deleteMany({ where: { id: { in: [existingNationId, createdNationId] } } });
+        await db.nation.deleteMany({
+            where: { id: { in: [neutralNation.id, existingNationId, createdNationId] } },
+        });
         await db.city.deleteMany({ where: { id: { in: [ordinaryCityId, invaderCityId] } } });
         await db.event.deleteMany({ where: { id: { in: [sourceEventId, ...createdEventIds] } } });
         await db.worldState.deleteMany({ where: { scenarioCode: 'monthly-invader-persistence' } });
@@ -251,6 +266,21 @@ integration('RaiseInvader database persistence', () => {
             });
         await createCity(ordinaryCity);
         await createCity(invaderCity);
+        await db.nation.create({
+            data: {
+                id: neutralNation.id,
+                name: neutralNation.name,
+                color: neutralNation.color,
+                capitalCityId: neutralNation.capitalCityId,
+                chiefGeneralId: neutralNation.chiefGeneralId,
+                gold: neutralNation.gold,
+                rice: neutralNation.rice,
+                tech: 0,
+                level: neutralNation.level,
+                typeCode: neutralNation.typeCode,
+                meta: neutralNation.meta,
+            },
+        });
         await db.nation.create({
             data: {
                 id: existingNationId,
@@ -343,7 +373,7 @@ integration('RaiseInvader database persistence', () => {
             map: { id: 'test', name: 'test', cities: [] },
             generals: [existingGeneral],
             cities: [ordinaryCity, invaderCity],
-            nations: [existingNation],
+            nations: [neutralNation, existingNation],
             troops: [],
             diplomacy: [],
             events: [sourceEvent],
@@ -406,7 +436,22 @@ integration('RaiseInvader database persistence', () => {
                         OR: [{ srcNationId: createdNationId }, { destNationId: createdNationId }],
                     },
                 })
-            ).toBe(2);
+            ).toBe(4);
+            expect(
+                await db.diplomacy.findMany({
+                    where: {
+                        OR: [
+                            { srcNationId: neutralNation.id, destNationId: createdNationId },
+                            { srcNationId: createdNationId, destNationId: neutralNation.id },
+                        ],
+                    },
+                    orderBy: [{ srcNationId: 'asc' }, { destNationId: 'asc' }],
+                    select: { srcNationId: true, destNationId: true, stateCode: true, term: true },
+                })
+            ).toEqual([
+                { srcNationId: neutralNation.id, destNationId: createdNationId, stateCode: 2, term: 0 },
+                { srcNationId: createdNationId, destNationId: neutralNation.id, stateCode: 2, term: 0 },
+            ]);
             expect(
                 await db.event.findMany({
                     where: { id: { in: createdEventIds } },