diff --git a/app/game-api/src/router/general/index.ts b/app/game-api/src/router/general/index.ts
index 8294f99..32ab3ed 100644
--- a/app/game-api/src/router/general/index.ts
+++ b/app/game-api/src/router/general/index.ts
@@ -5,7 +5,9 @@ import { LogCategory, LogScope } from '@sammo-ts/infra';
 import { asRecord } from '@sammo-ts/common';
 
 import { authedProcedure, router } from '../../trpc.js';
+import { resolveAccessWindows } from '../../services/generalAccess.js';
 import { getMyGeneral } from '../shared/general.js';
+import { resolveNationNotice } from '../nation/shared.js';
 
 const zGeneralSettings = z.object({
     tnmt: z.number().int().optional(),
@@ -381,4 +383,119 @@ export const generalRouter = router({
                 history: trimRecentRecords(history, input.lastWorldHistoryId),
             };
         }),
+    getFrontStatus: authedProcedure.query(async ({ ctx }) => {
+        const me = await getMyGeneral(ctx);
+        const worldState = await ctx.db.worldState.findFirst({
+            orderBy: { id: 'asc' },
+            select: {
+                tickSeconds: true,
+                meta: true,
+            },
+        });
+        if (!worldState) {
+            throw new TRPCError({ code: 'PRECONDITION_FAILED', message: 'World state is not initialized.' });
+        }
+
+        const now = new Date();
+        const { scoreStartedAt } = resolveAccessWindows(now, worldState.tickSeconds, worldState.meta);
+        const [onlineAccess, ownNation, latestVote] = await Promise.all([
+            ctx.db.generalAccessLog.findMany({
+                where: {
+                    lastRefresh: {
+                        gte: scoreStartedAt,
+                    },
+                },
+                select: { generalId: true },
+            }),
+            me.nationId > 0
+                ? ctx.db.nation.findUnique({
+                      where: { id: me.nationId },
+                      select: { meta: true },
+                  })
+                : Promise.resolve(null),
+            ctx.db.votePoll.findFirst({
+                where: {
+                    startAt: { lte: now },
+                    closedAt: null,
+                    OR: [{ endAt: null }, { endAt: { gte: now } }],
+                },
+                orderBy: { id: 'desc' },
+                select: {
+                    id: true,
+                    title: true,
+                },
+            }),
+        ]);
+
+        const onlineGeneralIds = onlineAccess.map((entry) => entry.generalId);
+        const onlineGenerals =
+            onlineGeneralIds.length > 0
+                ? await ctx.db.general.findMany({
+                      where: { id: { in: onlineGeneralIds } },
+                      orderBy: { id: 'asc' },
+                      select: {
+                          id: true,
+                          name: true,
+                          nationId: true,
+                      },
+                  })
+                : [];
+        const nationIds = [...new Set(onlineGenerals.map((general) => general.nationId).filter((id) => id > 0))];
+        const nations =
+            nationIds.length > 0
+                ? await ctx.db.nation.findMany({
+                      where: { id: { in: nationIds } },
+                      select: {
+                          id: true,
+                          name: true,
+                      },
+                  })
+                : [];
+        const nationNames = new Map(nations.map((nation) => [nation.id, nation.name]));
+        const onlineByNation = new Map<number, typeof onlineGenerals>();
+        for (const general of onlineGenerals) {
+            const bucket = onlineByNation.get(general.nationId) ?? [];
+            bucket.push(general);
+            onlineByNation.set(general.nationId, bucket);
+        }
+        const onlineNations = [...onlineByNation.entries()]
+            .sort((left, right) => right[1].length - left[1].length || left[0] - right[0])
+            .map(([nationId]) => `【${nationId === 0 ? '재야' : (nationNames.get(nationId) ?? `세력 ${nationId}`)}】`)
+            .join(', ');
+        const myOnlineGenerals = onlineGenerals
+            .filter((general) => general.nationId === me.nationId)
+            .map((general) => general.name)
+            .join(', ');
+        const myVote = latestVote
+            ? await ctx.db.vote.findFirst({
+                  where: {
+                      voteId: latestVote.id,
+                      generalId: me.id,
+                  },
+                  select: { id: true },
+              })
+            : null;
+        const worldMeta = asRecord(worldState.meta);
+        const rawLastExecuted = worldMeta.lastTurnTime ?? worldMeta.turntime;
+        const parsedLastExecuted =
+            typeof rawLastExecuted === 'string' || rawLastExecuted instanceof Date ? new Date(rawLastExecuted) : null;
+
+        return {
+            onlineUserCount: onlineGenerals.length,
+            onlineNations,
+            onlineGenerals: myOnlineGenerals,
+            nationNotice: ownNation ? resolveNationNotice(asRecord(ownNation.meta)) : '',
+            lastExecuted:
+                parsedLastExecuted && Number.isFinite(parsedLastExecuted.getTime())
+                    ? parsedLastExecuted.toISOString()
+                    : null,
+            latestVote: latestVote
+                ? {
+                      id: latestVote.id,
+                      title: latestVote.title,
+                      hasVoted: Boolean(myVote),
+                  }
+                : null,
+        };
+    }),
 });
diff --git a/app/game-api/test/mainFrontStatusRouter.test.ts b/app/game-api/test/mainFrontStatusRouter.test.ts
new file mode 100644
index 0000000..ee10cff
--- /dev/null
+++ b/app/game-api/test/mainFrontStatusRouter.test.ts
@@ -0,0 +1,127 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+import type { GameSessionTokenPayload } from '@sammo-ts/common/auth/gameToken';
+
+import type { DatabaseClient, GameApiContext } from '../src/context.js';
+import { appRouter } from '../src/router.js';
+
+const auth: GameSessionTokenPayload = {
+    version: 1,
+    profile: 'che:default',
+    issuedAt: '2026-07-26T00:00:00.000Z',
+    expiresAt: '2026-07-27T00:00:00.000Z',
+    sessionId: 'front-status-owner',
+    user: {
+        id: 'owner',
+        username: 'owner',
+        displayName: 'Owner',
+        roles: [],
+    },
+    sanctions: {},
+};
+
+const buildContext = (options: { auth?: GameSessionTokenPayload | null; hasVoted?: boolean } = {}) =>
+    ({
+        auth: options.auth === undefined ? auth : options.auth,
+        db: {
+            general: {
+                findFirst: vi.fn(async () => ({
+                    id: 7,
+                    userId: 'owner',
+                    nationId: 2,
+                })),
+                findMany: vi.fn(async () => [
+                    { id: 7, name: '유비', nationId: 2 },
+                    { id: 8, name: '관우', nationId: 2 },
+                    { id: 9, name: '조조', nationId: 3 },
+                ]),
+            },
+            worldState: {
+                findFirst: vi.fn(async () => ({
+                    tickSeconds: 3600,
+                    meta: {
+                        lastTurnTime: '2026-07-26T10:00:00.000Z',
+                    },
+                })),
+            },
+            generalAccessLog: {
+                findMany: vi.fn(async () => [{ generalId: 7 }, { generalId: 8 }, { generalId: 9 }]),
+            },
+            nation: {
+                findUnique: vi.fn(async () => ({
+                    meta: {
+                        notice: '<p>북벌 준비</p>',
+                    },
+                })),
+                findMany: vi.fn(async () => [
+                    { id: 2, name: '촉' },
+                    { id: 3, name: '위' },
+                ]),
+            },
+            votePoll: {
+                findFirst: vi.fn(async () => ({
+                    id: 12,
+                    title: '다음 시즌 턴 시간',
+                })),
+            },
+            vote: {
+                findFirst: vi.fn(async () => (options.hasVoted ? { id: 21 } : null)),
+            },
+        } as unknown as DatabaseClient,
+    }) as GameApiContext;
+
+describe('general.getFrontStatus', () => {
+    beforeEach(() => {
+        vi.useFakeTimers();
+        vi.setSystemTime(new Date('2026-07-26T10:30:00.000Z'));
+    });
+
+    afterEach(() => {
+        vi.useRealTimers();
+    });
+
+    it('returns ref-compatible current-turn online, nation notice, and new vote data', async () => {
+        const context = buildContext();
+        const caller = appRouter.createCaller(context);
+
+        const result = await caller.general.getFrontStatus();
+
+        expect(result).toEqual({
+            onlineUserCount: 3,
+            onlineNations: '【촉】, 【위】',
+            onlineGenerals: '유비, 관우',
+            nationNotice: '<p>북벌 준비</p>',
+            lastExecuted: '2026-07-26T10:00:00.000Z',
+            latestVote: {
+                id: 12,
+                title: '다음 시즌 턴 시간',
+                hasVoted: false,
+            },
+        });
+        expect(context.db.generalAccessLog.findMany).toHaveBeenCalledWith({
+            where: {
+                lastRefresh: {
+                    gte: new Date('2026-07-26T10:00:00.000Z'),
+                },
+            },
+            select: { generalId: true },
+        });
+    });
+
+    it('reports that the session-owned general already voted', async () => {
+        const caller = appRouter.createCaller(buildContext({ hasVoted: true }));
+
+        await expect(caller.general.getFrontStatus()).resolves.toMatchObject({
+            latestVote: {
+                id: 12,
+                hasVoted: true,
+            },
+        });
+    });
+
+    it('requires a game session and does not expose names or policy publicly', async () => {
+        const caller = appRouter.createCaller(buildContext({ auth: null }));
+
+        await expect(caller.general.getFrontStatus()).rejects.toMatchObject({ code: 'UNAUTHORIZED' });
+    });
+});
diff --git a/app/game-engine/src/turn/inMemoryWorld.ts b/app/game-engine/src/turn/inMemoryWorld.ts
index 72dda91..16f2ce2 100644
--- a/app/game-engine/src/turn/inMemoryWorld.ts
+++ b/app/game-engine/src/turn/inMemoryWorld.ts
@@ -482,12 +482,9 @@ export class InMemoryTurnWorld {
     }
 
     getDiplomacyEntry(srcNationId: number, destNationId: number): TurnDiplomacy | null {
-        if (srcNationId === destNationId) {
-            return null;
-        }
         const key = buildDiplomacyKey(srcNationId, destNationId);
         let entry = this.diplomacy.get(key);
-        if (!entry && this.nations.has(srcNationId) && this.nations.has(destNationId)) {
+        if (!entry && srcNationId !== destNationId && this.nations.has(srcNationId) && this.nations.has(destNationId)) {
             entry = buildDefaultDiplomacy(srcNationId, destNationId);
             this.diplomacy.set(key, entry);
             this.dirtyDiplomacyKeys.add(key);
diff --git a/app/game-frontend/src/components/main/MainFrontStatus.vue b/app/game-frontend/src/components/main/MainFrontStatus.vue
new file mode 100644
index 0000000..85b39b5
--- /dev/null
+++ b/app/game-frontend/src/components/main/MainFrontStatus.vue
@@ -0,0 +1,99 @@
+<script setup lang="ts">
+defineProps<{
+    status: {
+        onlineUserCount: number;
+        onlineNations: string;
+        onlineGenerals: string;
+        nationNotice: string;
+        lastExecuted: string | null;
+        latestVote: {
+            id: number;
+            title: string;
+            hasVoted: boolean;
+        } | null;
+    } | null;
+}>();
+</script>
+
+<template>
+    <section class="front-status" aria-label="접속 현황과 국가 방침">
+        <div class="status-row vote-status">
+            <RouterLink v-if="status?.latestVote" to="/survey">
+                <span class="vote-label">설문 진행 중: </span>{{ status.latestVote.title }}
+            </RouterLink>
+            <span v-else class="vote-empty">진행중인 설문 없음</span>
+        </div>
+        <div class="status-row online-nations">접속중인 국가: {{ status?.onlineNations ?? '' }}</div>
+        <div class="status-row online-users">【 접속자 】 {{ status?.onlineGenerals ?? '' }}</div>
+        <div class="status-row nation-notice">
+            <div class="notice-title">【 국가방침 】</div>
+            <!-- 레거시 국가 방침은 같은 저장 형식의 HTML 본문을 그대로 표시한다. -->
+            <!-- eslint-disable-next-line vue/no-v-html -->
+            <div class="nation-notice-body" v-html="status?.nationNotice ?? ''" />
+        </div>
+    </section>
+</template>
+
+<style scoped>
+.front-status {
+    width: calc(100% + 48px);
+    margin-left: -24px;
+    background-color: #302016;
+    background-image: url('/image/game/back_walnut.jpg');
+    color: #fff;
+    font-size: 14px;
+    font-weight: 400;
+    line-height: 21px;
+}
+
+.status-row {
+    box-sizing: border-box;
+    min-height: 36px;
+    border-top: 1px solid gray;
+    padding: 7px;
+}
+
+.nation-notice {
+    padding: 7px 0;
+}
+
+.notice-title {
+    padding: 0 7px;
+}
+
+.nation-notice-body {
+    overflow-wrap: anywhere;
+}
+
+.nation-notice-body :deep(p) {
+    min-height: 1em;
+    margin: 0;
+}
+
+.vote-status {
+    width: 33.333333%;
+    margin-left: auto;
+    padding-right: 0;
+    padding-left: 0;
+    text-align: center;
+}
+
+.vote-status a {
+    color: #fff;
+    text-decoration: gray underline;
+}
+
+.vote-label {
+    color: cyan;
+}
+
+.vote-empty {
+    color: magenta;
+}
+
+@media (max-width: 991px) {
+    .vote-status {
+        width: 50%;
+    }
+}
+</style>
diff --git a/app/game-frontend/src/stores/mainDashboard.ts b/app/game-frontend/src/stores/mainDashboard.ts
index a79a0d5..c02c3c5 100644
--- a/app/game-frontend/src/stores/mainDashboard.ts
+++ b/app/game-frontend/src/stores/mainDashboard.ts
@@ -27,10 +27,12 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
     type BoardAccess = Awaited<ReturnType<typeof trpc.board.getAccess.query>>;
     type ReservedTurnView = Awaited<ReturnType<typeof trpc.turns.reserved.getGeneral.query>>[number];
     type RecentRecord = Awaited<ReturnType<typeof trpc.general.getRecentRecords.query>>['global'][number];
+    type FrontStatus = Awaited<ReturnType<typeof trpc.general.getFrontStatus.query>>;
 
     const loading = ref(false);
     const error = ref<string | null>(null);
     const recordsError = ref<string | null>(null);
+    const frontStatusError = ref<string | null>(null);
     const realtimeEnabled = ref(true);
     const realtimeStatus = ref<'idle' | 'connected' | 'paused'>('idle');
 
@@ -47,6 +49,8 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
     const globalRecords = ref<RecentRecord[]>([]);
     const generalRecords = ref<RecentRecord[]>([]);
     const worldHistory = ref<RecentRecord[]>([]);
+    const frontStatus = ref<FrontStatus | null>(null);
+    const surveyNotice = ref<NonNullable<FrontStatus['latestVote']> | null>(null);
     let lastGeneralRecordId = 0;
     let lastWorldHistoryId = 0;
     let recordGeneralId: number | null = null;
@@ -199,6 +203,28 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         }
     };
 
+    const updateFrontStatus = (nextStatus: FrontStatus) => {
+        frontStatus.value = nextStatus;
+        const latestVote = nextStatus.latestVote;
+        if (!latestVote || latestVote.hasVoted || typeof window === 'undefined') {
+            surveyNotice.value = null;
+            return;
+        }
+        const serverId = session.profile?.split(':', 1)[0] ?? 'game';
+        const storageKey = `state.${serverId}.lastVote`;
+        const lastSeenVoteId = Number.parseInt(window.localStorage.getItem(storageKey) ?? '0', 10);
+        if (latestVote.id <= (Number.isFinite(lastSeenVoteId) ? lastSeenVoteId : 0)) {
+            surveyNotice.value = null;
+            return;
+        }
+        window.localStorage.setItem(storageKey, latestVote.id.toString());
+        surveyNotice.value = latestVote;
+    };
+
+    const dismissSurveyNotice = () => {
+        surveyNotice.value = null;
+    };
+
     const mergeRecentRecords = (current: RecentRecord[], incoming: RecentRecord[]): RecentRecord[] => {
         const merged = new Map(current.map((entry) => [entry.id, entry]));
         for (const entry of incoming) {
@@ -214,6 +240,8 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         lastGeneralRecordId = 0;
         lastWorldHistoryId = 0;
         recordGeneralId = id;
+        frontStatus.value = null;
+        surveyNotice.value = null;
     };
 
     const loadMainData = async () => {
@@ -223,6 +251,7 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         loading.value = true;
         error.value = null;
         recordsError.value = null;
+        frontStatusError.value = null;
 
         try {
             const context = await trpc.general.me.query();
@@ -256,19 +285,35 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
                     recordsError.value = resolveErrorMessage(err);
                     return null;
                 });
-            const [layout, lobby, map, commands, messageData, contacts, access, generalTurns, nationTurns, records] =
-                await Promise.all([
-                    layoutPromise,
-                    trpc.lobby.info.query(),
-                    trpc.world.getMap.query({ generalId: id, showMe: true, useCache: true }),
-                    trpc.turns.getCommandTable.query({ generalId: id }),
-                    trpc.messages.getRecent.query({ generalId: id }),
-                    trpc.messages.getContacts.query({ generalId: id }),
-                    trpc.board.getAccess.query(),
-                    generalTurnsPromise,
-                    nationTurnsPromise,
-                    recordsPromise,
-                ]);
+            const frontStatusPromise = trpc.general.getFrontStatus.query().catch((err: unknown) => {
+                frontStatusError.value = resolveErrorMessage(err);
+                return null;
+            });
+            const [
+                layout,
+                lobby,
+                map,
+                commands,
+                messageData,
+                contacts,
+                access,
+                generalTurns,
+                nationTurns,
+                records,
+                nextFrontStatus,
+            ] = await Promise.all([
+                layoutPromise,
+                trpc.lobby.info.query(),
+                trpc.world.getMap.query({ generalId: id, showMe: true, useCache: true }),
+                trpc.turns.getCommandTable.query({ generalId: id }),
+                trpc.messages.getRecent.query({ generalId: id }),
+                trpc.messages.getContacts.query({ generalId: id }),
+                trpc.board.getAccess.query(),
+                generalTurnsPromise,
+                nationTurnsPromise,
+                recordsPromise,
+                frontStatusPromise,
+            ]);
 
             mapLayout.value = layout;
             lobbyInfo.value = lobby;
@@ -290,6 +335,9 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
                 );
                 lastWorldHistoryId = Math.max(lastWorldHistoryId, records.history[0]?.id ?? 0);
             }
+            if (nextFrontStatus) {
+                updateFrontStatus(nextFrontStatus);
+            }
             if (initializedMailboxGeneralId !== id) {
                 targetMailbox.value = MESSAGE_MAILBOX_NATIONAL_BASE + context.general.nationId;
                 initializedMailboxGeneralId = id;
@@ -639,6 +687,7 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         loading,
         error,
         recordsError,
+        frontStatusError,
         realtimeEnabled,
         realtimeStatus,
         generalContext,
@@ -658,12 +707,15 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         globalRecords,
         generalRecords,
         worldHistory,
+        frontStatus,
+        surveyNotice,
         messageDraftText,
         targetMailbox,
         mailboxGroups,
         statusLine,
         realtimeLabel,
         setRealtimeEnabled,
+        dismissSurveyNotice,
         loadMainData,
         refreshMessages,
         sendMessage,
diff --git a/app/game-frontend/src/views/MainView.vue b/app/game-frontend/src/views/MainView.vue
index 023dde4..bdb24bd 100644
--- a/app/game-frontend/src/views/MainView.vue
+++ b/app/game-frontend/src/views/MainView.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, watch } from 'vue';
+import { onUnmounted, ref, watch } from 'vue';
 import { storeToRefs } from 'pinia';
 import { useMediaQuery } from '@vueuse/core';
 import PanelCard from '../components/ui/PanelCard.vue';
@@ -12,6 +12,7 @@ import NationBasicCard from '../components/main/NationBasicCard.vue';
 import MessagePanel from '../components/main/MessagePanel.vue';
 import SelectedCityPanel from '../components/main/SelectedCityPanel.vue';
 import RecordPanel from '../components/main/RecordPanel.vue';
+import MainFrontStatus from '../components/main/MainFrontStatus.vue';
 import { formatLog } from '../utils/formatLog';
 import { useSessionStore } from '../stores/session';
 import { useMainDashboardStore } from '../stores/mainDashboard';
@@ -38,6 +39,7 @@ const {
     loading,
     error,
     recordsError,
+    frontStatusError,
     realtimeEnabled,
     general,
     city,
@@ -53,6 +55,8 @@ const {
     globalRecords,
     generalRecords,
     worldHistory,
+    frontStatus,
+    surveyNotice,
     messageDraftText,
     targetMailbox,
     mailboxGroups,
@@ -60,6 +64,22 @@ const {
     realtimeLabel,
 } = storeToRefs(dashboard);
 
+let surveyNoticeTimer: ReturnType<typeof setTimeout> | null = null;
+watch(surveyNotice, (notice) => {
+    if (surveyNoticeTimer) {
+        clearTimeout(surveyNoticeTimer);
+        surveyNoticeTimer = null;
+    }
+    if (notice) {
+        surveyNoticeTimer = setTimeout(() => dashboard.dismissSurveyNotice(), 60_000);
+    }
+});
+onUnmounted(() => {
+    if (surveyNoticeTimer) {
+        clearTimeout(surveyNoticeTimer);
+    }
+});
+
 const reserveGeneralTurn = (payload: { index: number; action: string; args: Record<string, unknown> }) => {
     void dashboard.setGeneralTurn(payload.index, payload.action, payload.args);
 };
@@ -153,11 +173,22 @@ watch(
         </header>
 
         <div v-if="error" class="error">{{ error }}</div>
+        <div v-if="frontStatusError" class="front-status-error" role="alert">{{ frontStatusError }}</div>
 
         <div v-if="session.needsGeneral" class="warning">
             장수가 아직 생성되지 않았습니다. <RouterLink to="/join">장수 생성/빙의</RouterLink>
         </div>
 
+        <MainFrontStatus :status="frontStatus" />
+
+        <aside v-if="surveyNotice" class="survey-notice" role="status" aria-live="polite">
+            <div class="survey-notice-title">
+                <strong>설문조사 안내</strong>
+                <button type="button" aria-label="설문조사 알림 닫기" @click="dashboard.dismissSurveyNotice">×</button>
+            </div>
+            <RouterLink to="/survey">새로운 설문조사가 있습니다.</RouterLink>
+        </aside>
+
         <section v-if="isMobile" class="layout-mobile">
             <div class="mobile-tabs">
                 <button
@@ -453,11 +484,62 @@ button {
     font-size: 0.85rem;
 }
 
+.front-status-error {
+    color: #ff8a80;
+    font-size: 0.85rem;
+}
+
 .warning {
     color: #f5d08a;
     font-size: 0.85rem;
 }
 
+.survey-notice {
+    position: fixed;
+    z-index: 1080;
+    right: 16px;
+    bottom: 16px;
+    box-sizing: border-box;
+    width: min(350px, calc(100vw - 32px));
+    border: 1px solid rgba(255, 193, 7, 0.75);
+    border-radius: 4px;
+    background: rgba(32, 28, 16, 0.96);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
+    color: #fff;
+    font-size: 14px;
+    line-height: 1.3;
+}
+
+.survey-notice-title {
+    display: flex;
+    min-height: 35px;
+    align-items: center;
+    justify-content: space-between;
+    border-bottom: 1px solid rgba(255, 193, 7, 0.45);
+    padding: 8px 12px;
+    color: #ffc107;
+}
+
+.survey-notice-title button {
+    padding: 0 4px;
+    cursor: pointer;
+    font-size: 20px;
+    line-height: 1;
+}
+
+.survey-notice > a {
+    display: block;
+    padding: 12px;
+    color: #fff;
+    text-decoration: none;
+}
+
+.survey-notice > a:hover,
+.survey-notice > a:focus-visible {
+    background: rgba(255, 193, 7, 0.12);
+    text-decoration: underline;
+}
+
 .layout-desktop {
     display: grid;
     grid-template-columns: minmax(320px, 1.4fr) minmax(320px, 1fr);
diff --git a/app/gateway-api/test/authFlow.test.ts b/app/gateway-api/test/authFlow.test.ts
index 79bc1ce..c93b1f9 100644
--- a/app/gateway-api/test/authFlow.test.ts
+++ b/app/gateway-api/test/authFlow.test.ts
@@ -394,6 +394,24 @@ describe('gateway auth flow', () => {
 
         expect(validated?.user.username).toBe('tester');
     });
+
+    it('revokes the gateway session and every linked game session on logout', async () => {
+        const { caller, users, sessions } = buildCaller();
+        const user = await users.createUser({
+            username: 'logout-user',
+            password: 'secretpass',
+        });
+        const session = await sessions.createSession(user);
+        const gameSession = await sessions.createGameSession(session.sessionToken, 'che:default');
+        expect(gameSession).not.toBeNull();
+
+        await caller.auth.logout({ sessionToken: session.sessionToken });
+
+        expect(await sessions.getSession(session.sessionToken)).toBeNull();
+        expect(
+            gameSession ? await sessions.getGameSession(gameSession.profile, gameSession.gameToken) : undefined
+        ).toBeNull();
+    });
 });
 
 describe('account self service', () => {
diff --git a/app/gateway-frontend/e2e/logout.spec.ts b/app/gateway-frontend/e2e/logout.spec.ts
new file mode 100644
index 0000000..e9e0bd3
--- /dev/null
+++ b/app/gateway-frontend/e2e/logout.spec.ts
@@ -0,0 +1,135 @@
+import { expect, test, type Page, type Route } from '@playwright/test';
+
+const response = (data: unknown) => ({ result: { data } });
+const errorResponse = (path: string, message: string) => ({
+    error: {
+        message,
+        code: -32603,
+        data: {
+            code: 'INTERNAL_SERVER_ERROR',
+            httpStatus: 500,
+            path,
+        },
+    },
+});
+
+const operationNames = (route: Route): string[] => {
+    const url = new URL(route.request().url());
+    return decodeURIComponent(url.pathname.slice(url.pathname.lastIndexOf('/trpc/') + 6)).split(',');
+};
+
+const installLobbyFixture = async (page: Page, options: { failLogout?: boolean } = {}) => {
+    let loggedOut = false;
+    let logoutBody = '';
+    await page.addInitScript(() => {
+        window.localStorage.setItem('sammo-session-token', 'playwright-session');
+        window.localStorage.setItem('sammo-game-token', 'playwright-game-session');
+        window.localStorage.setItem('sammo-game-profile', 'che:default');
+    });
+    await page.route('**/gateway/api/trpc/**', async (route) => {
+        const results = operationNames(route).map((operation) => {
+            if (operation === 'me') {
+                return response(
+                    loggedOut
+                        ? null
+                        : {
+                              id: 'user-1',
+                              username: 'tester',
+                              displayName: '테스터',
+                              roles: [],
+                              createdAt: '2026-07-26T00:00:00.000Z',
+                          }
+                );
+            }
+            if (operation === 'lobby.notice') {
+                return response('');
+            }
+            if (operation === 'lobby.profiles') {
+                return response([]);
+            }
+            if (operation === 'auth.logout') {
+                logoutBody = route.request().postData() ?? '';
+                if (options.failLogout) {
+                    return errorResponse(operation, '로그아웃 서버가 응답하지 않습니다.');
+                }
+                loggedOut = true;
+                return response({ ok: true });
+            }
+            throw new Error(`Unhandled tRPC operation: ${operation}`);
+        });
+        await route.fulfill({
+            status: 200,
+            contentType: 'application/json',
+            body: JSON.stringify(results),
+        });
+    });
+    return {
+        logoutBody: () => logoutBody,
+    };
+};
+
+test('logs out through the server before clearing all browser session state', async ({ page }) => {
+    const fixture = await installLobbyFixture(page);
+    await page.goto('lobby');
+
+    const logout = page.locator('#btn_logout');
+    await expect(logout).toBeVisible();
+    const before = await logout.evaluate((element) => {
+        const rect = element.getBoundingClientRect();
+        const style = getComputedStyle(element);
+        return {
+            width: rect.width,
+            height: rect.height,
+            backgroundColor: style.backgroundColor,
+            border: style.border,
+            fontSize: style.fontSize,
+            lineHeight: style.lineHeight,
+        };
+    });
+    expect(before).toMatchObject({
+        width: 200,
+        height: 48,
+        backgroundColor: 'rgb(48, 48, 48)',
+        border: '0px none rgb(255, 255, 255)',
+        fontSize: '16px',
+        lineHeight: '24px',
+    });
+
+    await logout.hover();
+    await logout.click();
+
+    await expect(page).toHaveURL(/\/gateway\/$/);
+    expect(fixture.logoutBody()).toContain('playwright-session');
+    await expect
+        .poll(() =>
+            page.evaluate(() => ({
+                session: window.localStorage.getItem('sammo-session-token'),
+                game: window.localStorage.getItem('sammo-game-token'),
+                profile: window.localStorage.getItem('sammo-game-profile'),
+            }))
+        )
+        .toEqual({ session: null, game: null, profile: null });
+});
+
+test('keeps the lobby and every token when server logout fails', async ({ page }) => {
+    await installLobbyFixture(page, { failLogout: true });
+    await page.goto('lobby');
+
+    await page.locator('#btn_logout').click();
+
+    await expect(page).toHaveURL(/\/gateway\/lobby$/);
+    await expect(page.getByRole('alert')).toContainText('로그아웃 서버가 응답하지 않습니다.');
+    await expect
+        .poll(() =>
+            page.evaluate(() => ({
+                session: window.localStorage.getItem('sammo-session-token'),
+                game: window.localStorage.getItem('sammo-game-token'),
+                profile: window.localStorage.getItem('sammo-game-profile'),
+            }))
+        )
+        .toEqual({
+            session: 'playwright-session',
+            game: 'playwright-game-session',
+            profile: 'che:default',
+        });
+});
diff --git a/app/gateway-frontend/e2e/playwright.config.mjs b/app/gateway-frontend/e2e/playwright.config.mjs
index a66fb70..8b2570e 100644
--- a/app/gateway-frontend/e2e/playwright.config.mjs
+++ b/app/gateway-frontend/e2e/playwright.config.mjs
@@ -6,7 +6,7 @@ const repositoryRoot = resolve(dirname(fileURLToPath(import.meta.url)), '../../.
 
 export default defineConfig({
     testDir: '.',
-    testMatch: ['server-operations.spec.ts', 'lobby-admin-navigation.spec.ts'],
+    testMatch: ['server-operations.spec.ts', 'lobby-admin-navigation.spec.ts', 'logout.spec.ts'],
     fullyParallel: false,
     workers: 1,
     timeout: 30_000,
diff --git a/app/gateway-frontend/src/views/LobbyView.vue b/app/gateway-frontend/src/views/LobbyView.vue
index 0af3ac2..aa2eaa0 100644
--- a/app/gateway-frontend/src/views/LobbyView.vue
+++ b/app/gateway-frontend/src/views/LobbyView.vue
@@ -28,14 +28,13 @@ const profiles = ref<LobbyProfile[]>([]);
 const profileDetails = ref<Record<string, LobbyInfo | undefined>>({});
 const profileMapPreviews = ref<Record<string, MapPreviewBundle | undefined>>({});
 const entryLoading = ref<Record<string, boolean>>({});
+const logoutLoading = ref(false);
+const logoutError = ref('');
 const canAccessAdmin = computed(
     () =>
         me.value?.roles.some(
             (role) =>
-                role === 'superuser' ||
-                role === 'admin' ||
-                role === 'admin.superuser' ||
-                role.startsWith('admin.')
+                role === 'superuser' || role === 'admin' || role === 'admin.superuser' || role.startsWith('admin.')
         ) ?? false
 );
 const needsKakaoVerification = computed(() => me.value !== null && !me.value.kakaoVerified);
@@ -86,12 +85,28 @@ onMounted(async () => {
 });
 
 const handleLogout = async () => {
+    if (logoutLoading.value) {
+        return;
+    }
+    logoutError.value = '';
     const sessionToken = window.localStorage.getItem('sammo-session-token');
-    if (sessionToken) {
+    if (!sessionToken) {
+        await router.replace('/');
+        return;
+    }
+    logoutLoading.value = true;
+    try {
         await trpc.auth.logout.mutate({ sessionToken });
         window.localStorage.removeItem('sammo-session-token');
+        window.localStorage.removeItem('sammo-game-token');
+        window.localStorage.removeItem('sammo-game-profile');
+        me.value = null;
+        await router.replace('/');
+    } catch (error) {
+        logoutError.value = error instanceof Error ? error.message : '로그아웃에 실패했습니다.';
+    } finally {
+        logoutLoading.value = false;
     }
-    await router.push('/');
 };
 
 const handleKakaoVerification = async (): Promise<void> => {
@@ -404,9 +419,7 @@ const handleEnter = async (profile: LobbyProfile, targetPath: string) => {
                                     {{ profileDetails[profile.profileName]?.turnTerm ?? '-' }}분 턴
                                 </div>
                             </div>
-                            <div v-else class="text-xs text-zinc-500 py-8 text-center">
-                                지도를 불러오는 중...
-                            </div>
+                            <div v-else class="text-xs text-zinc-500 py-8 text-center">지도를 불러오는 중...</div>
                         </div>
                         <div v-else class="text-xs text-zinc-600 py-8 text-center">- 폐 쇄 중 -</div>
                     </div>
@@ -428,10 +441,12 @@ const handleEnter = async (profile: LobbyProfile, targetPath: string) => {
                         비밀번호 & 전콘 & 탈퇴
                     </RouterLink>
                     <button
-                        class="bg-zinc-800 hover:bg-zinc-700 text-white px-6 py-2 rounded border border-zinc-700 transition-colors"
+                        id="btn_logout"
+                        class="legacy-logout-button"
+                        :disabled="logoutLoading"
                         @click="handleLogout"
                     >
-                        로 그 아 웃
+                        {{ logoutLoading ? '로그아웃 중…' : '로 그 아 웃' }}
                     </button>
                     <RouterLink
                         v-if="canAccessAdmin"
@@ -441,7 +456,45 @@ const handleEnter = async (profile: LobbyProfile, targetPath: string) => {
                         관리자 페이지
                     </RouterLink>
                 </div>
+                <p v-if="logoutError" class="px-6 pb-4 text-center text-sm text-red-400" role="alert">
+                    {{ logoutError }}
+                </p>
             </div>
         </div>
     </DefaultLayout>
 </template>
+
+<style scoped>
+.legacy-logout-button {
+    box-sizing: border-box;
+    width: 200px;
+    height: 48px;
+    border: 0;
+    border-radius: 6px;
+    background: #303030;
+    color: #fff;
+    cursor: pointer;
+    font-family: Pretendard, sans-serif;
+    font-size: 16px;
+    font-weight: 700;
+    line-height: 24px;
+    padding: 10px;
+}
+
+.legacy-logout-button:hover,
+.legacy-logout-button:focus,
+.legacy-logout-button:active {
+    background: #303030;
+    color: #fff;
+}
+
+.legacy-logout-button:focus-visible {
+    outline: 2px solid #fff;
+    outline-offset: 2px;
+}
+
+.legacy-logout-button:disabled {
+    cursor: default;
+    opacity: 0.65;
+}
+</style>
diff --git a/packages/infra/src/db.ts b/packages/infra/src/db.ts
index 5d237fe..28c1bed 100644
--- a/packages/infra/src/db.ts
+++ b/packages/infra/src/db.ts
@@ -34,6 +34,8 @@ export interface DatabaseClient {
     inheritanceUserState: GamePrisma.InheritanceUserStateDelegate;
     boardPost: GamePrisma.BoardPostDelegate;
     boardComment: GamePrisma.BoardCommentDelegate;
+    votePoll: GamePrisma.VotePollDelegate;
+    vote: GamePrisma.VoteDelegate;
     inputEvent: GamePrisma.InputEventDelegate;
     turnDaemonLease: GamePrisma.TurnDaemonLeaseDelegate;
 }
diff --git a/packages/logic/src/actions/turn/nation/che_급습.ts b/packages/logic/src/actions/turn/nation/che_급습.ts
index efa5adf..b7e4542 100644
--- a/packages/logic/src/actions/turn/nation/che_급습.ts
+++ b/packages/logic/src/actions/turn/nation/che_급습.ts
@@ -26,10 +26,7 @@ import { z } from 'zod';
 import { parseArgsWithSchema } from '../parseArgs.js';
 
 const ARGS_SCHEMA = z.object({
-    destNationId: z.preprocess(
-        (value) => (typeof value === 'number' ? Math.floor(value) : value),
-        z.number().int().positive()
-    ),
+    destNationId: z.number().int().positive(),
 });
 export type RaidArgs = z.infer<typeof ARGS_SCHEMA>;
 
diff --git a/packages/logic/src/actions/turn/nation/che_허보.ts b/packages/logic/src/actions/turn/nation/che_허보.ts
index 700da09..e4403b7 100644
--- a/packages/logic/src/actions/turn/nation/che_허보.ts
+++ b/packages/logic/src/actions/turn/nation/che_허보.ts
@@ -23,13 +23,10 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import { JosaUtil } from '@sammo-ts/common';
 import type { NationTurnCommandSpec } from './index.js';
 import { z } from 'zod';
-import { parseArgsWithSchema } from '../parseArgs.js';
+import { normalizeLegacyIntegerArg, parseArgsWithSchema } from '../parseArgs.js';
 
 const ARGS_SCHEMA = z.object({
-    destCityId: z.preprocess(
-        (value) => (typeof value === 'number' ? Math.floor(value) : value),
-        z.number().int().positive()
-    ),
+    destCityId: z.preprocess(normalizeLegacyIntegerArg, z.number().int().positive()),
 });
 export type DeceptionArgs = z.infer<typeof ARGS_SCHEMA>;
 
@@ -59,7 +56,7 @@ const legacyChoiceIndex = (rng: GeneralActionResolveContext['rng'], length: numb
 
 const pickMoveCityId = (rng: GeneralActionResolveContext['rng'], destCityId: number, candidates: City[]): number => {
     if (candidates.length === 0) {
-        return destCityId;
+        throw new RangeError('Cannot choose a deception destination from an empty city collection.');
     }
     let idx = legacyChoiceIndex(rng, candidates.length);
     let cityId = candidates[idx]?.id ?? destCityId;
@@ -258,7 +255,7 @@ export const actionContextBuilder: ActionContextBuilder<DeceptionArgs> = (base,
     const friendlyGenerals = generals.filter((general) => general.nationId === base.general.nationId);
     const destNationSupplyCities = worldRef
         .listCities()
-        .filter((city) => city.nationId === destCity.nationId && city.supplyState > 0);
+        .filter((city) => city.nationId === destCity.nationId && city.supplyState === 1);
     return {
         ...base,
         destCity,
diff --git a/packages/logic/test/actions/turn/nation.test.ts b/packages/logic/test/actions/turn/nation.test.ts
index d3b8cd7..4b0e833 100644
--- a/packages/logic/test/actions/turn/nation.test.ts
+++ b/packages/logic/test/actions/turn/nation.test.ts
@@ -6,6 +6,7 @@ import { ActionDefinition as MoveCapitalAction } from '../../../src/actions/turn
 import { ActionDefinition as ChangeNationNameAction } from '../../../src/actions/turn/nation/che_국호변경.js';
 import { ActionDefinition as ExpandCityAction } from '../../../src/actions/turn/nation/che_증축.js';
 import { ActionDefinition as LastStandAction } from '../../../src/actions/turn/nation/che_필사즉생.js';
+import { ActionDefinition as DeceptionAction } from '../../../src/actions/turn/nation/che_허보.js';
 import { LogCategory, LogScope } from '../../../src/logging/types.js';
 import type { MapDefinition } from '../../../src/world/types.js';
 import type { TurnSchedule } from '../../../src/turn/calendar.js';
@@ -248,6 +249,33 @@ describe('Nation Actions', () => {
         });
     });
 
+    describe('che_허보 (Deception)', () => {
+        it('fails like legacy choice when the target nation has no supplied city', () => {
+            const nation = buildNation(1);
+            const destNation = buildNation(2);
+            const general = buildGeneral(1, 1, 1);
+            const target = buildGeneral(2, 2, 2, 'Target');
+            const definition = new DeceptionAction([]);
+
+            expect(() =>
+                definition.resolve(
+                    {
+                        general,
+                        nation,
+                        destNation,
+                        destCity: buildCity(2, 2),
+                        destCityGenerals: [target],
+                        friendlyGenerals: [general],
+                        destNationSupplyCities: [],
+                        addLog: () => {},
+                        rng: {} as any,
+                    } as any,
+                    { destCityId: 2 }
+                )
+            ).toThrow(RangeError);
+        });
+    });
+
     describe('che_천도 (Move Capital)', () => {
         it('changes nation capital city', () => {
             const nation = buildNation(1);
diff --git a/tools/frontend-legacy-parity/main-front-status.playwright.config.mjs b/tools/frontend-legacy-parity/main-front-status.playwright.config.mjs
new file mode 100644
index 0000000..a9964cb
--- /dev/null
+++ b/tools/frontend-legacy-parity/main-front-status.playwright.config.mjs
@@ -0,0 +1,54 @@
+import { dirname, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import { defineConfig, devices } from '@playwright/test';
+
+const repositoryRoot = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
+const frontendPort = 15112;
+const apiPort = 15113;
+
+export default defineConfig({
+    testDir: '.',
+    testMatch: ['main-front-status.spec.ts'],
+    fullyParallel: false,
+    workers: 1,
+    timeout: 60_000,
+    expect: { timeout: 10_000 },
+    reporter: [['list']],
+    outputDir: process.env.SAMMO_TEST_OUTPUT_DIR ?? resolve(repositoryRoot, 'test-results/main-front-status-live'),
+    use: {
+        ...devices['Desktop Chrome'],
+        baseURL: `http://127.0.0.1:${frontendPort}/che/`,
+        colorScheme: 'dark',
+        deviceScaleFactor: 1,
+        locale: 'ko-KR',
+        timezoneId: 'UTC',
+        trace: 'retain-on-failure',
+        screenshot: 'only-on-failure',
+    },
+    webServer: [
+        {
+            command:
+                `GAME_API_HOST=127.0.0.1 GAME_API_PORT=${apiPort} ` +
+                'GAME_TRPC_PATH=/che/api/trpc GAME_API_EVENTS_PATH=/che/api/events ' +
+                'PROFILE=che SCENARIO=default GAME_PROFILE_NAME=che:default node app/game-api/dist/index.js',
+            cwd: repositoryRoot,
+            url: `http://127.0.0.1:${apiPort}/che/api/trpc/health.ping?input=%7B%22json%22%3Anull%7D`,
+            reuseExistingServer: false,
+            timeout: 120_000,
+        },
+        {
+            command:
+                `VITE_APP_BASE_PATH=/che VITE_GAME_API_URL=http://127.0.0.1:${apiPort}/che/api/trpc ` +
+                `VITE_GAME_SSE_URL=http://127.0.0.1:${apiPort}/che/api/events ` +
+                'pnpm --filter @sammo-ts/game-frontend build && ' +
+                `VITE_APP_BASE_PATH=/che VITE_GAME_API_URL=http://127.0.0.1:${apiPort}/che/api/trpc ` +
+                `VITE_GAME_SSE_URL=http://127.0.0.1:${apiPort}/che/api/events ` +
+                `pnpm --filter @sammo-ts/game-frontend preview --host 127.0.0.1 --port ${frontendPort}`,
+            cwd: repositoryRoot,
+            url: `http://127.0.0.1:${frontendPort}/che/`,
+            reuseExistingServer: false,
+            timeout: 120_000,
+        },
+    ],
+});
diff --git a/tools/frontend-legacy-parity/main-front-status.spec.ts b/tools/frontend-legacy-parity/main-front-status.spec.ts
new file mode 100644
index 0000000..74acc44
--- /dev/null
+++ b/tools/frontend-legacy-parity/main-front-status.spec.ts
@@ -0,0 +1,341 @@
+import { randomUUID } from 'node:crypto';
+
+import { expect, test, type Page, type Route } from '@playwright/test';
+import {
+    createGamePostgresConnector,
+    createRedisConnector,
+    GamePrisma,
+    resolvePostgresConfigFromEnv,
+    resolveRedisConfigFromEnv,
+    type GamePrismaClient,
+    type RedisConnector,
+} from '../../packages/infra/src/index.js';
+
+const marker = `main-front-status-live-${randomUUID()}`;
+const accessToken = `ga_${randomUUID()}`;
+let postgres: ReturnType<typeof createGamePostgresConnector>;
+let redis: RedisConnector;
+let prisma: GamePrismaClient;
+let fixture: { generalId: number; nationId: number; userId: string; voteId: number } | null = null;
+
+const accessKey = (token: string) => `sammo:game:access:che:default:${token}`;
+const response = (data: unknown) => ({ result: { data } });
+const errorResponse = (path: string, message: string) => ({
+    error: {
+        message,
+        code: -32000,
+        data: { code: 'INTERNAL_SERVER_ERROR', httpStatus: 500, path },
+    },
+});
+const operationNames = (route: Route): string[] => {
+    const pathname = decodeURIComponent(new URL(route.request().url()).pathname);
+    return pathname.slice(pathname.lastIndexOf('/trpc/') + 6).split(',');
+};
+
+test.beforeAll(async () => {
+    postgres = createGamePostgresConnector(resolvePostgresConfigFromEnv({ schema: 'che' }));
+    redis = createRedisConnector(resolveRedisConfigFromEnv());
+    await postgres.connect();
+    await redis.connect();
+    prisma = postgres.prisma;
+
+    const world = await prisma.worldState.findFirst({ orderBy: { id: 'asc' }, select: { id: true } });
+    if (!world) {
+        throw new Error('The live che profile needs a world state.');
+    }
+    const [generalMax, nationMax] = await Promise.all([
+        prisma.general.aggregate({ _max: { id: true } }),
+        prisma.nation.aggregate({ _max: { id: true } }),
+    ]);
+    const nationId = (nationMax._max.id ?? 0) + 10_000;
+    const generalId = (generalMax._max.id ?? 0) + 10_000;
+    const userId = `main-front-status-${randomUUID()}`;
+    await prisma.$executeRaw(
+        GamePrisma.sql`
+            INSERT INTO nation (id, name, color, meta)
+            VALUES (
+                ${nationId},
+                ${'검증국'},
+                ${'#336699'},
+                ${JSON.stringify({ notice: `<p>${marker} 국가 방침</p>` })}::jsonb
+            )
+        `
+    );
+    await prisma.$executeRaw(
+        GamePrisma.sql`
+            INSERT INTO general (id, user_id, name, nation_id, city_id, turn_time)
+            VALUES (${generalId}, ${userId}, ${'현황검증장수'}, ${nationId}, ${0}, ${new Date()})
+        `
+    );
+    await prisma.generalAccessLog.create({
+        data: {
+            generalId,
+            userId,
+            lastRefresh: new Date(),
+            refresh: 1,
+            refreshTotal: 1,
+            refreshScore: 1,
+            refreshScoreTotal: 1,
+        },
+    });
+    const poll = await prisma.votePoll.create({
+        data: {
+            title: '검증 설문',
+            body: '',
+            options: ['찬성', '반대'],
+            multipleOptions: 1,
+            revealMode: 'after_vote',
+            openerGeneralId: generalId,
+            openerName: '현황검증장수',
+            startAt: new Date(Date.now() - 60_000),
+            endAt: new Date(Date.now() + 3_600_000),
+        },
+        select: { id: true },
+    });
+    fixture = { generalId, nationId, userId, voteId: poll.id };
+
+    const issuedAt = new Date();
+    await redis.client.set(
+        accessKey(accessToken),
+        JSON.stringify({
+            version: 1,
+            profile: 'che:default',
+            issuedAt: issuedAt.toISOString(),
+            expiresAt: new Date(issuedAt.getTime() + 30 * 60 * 1000).toISOString(),
+            sessionId: `main-front-status-${randomUUID()}`,
+            user: {
+                id: userId,
+                username: 'main-front-status-live',
+                displayName: '현황검증장수',
+                roles: [],
+            },
+            sanctions: {},
+        }),
+        { EX: 1800 }
+    );
+});
+
+test.afterAll(async () => {
+    if (fixture) {
+        await prisma.votePoll.deleteMany({ where: { id: fixture.voteId } });
+        await prisma.generalAccessLog.deleteMany({ where: { generalId: fixture.generalId } });
+        await prisma.$executeRaw(GamePrisma.sql`DELETE FROM general WHERE id = ${fixture.generalId}`);
+        await prisma.$executeRaw(GamePrisma.sql`DELETE FROM nation WHERE id = ${fixture.nationId}`);
+        const [generalCount, nationCount, voteCount, accessCount] = await Promise.all([
+            prisma.general.count({ where: { id: fixture.generalId } }),
+            prisma.nation.count({ where: { id: fixture.nationId } }),
+            prisma.votePoll.count({ where: { id: fixture.voteId } }),
+            prisma.generalAccessLog.count({ where: { generalId: fixture.generalId } }),
+        ]);
+        expect([generalCount, nationCount, voteCount, accessCount]).toEqual([0, 0, 0, 0]);
+    }
+    await redis.client.del(accessKey(accessToken));
+    await redis.disconnect();
+    await postgres.disconnect();
+});
+
+const installMainFixture = async (
+    page: Page,
+    liveStatus: {
+        onlineUserCount: number;
+        onlineNations: string;
+        onlineGenerals: string;
+        nationNotice: string;
+        lastExecuted: string | null;
+        latestVote: { id: number; title: string; hasVoted: boolean } | null;
+    },
+    failStatus: () => boolean
+) => {
+    await page.addInitScript(
+        ({ token }) => {
+            window.localStorage.setItem('sammo-game-token', token);
+            window.localStorage.setItem('sammo-game-profile', 'che:default');
+        },
+        { token: accessToken }
+    );
+    await page.route('**/che/api/trpc/**', async (route) => {
+        const results = operationNames(route).map((operation) => {
+            if (operation === 'general.me') {
+                return response({
+                    general: {
+                        id: fixture?.generalId ?? 1,
+                        name: '현황검증장수',
+                        npcState: 0,
+                        nationId: fixture?.nationId ?? 1,
+                        cityId: 1,
+                        troopId: 0,
+                        picture: null,
+                        imageServer: 0,
+                        officerLevel: 0,
+                        stats: { leadership: 55, strength: 55, intelligence: 55 },
+                        gold: 1000,
+                        rice: 1000,
+                        crew: 0,
+                        train: 0,
+                        atmos: 0,
+                        injury: 0,
+                        experience: 0,
+                        dedication: 0,
+                        items: { horse: null, weapon: null, book: null, item: null },
+                    },
+                    city: null,
+                    nation: null,
+                    settings: {},
+                    penalties: {},
+                });
+            }
+            if (operation === 'general.getFrontStatus') {
+                return failStatus()
+                    ? errorResponse(operation, '상단 현황을 불러오지 못했습니다.')
+                    : response(liveStatus);
+            }
+            if (operation === 'general.getRecentRecords') return response({ global: [], general: [], history: [] });
+            if (operation === 'lobby.info') {
+                return response({
+                    year: 190,
+                    month: 1,
+                    userCnt: 1,
+                    npcCnt: 0,
+                    nationCnt: 1,
+                    maxUserCnt: 50,
+                    turnTerm: 60,
+                    fictionMode: '가상',
+                    otherTextInfo: '',
+                    starttime: '0190-01-01T00:00:00.000Z',
+                    myGeneral: { name: '현황검증장수', picture: null },
+                });
+            }
+            if (operation === 'world.getMapLayout') {
+                return response({
+                    mapName: 'che',
+                    cityList: [{ id: 1, name: '낙양', level: 7, region: 1, x: 350, y: 245, path: [] }],
+                    regionMap: { 1: '사예' },
+                    levelMap: { 7: '수도' },
+                });
+            }
+            if (operation === 'world.getMap') {
+                return response({
+                    year: 190,
+                    month: 1,
+                    startYear: 190,
+                    cityList: [[1, 7, 0, 0, 1, 1]],
+                    nationList: [],
+                    spyList: {},
+                    shownByGeneralList: [],
+                    myCity: 1,
+                    myNation: fixture?.nationId ?? 1,
+                });
+            }
+            if (operation === 'turns.getCommandTable') return response({ general: [], nation: [] });
+            if (operation === 'turns.reserved.getGeneral' || operation === 'turns.reserved.getNation') {
+                return response([]);
+            }
+            if (operation === 'messages.getRecent') {
+                return response({
+                    private: [],
+                    public: [],
+                    national: [],
+                    diplomacy: [],
+                    permission: 0,
+                    latestRead: { private: 0, diplomacy: 0 },
+                    canRespondDiplomacy: false,
+                });
+            }
+            if (operation === 'messages.getContacts') return response([]);
+            if (operation === 'board.getAccess') {
+                return response({ canMeeting: false, canSecret: false, permission: 0 });
+            }
+            if (operation === 'tournament.getState') return response({ stage: 0 });
+            if (operation === 'public.recordAccess') return response({ recorded: true });
+            throw new Error(`Unhandled main front status operation: ${operation}`);
+        });
+        await route.fulfill({
+            status: 200,
+            contentType: 'application/json',
+            body: JSON.stringify(results),
+        });
+    });
+};
+
+test('renders actual online, nation policy, and survey data with ref geometry and preserves it on error', async ({
+    page,
+}) => {
+    const liveResponse = await page.request.get(
+        'http://127.0.0.1:15113/che/api/trpc/general.getFrontStatus?input=%7B%22json%22%3Anull%7D',
+        { headers: { authorization: `Bearer ${accessToken}` } }
+    );
+    expect(liveResponse.ok()).toBe(true);
+    const liveStatus = (
+        (await liveResponse.json()) as {
+            result: {
+                data: {
+                    onlineUserCount: number;
+                    onlineNations: string;
+                    onlineGenerals: string;
+                    nationNotice: string;
+                    lastExecuted: string | null;
+                    latestVote: { id: number; title: string; hasVoted: boolean } | null;
+                };
+            };
+        }
+    ).result.data;
+    expect(liveStatus.onlineGenerals).toContain('현황검증장수');
+    expect(liveStatus.nationNotice).toContain(marker);
+    expect(liveStatus.latestVote).toMatchObject({ title: '검증 설문', hasVoted: false });
+
+    let failStatus = false;
+    await installMainFixture(page, liveStatus, () => failStatus);
+    await page.setViewportSize({ width: 1000, height: 900 });
+    await page.goto('./', { waitUntil: 'networkidle' });
+
+    const status = page.locator('.front-status');
+    await expect(status).toContainText(marker);
+    await expect(page.locator('.online-users')).toContainText('현황검증장수');
+    await expect(page.locator('.survey-notice')).toContainText('새로운 설문조사가 있습니다.');
+    const desktop = await status.evaluate((element) => {
+        const style = getComputedStyle(element);
+        const onlineRow = element.querySelector<HTMLElement>('.online-nations');
+        const voteRow = element.querySelector<HTMLElement>('.vote-status');
+        if (!onlineRow || !voteRow) throw new Error('status row missing');
+        return {
+            rect: element.getBoundingClientRect().toJSON(),
+            fontSize: style.fontSize,
+            lineHeight: style.lineHeight,
+            backgroundImage: style.backgroundImage,
+            onlineRow: {
+                rect: onlineRow.getBoundingClientRect().toJSON(),
+                borderTop: getComputedStyle(onlineRow).borderTop,
+                padding: getComputedStyle(onlineRow).padding,
+            },
+            voteRow: voteRow.getBoundingClientRect().toJSON(),
+        };
+    });
+    expect(desktop.rect).toMatchObject({ x: 0, width: 1000 });
+    expect(desktop).toMatchObject({
+        fontSize: '14px',
+        lineHeight: '21px',
+        onlineRow: {
+            borderTop: '1px solid rgb(128, 128, 128)',
+            padding: '7px',
+        },
+    });
+    expect(desktop.onlineRow.rect.height).toBeCloseTo(36, 0);
+    expect(desktop.voteRow.x).toBeCloseTo(666.67, 0);
+    expect(desktop.voteRow.width).toBeCloseTo(333.33, 0);
+    expect(desktop.voteRow.height).toBeCloseTo(36, 0);
+    expect(desktop.backgroundImage).toContain('/image/game/back_walnut.jpg');
+
+    await page.setViewportSize({ width: 500, height: 900 });
+    await expect(status).toHaveCSS('width', '500px');
+    await expect(page.locator('.vote-status')).toHaveCSS('width', '250px');
+
+    failStatus = true;
+    await page.getByRole('button', { name: '새로고침', exact: true }).click();
+    await expect(page.getByRole('alert').filter({ hasText: '상단 현황을 불러오지 못했습니다.' })).toBeVisible();
+    await expect(status).toContainText(marker);
+
+    failStatus = false;
+    await page.reload({ waitUntil: 'networkidle' });
+    await expect(page.locator('.front-status')).toContainText(marker);
+    await expect(page.locator('.survey-notice')).toHaveCount(0);
+});
diff --git a/tools/frontend-legacy-parity/map-trend.spec.ts b/tools/frontend-legacy-parity/map-trend.spec.ts
index adfec83..b96dc2c 100644
--- a/tools/frontend-legacy-parity/map-trend.spec.ts
+++ b/tools/frontend-legacy-parity/map-trend.spec.ts
@@ -188,6 +188,16 @@ const installMainFixture = async (page: Page, failRecords = false) => {
                     ? errorResponse(operation, '동향 정보를 불러오지 못했습니다.')
                     : response(frontRecords);
             }
+            if (operation === 'general.getFrontStatus') {
+                return response({
+                    onlineUserCount: 1,
+                    onlineNations: '【재야】',
+                    onlineGenerals: '지도 장수',
+                    nationNotice: '',
+                    lastExecuted: '2026-07-26T00:00:00.000Z',
+                    latestVote: null,
+                });
+            }
             if (operation === 'tournament.getState') return response({ stage: 0 });
             if (operation === 'public.recordAccess') return response({ recorded: true });
             return errorResponse(operation, `Unhandled main operation: ${operation}`);
diff --git a/tools/frontend-legacy-parity/reference-gateway-logout.mjs b/tools/frontend-legacy-parity/reference-gateway-logout.mjs
new file mode 100644
index 0000000..98e57de
--- /dev/null
+++ b/tools/frontend-legacy-parity/reference-gateway-logout.mjs
@@ -0,0 +1,63 @@
+import { createHash } from 'node:crypto';
+import { readFile } from 'node:fs/promises';
+
+import { chromium } from '@playwright/test';
+
+const baseUrl = process.env.REF_GATEWAY_URL ?? 'http://127.0.0.1:3400/sam/';
+const username = process.env.REF_USER_ID ?? 'refuser1';
+const passwordFile =
+    process.env.REF_USER_PASSWORD_FILE ??
+    '/home/letrhee/sam_rebuild/docker_compose_files/reference/secrets/user1_password';
+const password = (await readFile(passwordFile, 'utf8')).trim();
+const browser = await chromium.launch({ headless: true });
+
+try {
+    const context = await browser.newContext({
+        colorScheme: 'dark',
+        deviceScaleFactor: 1,
+        locale: 'ko-KR',
+        timezoneId: 'UTC',
+        viewport: { width: 1000, height: 900 },
+    });
+    const page = await context.newPage();
+    await page.goto(baseUrl, { waitUntil: 'networkidle' });
+    const globalSalt = await page.locator('#global_salt').inputValue();
+    const passwordHash = createHash('sha512')
+        .update(globalSalt + password + globalSalt)
+        .digest('hex');
+    const login = await context.request.post(new URL('api.php?path=Login/LoginByID', baseUrl).toString(), {
+        data: { username, password: passwordHash },
+    });
+    if (!login.ok()) {
+        throw new Error(`reference login failed: HTTP ${login.status()}`);
+    }
+    await page.goto(baseUrl, { waitUntil: 'networkidle' });
+    const logout = page.locator('#btn_logout');
+    await logout.waitFor({ state: 'visible' });
+    const inspect = async () =>
+        logout.evaluate((element) => {
+            const rect = element.getBoundingClientRect();
+            const style = getComputedStyle(element);
+            return {
+                rect: rect.toJSON(),
+                backgroundColor: style.backgroundColor,
+                border: style.border,
+                borderRadius: style.borderRadius,
+                color: style.color,
+                cursor: style.cursor,
+                fontFamily: style.fontFamily,
+                fontSize: style.fontSize,
+                fontWeight: style.fontWeight,
+                lineHeight: style.lineHeight,
+                padding: style.padding,
+            };
+        });
+    const normal = await inspect();
+    await logout.hover();
+    const hover = await inspect();
+    await logout.focus();
+    const focus = await inspect();
+    console.log(JSON.stringify({ viewport: page.viewportSize(), normal, hover, focus }));
+} finally {
+    await browser.close();
+}
diff --git a/tools/frontend-legacy-parity/reference-main-front-status.mjs b/tools/frontend-legacy-parity/reference-main-front-status.mjs
new file mode 100644
index 0000000..6cf55c2
--- /dev/null
+++ b/tools/frontend-legacy-parity/reference-main-front-status.mjs
@@ -0,0 +1,74 @@
+import { createHash } from 'node:crypto';
+import { readFile } from 'node:fs/promises';
+
+import { chromium } from '@playwright/test';
+
+const baseUrl = process.env.REF_MAIN_URL ?? 'http://127.0.0.1:3400/sam/';
+const username = process.env.REF_USER_ID ?? 'refuser1';
+const passwordFile =
+    process.env.REF_USER_PASSWORD_FILE ??
+    '/home/letrhee/sam_rebuild/docker_compose_files/reference/secrets/user1_password';
+const password = (await readFile(passwordFile, 'utf8')).trim();
+const browser = await chromium.launch({ headless: true });
+
+try {
+    const context = await browser.newContext({
+        colorScheme: 'dark',
+        deviceScaleFactor: 1,
+        locale: 'ko-KR',
+        timezoneId: 'UTC',
+    });
+    const page = await context.newPage();
+    await page.goto(baseUrl, { waitUntil: 'networkidle' });
+    const globalSalt = await page.locator('#global_salt').inputValue();
+    const passwordHash = createHash('sha512')
+        .update(globalSalt + password + globalSalt)
+        .digest('hex');
+    const login = await context.request.post(new URL('api.php?path=Login/LoginByID', baseUrl).toString(), {
+        data: { username, password: passwordHash },
+    });
+    if (!login.ok()) {
+        throw new Error(`reference login failed: HTTP ${login.status()}`);
+    }
+
+    for (const viewport of [
+        { name: 'desktop', width: 1000, height: 900 },
+        { name: 'mobile', width: 500, height: 900 },
+    ]) {
+        await page.setViewportSize(viewport);
+        await page.goto(new URL('hwe/', baseUrl).toString(), { waitUntil: 'networkidle' });
+        await page.locator('.onlineNations').waitFor({ state: 'visible' });
+        const measurement = await page.evaluate(() => {
+            const inspect = (selector) => {
+                const element = document.querySelector(selector);
+                if (!(element instanceof HTMLElement)) {
+                    throw new Error(`missing ${selector}`);
+                }
+                const rect = element.getBoundingClientRect();
+                const style = getComputedStyle(element);
+                return {
+                    rect: rect.toJSON(),
+                    backgroundColor: style.backgroundColor,
+                    backgroundImage: style.backgroundImage,
+                    borderTop: style.borderTop,
+                    color: style.color,
+                    fontFamily: style.fontFamily,
+                    fontSize: style.fontSize,
+                    fontWeight: style.fontWeight,
+                    lineHeight: style.lineHeight,
+                    padding: style.padding,
+                };
+            };
+            return {
+                container: inspect('#container'),
+                onlineNations: inspect('.onlineNations'),
+                onlineUsers: inspect('.onlineUsers'),
+                nationNotice: inspect('.nationNotice'),
+                voteStatus: inspect('.subVoteState'),
+            };
+        });
+        console.log(JSON.stringify({ viewport, measurement }));
+    }
+} finally {
+    await browser.close();
+}
diff --git a/tools/frontend-legacy-parity/run-main-front-status-live.mjs b/tools/frontend-legacy-parity/run-main-front-status-live.mjs
new file mode 100644
index 0000000..8368815
--- /dev/null
+++ b/tools/frontend-legacy-parity/run-main-front-status-live.mjs
@@ -0,0 +1,57 @@
+import { execFileSync, spawnSync } from 'node:child_process';
+import { dirname, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const repositoryRoot = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
+const pm2Candidates = [
+    '/home/letrhee/.nvm/versions/node/v22.15.1/bin/pm2',
+    '/home/letrhee/.nvm/versions/node/v24.13.0/bin/pm2',
+];
+
+let processes;
+for (const candidate of pm2Candidates) {
+    try {
+        const output = execFileSync(candidate, ['jlist'], {
+            encoding: 'utf8',
+            stdio: ['ignore', 'pipe', 'pipe'],
+        });
+        processes = JSON.parse(output.slice(output.indexOf('[')));
+        break;
+    } catch {
+        // Try the next locally installed PM2 client.
+    }
+}
+if (!processes) {
+    throw new Error('Unable to read the local PM2 process list.');
+}
+
+const source = processes.find((process) => process.name === 'sammo-verify-che-api')?.pm2_env;
+if (!source) {
+    throw new Error('sammo-verify-che-api is required as the live environment source.');
+}
+
+const allowed = /^(DATABASE_URL|POSTGRES_|REDIS_|GAME_|GATEWAY_|PROFILE$|SCENARIO$)/;
+const liveEnvironment = Object.fromEntries(
+    Object.entries(source).filter(([key, value]) => allowed.test(key) && typeof value === 'string')
+);
+const result = spawnSync(
+    'pnpm',
+    [
+        'exec',
+        'playwright',
+        'test',
+        'main-front-status.spec.ts',
+        '--config',
+        'tools/frontend-legacy-parity/main-front-status.playwright.config.mjs',
+    ],
+    {
+        cwd: repositoryRoot,
+        env: {
+            ...process.env,
+            ...liveEnvironment,
+            SAMMO_TEST_OUTPUT_DIR: '/dev/shm/sammo-main-front-status-live',
+        },
+        stdio: 'inherit',
+    }
+);
+process.exitCode = result.status ?? 1;
diff --git a/tools/integration-tests/src/turn-differential/coreCommandTrace.ts b/tools/integration-tests/src/turn-differential/coreCommandTrace.ts
index dc7a799..cc869d8 100644
--- a/tools/integration-tests/src/turn-differential/coreCommandTrace.ts
+++ b/tools/integration-tests/src/turn-differential/coreCommandTrace.ts
@@ -69,6 +69,7 @@ export interface TurnCommandFixtureRequest {
         messageAfterId?: number;
         generalCooldowns?: GeneralCooldownSelector[];
         nationCooldowns?: NationCooldownSelector[];
+        diplomacyPairs?: Array<{ fromNationId: number; toNationId: number }>;
     };
 }
 
diff --git a/tools/integration-tests/test/turnCommandNationMatrix.integration.test.ts b/tools/integration-tests/test/turnCommandNationMatrix.integration.test.ts
index c4def10..9ddfb21 100644
--- a/tools/integration-tests/test/turnCommandNationMatrix.integration.test.ts
+++ b/tools/integration-tests/test/turnCommandNationMatrix.integration.test.ts
@@ -308,6 +308,19 @@ const buildRequest = (
                 dead: 0,
                 ...fixturePatches.diplomacy?.['2:1'],
             },
+            ...Object.entries(fixturePatches.diplomacy ?? {})
+                .filter(([key]) => !['1:2', '2:1'].includes(key))
+                .map(([key, patch]) => {
+                    const [fromNationId, toNationId] = key.split(':').map(Number);
+                    return {
+                        fromNationId,
+                        toNationId,
+                        state: 3,
+                        term: 0,
+                        dead: 0,
+                        ...patch,
+                    };
+                }),
         ],
     },
     observe: {
@@ -331,12 +344,35 @@ const buildRequest = (
             ...(fixturePatches.randomFoundingCandidateCityIds ?? []).filter((id) => id !== 3 && id !== 70),
         ],
         nationIds: [1, 2],
-        ...(action === 'che_백성동원' || action === 'che_이호경식'
+        ...(fixturePatches.diplomacy
+            ? {
+                  diplomacyPairs: Object.keys(fixturePatches.diplomacy)
+                      .filter((key) => !['1:2', '2:1'].includes(key))
+                      .map((key) => {
+                          const [fromNationId, toNationId] = key.split(':').map(Number);
+                          return { fromNationId, toNationId };
+                      }),
+              }
+            : {}),
+        ...(action === 'che_백성동원' ||
+        action === 'che_이호경식' ||
+        action === 'che_급습' ||
+        action === 'che_필사즉생' ||
+        action === 'che_허보'
             ? {
                   nationCooldowns: [
                       {
                           nationId: 1,
-                          actionName: action === 'che_백성동원' ? '백성동원' : '이호경식',
+                          actionName:
+                              action === 'che_백성동원'
+                                  ? '백성동원'
+                                  : action === 'che_이호경식'
+                                    ? '이호경식'
+                                    : action === 'che_급습'
+                                      ? '급습'
+                                      : action === 'che_필사즉생'
+                                        ? '필사즉생'
+                                        : '허보',
                       },
                   ],
               }
@@ -3265,3 +3301,933 @@ integration('nation degrade-relations target, diplomacy, front, and cooldown bou
         120_000
     );
 });
+
+const surpriseAttackBoundaryCases: Array<{
+    name: string;
+    destNationId: unknown;
+    fixturePatches?: FixturePatches;
+    completed?: boolean;
+    coreResolution?: boolean;
+    expectedForwardState?: number;
+    expectedReverseState?: number;
+    expectedForwardTerm?: number;
+    expectedReverseTerm?: number;
+    expectedSourceFront?: number;
+    expectedDestFront?: number;
+    expectedStrategicCommandLimit?: number;
+    expectedPostReqTurn?: number;
+    expectedDestLogGeneralId?: number;
+}> = [
+    {
+        name: 'rejects a missing destination nation',
+        destNationId: 99,
+    },
+    {
+        name: 'rejects a numeric string destination nation ID',
+        destNationId: '2',
+    },
+    {
+        name: 'rejects a fractional destination nation ID',
+        destNationId: 2.9,
+    },
+    {
+        name: 'rejects a source city occupied by another nation',
+        destNationId: 2,
+        fixturePatches: {
+            cities: { 3: { nationId: 2 } },
+            diplomacy: { '1:2': { state: 1, term: 12 } },
+        },
+    },
+    {
+        name: 'rejects an actor below chief rank',
+        destNationId: 2,
+        fixturePatches: {
+            generals: { 1: { officerLevel: 4, officerCityId: 0 } },
+            diplomacy: { '1:2': { state: 1, term: 12 } },
+        },
+        coreResolution: false,
+    },
+    {
+        name: 'rejects a remaining strategic-command delay',
+        destNationId: 2,
+        fixturePatches: {
+            nations: { 1: { strategicCommandLimit: 1 } },
+            diplomacy: { '1:2': { state: 1, term: 12 } },
+        },
+    },
+    {
+        name: 'rejects a forward diplomacy state other than declaration',
+        destNationId: 2,
+        fixturePatches: {
+            diplomacy: { '1:2': { state: 0, term: 12 } },
+        },
+    },
+    {
+        name: 'rejects declaration term eleven at the lower boundary',
+        destNationId: 2,
+        fixturePatches: {
+            diplomacy: { '1:2': { state: 1, term: 11 } },
+        },
+    },
+    {
+        name: 'allows an unsupplied source city and preserves both fronts',
+        destNationId: 2,
+        fixturePatches: {
+            cities: {
+                3: { supplyState: 0, frontState: 2 },
+                70: { frontState: 3 },
+            },
+            diplomacy: {
+                '1:2': { state: 1, term: 12 },
+                '2:1': { state: 1, term: 12 },
+            },
+        },
+        completed: true,
+        expectedForwardState: 1,
+        expectedReverseState: 1,
+        expectedForwardTerm: 9,
+        expectedReverseTerm: 9,
+        expectedSourceFront: 2,
+        expectedDestFront: 3,
+        expectedPostReqTurn: 126,
+    },
+    {
+        name: 'subtracts three from a disallowed reverse state into a negative term',
+        destNationId: 2,
+        fixturePatches: {
+            diplomacy: {
+                '1:2': { state: 1, term: 15 },
+                '2:1': { state: 2, term: 2 },
+            },
+        },
+        completed: true,
+        expectedForwardState: 1,
+        expectedReverseState: 2,
+        expectedForwardTerm: 12,
+        expectedReverseTerm: -1,
+        expectedSourceFront: 0,
+        expectedDestFront: 1,
+        expectedPostReqTurn: 126,
+    },
+    {
+        name: 'allows the source nation when a self-diplomacy row is present',
+        destNationId: 1,
+        fixturePatches: {
+            diplomacy: {
+                '1:1': { state: 1, term: 12 },
+            },
+        },
+        completed: true,
+        expectedForwardState: 1,
+        expectedReverseState: 1,
+        expectedForwardTerm: 9,
+        expectedReverseTerm: 9,
+        expectedSourceFront: 0,
+        expectedDestFront: 0,
+        expectedPostReqTurn: 126,
+        expectedDestLogGeneralId: 1,
+    },
+    {
+        name: 'applies the strategist command and global-delay modifiers',
+        destNationId: 2,
+        fixturePatches: {
+            nations: { 1: { typeCode: 'che_종횡가' } },
+            diplomacy: {
+                '1:2': { state: 1, term: 12 },
+                '2:1': { state: 1, term: 12 },
+            },
+        },
+        completed: true,
+        expectedForwardState: 1,
+        expectedReverseState: 1,
+        expectedForwardTerm: 9,
+        expectedReverseTerm: 9,
+        expectedSourceFront: 0,
+        expectedDestFront: 1,
+        expectedStrategicCommandLimit: 5,
+        expectedPostReqTurn: 95,
+    },
+    {
+        name: 'uses the actual eleven-general count for the nation cooldown',
+        destNationId: 2,
+        fixturePatches: {
+            nations: { 1: { generalCount: 11 } },
+            generals: {
+                4: { nationId: 1 },
+                5: { nationId: 1 },
+                6: { nationId: 1 },
+                7: { nationId: 1 },
+                8: { nationId: 1 },
+                9: { nationId: 1 },
+                10: { nationId: 1 },
+                11: { nationId: 1 },
+                12: { nationId: 1 },
+            },
+            diplomacy: {
+                '1:2': { state: 1, term: 12 },
+                '2:1': { state: 1, term: 12 },
+            },
+        },
+        completed: true,
+        expectedForwardState: 1,
+        expectedReverseState: 1,
+        expectedForwardTerm: 9,
+        expectedReverseTerm: 9,
+        expectedSourceFront: 0,
+        expectedDestFront: 1,
+        expectedPostReqTurn: 133,
+    },
+];
+
+integration('nation surprise-attack target, diplomacy-term, front, and cooldown boundaries', () => {
+    it.each(surpriseAttackBoundaryCases)(
+        '$name matches legacy fallback, diplomacy, fronts, cooldown, logs, RNG, and semantic delta',
+        async ({
+            destNationId,
+            fixturePatches,
+            completed = false,
+            coreResolution = true,
+            expectedForwardState,
+            expectedReverseState,
+            expectedForwardTerm,
+            expectedReverseTerm,
+            expectedSourceFront,
+            expectedDestFront,
+            expectedStrategicCommandLimit = 9,
+            expectedPostReqTurn,
+            expectedDestLogGeneralId = 2,
+        }) => {
+            const request = buildRequest('che_급습', { destNationID: destNationId }, fixturePatches);
+            const reference = runReferenceTurnCommandTraceRequest(
+                workspaceRoot!,
+                request as unknown as Record<string, unknown>
+            );
+            const core = await runCoreTurnCommandTrace(request, reference.before);
+
+            expect(reference.execution.outcome).toMatchObject({ completed });
+            if (coreResolution) {
+                expect(core.execution.outcome).toMatchObject({
+                    requestedAction: 'che_급습',
+                    actionKey: completed ? 'che_급습' : '휴식',
+                    usedFallback: !completed,
+                });
+            } else {
+                expect(core.execution.outcome).toBeUndefined();
+            }
+
+            for (const snapshot of [reference, core]) {
+                const actualDestNationId = destNationId === 1 ? 1 : 2;
+                const actualDestCityId = actualDestNationId === 1 ? 3 : 70;
+                const nationBefore = snapshot.before.nations.find((entry) => entry.id === 1);
+                const nationAfter = snapshot.after.nations.find((entry) => entry.id === 1);
+                const generalBefore = snapshot.before.generals.find((entry) => entry.id === 1);
+                const generalAfter = snapshot.after.generals.find((entry) => entry.id === 1);
+                const sourceCityBefore = snapshot.before.cities.find((entry) => entry.id === 3);
+                const sourceCityAfter = snapshot.after.cities.find((entry) => entry.id === 3);
+                const destCityBefore = snapshot.before.cities.find((entry) => entry.id === actualDestCityId);
+                const destCityAfter = snapshot.after.cities.find((entry) => entry.id === actualDestCityId);
+                const forwardBefore = snapshot.before.diplomacy.find(
+                    (entry) => entry.fromNationId === 1 && entry.toNationId === actualDestNationId
+                );
+                const forwardAfter = snapshot.after.diplomacy.find(
+                    (entry) => entry.fromNationId === 1 && entry.toNationId === actualDestNationId
+                );
+                const reverseBefore = snapshot.before.diplomacy.find(
+                    (entry) => entry.fromNationId === actualDestNationId && entry.toNationId === 1
+                );
+                const reverseAfter = snapshot.after.diplomacy.find(
+                    (entry) => entry.fromNationId === actualDestNationId && entry.toNationId === 1
+                );
+
+                expect(readNationResource(nationBefore, 'gold') - readNationResource(nationAfter, 'gold')).toBe(0);
+                expect(readNationResource(nationBefore, 'rice') - readNationResource(nationAfter, 'rice')).toBe(0);
+                expect(
+                    readNumericField(generalAfter, 'experience') - readNumericField(generalBefore, 'experience')
+                ).toBe(completed ? 5 : 0);
+                expect(
+                    readNumericField(generalAfter, 'dedication') - readNumericField(generalBefore, 'dedication')
+                ).toBe(completed ? 5 : 0);
+
+                if (completed) {
+                    expect(readNumericField(nationAfter, 'strategicCommandLimit')).toBe(expectedStrategicCommandLimit);
+                    expect(readNumericField(forwardAfter, 'state')).toBe(expectedForwardState);
+                    expect(readNumericField(reverseAfter, 'state')).toBe(expectedReverseState);
+                    expect(readNumericField(forwardAfter, 'term')).toBe(expectedForwardTerm);
+                    expect(readNumericField(reverseAfter, 'term')).toBe(expectedReverseTerm);
+                    expect(readNumericField(sourceCityAfter, 'frontState')).toBe(expectedSourceFront);
+                    expect(readNumericField(destCityAfter, 'frontState')).toBe(expectedDestFront);
+
+                    const addedLogs = snapshot.after.logs.slice(snapshot.before.logs.length);
+                    expect(addedLogs.map((entry) => entry.text)).toEqual(
+                        expect.arrayContaining([expect.stringContaining('급습 발동')])
+                    );
+                    expect(
+                        addedLogs.some((entry) => entry.generalId === 3 && String(entry.text).includes('급습'))
+                    ).toBe(true);
+                    expect(
+                        addedLogs.some(
+                            (entry) =>
+                                entry.generalId === expectedDestLogGeneralId &&
+                                String(entry.text).includes('아국에 <M>급습</>이 발동되었습니다.')
+                        )
+                    ).toBe(true);
+                } else {
+                    expect(readNumericField(nationAfter, 'strategicCommandLimit')).toBe(
+                        readNumericField(nationBefore, 'strategicCommandLimit')
+                    );
+                    expect(forwardAfter).toEqual(forwardBefore);
+                    expect(reverseAfter).toEqual(reverseBefore);
+                    expect(readNumericField(sourceCityAfter, 'frontState')).toBe(
+                        readNumericField(sourceCityBefore, 'frontState')
+                    );
+                    expect(readNumericField(destCityAfter, 'frontState')).toBe(
+                        readNumericField(destCityBefore, 'frontState')
+                    );
+                }
+            }
+
+            if (completed) {
+                const expectedNextAvailableTurn = 190 * 12 + expectedPostReqTurn!;
+                expect(reference.after.world.nationCooldowns).toEqual([
+                    {
+                        nationId: 1,
+                        actionName: '급습',
+                        nextAvailableTurn: expectedNextAvailableTurn,
+                    },
+                ]);
+                expect(core.after.world.nationCooldowns).toEqual(reference.after.world.nationCooldowns);
+            }
+            expect(reference.rng).toEqual([]);
+            expect(core.rng).toEqual(reference.rng);
+            expect(
+                compareTurnSnapshotDeltas(reference.before, reference.after, core.before, core.after, {
+                    ignoredPathPatterns: ignoredLifecyclePaths,
+                })
+            ).toEqual([]);
+        },
+        120_000
+    );
+});
+
+const desperateSurvivalBoundaryCases: Array<{
+    name: string;
+    fixturePatches?: FixturePatches;
+    outcome: 'fallback' | 'intermediate' | 'completed';
+    coreResolution?: boolean;
+    expectedLastTerm?: number;
+    expectedStrategicCommandLimit?: number;
+    expectedPostReqTurn?: number;
+}> = [
+    {
+        name: 'rejects a nation without an outgoing war',
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects a reverse-only war',
+        fixturePatches: {
+            diplomacy: {
+                '1:2': { state: 3 },
+                '2:1': { state: 0 },
+            },
+        },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects a source city occupied by another nation',
+        fixturePatches: {
+            cities: { 3: { nationId: 2 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects an actor below chief rank',
+        fixturePatches: {
+            generals: { 1: { officerLevel: 4, officerCityId: 0 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'fallback',
+        coreResolution: false,
+    },
+    {
+        name: 'rejects a remaining strategic-command delay',
+        fixturePatches: {
+            nations: { 1: { strategicCommandLimit: 1 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'fallback',
+    },
+    {
+        name: 'allows an unsupplied city at the first intermediate turn',
+        fixturePatches: {
+            cities: { 3: { supplyState: 0 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'intermediate',
+        expectedLastTerm: 1,
+    },
+    {
+        name: 'advances the second intermediate turn without side effects',
+        fixturePatches: {
+            nations: {
+                1: {
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 1 },
+                    },
+                },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'intermediate',
+        expectedLastTerm: 2,
+    },
+    {
+        name: 'completes with an outgoing war even when the reverse relation is trade',
+        fixturePatches: {
+            nations: {
+                1: {
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 2 },
+                    },
+                },
+            },
+            diplomacy: {
+                '1:2': { state: 0, term: 0 },
+                '2:1': { state: 3, term: 0 },
+            },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 87,
+    },
+    {
+        name: 'preserves training and morale values already above one hundred',
+        fixturePatches: {
+            generals: {
+                1: { train: 120, atmos: 110 },
+                3: { train: 105, atmos: 130 },
+            },
+            nations: {
+                1: {
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 2 },
+                    },
+                },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 87,
+    },
+    {
+        name: 'accepts an explicit self-war as the outgoing war relation',
+        fixturePatches: {
+            nations: {
+                1: {
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 2 },
+                    },
+                },
+            },
+            diplomacy: {
+                '1:1': { state: 0 },
+            },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 87,
+    },
+    {
+        name: 'restarts at term one after a different command interrupted the stack',
+        fixturePatches: {
+            nations: {
+                1: {
+                    turnLastByOfficerLevel: {
+                        12: { command: '급습', arg: { destNationID: 2 }, term: 2 },
+                    },
+                },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'intermediate',
+        expectedLastTerm: 1,
+    },
+    {
+        name: 'applies the strategist command and global-delay modifiers',
+        fixturePatches: {
+            nations: {
+                1: {
+                    typeCode: 'che_종횡가',
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 2 },
+                    },
+                },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedStrategicCommandLimit: 5,
+        expectedPostReqTurn: 65,
+    },
+    {
+        name: 'uses the actual eleven-general count for the nation cooldown',
+        fixturePatches: {
+            nations: {
+                1: {
+                    generalCount: 11,
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 2 },
+                    },
+                },
+            },
+            generals: {
+                4: { nationId: 1 },
+                5: { nationId: 1 },
+                6: { nationId: 1 },
+                7: { nationId: 1 },
+                8: { nationId: 1 },
+                9: { nationId: 1 },
+                10: { nationId: 1 },
+                11: { nationId: 1 },
+                12: { nationId: 1 },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 92,
+    },
+];
+
+integration('nation desperate-survival multistep, diplomacy, effects, and cooldown boundaries', () => {
+    it.each(desperateSurvivalBoundaryCases)(
+        '$name matches legacy progress, effects, cooldown, logs, RNG, and semantic delta',
+        async ({
+            fixturePatches,
+            outcome,
+            coreResolution = true,
+            expectedLastTerm,
+            expectedStrategicCommandLimit = 9,
+            expectedPostReqTurn,
+        }) => {
+            const request = buildRequest('che_필사즉생', undefined, fixturePatches);
+            const reference = runReferenceTurnCommandTraceRequest(
+                workspaceRoot!,
+                request as unknown as Record<string, unknown>
+            );
+            const core = await runCoreTurnCommandTrace(request, reference.before);
+            const completed = outcome === 'completed';
+            const fallback = outcome === 'fallback';
+
+            expect(reference.execution.outcome).toMatchObject({ completed });
+            if (coreResolution) {
+                expect(core.execution.outcome).toMatchObject({
+                    requestedAction: 'che_필사즉생',
+                    actionKey: fallback ? '휴식' : 'che_필사즉생',
+                    usedFallback: fallback,
+                    ...(fallback ? {} : { completed }),
+                });
+            } else {
+                expect(core.execution.outcome).toBeUndefined();
+            }
+
+            for (const snapshot of [reference, core]) {
+                const nationBefore = snapshot.before.nations.find((entry) => entry.id === 1);
+                const nationAfter = snapshot.after.nations.find((entry) => entry.id === 1);
+                const actorBefore = snapshot.before.generals.find((entry) => entry.id === 1);
+                const actorAfter = snapshot.after.generals.find((entry) => entry.id === 1);
+                const teammateBefore = snapshot.before.generals.find((entry) => entry.id === 3);
+                const teammateAfter = snapshot.after.generals.find((entry) => entry.id === 3);
+                const foreignBefore = snapshot.before.generals.find((entry) => entry.id === 2);
+                const foreignAfter = snapshot.after.generals.find((entry) => entry.id === 2);
+
+                expect(readNationResource(nationBefore, 'gold') - readNationResource(nationAfter, 'gold')).toBe(0);
+                expect(readNationResource(nationBefore, 'rice') - readNationResource(nationAfter, 'rice')).toBe(0);
+                expect(readNumericField(actorAfter, 'experience') - readNumericField(actorBefore, 'experience')).toBe(
+                    completed ? 15 : 0
+                );
+                expect(readNumericField(actorAfter, 'dedication') - readNumericField(actorBefore, 'dedication')).toBe(
+                    completed ? 15 : 0
+                );
+                expect(readNumericField(nationAfter, 'strategicCommandLimit')).toBe(
+                    completed ? expectedStrategicCommandLimit : readNumericField(nationBefore, 'strategicCommandLimit')
+                );
+
+                for (const [before, after] of [
+                    [actorBefore, actorAfter],
+                    [teammateBefore, teammateAfter],
+                ] as const) {
+                    expect(readNumericField(after, 'train')).toBe(
+                        completed ? Math.max(100, readNumericField(before, 'train')) : readNumericField(before, 'train')
+                    );
+                    expect(readNumericField(after, 'atmos')).toBe(
+                        completed ? Math.max(100, readNumericField(before, 'atmos')) : readNumericField(before, 'atmos')
+                    );
+                }
+                expect(readNumericField(foreignAfter, 'train')).toBe(readNumericField(foreignBefore, 'train'));
+                expect(readNumericField(foreignAfter, 'atmos')).toBe(readNumericField(foreignBefore, 'atmos'));
+
+                if (completed) {
+                    const addedLogs = snapshot.after.logs.slice(snapshot.before.logs.length);
+                    expect(addedLogs.map((entry) => entry.text)).toEqual(
+                        expect.arrayContaining([expect.stringContaining('필사즉생 발동')])
+                    );
+                    expect(
+                        addedLogs.some((entry) => entry.generalId === 3 && String(entry.text).includes('필사즉생'))
+                    ).toBe(true);
+                }
+            }
+
+            if (outcome === 'intermediate') {
+                expect(reference.execution.outcome).toMatchObject({
+                    lastTurn: {
+                        command: '필사즉생',
+                        term: expectedLastTerm,
+                    },
+                });
+                expect(readNationMeta(core.after.nations.find((entry) => entry.id === 1)).turn_last_12).toMatchObject({
+                    command: '필사즉생',
+                    term: expectedLastTerm,
+                });
+            }
+            if (completed) {
+                const expectedNextAvailableTurn = 190 * 12 + expectedPostReqTurn!;
+                expect(reference.after.world.nationCooldowns).toEqual([
+                    {
+                        nationId: 1,
+                        actionName: '필사즉생',
+                        nextAvailableTurn: expectedNextAvailableTurn,
+                    },
+                ]);
+                expect(core.after.world.nationCooldowns).toEqual(reference.after.world.nationCooldowns);
+            }
+            expect(reference.rng).toEqual([]);
+            expect(core.rng).toEqual(reference.rng);
+            expect(
+                compareTurnSnapshotDeltas(reference.before, reference.after, core.before, core.after, {
+                    ignoredPathPatterns: ignoredLifecyclePaths,
+                })
+            ).toEqual([]);
+        },
+        120_000
+    );
+});
+
+const deceptionBoundaryCases: Array<{
+    name: string;
+    destCityId: unknown;
+    fixturePatches?: FixturePatches;
+    outcome: 'fallback' | 'intermediate' | 'completed';
+    coreResolution?: boolean;
+    expectedPostReqTurn?: number;
+    expectedStrategicCommandLimit?: number;
+    expectedTargetCityId?: number;
+    expectedRngCalls?: number;
+}> = [
+    {
+        name: 'rejects a missing destination city',
+        destCityId: 99,
+        outcome: 'fallback',
+    },
+    {
+        name: 'accepts a numeric string destination city ID',
+        destCityId: '70',
+        fixturePatches: { diplomacy: { '1:2': { state: 0 } } },
+        outcome: 'completed',
+        expectedPostReqTurn: 62,
+        expectedTargetCityId: 70,
+        expectedRngCalls: 2,
+    },
+    {
+        name: 'truncates a fractional destination city ID',
+        destCityId: 70.9,
+        fixturePatches: { diplomacy: { '1:2': { state: 0 } } },
+        outcome: 'completed',
+        expectedPostReqTurn: 62,
+        expectedTargetCityId: 70,
+        expectedRngCalls: 2,
+    },
+    {
+        name: 'rejects a neutral destination city',
+        destCityId: 70,
+        fixturePatches: { cities: { 70: { nationId: 0 } } },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects a destination city occupied by the source nation',
+        destCityId: 70,
+        fixturePatches: { cities: { 70: { nationId: 1 } } },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects a trade relation to the destination nation',
+        destCityId: 70,
+        fixturePatches: { diplomacy: { '1:2': { state: 3 } } },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects a reverse-only war relation',
+        destCityId: 70,
+        fixturePatches: {
+            diplomacy: {
+                '1:2': { state: 3 },
+                '2:1': { state: 0 },
+            },
+        },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects a source city occupied by another nation',
+        destCityId: 70,
+        fixturePatches: {
+            cities: { 3: { nationId: 2 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'fallback',
+    },
+    {
+        name: 'rejects an actor below chief rank',
+        destCityId: 70,
+        fixturePatches: {
+            generals: { 1: { officerLevel: 4, officerCityId: 0 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'fallback',
+        coreResolution: false,
+    },
+    {
+        name: 'rejects a remaining strategic-command delay',
+        destCityId: 70,
+        fixturePatches: {
+            nations: { 1: { strategicCommandLimit: 1 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'fallback',
+    },
+    {
+        name: 'allows an unsupplied source city on the intermediate turn',
+        destCityId: 70,
+        fixturePatches: {
+            cities: { 3: { supplyState: 0 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'intermediate',
+    },
+    {
+        name: 'completes against a nation under declaration',
+        destCityId: 70,
+        fixturePatches: { diplomacy: { '1:2': { state: 1 } } },
+        outcome: 'completed',
+        expectedPostReqTurn: 62,
+        expectedTargetCityId: 70,
+        expectedRngCalls: 2,
+    },
+    {
+        name: 'excludes supply state two and moves the target to the only supply-one city',
+        destCityId: 70,
+        fixturePatches: {
+            cities: {
+                70: { supplyState: 2 },
+                23: { nationId: 2, supplyState: 1 },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 62,
+        expectedTargetCityId: 23,
+        expectedRngCalls: 1,
+    },
+    {
+        name: 'completes without RNG when no general is in the destination city',
+        destCityId: 70,
+        fixturePatches: {
+            cities: { 23: { nationId: 2, supplyState: 1 } },
+            generals: { 2: { cityId: 23 } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 62,
+        expectedTargetCityId: 23,
+        expectedRngCalls: 0,
+    },
+    {
+        name: 'restarts at term one after another command interrupted the stack',
+        destCityId: 70,
+        fixturePatches: {
+            nations: {
+                1: {
+                    turnLastByOfficerLevel: {
+                        12: { command: '필사즉생', arg: {}, term: 2 },
+                    },
+                },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'intermediate',
+    },
+    {
+        name: 'applies the strategist command and global-delay modifiers',
+        destCityId: 70,
+        fixturePatches: {
+            nations: { 1: { typeCode: 'che_종횡가' } },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 46,
+        expectedStrategicCommandLimit: 5,
+        expectedTargetCityId: 70,
+        expectedRngCalls: 2,
+    },
+    {
+        name: 'uses the actual eleven-general count for the nation cooldown',
+        destCityId: 70,
+        fixturePatches: {
+            nations: { 1: { generalCount: 11 } },
+            generals: {
+                4: { nationId: 1 },
+                5: { nationId: 1 },
+                6: { nationId: 1 },
+                7: { nationId: 1 },
+                8: { nationId: 1 },
+                9: { nationId: 1 },
+                10: { nationId: 1 },
+                11: { nationId: 1 },
+                12: { nationId: 1 },
+            },
+            diplomacy: { '1:2': { state: 0 } },
+        },
+        outcome: 'completed',
+        expectedPostReqTurn: 65,
+        expectedTargetCityId: 70,
+        expectedRngCalls: 2,
+    },
+];
+
+integration('nation deception target, multistep, movement, RNG, and cooldown boundaries', () => {
+    it.each(deceptionBoundaryCases)(
+        '$name matches legacy progress, movement, cooldown, logs, RNG, and semantic delta',
+        async ({
+            destCityId,
+            fixturePatches,
+            outcome,
+            coreResolution = true,
+            expectedPostReqTurn,
+            expectedStrategicCommandLimit = 9,
+            expectedTargetCityId,
+            expectedRngCalls,
+        }) => {
+            const normalizedDestCityId =
+                typeof destCityId === 'string' ? Math.trunc(Number(destCityId)) : Math.trunc(Number(destCityId));
+            const completed = outcome === 'completed';
+            const fallback = outcome === 'fallback';
+            const completionNationPatch = completed
+                ? {
+                      turnLastByOfficerLevel: {
+                          12: { command: '허보', arg: { destCityID: destCityId }, term: 1 },
+                      },
+                      coreTurnLastByOfficerLevel: {
+                          12: { command: '허보', arg: { destCityId: normalizedDestCityId }, term: 1 },
+                      },
+                  }
+                : {};
+            const request = buildRequest(
+                'che_허보',
+                { destCityID: destCityId },
+                {
+                    ...fixturePatches,
+                    nations: {
+                        ...fixturePatches?.nations,
+                        1: {
+                            ...fixturePatches?.nations?.[1],
+                            ...completionNationPatch,
+                        },
+                    },
+                }
+            );
+            const reference = runReferenceTurnCommandTraceRequest(
+                workspaceRoot!,
+                request as unknown as Record<string, unknown>
+            );
+            const core = await runCoreTurnCommandTrace(request, reference.before);
+
+            expect(reference.execution.outcome).toMatchObject({ completed });
+            if (coreResolution) {
+                expect(core.execution.outcome).toMatchObject({
+                    requestedAction: 'che_허보',
+                    actionKey: fallback ? '휴식' : 'che_허보',
+                    usedFallback: fallback,
+                    ...(fallback ? {} : { completed }),
+                });
+            } else {
+                expect(core.execution.outcome).toBeUndefined();
+            }
+
+            for (const snapshot of [reference, core]) {
+                const nationBefore = snapshot.before.nations.find((entry) => entry.id === 1);
+                const nationAfter = snapshot.after.nations.find((entry) => entry.id === 1);
+                const actorBefore = snapshot.before.generals.find((entry) => entry.id === 1);
+                const actorAfter = snapshot.after.generals.find((entry) => entry.id === 1);
+                const targetBefore = snapshot.before.generals.find((entry) => entry.id === 2);
+                const targetAfter = snapshot.after.generals.find((entry) => entry.id === 2);
+
+                expect(readNationResource(nationBefore, 'gold') - readNationResource(nationAfter, 'gold')).toBe(0);
+                expect(readNationResource(nationBefore, 'rice') - readNationResource(nationAfter, 'rice')).toBe(0);
+                expect(readNumericField(actorAfter, 'experience') - readNumericField(actorBefore, 'experience')).toBe(
+                    completed ? 10 : 0
+                );
+                expect(readNumericField(actorAfter, 'dedication') - readNumericField(actorBefore, 'dedication')).toBe(
+                    completed ? 10 : 0
+                );
+                expect(readNumericField(nationAfter, 'strategicCommandLimit')).toBe(
+                    completed ? expectedStrategicCommandLimit : readNumericField(nationBefore, 'strategicCommandLimit')
+                );
+                expect(readNumericField(targetAfter, 'cityId')).toBe(
+                    completed && expectedTargetCityId !== undefined
+                        ? expectedTargetCityId
+                        : readNumericField(targetBefore, 'cityId')
+                );
+
+                if (completed) {
+                    const addedLogs = snapshot.after.logs.slice(snapshot.before.logs.length);
+                    expect(addedLogs.map((entry) => entry.text)).toEqual(
+                        expect.arrayContaining([expect.stringContaining('허보 발동')])
+                    );
+                    expect(
+                        addedLogs.some((entry) => entry.generalId === 3 && String(entry.text).includes('허보'))
+                    ).toBe(true);
+                }
+            }
+
+            if (outcome === 'intermediate') {
+                expect(reference.execution.outcome).toMatchObject({
+                    lastTurn: {
+                        command: '허보',
+                        term: 1,
+                    },
+                });
+                expect(readNationMeta(core.after.nations.find((entry) => entry.id === 1)).turn_last_12).toMatchObject({
+                    command: '허보',
+                    term: 1,
+                });
+            }
+            if (completed) {
+                const expectedNextAvailableTurn = 190 * 12 + expectedPostReqTurn!;
+                expect(reference.after.world.nationCooldowns).toEqual([
+                    {
+                        nationId: 1,
+                        actionName: '허보',
+                        nextAvailableTurn: expectedNextAvailableTurn,
+                    },
+                ]);
+                expect(core.after.world.nationCooldowns).toEqual(reference.after.world.nationCooldowns);
+            }
+            if (expectedRngCalls !== undefined) {
+                expect(reference.rng).toHaveLength(expectedRngCalls);
+            }
+            expect(core.rng).toEqual(reference.rng);
+            expect(
+                compareTurnSnapshotDeltas(reference.before, reference.after, core.before, core.after, {
+                    ignoredPathPatterns: ignoredLifecyclePaths,
+                })
+            ).toEqual([]);
+        },
+        120_000
+    );
+});