diff --git a/app/game-api/src/router/lobby/index.ts b/app/game-api/src/router/lobby/index.ts
index a2fe2dde..93052114 100644
--- a/app/game-api/src/router/lobby/index.ts
+++ b/app/game-api/src/router/lobby/index.ts
@@ -5,6 +5,7 @@ import { asNumber, asRecord } from '@sammo-ts/common';
 import { zWorldStateConfig, zWorldStateMeta } from '../../context.js';
 import { isSelectionPoolWorld, resolveSelectionMaxGeneral } from '@sammo-ts/game-engine/turn/selectPoolService.js';
 import { loadCurrentGameTime } from '../../services/gameClock.js';
+import { loadTurnEngineRunning } from '../../services/turnEngineStatus.js';
 import { procedure, router } from '../../trpc.js';
 
 export const lobbyRouter = router({
@@ -35,6 +36,7 @@ export const lobbyRouter = router({
                   .map(([option]) => option)
             : [];
         const gameTime = await loadCurrentGameTime(ctx.db);
+        const turnEngineRunning = await loadTurnEngineRunning(ctx.profileStatusSource, ctx.db, ctx.profile.name);
 
         let myGeneral = null;
         if (ctx.auth?.user.id) {
@@ -72,6 +74,7 @@ export const lobbyRouter = router({
             clockMode: gameTime.mode ?? 'realtime',
             clockRunning: gameTime.running,
             clockStartsAt: gameTime.startsAt?.toISOString() ?? null,
+            turnEngineRunning,
             otherTextInfo: worldState.meta.otherTextInfo ?? '',
             npcMode: worldState.config.npcMode ?? 0,
             defaultStatTotal: asNumber(asRecord(rawConfig.stat).total, 165),
diff --git a/app/game-api/src/router/turns/index.ts b/app/game-api/src/router/turns/index.ts
index 93ba0ae5..659d9b67 100644
--- a/app/game-api/src/router/turns/index.ts
+++ b/app/game-api/src/router/turns/index.ts
@@ -14,9 +14,8 @@ import {
 } from '../../turns/commandTable.js';
 import { loadMapDefinitionByName } from '../../maps/mapDefinition.js';
 import {
-    assertReservedTurnActionAvailable,
     buildEquipmentTradeItemOptions,
-    parseRegisteredTurnArgs,
+    parseReservedTurnArgs,
     TURN_COMMAND_NATION_COLORS,
     type TurnCommandInputOptions,
 } from '../../turns/commandInput.js';
@@ -66,9 +65,17 @@ const buildBulkEntrySchema = (turnList: z.ZodType<number[]>) =>
         args: z.unknown().optional(),
     });
 
-const parseCommandArgs = async (scope: 'general' | 'nation', action: string, args: unknown) => {
+const parseCommandArgs = async (
+    scope: 'general' | 'nation',
+    action: string,
+    args: unknown,
+    worldState: WorldStateRow
+) => {
     try {
-        return await parseRegisteredTurnArgs(scope, action, args);
+        // 사용자 입력은 action별 argument schema보다 먼저 현재 scenario의
+        // 선택 가능 profile을 통과해야 한다. 내부 전용 명령의 parser를 외부
+        // 요청이 직접 호출하지 못하게 하는 첫 경계다.
+        return await parseReservedTurnArgs(scope, action, args, asRecord(worldState.config).const);
     } catch (error) {
         throw new TRPCError({
             code: 'BAD_REQUEST',
@@ -78,22 +85,6 @@ const parseCommandArgs = async (scope: 'general' | 'nation', action: string, arg
     }
 };
 
-const assertScenarioCommandAvailable = async (
-    scope: 'general' | 'nation',
-    action: string,
-    worldState: WorldStateRow
-): Promise<void> => {
-    try {
-        await assertReservedTurnActionAvailable(scope, action, asRecord(worldState.config).const);
-    } catch (error) {
-        throw new TRPCError({
-            code: 'BAD_REQUEST',
-            message: error instanceof Error ? error.message : 'Unavailable turn command.',
-            cause: error,
-        });
-    }
-};
-
 const mutateReservedTurns = async <T>(mutation: () => Promise<T>): Promise<T> => {
     try {
         return await mutation();
@@ -492,9 +483,8 @@ export const turnsRouter = router({
             )
             .mutation(async ({ ctx, input }) => {
                 const general = await getOwnedGeneral(ctx, input.generalId);
-                const args = await parseCommandArgs('general', input.action, input.args);
                 const worldState = await getReservationWorldState(ctx);
-                await assertScenarioCommandAvailable('general', input.action, worldState);
+                const args = await parseCommandArgs('general', input.action, input.args, worldState);
                 await assertReservedTurnPermission(worldState, general, 'general', input.action, args);
 
                 const snapshot = await mutateReservedTurns(() =>
@@ -549,16 +539,15 @@ export const turnsRouter = router({
             )
             .mutation(async ({ ctx, input }) => {
                 const general = await getOwnedGeneral(ctx, input.generalId);
+                const worldState = await getReservationWorldState(ctx);
                 const updates = await Promise.all(
                     input.entries.map(async (entry) => ({
                         turnIndices: expandGeneralTurnIndices(entry.turnList),
                         action: entry.action,
-                        args: await parseCommandArgs('general', entry.action, entry.args),
+                        args: await parseCommandArgs('general', entry.action, entry.args, worldState),
                     }))
                 );
-                const worldState = await getReservationWorldState(ctx);
                 for (const update of updates) {
-                    await assertScenarioCommandAvailable('general', update.action, worldState);
                     await assertReservedTurnPermission(worldState, general, 'general', update.action, update.args);
                 }
                 const snapshot = await mutateReservedTurns(() =>
@@ -596,9 +585,8 @@ export const turnsRouter = router({
                         message: 'General is not an officer.',
                     });
                 }
-                const args = await parseCommandArgs('nation', input.action, input.args);
                 const worldState = await getReservationWorldState(ctx);
-                await assertScenarioCommandAvailable('nation', input.action, worldState);
+                const args = await parseCommandArgs('nation', input.action, input.args, worldState);
                 assertNationTurnInputAllowed(general);
                 await assertReservedTurnPermission(worldState, general, 'nation', input.action, args);
 
@@ -714,9 +702,8 @@ export const turnsRouter = router({
                     const update = {
                         turnIndices: entry.turnList,
                         action: entry.action,
-                        args: await parseCommandArgs('nation', entry.action, entry.args),
+                        args: await parseCommandArgs('nation', entry.action, entry.args, worldState),
                     };
-                    await assertScenarioCommandAvailable('nation', update.action, worldState);
                     assertNationTurnInputAllowed(general);
                     await assertReservedTurnPermission(worldState, general, 'nation', update.action, update.args);
                     updates.push(update);
diff --git a/app/game-api/src/server.ts b/app/game-api/src/server.ts
index 11c14a1e..5cb33387 100644
--- a/app/game-api/src/server.ts
+++ b/app/game-api/src/server.ts
@@ -40,6 +40,7 @@ import {
 } from './realtime/publicEvent.js';
 import { GatewayHttpAccountIconSource } from './auth/accountIconSource.js';
 import { GatewayHttpProfileStatusSource } from './auth/profileStatusSource.js';
+import { CachedTurnEngineStatus } from './services/turnEngineStatus.js';
 import { createAdminProfileIconResetFlushHandler } from './services/accountIconSync.js';
 import { AccountIconResetReconciler } from './services/accountIconResetReconciler.js';
 import { createBestEffortResourceCloser } from './services/bestEffortResourceCloser.js';
@@ -115,6 +116,7 @@ export const createGameApiServer = async () => {
         config.gatewayInternalApiUrl,
         config.gameTokenSecret
     );
+    const turnEngineStatus = new CachedTurnEngineStatus(profileStatusSource, postgres.prisma, config.profileName);
 
     const turnDaemon = new DatabaseTurnDaemonTransport(postgres.prisma, config.daemonRequestTimeoutMs);
     const accountIconResetReconciler = new AccountIconResetReconciler(
@@ -383,13 +385,24 @@ export const createGameApiServer = async () => {
                 });
         });
 
+        let heartbeatPending = false;
         const heartbeat = setInterval(() => {
-            sendFrame(
-                formatSseFrame({
-                    event: 'ping',
-                    data: '{}',
+            if (heartbeatPending) return;
+            heartbeatPending = true;
+            void turnEngineStatus
+                .get()
+                .then((turnEngineRunning) => {
+                    if (closed) return;
+                    sendFrame(
+                        formatSseFrame({
+                            event: 'ping',
+                            data: JSON.stringify({ turnEngineRunning }),
+                        })
+                    );
                 })
-            );
+                .finally(() => {
+                    heartbeatPending = false;
+                });
         }, 15000);
 
         const close = () => {
diff --git a/app/game-api/src/services/turnEngineStatus.ts b/app/game-api/src/services/turnEngineStatus.ts
new file mode 100644
index 00000000..7b4dfde4
--- /dev/null
+++ b/app/game-api/src/services/turnEngineStatus.ts
@@ -0,0 +1,63 @@
+import { gatewayProfileCapabilities } from '@sammo-ts/common';
+
+import type { ProfileStatusSource } from '../auth/profileStatusSource.js';
+
+interface TurnDaemonLeaseSource {
+    turnDaemonLease: {
+        findUnique(input: {
+            where: { profile: string };
+            select: { leaseUntil: true };
+        }): Promise<{ leaseUntil: Date } | null>;
+    };
+}
+
+export const loadTurnEngineRunning = async (
+    source: ProfileStatusSource | undefined,
+    db: TurnDaemonLeaseSource,
+    profileName: string,
+    now = new Date()
+): Promise<boolean | null> => {
+    if (!source) return null;
+    try {
+        const status = await source.get(profileName);
+        if (status === null) return null;
+        if (!gatewayProfileCapabilities(status).turnsRunning) return false;
+        const lease = await db.turnDaemonLease.findUnique({
+            where: { profile: profileName },
+            select: { leaseUntil: true },
+        });
+        return lease !== null && lease.leaseUntil.getTime() > now.getTime();
+    } catch {
+        return null;
+    }
+};
+
+export class CachedTurnEngineStatus {
+    private cachedAt = Number.NEGATIVE_INFINITY;
+    private cachedValue: boolean | null = null;
+    private pending: Promise<boolean | null> | null = null;
+
+    constructor(
+        private readonly source: ProfileStatusSource,
+        private readonly db: TurnDaemonLeaseSource,
+        private readonly profileName: string,
+        private readonly cacheMs = 2_000,
+        private readonly now = () => Date.now()
+    ) {}
+
+    get(): Promise<boolean | null> {
+        if (this.now() - this.cachedAt < this.cacheMs) {
+            return Promise.resolve(this.cachedValue);
+        }
+        if (this.pending) return this.pending;
+
+        this.pending = loadTurnEngineRunning(this.source, this.db, this.profileName).then((value) => {
+            this.cachedValue = value;
+            this.cachedAt = this.now();
+            return value;
+        });
+        return this.pending.finally(() => {
+            this.pending = null;
+        });
+    }
+}
diff --git a/app/game-api/src/turns/commandInput.ts b/app/game-api/src/turns/commandInput.ts
index 87ed7a98..fa12257e 100644
--- a/app/game-api/src/turns/commandInput.ts
+++ b/app/game-api/src/turns/commandInput.ts
@@ -362,7 +362,7 @@ export const loadTurnCommandSpecs = async (scenarioConst?: unknown) => {
     };
 };
 
-export const parseRegisteredTurnArgs = async (
+const parseRegisteredTurnArgs = async (
     scope: 'general' | 'nation',
     action: string,
     rawArgs: unknown
diff --git a/app/game-api/test/commandInput.test.ts b/app/game-api/test/commandInput.test.ts
index f01f3d49..a6b143d2 100644
--- a/app/game-api/test/commandInput.test.ts
+++ b/app/game-api/test/commandInput.test.ts
@@ -99,6 +99,31 @@ describe('turn command argument input', () => {
         await expect(parseReservedTurnArgs('general', 'che_포상', {})).rejects.toThrow('Unknown general turn command');
     });
 
+    it('rejects internal general commands before parsing their arguments or scenario overrides', async () => {
+        await expect(parseReservedTurnArgs('general', 'che_NPC능동', {})).rejects.toThrow(
+            'Unknown general turn command: che_NPC능동'
+        );
+        await expect(parseReservedTurnArgs('general', 'che_방랑', {})).rejects.toThrow(
+            'Unknown general turn command: che_방랑'
+        );
+        await expect(
+            parseReservedTurnArgs('general', 'che_등용수락', { destNationId: 1, destGeneralId: 2 })
+        ).rejects.toThrow('Unknown general turn command: che_등용수락');
+
+        await expect(
+            parseReservedTurnArgs(
+                'general',
+                'che_NPC능동',
+                { optionText: '순간이동', destCityId: 1 },
+                {
+                    availableGeneralCommand: {
+                        내부: ['휴식', 'che_NPC능동'],
+                    },
+                }
+            )
+        ).rejects.toThrow('Unknown scenario general command key: che_NPC능동');
+    });
+
     it('accepts and rejects reserved commands from the real 904/905/910/912 world config', async () => {
         const scenarioConsts = Object.fromEntries(
             await Promise.all(
diff --git a/app/game-api/test/lobbyRouter.test.ts b/app/game-api/test/lobbyRouter.test.ts
index c9c09ec8..f1932c0c 100644
--- a/app/game-api/test/lobbyRouter.test.ts
+++ b/app/game-api/test/lobbyRouter.test.ts
@@ -39,8 +39,12 @@ const buildContext = (
             nation: {
                 count: vi.fn(async () => 0),
             },
+            turnDaemonLease: {
+                findUnique: vi.fn(async () => ({ leaseUntil: new Date('2099-01-01T00:00:00.000Z') })),
+            },
         } as unknown as DatabaseClient,
-    }) as GameApiContext;
+        profileStatusSource: { get: vi.fn(async () => 'RUNNING' as const) },
+    }) as unknown as GameApiContext;
 
 describe('lobby season state', () => {
     it.each([0, 1, 2, 3])('returns legacy isunited state %i', async (isunited) => {
@@ -70,9 +74,28 @@ describe('lobby season state', () => {
         expect(result.clockMode).toBe('manual');
         expect(result.clockRunning).toBe(false);
         expect(result.clockStartsAt).toBeNull();
+        expect(result.turnEngineRunning).toBe(true);
         expect(new Date(result.serverWallTime).getTime()).not.toBeNaN();
     });
 
+    it('projects the explicit Gateway turn-running capability independently of the game clock mode', async () => {
+        const context = buildContext(
+            {},
+            {
+                baseTime: new Date('2026-08-15T00:00:00.000Z'),
+                tick: 72_000_000n,
+                mode: 'realtime',
+                wallAnchor: new Date('2026-08-15T00:00:00.000Z'),
+            }
+        );
+        context.profileStatusSource = { get: vi.fn(async () => 'PAUSED' as const) };
+
+        const result = await appRouter.createCaller(context).lobby.info();
+
+        expect(result.clockRunning).toBe(true);
+        expect(result.turnEngineRunning).toBe(false);
+    });
+
     it('exposes the future realtime wall anchor without advancing the preopen clock', async () => {
         const wallAnchor = new Date('2099-08-21T11:00:00.000Z');
         const result = await appRouter
diff --git a/app/game-api/test/router.test.ts b/app/game-api/test/router.test.ts
index 7634ddc2..bbe9523f 100644
--- a/app/game-api/test/router.test.ts
+++ b/app/game-api/test/router.test.ts
@@ -1440,7 +1440,12 @@ describe('appRouter', () => {
         const generalWrites: unknown[] = [];
         const nationWrites: unknown[] = [];
         const caller = appRouter.createCaller(
-            buildContext({ general, generalTurnWrites: generalWrites, nationTurnWrites: nationWrites })
+            buildContext({
+                state: buildWorldState(),
+                general,
+                generalTurnWrites: generalWrites,
+                nationTurnWrites: nationWrites,
+            })
         );
 
         await expect(
@@ -1461,6 +1466,18 @@ describe('appRouter', () => {
                 expectedRevision: 0,
             })
         ).rejects.toMatchObject({ code: 'BAD_REQUEST' });
+        await expect(
+            caller.turns.reserved.setGeneral({
+                generalId: 14,
+                turnIndex: 0,
+                action: 'che_NPC능동',
+                args: {},
+                expectedRevision: 0,
+            })
+        ).rejects.toMatchObject({
+            code: 'BAD_REQUEST',
+            message: 'Unknown general turn command: che_NPC능동',
+        });
 
         expect(generalWrites).toHaveLength(0);
         expect(nationWrites).toHaveLength(0);
diff --git a/app/game-api/test/turnEngineStatus.test.ts b/app/game-api/test/turnEngineStatus.test.ts
new file mode 100644
index 00000000..8d6e1e26
--- /dev/null
+++ b/app/game-api/test/turnEngineStatus.test.ts
@@ -0,0 +1,80 @@
+import { describe, expect, it, vi } from 'vitest';
+
+import { CachedTurnEngineStatus, loadTurnEngineRunning } from '../src/services/turnEngineStatus.js';
+
+describe('turn engine status projection', () => {
+    it('maps Gateway profile capabilities and keeps unavailable status unknown', async () => {
+        const activeLease = {
+            turnDaemonLease: {
+                findUnique: vi.fn(async () => ({ leaseUntil: new Date('2026-08-24T00:01:00.000Z') })),
+            },
+        };
+        const now = new Date('2026-08-24T00:00:00.000Z');
+        await expect(loadTurnEngineRunning({ get: async () => 'RUNNING' }, activeLease, 'che:default', now)).resolves.toBe(
+            true
+        );
+        await expect(loadTurnEngineRunning({ get: async () => 'PREOPEN' }, activeLease, 'che:default', now)).resolves.toBe(
+            false
+        );
+        await expect(loadTurnEngineRunning({ get: async () => 'PAUSED' }, activeLease, 'che:default', now)).resolves.toBe(
+            false
+        );
+        await expect(loadTurnEngineRunning({ get: async () => null }, activeLease, 'che:default', now)).resolves.toBeNull();
+        await expect(
+            loadTurnEngineRunning(
+                { get: async () => Promise.reject(new Error('gateway unavailable')) },
+                activeLease,
+                'che:default',
+                now
+            )
+        ).resolves.toBeNull();
+    });
+
+    it('marks a RUNNING profile stopped when its daemon lease is missing or expired', async () => {
+        const source = { get: async () => 'RUNNING' as const };
+        const now = new Date('2026-08-24T00:00:00.000Z');
+        await expect(
+            loadTurnEngineRunning(
+                source,
+                { turnDaemonLease: { findUnique: async () => null } },
+                'che:default',
+                now
+            )
+        ).resolves.toBe(false);
+        await expect(
+            loadTurnEngineRunning(
+                source,
+                {
+                    turnDaemonLease: {
+                        findUnique: async () => ({ leaseUntil: new Date('2026-08-23T23:59:59.999Z') }),
+                    },
+                },
+                'che:default',
+                now
+            )
+        ).resolves.toBe(false);
+    });
+
+    it('coalesces concurrent heartbeat reads and refreshes after the bounded cache window', async () => {
+        let now = 1_000;
+        const get = vi.fn(async () => 'RUNNING' as const);
+        const findUnique = vi.fn(async () => ({ leaseUntil: new Date('2099-01-01T00:00:00.000Z') }));
+        const cache = new CachedTurnEngineStatus(
+            { get },
+            { turnDaemonLease: { findUnique } },
+            'che:default',
+            2_000,
+            () => now
+        );
+
+        await expect(Promise.all([cache.get(), cache.get()])).resolves.toEqual([true, true]);
+        expect(get).toHaveBeenCalledTimes(1);
+        now += 1_999;
+        await expect(cache.get()).resolves.toBe(true);
+        expect(get).toHaveBeenCalledTimes(1);
+        now += 1;
+        await expect(cache.get()).resolves.toBe(true);
+        expect(get).toHaveBeenCalledTimes(2);
+        expect(findUnique).toHaveBeenCalledTimes(2);
+    });
+});
diff --git a/app/game-engine/src/turn/reservedTurnCommands.ts b/app/game-engine/src/turn/reservedTurnCommands.ts
index a4317d08..4639bf8d 100644
--- a/app/game-engine/src/turn/reservedTurnCommands.ts
+++ b/app/game-engine/src/turn/reservedTurnCommands.ts
@@ -8,6 +8,7 @@ import type {
     UnitSetDefinition,
 } from '@sammo-ts/logic';
 import {
+    INTERNAL_GENERAL_TURN_COMMAND_KEYS,
     LEGACY_RANDOM_GENERAL_FIRST_NAMES,
     LEGACY_RANDOM_GENERAL_LAST_NAMES,
     LEGACY_DEFAULT_MAX_LEVEL,
@@ -173,6 +174,7 @@ export const buildReservedTurnDefinitions = async (options: {
     env: TurnCommandEnv;
     commandProfile: TurnCommandProfile;
     defaultActionKey: GeneralTurnCommandKey & NationTurnCommandKey;
+    internalGeneralCommandKeys?: readonly GeneralTurnCommandKey[];
 }): Promise<{
     general: Map<string, GeneralActionDefinition>;
     nation: Map<string, GeneralActionDefinition>;
@@ -198,7 +200,10 @@ export const buildReservedTurnDefinitions = async (options: {
     options.env.warActionModules ??= moduleBundle.war;
     options.env.nationTraitModules = moduleBundle.nationTraitModules;
 
-    const generalSpecs = await loadGeneralTurnCommandSpecs(options.commandProfile.general);
+    const generalSpecs = await loadGeneralTurnCommandSpecs([
+        ...options.commandProfile.general,
+        ...(options.internalGeneralCommandKeys ?? INTERNAL_GENERAL_TURN_COMMAND_KEYS),
+    ]);
     const nationSpecs = await loadNationTurnCommandSpecs(options.commandProfile.nation);
 
     const general = new Map(generalSpecs.map((spec) => [spec.key, spec.createDefinition(options.env)]));
diff --git a/app/game-engine/src/turn/reservedTurnHandler.ts b/app/game-engine/src/turn/reservedTurnHandler.ts
index 57be4490..c787e0c4 100644
--- a/app/game-engine/src/turn/reservedTurnHandler.ts
+++ b/app/game-engine/src/turn/reservedTurnHandler.ts
@@ -10,13 +10,13 @@ import type {
     ScenarioConfig,
     ScenarioMeta,
     Troop,
-    GeneralTurnCommandKey,
     TurnCommandProfile,
     TurnCommandEnv,
     UnitSetDefinition,
 } from '@sammo-ts/logic';
 import {
     DEFAULT_TURN_COMMAND_PROFILE,
+    INTERNAL_GENERAL_TURN_COMMAND_KEYS,
     GeneralTurnCommandLoader,
     GeneralActionPipeline,
     NationTurnCommandLoader,
@@ -71,8 +71,6 @@ import {
 } from './scenarioStaticEvents.js';
 
 const DEFAULT_ACTION = '휴식';
-const AI_INTERNAL_GENERAL_ACTION_KEYS = ['che_NPC능동'] as const satisfies readonly GeneralTurnCommandKey[];
-
 const LEGACY_STAT_CHANGE_GENERAL_ACTIONS = new Set([
     'che_소집해제',
     'che_랜덤임관',
@@ -964,10 +962,9 @@ export const createReservedTurnHandler = async (options: {
     };
     const generalModuleLoader = new GeneralTurnCommandLoader();
     const nationModuleLoader = new NationTurnCommandLoader();
-    // NPC AI emits a few engine-internal commands that are intentionally not
-    // exposed by the scenario's player command profile. Keep their definitions
-    // available to AI resolution without adding them to the public profile.
-    for (const key of AI_INTERNAL_GENERAL_ACTION_KEYS) {
+    // AI·월간 이벤트·서신이 생성하는 내부 명령은 사용자 선택 profile에는
+    // 노출하지 않지만, 내부 실행 경로에서는 항상 정의와 context를 찾을 수 있어야 한다.
+    for (const key of INTERNAL_GENERAL_TURN_COMMAND_KEYS) {
         const module = await generalModuleLoader.load(key);
         if (!generalDefinitions.has(key)) {
             generalDefinitions.set(key, module.commandSpec.createDefinition(env));
@@ -2460,18 +2457,13 @@ export const createImmediateGeneralActionExecutor = async (options: {
     const env = buildCommandEnv(options.world.getScenarioConfig(), options.world.getUnitSet());
     const commandProfile = options.commandProfile ?? DEFAULT_TURN_COMMAND_PROFILE;
     // 등용수락은 예약 화면에 노출되는 명령이 아니라 등용 서신의 응답이
-    // 직접 실행하는 내부 명령이다. 선택 가능 명령 프로필에 없더라도 등용
-    // 서신을 수락할 수 있도록 즉시 행동 정의에는 항상 포함한다.
-    const immediateCommandProfile: TurnCommandProfile = commandProfile.general.includes('che_등용수락')
-        ? commandProfile
-        : {
-              ...commandProfile,
-              general: [...commandProfile.general, 'che_등용수락'],
-          };
+    // 직접 실행하는 내부 명령이다. 공통 내부 집합 전체 대신 이 실행기에 필요한
+    // 정의만 명시해 loader 경계를 재사용한다.
     const { general: definitions } = await buildReservedTurnDefinitions({
         env,
-        commandProfile: immediateCommandProfile,
+        commandProfile,
         defaultActionKey: DEFAULT_ACTION,
+        internalGeneralCommandKeys: ['che_등용수락'],
     });
     const generalModuleLoader = new GeneralTurnCommandLoader();
     const contextBuilders = new Map<string, ActionContextBuilder>();
diff --git a/app/game-engine/test/inheritanceActiveActionInventory.test.ts b/app/game-engine/test/inheritanceActiveActionInventory.test.ts
index 102aa023..20811619 100644
--- a/app/game-engine/test/inheritanceActiveActionInventory.test.ts
+++ b/app/game-engine/test/inheritanceActiveActionInventory.test.ts
@@ -1,5 +1,9 @@
 import { describe, expect, it } from 'vitest';
-import { DEFAULT_TURN_COMMAND_PROFILE, type ScenarioConfig } from '@sammo-ts/logic';
+import {
+    DEFAULT_TURN_COMMAND_PROFILE,
+    INTERNAL_GENERAL_TURN_COMMAND_KEYS,
+    type ScenarioConfig,
+} from '@sammo-ts/logic';
 
 import { buildCommandEnv, buildReservedTurnDefinitions } from '../src/turn/reservedTurnCommands.js';
 
@@ -54,6 +58,7 @@ describe('Ref active-action inheritance inventory', () => {
             env: buildCommandEnv(scenarioConfig),
             commandProfile: DEFAULT_TURN_COMMAND_PROFILE,
             defaultActionKey: '휴식',
+            internalGeneralCommandKeys: INTERNAL_GENERAL_TURN_COMMAND_KEYS,
         });
 
         const generalWithFixedOrContextAmount = [...general.entries()]
@@ -71,4 +76,14 @@ describe('Ref active-action inheritance inventory', () => {
             .sort();
         expect(nationWithPoint).toEqual([...nationCommands].sort());
     });
+
+    it('loads every internal command without adding it to the selectable profile', async () => {
+        const { general } = await buildReservedTurnDefinitions({
+            env: buildCommandEnv(scenarioConfig),
+            commandProfile: { general: ['휴식'], nation: ['휴식'] },
+            defaultActionKey: '휴식',
+        });
+
+        expect([...general.keys()].sort()).toEqual(['che_NPC능동', 'che_등용수락', 'che_방랑', '휴식'].sort());
+    });
 });
diff --git a/app/game-engine/test/monthlyInvaderAction.test.ts b/app/game-engine/test/monthlyInvaderAction.test.ts
index 3d0c29c8..751ff92e 100644
--- a/app/game-engine/test/monthlyInvaderAction.test.ts
+++ b/app/game-engine/test/monthlyInvaderAction.test.ts
@@ -10,6 +10,7 @@ import {
 import { createMonthlyEventHandler } from '../src/turn/monthlyEventHandler.js';
 import { InMemoryReservedTurnStore } from '../src/turn/reservedTurnStore.js';
 import { buildCommandEnv } from '../src/turn/reservedTurnCommands.js';
+import { createReservedTurnHandler } from '../src/turn/reservedTurnHandler.js';
 import type { TurnEvent, TurnGeneral, TurnWorldSnapshot, TurnWorldState } from '../src/turn/types.js';
 
 const buildCity = (id: number, nationId: number, level: number): City => ({
@@ -313,8 +314,24 @@ describe('invader monthly actions', () => {
             getWorld: () => world,
             reservedTurns: harness.reservedTurns,
         });
+        const reservedTurnHandler = await createReservedTurnHandler({
+            reservedTurns: harness.reservedTurns,
+            scenarioConfig,
+            scenarioMeta: {
+                title: '내부 방랑 실행 fixture',
+                startYear: 190,
+                life: null,
+                fiction: null,
+                history: [],
+                ignoreDefaultEvents: false,
+            },
+            map: harness.snapshot.map,
+            getWorld: () => world,
+            commandProfile: { general: ['휴식'], nation: ['휴식'] },
+        });
         world = new InMemoryTurnWorld(state, harness.snapshot, {
             schedule: { entries: [{ startMinute: 0, tickMinutes: 10 }] },
+            generalTurnHandler: reservedTurnHandler,
             calendarHandler: createMonthlyEventHandler({
                 getWorld: () => world,
                 startYear: 190,
@@ -342,6 +359,17 @@ describe('invader monthly actions', () => {
             Array.from({ length: 30 }, () => ({ action: 'che_방랑', args: {} }))
         );
         expect(harness.reservedTurns.peekDirtyState().generalIds).toEqual([2]);
+
+        const ruler = world.getGeneralById(2);
+        expect(ruler).not.toBeNull();
+        expect(() => world.executeGeneralTurn(ruler!)).not.toThrow();
+        expect(world.getNationById(2)).toMatchObject({
+            name: 'ⓞ도시2대왕',
+            level: 0,
+            capitalCityId: 0,
+            typeCode: 'None',
+        });
+        expect(world.getCityById(2)?.nationId).toBe(0);
     });
 
     it('finishes with the legacy user-win logs and refresh multiplier', async () => {
diff --git a/app/game-frontend/e2e/mainNavigation.spec.ts b/app/game-frontend/e2e/mainNavigation.spec.ts
index 772269e1..edbe8e46 100644
--- a/app/game-frontend/e2e/mainNavigation.spec.ts
+++ b/app/game-frontend/e2e/mainNavigation.spec.ts
@@ -42,6 +42,7 @@ type NavigationFixture = {
     clockMode?: 'realtime' | 'manual';
     clockRunning?: boolean;
     clockStartsAt?: string | null;
+    turnEngineRunning?: boolean | null;
     cityDefence?: number;
     cityState?: number;
     nationRate?: number;
@@ -598,6 +599,7 @@ const installFixture = async (page: Page, state: NavigationFixture) => {
                     clockMode: state.clockMode ?? 'realtime',
                     clockRunning: state.clockRunning ?? true,
                     clockStartsAt: state.clockStartsAt ?? null,
+                    turnEngineRunning: state.turnEngineRunning === undefined ? true : state.turnEngineRunning,
                     scenarioTitle: state.scenarioTitle ?? '',
                 });
             }
@@ -2037,7 +2039,7 @@ test('main general card uses local turn time and command clock tracks corrected
     expect(state.operations).toHaveLength(operationsBeforePreopenBoundary);
 });
 
-test('main header clock follows minute boundaries only while game-server contact is recent', async ({
+test('main header clock follows minute boundaries only while the turn engine is running', async ({
     page,
 }, testInfo) => {
     const state: NavigationFixture = {
@@ -2052,6 +2054,7 @@ test('main header clock follows minute boundaries only while game-server contact
         serverWallTime: '2026-08-13T00:00:00.000Z',
         clockMode: 'realtime',
         clockRunning: true,
+        turnEngineRunning: true,
     };
     await installRealtimeHarness(page);
     await installFixture(page, state);
@@ -2063,37 +2066,42 @@ test('main header clock follows minute boundaries only while game-server contact
     const clock = page.locator('.execution-status');
     const initialRequestCount = state.trpcRequests?.length ?? 0;
     await expect(clock).toHaveText('현재 시각: 08-13 09:00');
-    await expect(clock).not.toHaveClass(/execution-status--stale/u);
+    await expect(clock).not.toHaveClass(/execution-status--stopped/u);
 
     await page.clock.runFor(25_000);
     await expect(clock).toHaveText('현재 시각: 08-13 09:01');
 
-    await page.clock.runFor(21_000);
-    await expect(clock).toHaveClass(/execution-status--stale/u);
-    await expect(clock).toHaveAttribute('title', '최근 45초 동안 서버 통신이 없어 시각 갱신을 멈췄습니다.');
+    await page.evaluate(() => {
+        (window as unknown as { __emitMainRealtime: (type: string, value: unknown) => void }).__emitMainRealtime(
+            'ping',
+            { turnEngineRunning: false }
+        );
+    });
+    await expect(clock).toHaveClass(/execution-status--stopped/u);
+    await expect(clock).toHaveAttribute('title', '턴 엔진이 정지하여 현재 시각 보정을 멈췄습니다.');
     await expect.poll(() => clock.evaluate((element) => getComputedStyle(element).color)).toBe('rgb(255, 0, 255)');
-    const staleDesktopGeometry = await clock.evaluate((element) => ({
+    const stoppedDesktopGeometry = await clock.evaluate((element) => ({
         rect: element.getBoundingClientRect().toJSON(),
         overflow: element.scrollWidth - element.clientWidth,
         color: getComputedStyle(element).color,
         fontSize: getComputedStyle(element).fontSize,
         lineHeight: getComputedStyle(element).lineHeight,
     }));
-    expect(staleDesktopGeometry.rect.width).toBeCloseTo(333.33, 0);
-    expect(staleDesktopGeometry.rect.height).toBeGreaterThanOrEqual(36);
-    expect(staleDesktopGeometry.overflow).toBeLessThanOrEqual(0);
-    await clock.screenshot({ path: testInfo.outputPath('main-header-clock-stale-desktop-1200.png') });
-    await page.clock.runFor(60_000);
+    expect(stoppedDesktopGeometry.rect.width).toBeCloseTo(333.33, 0);
+    expect(stoppedDesktopGeometry.rect.height).toBeGreaterThanOrEqual(36);
+    expect(stoppedDesktopGeometry.overflow).toBeLessThanOrEqual(0);
+    await clock.screenshot({ path: testInfo.outputPath('main-header-clock-stopped-desktop-1200.png') });
+    await page.clock.runFor(81_000);
     await expect(clock).toHaveText('현재 시각: 08-13 09:01');
 
     await page.evaluate(() => {
         (window as unknown as { __emitMainRealtime: (type: string, value: unknown) => void }).__emitMainRealtime(
             'ping',
-            {}
+            { turnEngineRunning: true }
         );
     });
     await expect(clock).toHaveText('현재 시각: 08-13 09:02');
-    await expect(clock).not.toHaveClass(/execution-status--stale/u);
+    await expect(clock).not.toHaveClass(/execution-status--stopped/u);
     await page.clock.runFor(39_000);
     await expect(clock).toHaveText('현재 시각: 08-13 09:03');
     await expect.poll(() => clock.evaluate((element) => getComputedStyle(element).color)).toBe('rgb(0, 255, 255)');
@@ -2114,7 +2122,7 @@ test('main header clock follows minute boundaries only while game-server contact
         clock.screenshot({ path: testInfo.outputPath('main-header-clock-fresh-mobile-500.png') }),
         writeFile(
             testInfo.outputPath('main-header-clock-geometry.json'),
-            `${JSON.stringify({ staleDesktopGeometry, freshMobileGeometry }, null, 2)}\n`
+            `${JSON.stringify({ stoppedDesktopGeometry, freshMobileGeometry }, null, 2)}\n`
         ),
     ]);
     expect(state.trpcRequests?.length ?? 0).toBe(initialRequestCount);
diff --git a/app/game-frontend/src/components/main/MainFrontStatus.vue b/app/game-frontend/src/components/main/MainFrontStatus.vue
index b8e5d1d2..037bbb14 100644
--- a/app/game-frontend/src/components/main/MainFrontStatus.vue
+++ b/app/game-frontend/src/components/main/MainFrontStatus.vue
@@ -2,11 +2,6 @@
 import { formatServerDateTime } from '@sammo-ts/common/time/ServerDateTime';
 import { computed, onUnmounted, ref, watch } from 'vue';
 import { resolveTournamentStageName } from '../../utils/tournamentStatus';
-import {
-    GAME_SERVER_ACTIVITY_FRESHNESS_MS,
-    gameServerActivity,
-    isRecentGameServerActivity,
-} from '../../utils/gameServerActivity';
 import {
     millisecondsUntilNextMinute,
     projectServerClock,
@@ -21,6 +16,7 @@ const props = defineProps<{
     clockMode?: 'realtime' | 'manual';
     clockRunning?: boolean;
     clockStartsAt?: string | null;
+    turnEngineRunning?: boolean | null;
     status: {
         onlineUserCount: number;
         onlineNations: string;
@@ -38,10 +34,12 @@ const props = defineProps<{
 const tournamentStatus = computed(() => resolveTournamentStageName(props.tournamentStage));
 const currentServerTime = ref('기록 없음');
 const hasServerClock = ref(false);
-const serverClockFresh = ref(false);
+const turnEngineStopped = computed(() => props.turnEngineRunning === false);
+const turnEngineStatusUnknown = computed(() => typeof props.turnEngineRunning !== 'boolean');
 const serverClockTitle = computed(() => {
     if (!hasServerClock.value) return '서버 시각을 아직 받지 못했습니다.';
-    if (!serverClockFresh.value) return '최근 45초 동안 서버 통신이 없어 시각 갱신을 멈췄습니다.';
+    if (turnEngineStopped.value) return '턴 엔진이 정지하여 현재 시각 보정을 멈췄습니다.';
+    if (turnEngineStatusUnknown.value) return '턴 엔진 진행 상태를 확인하지 못했습니다.';
     return undefined;
 });
 
@@ -54,7 +52,6 @@ const updateServerClock = () => {
     if (serverClockSample === null) {
         currentServerTime.value = '기록 없음';
         hasServerClock.value = false;
-        serverClockFresh.value = false;
         return;
     }
 
@@ -65,16 +62,14 @@ const updateServerClock = () => {
         fallback: '기록 없음',
     });
     hasServerClock.value = true;
+    if (props.turnEngineRunning !== true) return;
 
-    const lastContactAt = gameServerActivity.lastContactAt.value;
-    serverClockFresh.value = isRecentGameServerActivity(lastContactAt, now);
-    if (!serverClockFresh.value || lastContactAt === null) return;
-
-    const nextDelays = [lastContactAt + GAME_SERVER_ACTIVITY_FRESHNESS_MS - now + 1];
+    const nextDelays: number[] = [];
     if (serverClockSample.clockMode !== 'manual' && serverClockSample.startDelayMs !== null) {
         const untilStartMs = serverClockSample.startDelayMs - projection.clientElapsedMs;
         nextDelays.push(untilStartMs > 0 ? untilStartMs : millisecondsUntilNextMinute(projection.time));
     }
+    if (nextDelays.length === 0) return;
     serverClockTimer = setTimeout(updateServerClock, Math.max(1, Math.min(...nextDelays)));
 };
 
@@ -86,7 +81,7 @@ watch(
     },
     { immediate: true }
 );
-watch(() => gameServerActivity.lastContactAt.value, updateServerClock);
+watch(() => props.turnEngineRunning, updateServerClock);
 
 onUnmounted(() => {
     if (serverClockTimer !== undefined) clearTimeout(serverClockTimer);
@@ -100,7 +95,8 @@ onUnmounted(() => {
                 class="status-row execution-status"
                 :class="{
                     'execution-status--empty': !hasServerClock,
-                    'execution-status--stale': hasServerClock && !serverClockFresh,
+                    'execution-status--stopped': hasServerClock && turnEngineStopped,
+                    'execution-status--unknown': hasServerClock && turnEngineStatusUnknown,
                 }"
                 :title="serverClockTitle"
             >
@@ -195,10 +191,14 @@ onUnmounted(() => {
     color: magenta;
 }
 
-.execution-status--stale {
+.execution-status--stopped {
     color: magenta;
 }
 
+.execution-status--unknown {
+    color: #aaa;
+}
+
 .vote-label {
     color: cyan;
 }
diff --git a/app/game-frontend/src/stores/mainDashboard.ts b/app/game-frontend/src/stores/mainDashboard.ts
index ad44ed3f..ed15d8ca 100644
--- a/app/game-frontend/src/stores/mainDashboard.ts
+++ b/app/game-frontend/src/stores/mainDashboard.ts
@@ -81,7 +81,12 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         tournamentType?: TournamentType | null;
     };
     type DashboardTabMessage =
-        { kind: 'patch'; patch: DashboardReadModelPatch } | { kind: 'status'; status: 'idle' | 'connected' };
+        | { kind: 'patch'; patch: DashboardReadModelPatch }
+        | {
+              kind: 'status';
+              status: 'idle' | 'connected';
+              turnEngineRunning?: boolean | null;
+          };
 
     const loading = ref(false);
     const refreshing = ref(false);
@@ -467,6 +472,14 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
         }
     };
 
+    const applyTurnEngineRunning = (turnEngineRunning: boolean | null | undefined) => {
+        if (turnEngineRunning === undefined || !lobbyInfo.value) return;
+        lobbyInfo.value = structurallyShare(lobbyInfo.value, {
+            ...lobbyInfo.value,
+            turnEngineRunning,
+        });
+    };
+
     const currentDashboardPatch = (): DashboardReadModelPatch => {
         const patch: DashboardReadModelPatch = {};
         patch.contextSnapshot = toRaw(contextSnapshot);
@@ -1115,6 +1128,7 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
                     return;
                 }
                 realtimeStatus.value = message.status;
+                applyTurnEngineRunning(message.turnEngineRunning);
                 if (message.status === 'connected') markGameServerContact();
             },
         });
@@ -1209,11 +1223,27 @@ export const useMainDashboardStore = defineStore('mainDashboard', () => {
             markGameServerContact();
             void refreshMessages();
         });
-        source.addEventListener('ping', () => {
+        source.addEventListener('ping', (event) => {
+            let turnEngineRunning: boolean | null | undefined;
+            if (event instanceof MessageEvent && typeof event.data === 'string') {
+                try {
+                    const payload = JSON.parse(event.data) as { turnEngineRunning?: unknown };
+                    if (typeof payload.turnEngineRunning === 'boolean' || payload.turnEngineRunning === null) {
+                        turnEngineRunning = payload.turnEngineRunning;
+                    }
+                } catch {
+                    // Older APIs send an empty heartbeat. Keep the last explicit engine state.
+                }
+            }
+            applyTurnEngineRunning(turnEngineRunning);
             markGameServerContact();
             if (realtimeEnabled.value) {
                 realtimeStatus.value = 'connected';
-                realtimeCoordinator?.postFromLeader({ kind: 'status', status: 'connected' });
+                realtimeCoordinator?.postFromLeader({
+                    kind: 'status',
+                    status: 'connected',
+                    ...(turnEngineRunning === undefined ? {} : { turnEngineRunning }),
+                });
             }
         });
     };
diff --git a/app/game-frontend/src/views/MainView.vue b/app/game-frontend/src/views/MainView.vue
index d5de7c4b..1a782515 100644
--- a/app/game-frontend/src/views/MainView.vue
+++ b/app/game-frontend/src/views/MainView.vue
@@ -253,6 +253,7 @@ watch(
                 :clock-mode="lobbyInfo?.clockMode"
                 :clock-running="lobbyInfo?.clockRunning"
                 :clock-starts-at="lobbyInfo?.clockStartsAt"
+                :turn-engine-running="lobbyInfo?.turnEngineRunning"
             />
         </div>
 
diff --git a/app/gateway-frontend/e2e/legacy-log-html.spec.ts b/app/gateway-frontend/e2e/legacy-log-html.spec.ts
index 3773e1df..e525ec94 100644
--- a/app/gateway-frontend/e2e/legacy-log-html.spec.ts
+++ b/app/gateway-frontend/e2e/legacy-log-html.spec.ts
@@ -115,6 +115,13 @@ for (const viewport of [
         await expect(lines.nth(1)).toContainText('<span class="name" onclick=');
         expect(await page.evaluate(() => (globalThis as Record<string, unknown>).__legacyLogXss)).toBeUndefined();
 
+        const pageFontFamily = await page.locator('body').evaluate((element) => getComputedStyle(element).fontFamily);
+        const historyFontFamily = await page
+            .locator('.status-history')
+            .evaluate((element) => getComputedStyle(element).fontFamily);
+        expect(historyFontFamily).toBe(pageFontFamily);
+        expect(historyFontFamily).toContain('Pretendard');
+
         const geometry = await lines.evaluateAll((elements) =>
             elements.map((element) => {
                 const rect = element.getBoundingClientRect();
@@ -144,7 +151,7 @@ for (const viewport of [
             const name = `legacy-log-gateway-${viewport.name}`;
             await writeFile(
                 resolve(artifactRoot, `${name}.json`),
-                `${JSON.stringify({ viewport, geometry }, null, 2)}\n`,
+                `${JSON.stringify({ viewport, pageFontFamily, historyFontFamily, geometry }, null, 2)}\n`,
                 'utf8'
             );
             await page.screenshot({ path: resolve(artifactRoot, `${name}.png`), fullPage: true });
diff --git a/app/gateway-frontend/src/views/HomeView.vue b/app/gateway-frontend/src/views/HomeView.vue
index 03361fd6..932f5ddf 100644
--- a/app/gateway-frontend/src/views/HomeView.vue
+++ b/app/gateway-frontend/src/views/HomeView.vue
@@ -362,7 +362,7 @@ const handlePasswordReset = async (): Promise<void> => {
     border-top: 1px solid #444;
     padding: 8px 12px;
     color: #ddd;
-    font-family: 'Times New Roman', serif;
+    font-family: inherit;
     font-size: 14px;
     line-height: 1.35;
 }
diff --git a/app/gateway-frontend/test/fontContract.test.mjs b/app/gateway-frontend/test/fontContract.test.mjs
new file mode 100644
index 00000000..d8ca7d12
--- /dev/null
+++ b/app/gateway-frontend/test/fontContract.test.mjs
@@ -0,0 +1,43 @@
+import assert from 'node:assert/strict';
+import { readFile, readdir } from 'node:fs/promises';
+import path from 'node:path';
+import { describe, it } from 'node:test';
+
+const sourceRoot = path.resolve(import.meta.dirname, '../src');
+const fontFamilyDeclaration = /font-family\s*:\s*([^;]+);/g;
+const fontShorthandDeclaration = /(?:^|[\s{])font\s*:\s*([^;]+);/gm;
+const forcedSerifFamily = /Times New Roman|(?<![\w-])serif(?![\w-])/i;
+
+const listStyleSources = async () => {
+    const entries = await readdir(sourceRoot, { recursive: true, withFileTypes: true });
+
+    return entries
+        .filter((entry) => entry.isFile() && (entry.name.endsWith('.css') || entry.name.endsWith('.vue')))
+        .map((entry) => path.join(entry.parentPath, entry.name))
+        .sort();
+};
+
+describe('gateway content font contract', () => {
+    it('does not force Times New Roman or a generic serif family', async () => {
+        const violations = [];
+
+        for (const file of await listStyleSources()) {
+            const source = await readFile(file, 'utf8');
+            for (const match of source.matchAll(fontFamilyDeclaration)) {
+                const value = match[1]?.trim() ?? '';
+                if (forcedSerifFamily.test(value)) {
+                    violations.push(`${path.relative(sourceRoot, file)}: font-family: ${value}`);
+                }
+            }
+
+            for (const match of source.matchAll(fontShorthandDeclaration)) {
+                const value = match[1]?.trim() ?? '';
+                if (forcedSerifFamily.test(value)) {
+                    violations.push(`${path.relative(sourceRoot, file)}: font: ${value}`);
+                }
+            }
+        }
+
+        assert.deepEqual(violations, []);
+    });
+});
diff --git a/packages/logic/src/actions/turn/commandProfile.ts b/packages/logic/src/actions/turn/commandProfile.ts
index 8d52917f..f40a574f 100644
--- a/packages/logic/src/actions/turn/commandProfile.ts
+++ b/packages/logic/src/actions/turn/commandProfile.ts
@@ -1,10 +1,14 @@
-import { GENERAL_TURN_COMMAND_KEYS, isGeneralTurnCommandKey, type GeneralTurnCommandKey } from './general/index.js';
+import {
+    SELECTABLE_GENERAL_TURN_COMMAND_KEYS,
+    isSelectableGeneralTurnCommandKey,
+    type SelectableGeneralTurnCommandKey,
+} from './general/index.js';
 import { NATION_TURN_COMMAND_KEYS, isNationTurnCommandKey, type NationTurnCommandKey } from './nation/index.js';
 import { asStringArray, isRecord } from '@sammo-ts/common';
 import { TurnCommandProfileInputSchema } from '../../resources/turnCommandSchema.js';
 
 export interface TurnCommandProfile {
-    general: GeneralTurnCommandKey[];
+    general: SelectableGeneralTurnCommandKey[];
     nation: NationTurnCommandKey[];
 }
 
@@ -15,7 +19,7 @@ export interface TurnCommandGroup<Key extends string> {
 
 export interface ScenarioTurnCommandProfileResolution {
     profile: TurnCommandProfile;
-    generalGroups: Array<TurnCommandGroup<GeneralTurnCommandKey>> | null;
+    generalGroups: Array<TurnCommandGroup<SelectableGeneralTurnCommandKey>> | null;
     nationGroups: Array<TurnCommandGroup<NationTurnCommandKey>> | null;
 }
 
@@ -49,7 +53,7 @@ const parseKeyList = <T extends string>(options: {
 };
 
 export const DEFAULT_TURN_COMMAND_PROFILE: TurnCommandProfile = {
-    general: [...GENERAL_TURN_COMMAND_KEYS],
+    general: [...SELECTABLE_GENERAL_TURN_COMMAND_KEYS],
     nation: [...NATION_TURN_COMMAND_KEYS],
 };
 
@@ -62,7 +66,7 @@ export const parseTurnCommandProfile = (raw: unknown): TurnCommandProfile => {
     return {
         general: parseKeyList({
             raw: data.general,
-            isKey: isGeneralTurnCommandKey,
+            isKey: isSelectableGeneralTurnCommandKey,
             label: 'general',
         }),
         nation: parseKeyList({
@@ -133,7 +137,7 @@ export const resolveScenarioTurnCommandProfile = (
     const config = isRecord(scenarioConst) ? scenarioConst : {};
     const generalGroups = parseScenarioCommandGroups({
         raw: config.availableGeneralCommand,
-        isKey: isGeneralTurnCommandKey,
+        isKey: isSelectableGeneralTurnCommandKey,
         label: 'general',
     });
     const nationGroups = parseScenarioCommandGroups({
diff --git a/packages/logic/src/actions/turn/general/index.ts b/packages/logic/src/actions/turn/general/index.ts
index ebd40290..b6a8f541 100644
--- a/packages/logic/src/actions/turn/general/index.ts
+++ b/packages/logic/src/actions/turn/general/index.ts
@@ -60,6 +60,21 @@ export const GENERAL_TURN_COMMAND_KEYS = [
 
 export type GeneralTurnCommandKey = (typeof GENERAL_TURN_COMMAND_KEYS)[number];
 
+/**
+ * 엔진·서신·월간 이벤트만 생성할 수 있고 예약 API의 사용자 입력으로는
+ * 노출하지 않는 명령입니다. 저장된 예약 턴은 문자열 action을 유지하므로,
+ * 입력 경계와 실행 경계를 서로 다른 집합으로 관리합니다.
+ */
+export const INTERNAL_GENERAL_TURN_COMMAND_KEYS = [
+    'che_등용수락',
+    'che_방랑',
+    'che_NPC능동',
+] as const satisfies readonly GeneralTurnCommandKey[];
+
+export type InternalGeneralTurnCommandKey = (typeof INTERNAL_GENERAL_TURN_COMMAND_KEYS)[number];
+
+export type SelectableGeneralTurnCommandKey = Exclude<GeneralTurnCommandKey, InternalGeneralTurnCommandKey>;
+
 export type GeneralTurnCommandSpec = TurnCommandSpecBase<GeneralTurnCommandKey>;
 
 export type GeneralTurnCommandModule = TurnCommandModule<GeneralTurnCommandSpec>;
@@ -127,6 +142,20 @@ const defaultImporters: Record<GeneralTurnCommandKey, GeneralTurnCommandImporter
 export const isGeneralTurnCommandKey = (value: string): value is GeneralTurnCommandKey =>
     GENERAL_TURN_COMMAND_KEYS.includes(value as GeneralTurnCommandKey);
 
+const internalGeneralTurnCommandKeySet: ReadonlySet<GeneralTurnCommandKey> = new Set(
+    INTERNAL_GENERAL_TURN_COMMAND_KEYS
+);
+
+export const isInternalGeneralTurnCommandKey = (value: string): value is InternalGeneralTurnCommandKey =>
+    isGeneralTurnCommandKey(value) && internalGeneralTurnCommandKeySet.has(value);
+
+export const isSelectableGeneralTurnCommandKey = (value: string): value is SelectableGeneralTurnCommandKey =>
+    isGeneralTurnCommandKey(value) && !internalGeneralTurnCommandKeySet.has(value);
+
+export const SELECTABLE_GENERAL_TURN_COMMAND_KEYS = GENERAL_TURN_COMMAND_KEYS.filter(
+    (key): key is SelectableGeneralTurnCommandKey => !internalGeneralTurnCommandKeySet.has(key)
+);
+
 export class GeneralTurnCommandLoader {
     private readonly cache = new Map<GeneralTurnCommandKey, Promise<GeneralTurnCommandModule>>();
 
diff --git a/tools/integration-tests/src/turn-differential/coreCommandTrace.ts b/tools/integration-tests/src/turn-differential/coreCommandTrace.ts
index 73f2fa00..3b4ea3e8 100644
--- a/tools/integration-tests/src/turn-differential/coreCommandTrace.ts
+++ b/tools/integration-tests/src/turn-differential/coreCommandTrace.ts
@@ -2,6 +2,7 @@ import { GameClock, LiteHashDRBG, RandUtil, type RNG } from '@sammo-ts/common';
 import { readLegacyStoredFloat } from '@sammo-ts/logic/compat/legacyFloat.js';
 import {
     GENERAL_TURN_COMMAND_KEYS,
+    isSelectableGeneralTurnCommandKey,
     LogFormat,
     NATION_TURN_COMMAND_KEYS,
     normalizeScenarioEffect,
@@ -12,6 +13,7 @@ import {
     type MessageRecordDraft,
     type Nation,
     type TurnCommandProfile,
+    type SelectableGeneralTurnCommandKey,
     type UnitSetDefinition,
 } from '@sammo-ts/logic';
 import { InMemoryTurnWorld } from '@sammo-ts/game-engine/turn/inMemoryWorld.js';
@@ -239,14 +241,14 @@ export const createCoreTurnCommandProfile = (request: TurnCommandFixtureRequest)
         if (!GENERAL_TURN_COMMAND_KEYS.includes(request.action as (typeof GENERAL_TURN_COMMAND_KEYS)[number])) {
             throw new Error(`Unknown general command: ${request.action}`);
         }
-        const generalActions = [
-            request.action,
-            ...configuredGeneralActions,
+        const generalActions: SelectableGeneralTurnCommandKey[] = [
+            ...(isSelectableGeneralTurnCommandKey(request.action) ? [request.action] : []),
+            ...configuredGeneralActions.filter(isSelectableGeneralTurnCommandKey),
             '휴식',
             'che_인재탐색',
             'che_해산',
             'che_이동',
-        ] as Array<(typeof GENERAL_TURN_COMMAND_KEYS)[number]>;
+        ];
         return {
             general: [...new Set(generalActions)],
             nation: [...new Set(['휴식', ...configuredNationActions])] as Array<
@@ -257,10 +259,12 @@ export const createCoreTurnCommandProfile = (request: TurnCommandFixtureRequest)
     if (!NATION_TURN_COMMAND_KEYS.includes(request.action as (typeof NATION_TURN_COMMAND_KEYS)[number])) {
         throw new Error(`Unknown nation command: ${request.action}`);
     }
+    const generalActions: SelectableGeneralTurnCommandKey[] = [
+        '휴식',
+        ...configuredGeneralActions.filter(isSelectableGeneralTurnCommandKey),
+    ];
     return {
-        general: [...new Set(['휴식', ...configuredGeneralActions])] as Array<
-            (typeof GENERAL_TURN_COMMAND_KEYS)[number]
-        >,
+        general: [...new Set(generalActions)],
         nation: [
             ...new Set([
                 request.action as (typeof NATION_TURN_COMMAND_KEYS)[number],