diff --git a/app/game-api/test/reservedTurns.test.ts b/app/game-api/test/reservedTurns.test.ts
index 704d9be..ea64eec 100644
--- a/app/game-api/test/reservedTurns.test.ts
+++ b/app/game-api/test/reservedTurns.test.ts
@@ -14,6 +14,18 @@ const buildDb = () => {
     const generalTurns = new Map<number, GeneralTurnRow[]>();
     const nationTurns = new Map<string, NationTurnRow[]>();
 
+    type GeneralTurnFindManyArgs = Parameters<DatabaseClient['generalTurn']['findMany']>[0];
+    type GeneralTurnDeleteManyArgs = NonNullable<Parameters<DatabaseClient['generalTurn']['deleteMany']>[0]>;
+    type GeneralTurnCreateManyArgs = NonNullable<Parameters<DatabaseClient['generalTurn']['createMany']>[0]>;
+    type GeneralTurnCreateManyData = GeneralTurnCreateManyArgs['data'];
+    type GeneralTurnCreateManyRow = GeneralTurnCreateManyData extends Array<infer Row> ? Row : never;
+
+    type NationTurnFindManyArgs = Parameters<DatabaseClient['nationTurn']['findMany']>[0];
+    type NationTurnDeleteManyArgs = NonNullable<Parameters<DatabaseClient['nationTurn']['deleteMany']>[0]>;
+    type NationTurnCreateManyArgs = NonNullable<Parameters<DatabaseClient['nationTurn']['createMany']>[0]>;
+    type NationTurnCreateManyData = NationTurnCreateManyArgs['data'];
+    type NationTurnCreateManyRow = NationTurnCreateManyData extends Array<infer Row> ? Row : never;
+
     const db = {
         worldState: {
             findFirst: async () => null,
@@ -28,13 +40,18 @@ const buildDb = () => {
             findUnique: async () => null,
         },
         generalTurn: {
-            findMany: async ({ where }: any) => generalTurns.get(where.generalId) ?? [],
-            deleteMany: async ({ where }: any) => {
-                generalTurns.delete(where.generalId);
+            findMany: async (args?: GeneralTurnFindManyArgs) => {
+                const generalId = typeof args?.where?.generalId === 'number' ? args.where.generalId : undefined;
+                return generalId !== undefined ? (generalTurns.get(generalId) ?? []) : [];
+            },
+            deleteMany: async ({ where }: GeneralTurnDeleteManyArgs) => {
+                if (typeof where.generalId === 'number') {
+                    generalTurns.delete(where.generalId);
+                }
                 return {};
             },
-            createMany: async ({ data }: any) => {
-                const rows = data.map((row: any, index: number) => ({
+            createMany: async ({ data }: GeneralTurnCreateManyArgs) => {
+                const rows = data.map((row: GeneralTurnCreateManyRow, index: number) => ({
                     id: index + 1,
                     generalId: row.generalId,
                     turnIdx: row.turnIdx,
@@ -49,13 +66,23 @@ const buildDb = () => {
             },
         },
         nationTurn: {
-            findMany: async ({ where }: any) => nationTurns.get(`${where.nationId}:${where.officerLevel}`) ?? [],
-            deleteMany: async ({ where }: any) => {
-                nationTurns.delete(`${where.nationId}:${where.officerLevel}`);
+            findMany: async (args?: NationTurnFindManyArgs) => {
+                const nationId = typeof args?.where?.nationId === 'number' ? args.where.nationId : undefined;
+                const officerLevel =
+                    typeof args?.where?.officerLevel === 'number' ? args.where.officerLevel : undefined;
+                if (nationId === undefined || officerLevel === undefined) {
+                    return [];
+                }
+                return nationTurns.get(`${nationId}:${officerLevel}`) ?? [];
+            },
+            deleteMany: async ({ where }: NationTurnDeleteManyArgs) => {
+                if (typeof where.nationId === 'number' && typeof where.officerLevel === 'number') {
+                    nationTurns.delete(`${where.nationId}:${where.officerLevel}`);
+                }
                 return {};
             },
-            createMany: async ({ data }: any) => {
-                const rows = data.map((row: any, index: number) => ({
+            createMany: async ({ data }: NationTurnCreateManyArgs) => {
+                const rows = data.map((row: NationTurnCreateManyRow, index: number) => ({
                     id: index + 1,
                     nationId: row.nationId,
                     officerLevel: row.officerLevel,
diff --git a/app/game-api/test/router.test.ts b/app/game-api/test/router.test.ts
index 8cc85c5..0e87826 100644
--- a/app/game-api/test/router.test.ts
+++ b/app/game-api/test/router.test.ts
@@ -1,6 +1,7 @@
 import { describe, expect, it } from 'vitest';
 
-import type { GameApiContext, GameProfile, WorldStateRow } from '../src/context.js';
+import type { DatabaseClient, GameApiContext, GameProfile, WorldStateRow } from '../src/context.js';
+import type { RedisConnector } from '@sammo-ts/infra';
 import { InMemoryBattleSimTransport } from '../src/battleSim/inMemoryTransport.js';
 import { InMemoryTurnDaemonTransport } from '../src/daemon/inMemoryTransport.js';
 import { appRouter } from '../src/router.js';
@@ -43,12 +44,12 @@ const buildContext = (options?: {
         },
     };
     return {
-        db: db as any,
+        db: db as unknown as DatabaseClient,
         turnDaemon: transport,
         battleSim,
         profile,
         auth: null,
-        redis: {} as any,
+        redis: {} as unknown as RedisConnector['client'],
     };
 };
 
diff --git a/app/gateway-api/test/authFlow.test.ts b/app/gateway-api/test/authFlow.test.ts
index 953566b..1ca1754 100644
--- a/app/gateway-api/test/authFlow.test.ts
+++ b/app/gateway-api/test/authFlow.test.ts
@@ -3,9 +3,11 @@ import { describe, expect, it } from 'vitest';
 import { InMemoryGatewaySessionService } from '../src/auth/inMemorySessionService.js';
 import { createInMemoryUserRepository } from '../src/auth/inMemoryUserRepository.js';
 import { InMemoryOAuthSessionStore } from '../src/auth/oauthSessionStore.js';
+import type { KakaoOAuthClient } from '../src/auth/kakaoClient.js';
 import { createGatewayApiContext } from '../src/context.js';
 import { InMemoryProfileStatusService } from '../src/lobby/profileStatusService.js';
 import { appRouter } from '../src/router.js';
+import type { GatewayPrismaClient } from '@sammo-ts/infra';
 
 const buildCaller = () => {
     const users = createInMemoryUserRepository();
@@ -76,14 +78,14 @@ const buildCaller = () => {
             flushPublisher,
             gameTokenSecret: 'test-secret',
             gameSessionTtlSeconds: 600,
-            kakaoClient: kakaoClient as any,
+            kakaoClient: kakaoClient as unknown as KakaoOAuthClient,
             oauthSessions,
             publicBaseUrl: 'http://localhost',
             profiles,
             orchestrator,
             profileStatus,
             requestHeaders: {},
-            prisma: {} as any,
+            prisma: {} as unknown as GatewayPrismaClient,
         })
     );
     return { caller, oauthSessions };
diff --git a/app/gateway-frontend/src/views/LobbyView.vue b/app/gateway-frontend/src/views/LobbyView.vue
index 9967ede..7ee2579 100644
--- a/app/gateway-frontend/src/views/LobbyView.vue
+++ b/app/gateway-frontend/src/views/LobbyView.vue
@@ -1,15 +1,24 @@
 <script setup lang="ts">
 import { ref, onMounted } from 'vue';
 import { useRouter } from 'vue-router';
+import type { inferRouterOutputs } from '@trpc/server';
+import type { AppRouter } from '@sammo-ts/gateway-api';
 import DefaultLayout from '../layouts/DefaultLayout.vue';
 import { trpc } from '../utils/trpc';
 import { createGameTrpc } from '../utils/gameTrpc';
+import type { GameRouter } from '../utils/gameTrpc';
+
+type GatewayRouterOutput = inferRouterOutputs<AppRouter>;
+type GameRouterOutput = inferRouterOutputs<GameRouter>;
+type MeOutput = GatewayRouterOutput['me'];
+type LobbyProfile = GatewayRouterOutput['lobby']['profiles'][number];
+type LobbyInfo = GameRouterOutput['lobby']['info'];
 
 const router = useRouter();
-const me = ref<any>(null);
+const me = ref<MeOutput>(null);
 const notice = ref('');
-const profiles = ref<any[]>([]);
-const profileDetails = ref<Record<string, any>>({});
+const profiles = ref<LobbyProfile[]>([]);
+const profileDetails = ref<Record<string, LobbyInfo | undefined>>({});
 
 onMounted(async () => {
     try {
diff --git a/packages/logic/src/actions/turn/commandModule.ts b/packages/logic/src/actions/turn/commandModule.ts
index f71bf55..b48ed40 100644
--- a/packages/logic/src/actions/turn/commandModule.ts
+++ b/packages/logic/src/actions/turn/commandModule.ts
@@ -13,8 +13,8 @@ export interface TurnCommandSpecBase<TKey extends string = string> {
 
 export interface TurnCommandModule<TSpec extends TurnCommandSpecBase = TurnCommandSpecBase> {
     commandSpec: TSpec;
-    ActionDefinition: new (...args: any[]) => GeneralActionDefinition;
-    ActionResolver?: new (...args: any[]) => GeneralActionResolver;
-    CommandResolver?: new (...args: any[]) => any;
+    ActionDefinition: new (...args: unknown[]) => GeneralActionDefinition;
+    ActionResolver?: new (...args: unknown[]) => GeneralActionResolver;
+    CommandResolver?: new (...args: unknown[]) => unknown;
     actionContextBuilder?: ActionContextBuilder;
 }
diff --git a/packages/logic/src/actions/turn/general/che_군량매매.ts b/packages/logic/src/actions/turn/general/che_군량매매.ts
index f390183..4c27473 100644
--- a/packages/logic/src/actions/turn/general/che_군량매매.ts
+++ b/packages/logic/src/actions/turn/general/che_군량매매.ts
@@ -35,7 +35,9 @@ export class ActionDefinition<
         if (typeof raw !== 'object' || raw === null) {
             return null;
         }
-        const { buyRice, amount } = raw as any;
+        const record = raw as Record<string, unknown>;
+        const buyRice = record.buyRice;
+        const amount = record.amount;
         if (typeof buyRice !== 'boolean' || typeof amount !== 'number') {
             return null;
         }
diff --git a/packages/logic/src/triggers/special/war/aux.ts b/packages/logic/src/triggers/special/war/aux.ts
new file mode 100644
index 0000000..e84ab3f
--- /dev/null
+++ b/packages/logic/src/triggers/special/war/aux.ts
@@ -0,0 +1,34 @@
+export interface WarDexAux {
+    isAttacker?: boolean;
+    opposeType?: { armType: number };
+}
+
+const isRecord = (value: unknown): value is Record<string, unknown> => value !== null && typeof value === 'object';
+
+export const parseWarDexAux = (aux: unknown): WarDexAux => {
+    if (!isRecord(aux)) {
+        return {};
+    }
+
+    const isAttacker = typeof aux.isAttacker === 'boolean' ? aux.isAttacker : undefined;
+    const opposeRaw = aux.opposeType;
+
+    if (!isRecord(opposeRaw)) {
+        return { isAttacker };
+    }
+
+    const armType = opposeRaw.armType;
+    if (typeof armType !== 'number') {
+        return { isAttacker };
+    }
+
+    return { isAttacker, opposeType: { armType } };
+};
+
+export const getAuxArmType = (aux: unknown): number | undefined => {
+    if (!isRecord(aux)) {
+        return undefined;
+    }
+    const armType = aux.armType;
+    return typeof armType === 'number' ? armType : undefined;
+};
diff --git a/packages/logic/src/triggers/special/war/che_견고.ts b/packages/logic/src/triggers/special/war/che_견고.ts
index 6de870b..6a46bd6 100644
--- a/packages/logic/src/triggers/special/war/che_견고.ts
+++ b/packages/logic/src/triggers/special/war/che_견고.ts
@@ -44,12 +44,12 @@ export const traitModule: TraitModule = {
     kind: 'war',
     getName: () => '견고',
     getInfo: () => '[전투] 상대 필살 확률 -20%p, 상대 계략 시도시 성공 확률 -10%p, 부상 없음, 아군 피해 -10%',
-    onCalcOpposeStat: (_context, statName, value: any, _aux) => {
-        if (statName === 'warMagicSuccessProb') {
-            return (value as number) - 0.1;
+    onCalcOpposeStat: (_context, statName, value, _aux) => {
+        if (statName === 'warMagicSuccessProb' && typeof value === 'number') {
+            return value - 0.1;
         }
-        if (statName === 'warCriticalRatio') {
-            return (value as number) - 0.2;
+        if (statName === 'warCriticalRatio' && typeof value === 'number') {
+            return value - 0.2;
         }
         return value;
     },
diff --git a/packages/logic/src/triggers/special/war/che_공성.ts b/packages/logic/src/triggers/special/war/che_공성.ts
index a1ad260..80190ad 100644
--- a/packages/logic/src/triggers/special/war/che_공성.ts
+++ b/packages/logic/src/triggers/special/war/che_공성.ts
@@ -4,6 +4,7 @@ import type { WarActionContext } from '@sammo-ts/logic/war/actions.js';
 import type { TraitModule } from '@sammo-ts/logic/triggers/special/types.js';
 import { getMetaNumber } from '@sammo-ts/logic/war/utils.js';
 import { WarUnitCity } from '@sammo-ts/logic/war/units.js';
+import { getAuxArmType, parseWarDexAux } from './aux.js';
 
 function onCalcStat(context: GeneralActionContext, statName: GeneralStatName, value: number, aux?: unknown): number;
 function onCalcStat(
@@ -30,8 +31,7 @@ function onCalcStat(
 
     if (statName.startsWith('dex')) {
         const myDex = getMetaNumber(context.general.meta, `dex${siegeType}`);
-        const isAttacker = (aux as any)?.isAttacker;
-        const opposeType = (aux as any)?.opposeType;
+        const { isAttacker, opposeType } = parseWarDexAux(aux);
 
         if (isAttacker && opposeType && statName === `dex${opposeType.armType}`) {
             return (value as number) + myDex;
@@ -54,10 +54,9 @@ export const traitModule: TraitModule = {
         '[군사] 차병 계통 징·모병비 -10%<br>[전투] 성벽 공격 시 대미지 +100%,<br>공격시 상대 병종에/수비시 자신 병종 숙련에 차병 숙련을 가산',
     onCalcDomestic: (_context, turnType, varType, value, aux) => {
         if (turnType === '징병' || turnType === '모병') {
-            if (varType === 'cost' && aux && typeof aux === 'object' && 'armType' in aux) {
-                if ((aux as any).armType === 4) {
-                    return value * 0.9;
-                }
+            const armType = getAuxArmType(aux);
+            if (varType === 'cost' && armType === 4) {
+                return value * 0.9;
             }
         }
         return value;
diff --git a/packages/logic/src/triggers/special/war/che_궁병.ts b/packages/logic/src/triggers/special/war/che_궁병.ts
index 2b5d87f..4767080 100644
--- a/packages/logic/src/triggers/special/war/che_궁병.ts
+++ b/packages/logic/src/triggers/special/war/che_궁병.ts
@@ -3,6 +3,7 @@ import type { GeneralStatName, WarStatName } from '@sammo-ts/logic/triggers/type
 import type { WarActionContext } from '@sammo-ts/logic/war/actions.js';
 import type { TraitModule } from '@sammo-ts/logic/triggers/special/types.js';
 import { getMetaNumber } from '@sammo-ts/logic/war/utils.js';
+import { getAuxArmType, parseWarDexAux } from './aux.js';
 
 function onCalcStat(context: GeneralActionContext, statName: GeneralStatName, value: number, aux?: unknown): number;
 function onCalcStat(
@@ -33,8 +34,7 @@ function onCalcStat(
 
     if (statName.startsWith('dex')) {
         const myDex = getMetaNumber(context.general.meta, `dex${archerType}`);
-        const isAttacker = (aux as any)?.isAttacker;
-        const opposeType = (aux as any)?.opposeType;
+        const { isAttacker, opposeType } = parseWarDexAux(aux);
 
         if (isAttacker && opposeType && statName === `dex${opposeType.armType}`) {
             return (value as number) + myDex;
@@ -57,12 +57,11 @@ export const traitModule: TraitModule = {
         '[군사] 궁병 계통 징·모병비 -10%<br>[전투] 회피 확률 +20%p,<br>공격시 상대 병종에/수비시 자신 병종 숙련에 궁병 숙련을 가산',
     onCalcDomestic: (_context, turnType, varType, value, aux) => {
         if (turnType === '징병' || turnType === '모병') {
-            if (varType === 'cost' && aux && typeof aux === 'object' && 'armType' in aux) {
-                // Note: In a real scenario, we should check if aux.armType is archer.
-                // Since we don't have easy access to config here, we might need to assume legacy ID 2 or similar.
-                if ((aux as any).armType === 2) {
-                    return value * 0.9;
-                }
+            const armType = getAuxArmType(aux);
+            // Note: In a real scenario, we should check if aux.armType is archer.
+            // Since we don't have easy access to config here, we might need to assume legacy ID 2 or similar.
+            if (varType === 'cost' && armType === 2) {
+                return value * 0.9;
             }
         }
         return value;
diff --git a/packages/logic/src/triggers/special/war/che_기병.ts b/packages/logic/src/triggers/special/war/che_기병.ts
index c26d81e..d28a979 100644
--- a/packages/logic/src/triggers/special/war/che_기병.ts
+++ b/packages/logic/src/triggers/special/war/che_기병.ts
@@ -3,6 +3,7 @@ import type { GeneralStatName, WarStatName } from '@sammo-ts/logic/triggers/type
 import type { WarActionContext } from '@sammo-ts/logic/war/actions.js';
 import type { TraitModule } from '@sammo-ts/logic/triggers/special/types.js';
 import { getMetaNumber } from '@sammo-ts/logic/war/utils.js';
+import { getAuxArmType, parseWarDexAux } from './aux.js';
 
 function onCalcStat(context: GeneralActionContext, statName: GeneralStatName, value: number, aux?: unknown): number;
 function onCalcStat(
@@ -29,8 +30,7 @@ function onCalcStat(
 
     if (statName.startsWith('dex')) {
         const myDex = getMetaNumber(context.general.meta, `dex${cavalryType}`);
-        const isAttacker = (aux as any)?.isAttacker;
-        const opposeType = (aux as any)?.opposeType;
+        const { isAttacker, opposeType } = parseWarDexAux(aux);
 
         if (isAttacker && opposeType && statName === `dex${opposeType.armType}`) {
             return (value as number) + myDex;
@@ -53,10 +53,9 @@ export const traitModule: TraitModule = {
         '[군사] 기병 계통 징·모병비 -10%<br>[전투] 수비 시 대미지 +10%, 공격 시 대미지 +20%,<br>공격시 상대 병종에/수비시 자신 병종 숙련에 기병 숙련을 가산',
     onCalcDomestic: (_context, turnType, varType, value, aux) => {
         if (turnType === '징병' || turnType === '모병') {
-            if (varType === 'cost' && aux && typeof aux === 'object' && 'armType' in aux) {
-                if ((aux as any).armType === 3) {
-                    return value * 0.9;
-                }
+            const armType = getAuxArmType(aux);
+            if (varType === 'cost' && armType === 3) {
+                return value * 0.9;
             }
         }
         return value;
diff --git a/packages/logic/src/triggers/special/war/che_무쌍.ts b/packages/logic/src/triggers/special/war/che_무쌍.ts
index 776b188..b2c0ecd 100644
--- a/packages/logic/src/triggers/special/war/che_무쌍.ts
+++ b/packages/logic/src/triggers/special/war/che_무쌍.ts
@@ -4,6 +4,11 @@ import type { WarActionContext } from '@sammo-ts/logic/war/actions.js';
 import type { TraitModule } from '@sammo-ts/logic/triggers/special/types.js';
 import { getMetaNumber } from '@sammo-ts/logic/war/utils.js';
 
+type WarUnitWithGeneral = WarUnit & { getGeneral: () => { meta: Record<string, unknown> } };
+
+const hasGeneral = (unit: WarUnit): unit is WarUnitWithGeneral =>
+    'getGeneral' in unit && typeof (unit as { getGeneral?: unknown }).getGeneral === 'function';
+
 function onCalcStat(context: GeneralActionContext, statName: GeneralStatName, value: number, aux?: unknown): number;
 function onCalcStat(
     context: WarActionContext,
@@ -17,8 +22,10 @@ function onCalcStat(
     value: number | [number, number],
     aux?: unknown
 ): number | [number, number] {
-    if (statName === 'warCriticalRatio' && (aux as any)?.isAttacker) {
-        return (value as number) + 0.1;
+    const isAttacker = typeof aux === 'object' && aux !== null && (aux as { isAttacker?: unknown }).isAttacker === true;
+
+    if (statName === 'warCriticalRatio' && isAttacker && typeof value === 'number') {
+        return value + 0.1;
     }
     return value;
 }
@@ -36,8 +43,8 @@ export const traitModule: TraitModule = {
         let defenceMultiplier = 0.98;
         // Note: unit.getGeneral() is only available for WarUnitGeneral.
         // In a real scenario, we should check if unit is WarUnitGeneral.
-        if ('getGeneral' in unit) {
-            const killnum = getMetaNumber((unit as any).getGeneral().meta, 'rank_killnum', 0);
+        if (hasGeneral(unit)) {
+            const killnum = getMetaNumber(unit.getGeneral().meta, 'rank_killnum', 0);
             const logVal = Math.log2(Math.max(1, killnum / 5));
             attackMultiplier += logVal / 20;
             defenceMultiplier -= logVal / 50;
diff --git a/packages/logic/src/triggers/special/war/che_반계.ts b/packages/logic/src/triggers/special/war/che_반계.ts
index a8fd518..e353deb 100644
--- a/packages/logic/src/triggers/special/war/che_반계.ts
+++ b/packages/logic/src/triggers/special/war/che_반계.ts
@@ -99,9 +99,9 @@ export const traitModule: TraitModule = {
     getName: () => '반계',
     getInfo: () =>
         '[전투] 상대의 계략 성공 확률 -10%p, 상대의 계략을 40% 확률로 되돌림, 반목 성공시 대미지 추가(+60% → +150%)',
-    onCalcOpposeStat: (_context, statName, value: any, _aux) => {
-        if (statName === 'warMagicSuccessProb') {
-            return (value as number) - 0.1;
+    onCalcOpposeStat: (_context, statName, value, _aux) => {
+        if (statName === 'warMagicSuccessProb' && typeof value === 'number') {
+            return value - 0.1;
         }
         return value;
     },
diff --git a/packages/logic/src/triggers/special/war/che_보병.ts b/packages/logic/src/triggers/special/war/che_보병.ts
index 449d7b1..7a6834f 100644
--- a/packages/logic/src/triggers/special/war/che_보병.ts
+++ b/packages/logic/src/triggers/special/war/che_보병.ts
@@ -3,6 +3,7 @@ import type { GeneralStatName, WarStatName } from '@sammo-ts/logic/triggers/type
 import type { WarActionContext } from '@sammo-ts/logic/war/actions.js';
 import type { TraitModule } from '@sammo-ts/logic/triggers/special/types.js';
 import { getMetaNumber } from '@sammo-ts/logic/war/utils.js';
+import { getAuxArmType, parseWarDexAux } from './aux.js';
 
 function onCalcStat(context: GeneralActionContext, statName: GeneralStatName, value: number, aux?: unknown): number;
 function onCalcStat(
@@ -29,8 +30,7 @@ function onCalcStat(
 
     if (statName.startsWith('dex')) {
         const myDex = getMetaNumber(context.general.meta, `dex${footmanType}`);
-        const isAttacker = (aux as any)?.isAttacker;
-        const opposeType = (aux as any)?.opposeType;
+        const { isAttacker, opposeType } = parseWarDexAux(aux);
 
         if (isAttacker && opposeType && statName === `dex${opposeType.armType}`) {
             return (value as number) + myDex;
@@ -53,12 +53,11 @@ export const traitModule: TraitModule = {
         '[군사] 보병 계통 징·모병비 -10%<br>[전투] 공격 시 아군 피해 -10%, 수비 시 아군 피해 -20%,<br>공격시 상대 병종에/수비시 자신 병종 숙련에 보병 숙련을 가산',
     onCalcDomestic: (_context, turnType, varType, value, aux) => {
         if (turnType === '징병' || turnType === '모병') {
-            if (varType === 'cost' && aux && typeof aux === 'object' && 'armType' in aux) {
-                // Note: In a real scenario, we should check if aux.armType is footman.
-                // Since we don't have easy access to config here, we might need to assume legacy ID 1 or similar.
-                if ((aux as any).armType === 1) {
-                    return value * 0.9;
-                }
+            const armType = getAuxArmType(aux);
+            // Note: In a real scenario, we should check if aux.armType is footman.
+            // Since we don't have easy access to config here, we might need to assume legacy ID 1 or similar.
+            if (varType === 'cost' && armType === 1) {
+                return value * 0.9;
             }
         }
         return value;
diff --git a/packages/logic/src/triggers/special/war/che_위압.ts b/packages/logic/src/triggers/special/war/che_위압.ts
index f3ed594..ee68581 100644
--- a/packages/logic/src/triggers/special/war/che_위압.ts
+++ b/packages/logic/src/triggers/special/war/che_위압.ts
@@ -6,6 +6,11 @@ import { BaseWarUnitTrigger, WarTriggerCaller } from '@sammo-ts/logic/war/trigge
 import type { WarUnit } from '@sammo-ts/logic/war/units.js';
 import { LogFormat } from '@sammo-ts/logic/logging/types.js';
 
+type AtmosUnit = WarUnit & { addAtmos: (amount: number) => void };
+
+const canAddAtmos = (unit: WarUnit): unit is AtmosUnit =>
+    'addAtmos' in unit && typeof (unit as { addAtmos?: unknown }).addAtmos === 'function';
+
 class che_위압시도 extends BaseWarUnitTrigger {
     constructor(unit: WarUnit) {
         super(unit, 10100);
@@ -48,8 +53,8 @@ class che_위압발동 extends BaseWarUnitTrigger {
         oppose.getLogger().pushGeneralBattleDetailLog('상대에게 <R>위압</>받았다!', LogFormat.PLAIN);
         self.getLogger().pushGeneralBattleDetailLog('상대에게 <C>위압</>을 줬다!', LogFormat.PLAIN);
         oppose.setWarPowerMultiply(0);
-        if ('addAtmos' in oppose) {
-            (oppose as any).addAtmos(-5);
+        if (canAddAtmos(oppose)) {
+            oppose.addAtmos(-5);
         }
 
         return true;
diff --git a/packages/logic/src/triggers/special/war/che_저격.ts b/packages/logic/src/triggers/special/war/che_저격.ts
index c4538a9..9de1a6d 100644
--- a/packages/logic/src/triggers/special/war/che_저격.ts
+++ b/packages/logic/src/triggers/special/war/che_저격.ts
@@ -6,6 +6,11 @@ import { BaseWarUnitTrigger, WarTriggerCaller } from '@sammo-ts/logic/war/trigge
 import type { WarUnit } from '@sammo-ts/logic/war/units.js';
 import { LogFormat } from '@sammo-ts/logic/logging/types.js';
 
+type AtmosUnit = WarUnit & { addAtmos: (amount: number) => void };
+
+const canAddAtmos = (unit: WarUnit): unit is AtmosUnit =>
+    'addAtmos' in unit && typeof (unit as { addAtmos?: unknown }).addAtmos === 'function';
+
 class che_저격시도 extends BaseWarUnitTrigger {
     private readonly ratio: number;
     private readonly woundMin: number;
@@ -86,8 +91,8 @@ class che_저격발동 extends BaseWarUnitTrigger {
             self.getLogger().pushGeneralBattleDetailLog('성벽 수비대장을 <C>저격</>했다!', LogFormat.PLAIN);
         }
 
-        if ('addAtmos' in self) {
-            (self as any).addAtmos(selfEnv['addAtmos'] as number);
+        if (canAddAtmos(self)) {
+            self.addAtmos(selfEnv['addAtmos'] as number);
         }
 
         return true;
diff --git a/packages/logic/test/dispatchWarAction.test.ts b/packages/logic/test/dispatchWarAction.test.ts
index deadb13..3d296b0 100644
--- a/packages/logic/test/dispatchWarAction.test.ts
+++ b/packages/logic/test/dispatchWarAction.test.ts
@@ -3,6 +3,7 @@ import { describe, expect, it } from 'vitest';
 import type { City, General, Nation } from '../src/domain/entities.js';
 import { resolveGeneralAction } from '../src/actions/engine.js';
 import { ActionDefinition } from '../src/actions/turn/general/che_출병.js';
+import type { DispatchResolveContext } from '../src/actions/turn/general/che_출병.js';
 import type { TurnSchedule } from '../src/turn/calendar.js';
 import type { WarAftermathConfig, WarEngineConfig } from '../src/war/types.js';
 import type { UnitSetDefinition } from '../src/world/types.js';
@@ -184,28 +185,29 @@ describe('che_출병', () => {
         const defender = buildGeneral(2, defenderNation.id, defenderCity.id);
 
         const definition = new ActionDefinition();
+        const context: Omit<DispatchResolveContext, 'addLog'> = {
+            general: attacker,
+            city: attackerCity,
+            nation: attackerNation,
+            rng,
+            destCity: defenderCity,
+            destNation: defenderNation,
+            cities: [attackerCity, defenderCity],
+            nations: [attackerNation, defenderNation],
+            generals: [attacker, defender],
+            unitSet,
+            time: {
+                year: 200,
+                month: 1,
+                startYear: 180,
+            },
+            seedBase: 'test-seed',
+            warConfig,
+            aftermathConfig,
+        };
         const resolution = resolveGeneralAction(
             definition,
-            {
-                general: attacker,
-                city: attackerCity,
-                nation: attackerNation,
-                rng,
-                destCity: defenderCity,
-                destNation: defenderNation,
-                cities: [attackerCity, defenderCity],
-                nations: [attackerNation, defenderNation],
-                generals: [attacker, defender],
-                unitSet,
-                time: {
-                    year: 200,
-                    month: 1,
-                    startYear: 180,
-                },
-                seedBase: 'test-seed',
-                warConfig,
-                aftermathConfig,
-            } as any,
+            context,
             {
                 now: new Date('2000-01-01T00:00:00Z'),
                 schedule,