diff --git a/packages/logic/src/actions/turn/actionContext.ts b/packages/logic/src/actions/turn/actionContext.ts
index 3584f0f..193fe82 100644
--- a/packages/logic/src/actions/turn/actionContext.ts
+++ b/packages/logic/src/actions/turn/actionContext.ts
@@ -55,23 +55,22 @@ export interface ActionContextWorldRef {
     getTroopById(id: number): Troop | null;
 }
 
-export interface ActionContextOptions {
+export interface ActionContextOptions<TArgs extends Record<string, unknown> = Record<string, unknown>> {
     world: ActionContextWorldState;
     scenarioConfig: ScenarioConfig;
     scenarioMeta?: ScenarioMeta;
     map?: MapDefinition;
     unitSet?: UnitSetDefinition;
     worldRef: ActionContextWorldRef | null;
-    actionArgs: Record<string, unknown>;
+    actionArgs: TArgs;
     createGeneralId: () => number;
     createNationId: () => number;
     seedBase: string;
 }
 
 // 예약 턴 처리에서 커맨드별로 필요한 컨텍스트를 확장한다.
-export type ActionContextBuilder = (
-    base: ActionContextBase,
-    options: ActionContextOptions
-) => ActionResolveContext | null;
+export type ActionContextBuilder<TArgs extends Record<string, unknown> = Record<string, unknown>> = {
+    bivarianceHack(base: ActionContextBase, options: ActionContextOptions<TArgs>): ActionResolveContext | null;
+}['bivarianceHack'];
 
 export const defaultActionContextBuilder: ActionContextBuilder = (base) => base;
diff --git a/packages/logic/src/actions/turn/commandModule.ts b/packages/logic/src/actions/turn/commandModule.ts
index a4506bd..c9f27c2 100644
--- a/packages/logic/src/actions/turn/commandModule.ts
+++ b/packages/logic/src/actions/turn/commandModule.ts
@@ -3,16 +3,35 @@ import type { ZodType } from 'zod';
 import type { ActionContextBuilder } from './actionContext.js';
 import type { TurnCommandEnv } from './commandEnv.js';
 
-export interface TurnCommandSpecBase<TKey extends string = string> {
+export interface TurnCommandSpecWithArgs<TKey extends string = string> {
     key: TKey;
     category: string;
-    reqArg: boolean;
+    reqArg: true;
     args: Record<string, unknown>;
-    argsSchema?: ZodType<unknown>;
+    argsSchema: ZodType<Record<string, unknown>>;
     createDefinition(env: TurnCommandEnv): GeneralActionDefinition;
 }
 
+export interface TurnCommandSpecWithoutArgs<TKey extends string = string> {
+    key: TKey;
+    category: string;
+    reqArg: false;
+    args: Record<string, unknown>;
+    argsSchema?: undefined;
+    createDefinition(env: TurnCommandEnv): GeneralActionDefinition;
+}
+
+export type TurnCommandSpecBase<TKey extends string = string> =
+    | TurnCommandSpecWithArgs<TKey>
+    | TurnCommandSpecWithoutArgs<TKey>;
+
+export type TurnCommandArgs<TSpec extends TurnCommandSpecBase> = TSpec extends {
+    argsSchema: ZodType<infer TArgs>;
+}
+    ? TArgs
+    : Record<string, never>;
+
 export interface TurnCommandModule<TSpec extends TurnCommandSpecBase = TurnCommandSpecBase> {
     commandSpec: TSpec;
-    actionContextBuilder?: ActionContextBuilder;
+    actionContextBuilder?: ActionContextBuilder<TurnCommandArgs<TSpec>>;
 }
diff --git a/packages/logic/src/actions/turn/general/che_모병.ts b/packages/logic/src/actions/turn/general/che_모병.ts
index 48a6edd..c9796ad 100644
--- a/packages/logic/src/actions/turn/general/che_모병.ts
+++ b/packages/logic/src/actions/turn/general/che_모병.ts
@@ -1,5 +1,5 @@
 import type { GeneralTriggerState } from '@sammo-ts/logic/domain/entities.js';
-import { ActionDefinition as RecruitActionDefinition } from './che_징병.js';
+import { ARGS_SCHEMA, ActionDefinition as RecruitActionDefinition } from './che_징병.js';
 import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js';
 import { defaultActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import type { GeneralTurnCommandSpec } from './index.js';
@@ -30,5 +30,6 @@ export const commandSpec: GeneralTurnCommandSpec = {
         crewType: 'number',
         amount: 'number',
     },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env.generalActionModules ?? []),
 };
diff --git a/packages/logic/src/actions/turn/general/che_징병.ts b/packages/logic/src/actions/turn/general/che_징병.ts
index fe2da1c..0b30597 100644
--- a/packages/logic/src/actions/turn/general/che_징병.ts
+++ b/packages/logic/src/actions/turn/general/che_징병.ts
@@ -55,7 +55,7 @@ const DEFAULT_ATMOS = 40;
 const DEFAULT_MIN_POP = 30000;
 const DEFAULT_TRUST = 50;
 const MIN_CREW = 100;
-const ARGS_SCHEMA = z.preprocess(
+export const ARGS_SCHEMA = z.preprocess(
     (raw) => {
         if (!raw || typeof raw !== 'object' || Array.isArray(raw)) {
             return raw;
diff --git a/packages/logic/src/actions/turn/nation/che_국기변경.ts b/packages/logic/src/actions/turn/nation/che_국기변경.ts
index fa56e05..6dfaf94 100644
--- a/packages/logic/src/actions/turn/nation/che_국기변경.ts
+++ b/packages/logic/src/actions/turn/nation/che_국기변경.ts
@@ -12,10 +12,8 @@ import { LogCategory, LogFormat, LogScope } from '@sammo-ts/logic/logging/types.
 import { JosaUtil } from '@sammo-ts/common';
 import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js';
 import type { NationTurnCommandSpec } from './index.js';
-
-export interface ChangeFlagArgs {
-    colorType: number;
-}
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
 const ACTION_NAME = '국기변경';
 
@@ -55,6 +53,11 @@ const NATION_COLORS = [
     '#A9A9A9',
 ];
 
+const ARGS_SCHEMA = z.object({
+    colorType: z.number().int().min(0).max(NATION_COLORS.length - 1),
+});
+export type ChangeFlagArgs = z.infer<typeof ARGS_SCHEMA>;
+
 export class ActionDefinition<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
 > implements GeneralActionDefinition<TriggerState, ChangeFlagArgs> {
@@ -62,10 +65,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): ChangeFlagArgs | null {
-        const data = raw as { colorType?: number };
-        if (typeof data?.colorType !== 'number') return null;
-        if (data.colorType < 0 || data.colorType >= NATION_COLORS.length) return null;
-        return { colorType: data.colorType };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: ChangeFlagArgs): Constraint[] {
@@ -162,5 +162,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '국가',
     reqArg: true,
     args: { colorType: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_국호변경.ts b/packages/logic/src/actions/turn/nation/che_국호변경.ts
index ac55bb5..681a147 100644
--- a/packages/logic/src/actions/turn/nation/che_국호변경.ts
+++ b/packages/logic/src/actions/turn/nation/che_국호변경.ts
@@ -12,10 +12,13 @@ import { LogCategory, LogFormat, LogScope } from '@sammo-ts/logic/logging/types.
 import { JosaUtil } from '@sammo-ts/common';
 import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js';
 import type { NationTurnCommandSpec } from './index.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface ChangeNationNameArgs {
-    nationName: string;
-}
+const ARGS_SCHEMA = z.object({
+    nationName: z.string().trim().min(1).max(8),
+});
+export type ChangeNationNameArgs = z.infer<typeof ARGS_SCHEMA>;
 
 const ACTION_NAME = '국호변경';
 
@@ -26,13 +29,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): ChangeNationNameArgs | null {
-        const data = raw as { nationName?: string };
-        if (typeof data?.nationName !== 'string') return null;
-
-        const name = data.nationName.trim();
-        if (name.length < 1 || name.length > 8) return null;
-
-        return { nationName: name };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, args: ChangeNationNameArgs): Constraint[] {
@@ -124,5 +121,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '국가',
     reqArg: true,
     args: { nationName: '' },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_급습.ts b/packages/logic/src/actions/turn/nation/che_급습.ts
index ec2957f..78443ce 100644
--- a/packages/logic/src/actions/turn/nation/che_급습.ts
+++ b/packages/logic/src/actions/turn/nation/che_급습.ts
@@ -22,10 +22,16 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import { buildDefaultDiplomacy } from '../../../diplomacy/index.js';
 import { JosaUtil } from '@sammo-ts/common';
 import type { NationTurnCommandSpec } from './index.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface RaidArgs {
-    destNationId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type RaidArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface RaidResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -43,14 +49,6 @@ const PRE_REQ_TURN = 0;
 const EXP_DED_GAIN = 5 * (PRE_REQ_TURN + 1);
 const TERM_REDUCE = 3;
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
 // 급습 쿨타임 계산을 담당한다.
 export class CommandResolver<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
     private readonly pipeline: GeneralActionPipeline<TriggerState>;
@@ -173,12 +171,7 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): RaidArgs | null {
-        const data = raw as { destNationId?: unknown };
-        const destNationId = parseNationId(data?.destNationId);
-        if (destNationId === null) {
-            return null;
-        }
-        return { destNationId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: RaidArgs): Constraint[] {
@@ -199,7 +192,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 국가/외교 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<RaidArgs> = (base, options) => {
     const destNationId = options.actionArgs.destNationId;
     if (typeof destNationId !== 'number') {
         return null;
@@ -236,5 +229,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env.generalActionModules ?? []),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_몰수.ts b/packages/logic/src/actions/turn/nation/che_몰수.ts
index cc3e0a0..6eb8c33 100644
--- a/packages/logic/src/actions/turn/nation/che_몰수.ts
+++ b/packages/logic/src/actions/turn/nation/che_몰수.ts
@@ -20,12 +20,18 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import type { NationTurnCommandSpec } from './index.js';
 import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import { clamp } from 'es-toolkit';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface SeizureArgs {
-    isGold: boolean;
-    amount: number;
-    destGeneralID: number;
-}
+const ARGS_SCHEMA = z.object({
+    isGold: z.boolean(),
+    amount: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value / 100) * 100 : value),
+        z.number().int().positive()
+    ),
+    destGeneralID: z.number(),
+});
+export type SeizureArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface SeizureResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -44,18 +50,13 @@ export class ActionDefinition<
     constructor(private readonly env: TurnCommandEnv) {}
 
     parseArgs(raw: unknown): SeizureArgs | null {
-        const data = raw as { isGold?: boolean; amount?: number; destGeneralID?: number };
-        if (typeof data?.isGold !== 'boolean') return null;
-        if (typeof data?.amount !== 'number') return null;
-        if (typeof data?.destGeneralID !== 'number') return null;
-
-        const amount = Math.floor(data.amount / 100) * 100;
-        if (amount <= 0) return null;
-
+        const data = parseArgsWithSchema(ARGS_SCHEMA, raw);
+        if (!data) {
+            return null;
+        }
         return {
-            isGold: data.isGold,
-            amount: clamp(amount, 100, this.env.maxResourceActionAmount ?? 10000),
-            destGeneralID: data.destGeneralID,
+            ...data,
+            amount: clamp(data.amount, 100, this.env.maxResourceActionAmount ?? 10000),
         };
     }
 
@@ -140,7 +141,7 @@ export class ActionDefinition<
     }
 }
 
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<SeizureArgs> = (base, options) => {
     const destGeneralId = options.actionArgs.destGeneralID;
     if (typeof destGeneralId !== 'number') return null;
 
@@ -161,5 +162,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '인사',
     reqArg: true,
     args: { isGold: false, amount: 0, destGeneralID: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_물자원조.ts b/packages/logic/src/actions/turn/nation/che_물자원조.ts
index cd46a8e..ca0967e 100644
--- a/packages/logic/src/actions/turn/nation/che_물자원조.ts
+++ b/packages/logic/src/actions/turn/nation/che_물자원조.ts
@@ -20,11 +20,14 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import type { NationTurnCommandSpec } from './index.js';
 import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import { clamp } from 'es-toolkit';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface MaterialAidArgs {
-    destNationId: number;
-    amountList: [number, number]; // [gold, rice]
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.number(),
+    amountList: z.tuple([z.number(), z.number()]),
+});
+export type MaterialAidArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface MaterialAidResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -45,15 +48,7 @@ export class ActionDefinition<
     constructor(private readonly env: TurnCommandEnv) {}
 
     parseArgs(raw: unknown): MaterialAidArgs | null {
-        const data = raw as { destNationId?: number; amountList?: [number, number] };
-        if (typeof data?.destNationId !== 'number') return null;
-        if (!Array.isArray(data.amountList) || data.amountList.length !== 2) return null;
-        if (typeof data.amountList[0] !== 'number' || typeof data.amountList[1] !== 'number') return null;
-
-        return {
-            destNationId: data.destNationId,
-            amountList: [data.amountList[0], data.amountList[1]],
-        };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, args: MaterialAidArgs): Constraint[] {
@@ -187,7 +182,7 @@ export class ActionDefinition<
     }
 }
 
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<MaterialAidArgs> = (base, options) => {
     const destNationId = options.actionArgs.destNationId;
     if (typeof destNationId !== 'number') return null;
 
@@ -208,5 +203,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0, amountList: [0, 0] },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_발령.ts b/packages/logic/src/actions/turn/nation/che_발령.ts
index 12d0144..72924b5 100644
--- a/packages/logic/src/actions/turn/nation/che_발령.ts
+++ b/packages/logic/src/actions/turn/nation/che_발령.ts
@@ -25,11 +25,14 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 import { resolveTurnTermMinutes } from '@sammo-ts/logic/actions/turn/actionContextHelpers.js';
 import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js';
 import type { NationTurnCommandSpec } from './index.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface AssignmentArgs {
-    destGeneralId: number;
-    destCityId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destGeneralId: z.number(),
+    destCityId: z.number(),
+});
+export type AssignmentArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface AssignmentResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -146,23 +149,7 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): AssignmentArgs | null {
-        if (!raw || typeof raw !== 'object') {
-            return null;
-        }
-        const data = raw as {
-            destGeneralId?: unknown;
-            destCityId?: unknown;
-        };
-        if (typeof data.destGeneralId !== 'number') {
-            return null;
-        }
-        if (typeof data.destCityId !== 'number') {
-            return null;
-        }
-        return {
-            destGeneralId: data.destGeneralId,
-            destCityId: data.destCityId,
-        };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(ctx: ConstraintContext, _args: AssignmentArgs): Constraint[] {
@@ -188,7 +175,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 장수/도시 컨텍스트를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<AssignmentArgs> = (base, options) => {
     const destGeneralId = options.actionArgs.destGeneralId;
     const destCityId = options.actionArgs.destCityId;
     if (typeof destGeneralId !== 'number' || typeof destCityId !== 'number') {
@@ -216,5 +203,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '인사',
     reqArg: true,
     args: { destGeneralId: 0, destCityId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition({}),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_백성동원.ts b/packages/logic/src/actions/turn/nation/che_백성동원.ts
index 797a45c..03da8f2 100644
--- a/packages/logic/src/actions/turn/nation/che_백성동원.ts
+++ b/packages/logic/src/actions/turn/nation/che_백성동원.ts
@@ -20,10 +20,16 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 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';
 
-export interface MobilizePeopleArgs {
-    destCityId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destCityId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type MobilizePeopleArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface MobilizePeopleResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -38,14 +44,6 @@ const PRE_REQ_TURN = 0;
 const EXP_DED_GAIN = 5 * (PRE_REQ_TURN + 1);
 const DEFENCE_RATE = 0.8;
 
-const parseCityId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
 // 백성동원 쿨타임 계산을 담당한다.
 export class CommandResolver<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
     private readonly pipeline: GeneralActionPipeline<TriggerState>;
@@ -151,12 +149,7 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): MobilizePeopleArgs | null {
-        const data = raw as { destCityId?: unknown };
-        const destCityId = parseCityId(data?.destCityId);
-        if (destCityId === null) {
-            return null;
-        }
-        return { destCityId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: MobilizePeopleArgs): Constraint[] {
@@ -174,7 +167,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 도시/장수 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<MobilizePeopleArgs> = (base, options) => {
     const destCityId = options.actionArgs.destCityId;
     if (typeof destCityId !== 'number') {
         return null;
@@ -200,5 +193,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '전략',
     reqArg: true,
     args: { destCityId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env.generalActionModules ?? []),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_부대탈퇴지시.ts b/packages/logic/src/actions/turn/nation/che_부대탈퇴지시.ts
index 4f8d93a..5814550 100644
--- a/packages/logic/src/actions/turn/nation/che_부대탈퇴지시.ts
+++ b/packages/logic/src/actions/turn/nation/che_부대탈퇴지시.ts
@@ -19,10 +19,16 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import type { NationTurnCommandSpec } from './index.js';
 import { LogCategory, LogFormat, LogScope } from '@sammo-ts/logic/logging/types.js';
 import { JosaUtil } from '@sammo-ts/common';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface TroopKickArgs {
-    destGeneralId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destGeneralId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type TroopKickArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface TroopKickResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -39,17 +45,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): TroopKickArgs | null {
-        if (!raw || typeof raw !== 'object') {
-            return null;
-        }
-        const data = raw as { destGeneralId?: unknown };
-        if (typeof data.destGeneralId !== 'number') {
-            return null;
-        }
-        if (data.destGeneralId <= 0) {
-            return null;
-        }
-        return { destGeneralId: data.destGeneralId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(ctx: ConstraintContext, _args: TroopKickArgs): Constraint[] {
@@ -98,7 +94,7 @@ export class ActionDefinition<
     }
 }
 
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<TroopKickArgs> = (base, options) => {
     const destGeneralId = options.actionArgs.destGeneralId;
     if (typeof destGeneralId !== 'number') {
         return null;
@@ -118,5 +114,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '인사',
     reqArg: true,
     args: { destGeneralId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_불가침제의.ts b/packages/logic/src/actions/turn/nation/che_불가침제의.ts
index e3b1356..1c03218 100644
--- a/packages/logic/src/actions/turn/nation/che_불가침제의.ts
+++ b/packages/logic/src/actions/turn/nation/che_불가침제의.ts
@@ -15,38 +15,25 @@ import { LogCategory, LogFormat, LogScope } from '@sammo-ts/logic/logging/types.
 import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js';
 import type { NationTurnCommandSpec } from './index.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface NonAggressionProposalArgs {
-    destNationId: number;
-    year: number;
-    month: number;
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+    year: z.preprocess((value) => (typeof value === 'number' ? Math.floor(value) : value), z.number().int().min(0)),
+    month: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().min(1).max(12)
+    ),
+});
+export type NonAggressionProposalArgs = z.infer<typeof ARGS_SCHEMA>;
 
 const ACTION_NAME = '불가침 제의';
 const MIN_TERM_MONTHS = 6;
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    return raw > 0 ? Math.floor(raw) : null;
-};
-
-const parseYear = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    return raw >= 0 ? Math.floor(raw) : null;
-};
-
-const parseMonth = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const month = Math.floor(raw);
-    return month >= 1 && month <= 12 ? month : null;
-};
-
 const resolveMonthIndex = (year: number, month: number): number => year * 12 + month - 1;
 
 const requireMinimumTerm = (minMonths: number): Constraint => ({
@@ -107,18 +94,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): NonAggressionProposalArgs | null {
-        const data = raw as {
-            destNationId?: unknown;
-            year?: unknown;
-            month?: unknown;
-        };
-        const destNationId = parseNationId(data?.destNationId);
-        const year = parseYear(data?.year);
-        const month = parseMonth(data?.month);
-        if (destNationId === null || year === null || month === null) {
-            return null;
-        }
-        return { destNationId, year, month };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: NonAggressionProposalArgs): Constraint[] {
@@ -163,5 +139,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0, year: 0, month: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_불가침파기제의.ts b/packages/logic/src/actions/turn/nation/che_불가침파기제의.ts
index 5bdc724..334971f 100644
--- a/packages/logic/src/actions/turn/nation/che_불가침파기제의.ts
+++ b/packages/logic/src/actions/turn/nation/che_불가침파기제의.ts
@@ -15,21 +15,20 @@ import { LogCategory, LogFormat, LogScope } from '@sammo-ts/logic/logging/types.
 import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js';
 import { defaultActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import type { NationTurnCommandSpec } from './index.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface NonAggressionCancelProposalArgs {
-    destNationId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type NonAggressionCancelProposalArgs = z.infer<typeof ARGS_SCHEMA>;
 
 const ACTION_NAME = '불가침 파기 제의';
 const DIPLOMACY_NON_AGGRESSION = 7;
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    return raw > 0 ? Math.floor(raw) : null;
-};
-
 // 불가침 파기 제의를 처리하는 국가 커맨드.
 export class ActionDefinition<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -38,12 +37,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): NonAggressionCancelProposalArgs | null {
-        const data = raw as { destNationId?: unknown };
-        const destNationId = parseNationId(data?.destNationId);
-        if (destNationId === null) {
-            return null;
-        }
-        return { destNationId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: NonAggressionCancelProposalArgs): Constraint[] {
@@ -81,5 +75,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_선전포고.ts b/packages/logic/src/actions/turn/nation/che_선전포고.ts
index 954ef6f..8a0ae28 100644
--- a/packages/logic/src/actions/turn/nation/che_선전포고.ts
+++ b/packages/logic/src/actions/turn/nation/che_선전포고.ts
@@ -21,10 +21,16 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 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';
 
-export interface DeclareWarArgs {
-    destNationId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type DeclareWarArgs = z.infer<typeof ARGS_SCHEMA>;
 
 // DeclareWarResolveContext is not used anymore as it was replaced by inline type in ActionDefinition
 
@@ -33,13 +39,6 @@ const ACTION_NAME = '선전포고';
 const DIPLOMACY_DECLARE = 1;
 const DECLARE_TERM = 24;
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    return raw > 0 ? Math.floor(raw) : null;
-};
-
 export class ActionDefinition<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
 > implements GeneralActionDefinition<
@@ -51,12 +50,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): DeclareWarArgs | null {
-        const data = raw as { destNationId?: unknown };
-        const destNationId = parseNationId(data?.destNationId);
-        if (destNationId === null) {
-            return null;
-        }
-        return { destNationId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: DeclareWarArgs): Constraint[] {
@@ -164,7 +158,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 국가 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<DeclareWarArgs> = (base, options) => {
     const destNationId = options.actionArgs.destNationId;
     if (typeof destNationId !== 'number') {
         return null;
@@ -188,5 +182,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_수몰.ts b/packages/logic/src/actions/turn/nation/che_수몰.ts
index 5acf3a7..d3c0903 100644
--- a/packages/logic/src/actions/turn/nation/che_수몰.ts
+++ b/packages/logic/src/actions/turn/nation/che_수몰.ts
@@ -22,10 +22,16 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 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';
 
-export interface FloodArgs {
-    destCityId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destCityId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type FloodArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface FloodResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -42,14 +48,6 @@ const PRE_REQ_TURN = 2;
 const EXP_DED_GAIN = 5 * (PRE_REQ_TURN + 1);
 const DAMAGE_RATE = 0.2;
 
-const parseCityId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
 // 수몰 쿨타임 계산을 담당한다.
 export class CommandResolver<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
     private readonly pipeline: GeneralActionPipeline<TriggerState>;
@@ -176,12 +174,7 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): FloodArgs | null {
-        const data = raw as { destCityId?: unknown };
-        const destCityId = parseCityId(data?.destCityId);
-        if (destCityId === null) {
-            return null;
-        }
-        return { destCityId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: FloodArgs): Constraint[] {
@@ -203,7 +196,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 도시/장수 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<FloodArgs> = (base, options) => {
     const destCityId = options.actionArgs.destCityId;
     if (typeof destCityId !== 'number') {
         return null;
@@ -234,5 +227,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '전략',
     reqArg: true,
     args: { destCityId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env.generalActionModules ?? []),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_이호경식.ts b/packages/logic/src/actions/turn/nation/che_이호경식.ts
index 251ce2f..0c4cbf5 100644
--- a/packages/logic/src/actions/turn/nation/che_이호경식.ts
+++ b/packages/logic/src/actions/turn/nation/che_이호경식.ts
@@ -22,10 +22,16 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import { buildDefaultDiplomacy, DIPLOMACY_STATE } from '../../../diplomacy/index.js';
 import { JosaUtil } from '@sammo-ts/common';
 import type { NationTurnCommandSpec } from './index.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface DegradeRelationsArgs {
-    destNationId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type DegradeRelationsArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface DegradeRelationsResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -42,14 +48,6 @@ const DEFAULT_GLOBAL_DELAY = 9;
 const PRE_REQ_TURN = 0;
 const EXP_DED_GAIN = 5 * (PRE_REQ_TURN + 1);
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
 const resolveNextTerm = (state: number, term: number): number => (state === DIPLOMACY_STATE.WAR ? 3 : term + 3);
 
 // 이호경식 쿨타임 계산을 담당한다.
@@ -180,12 +178,7 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): DegradeRelationsArgs | null {
-        const data = raw as { destNationId?: unknown };
-        const destNationId = parseNationId(data?.destNationId);
-        if (destNationId === null) {
-            return null;
-        }
-        return { destNationId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: DegradeRelationsArgs): Constraint[] {
@@ -209,7 +202,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 국가/외교 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<DegradeRelationsArgs> = (base, options) => {
     const destNationId = options.actionArgs.destNationId;
     if (typeof destNationId !== 'number') {
         return null;
@@ -246,5 +239,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env.generalActionModules ?? []),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_종전제의.ts b/packages/logic/src/actions/turn/nation/che_종전제의.ts
index 25ccaf1..d4c316c 100644
--- a/packages/logic/src/actions/turn/nation/che_종전제의.ts
+++ b/packages/logic/src/actions/turn/nation/che_종전제의.ts
@@ -16,20 +16,19 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import { defaultActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import type { NationTurnCommandSpec } from './index.js';
 import { JosaUtil } from '@sammo-ts/common';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface StopWarProposalArgs {
-    destNationId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type StopWarProposalArgs = z.infer<typeof ARGS_SCHEMA>;
 
 const ACTION_NAME = '종전 제의';
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    return raw > 0 ? Math.floor(raw) : null;
-};
-
 // 종전 제의를 처리하는 국가 커맨드.
 export class ActionDefinition<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -38,12 +37,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): StopWarProposalArgs | null {
-        const data = raw as { destNationId?: unknown };
-        const destNationId = parseNationId(data?.destNationId);
-        if (destNationId === null) {
-            return null;
-        }
-        return { destNationId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: StopWarProposalArgs): Constraint[] {
@@ -84,5 +78,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '외교',
     reqArg: true,
     args: { destNationId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_천도.ts b/packages/logic/src/actions/turn/nation/che_천도.ts
index c8caa60..79d4953 100644
--- a/packages/logic/src/actions/turn/nation/che_천도.ts
+++ b/packages/logic/src/actions/turn/nation/che_천도.ts
@@ -20,10 +20,13 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import { JosaUtil } from '@sammo-ts/common';
 import type { NationTurnCommandSpec } from './index.js';
 import type { MapDefinition } from '@sammo-ts/logic/world/types.js';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface MoveCapitalArgs {
-    destCityID: number;
-}
+const ARGS_SCHEMA = z.object({
+    destCityID: z.number(),
+});
+export type MoveCapitalArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface MoveCapitalResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -71,9 +74,7 @@ export class ActionDefinition<
     constructor(private readonly env: TurnCommandEnv) {}
 
     parseArgs(raw: unknown): MoveCapitalArgs | null {
-        const data = raw as { destCityID?: number };
-        if (typeof data?.destCityID !== 'number') return null;
-        return { destCityID: data.destCityID };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, args: MoveCapitalArgs): Constraint[] {
@@ -194,7 +195,7 @@ export class ActionDefinition<
     }
 }
 
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<MoveCapitalArgs> = (base, options) => {
     const destCityId = options.actionArgs.destCityID;
     if (typeof destCityId !== 'number') return null;
 
@@ -217,5 +218,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '국가',
     reqArg: true,
     args: { destCityID: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_초토화.ts b/packages/logic/src/actions/turn/nation/che_초토화.ts
index fd4f6a8..d4fcaa2 100644
--- a/packages/logic/src/actions/turn/nation/che_초토화.ts
+++ b/packages/logic/src/actions/turn/nation/che_초토화.ts
@@ -21,10 +21,16 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 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';
 
-export interface ScorchedEarthArgs {
-    destCityId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destCityId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type ScorchedEarthArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface ScorchedEarthResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -37,14 +43,6 @@ const ACTION_NAME = '초토화';
 const PRE_REQ_TURN = 2;
 const POST_REQ_TURN = 24;
 
-const parseCityId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
 const requireNoDiplomacyLimit = (): Constraint => ({
     name: 'requireNoDiplomacyLimit',
     requires: (ctx) => (ctx.nationId !== undefined ? [{ kind: 'nation', id: ctx.nationId }] : []),
@@ -115,12 +113,7 @@ export class ActionDefinition<
     public readonly name = ACTION_NAME;
 
     parseArgs(raw: unknown): ScorchedEarthArgs | null {
-        const data = raw as { destCityId?: unknown };
-        const destCityId = parseCityId(data?.destCityId);
-        if (destCityId === null) {
-            return null;
-        }
-        return { destCityId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, args: ScorchedEarthArgs): Constraint[] {
@@ -247,7 +240,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 도시 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<ScorchedEarthArgs> = (base, options) => {
     const destCityId = options.actionArgs.destCityId;
     if (typeof destCityId !== 'number') {
         return null;
@@ -273,5 +266,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '특수',
     reqArg: true,
     args: { destCityId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_포상.ts b/packages/logic/src/actions/turn/nation/che_포상.ts
index 0072c04..3b3ec6b 100644
--- a/packages/logic/src/actions/turn/nation/che_포상.ts
+++ b/packages/logic/src/actions/turn/nation/che_포상.ts
@@ -25,12 +25,15 @@ import type { NationTurnCommandSpec } from './index.js';
 import { JosaUtil } from '@sammo-ts/common';
 import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import { clamp } from 'es-toolkit';
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
-export interface AwardArgs {
-    isGold: boolean;
-    amount: number;
-    destGeneralId: number;
-}
+const ARGS_SCHEMA = z.object({
+    isGold: z.boolean(),
+    amount: z.number(),
+    destGeneralId: z.number(),
+});
+export type AwardArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface AwardResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -163,21 +166,8 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): AwardArgs | null {
-        if (!raw || typeof raw !== 'object') {
-            return null;
-        }
-        const data = raw as {
-            isGold?: unknown;
-            amount?: unknown;
-            destGeneralId?: unknown;
-        };
-        if (typeof data.isGold !== 'boolean') {
-            return null;
-        }
-        if (typeof data.amount !== 'number' || Number.isNaN(data.amount)) {
-            return null;
-        }
-        if (typeof data.destGeneralId !== 'number') {
+        const data = parseArgsWithSchema(ARGS_SCHEMA, raw);
+        if (!data) {
             return null;
         }
         const amount = this.command.normalizeAmount(data.amount);
@@ -185,9 +175,8 @@ export class ActionDefinition<
             return null;
         }
         return {
-            isGold: data.isGold,
+            ...data,
             amount,
-            destGeneralId: data.destGeneralId,
         };
     }
 
@@ -231,7 +220,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 장수를 주입한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<AwardArgs> = (base, options) => {
     const destGeneralId = options.actionArgs.destGeneralId;
     if (typeof destGeneralId !== 'number') {
         return null;
@@ -251,6 +240,7 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '인사',
     reqArg: true,
     args: { isGold: true, amount: 1, destGeneralId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => {
         const maxAmount =
             env.maxResourceActionAmount > 0 ? env.maxResourceActionAmount : Math.max(env.baseGold, env.baseRice, 1000);
diff --git a/packages/logic/src/actions/turn/nation/che_피장파장.ts b/packages/logic/src/actions/turn/nation/che_피장파장.ts
index 301278a..849ac13 100644
--- a/packages/logic/src/actions/turn/nation/che_피장파장.ts
+++ b/packages/logic/src/actions/turn/nation/che_피장파장.ts
@@ -21,11 +21,10 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 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';
 
-export interface CounterStrategyArgs {
-    destNationId: number;
-    commandType: string;
-}
+export type CounterStrategyArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface CounterStrategyResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -40,7 +39,18 @@ const DEFAULT_GLOBAL_DELAY = 8;
 const PRE_REQ_TURN = 1;
 const EXP_DED_GAIN = 5 * (PRE_REQ_TURN + 1);
 
-const STRATEGIC_COMMANDS: Record<string, string> = {
+const STRATEGIC_COMMAND_KEYS = [
+    'che_필사즉생',
+    'che_백성동원',
+    'che_수몰',
+    'che_허보',
+    'che_의병모집',
+    'che_이호경식',
+    'che_급습',
+    'che_피장파장',
+] as const;
+
+const STRATEGIC_COMMANDS: Record<(typeof STRATEGIC_COMMAND_KEYS)[number], string> = {
     che_필사즉생: '필사즉생',
     che_백성동원: '백성동원',
     che_수몰: '수몰',
@@ -51,26 +61,15 @@ const STRATEGIC_COMMANDS: Record<string, string> = {
     che_피장파장: '피장파장',
 };
 
-const parseNationId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
-const parseCommandType = (raw: unknown): string | null => {
-    if (typeof raw !== 'string') {
-        return null;
-    }
-    if (!Object.prototype.hasOwnProperty.call(STRATEGIC_COMMANDS, raw)) {
-        return null;
-    }
-    if (raw === 'che_피장파장') {
-        return null;
-    }
-    return raw;
-};
+const ARGS_SCHEMA = z.object({
+    destNationId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+    commandType: z
+        .enum(STRATEGIC_COMMAND_KEYS)
+        .refine((value) => value !== 'che_피장파장', '같은 전략은 선택할 수 없습니다.'),
+});
 
 const requireCommandType = (): Constraint => ({
     name: 'requireStrategicCommandType',
@@ -209,13 +208,7 @@ export class ActionDefinition<
     private readonly resolver = new ActionResolver<TriggerState>();
 
     parseArgs(raw: unknown): CounterStrategyArgs | null {
-        const data = raw as { destNationId?: unknown; commandType?: unknown };
-        const destNationId = parseNationId(data?.destNationId);
-        const commandType = parseCommandType(data?.commandType);
-        if (destNationId === null || commandType === null) {
-            return null;
-        }
-        return { destNationId, commandType };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: CounterStrategyArgs): Constraint[] {
@@ -237,7 +230,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 국가/장수 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<CounterStrategyArgs> = (base, options) => {
     const destNationId = options.actionArgs.destNationId;
     if (typeof destNationId !== 'number') {
         return null;
@@ -266,5 +259,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '전략',
     reqArg: true,
     args: { destNationId: 0, commandType: '' },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (_env: TurnCommandEnv) => new ActionDefinition(),
 };
diff --git a/packages/logic/src/actions/turn/nation/che_허보.ts b/packages/logic/src/actions/turn/nation/che_허보.ts
index 317c213..36a946a 100644
--- a/packages/logic/src/actions/turn/nation/che_허보.ts
+++ b/packages/logic/src/actions/turn/nation/che_허보.ts
@@ -22,10 +22,16 @@ import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionCo
 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';
 
-export interface DeceptionArgs {
-    destCityId: number;
-}
+const ARGS_SCHEMA = z.object({
+    destCityId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+});
+export type DeceptionArgs = z.infer<typeof ARGS_SCHEMA>;
 
 export interface DeceptionResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -42,14 +48,6 @@ const DEFAULT_GLOBAL_DELAY = 9;
 const PRE_REQ_TURN = 1;
 const EXP_DED_GAIN = 5 * (PRE_REQ_TURN + 1);
 
-const parseCityId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
 const pickMoveCityId = (rng: GeneralActionResolveContext['rng'], destCityId: number, candidates: City[]): number => {
     if (candidates.length === 0) {
         return destCityId;
@@ -183,12 +181,7 @@ export class ActionDefinition<
     }
 
     parseArgs(raw: unknown): DeceptionArgs | null {
-        const data = raw as { destCityId?: unknown };
-        const destCityId = parseCityId(data?.destCityId);
-        if (destCityId === null) {
-            return null;
-        }
-        return { destCityId };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, _args: DeceptionArgs): Constraint[] {
@@ -210,7 +203,7 @@ export class ActionDefinition<
 }
 
 // 예약 턴 실행에 필요한 대상 도시/장수 정보를 구성한다.
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<DeceptionArgs> = (base, options) => {
     const destCityId = options.actionArgs.destCityId;
     if (typeof destCityId !== 'number') {
         return null;
@@ -247,5 +240,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '전략',
     reqArg: true,
     args: { destCityId: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env.generalActionModules ?? []),
 };
diff --git a/packages/logic/src/actions/turn/nation/cr_인구이동.ts b/packages/logic/src/actions/turn/nation/cr_인구이동.ts
index 37219a9..6a20b2a 100644
--- a/packages/logic/src/actions/turn/nation/cr_인구이동.ts
+++ b/packages/logic/src/actions/turn/nation/cr_인구이동.ts
@@ -25,11 +25,8 @@ import type { TurnCommandEnv } from '@sammo-ts/logic/actions/turn/commandEnv.js'
 import type { NationTurnCommandSpec } from './index.js';
 import type { ActionContextBuilder } from '@sammo-ts/logic/actions/turn/actionContext.js';
 import { clamp } from 'es-toolkit';
-
-export interface PopulationMoveArgs {
-    destCityId: number;
-    amount: number;
-}
+import { z } from 'zod';
+import { parseArgsWithSchema } from '../parseArgs.js';
 
 export interface PopulationMoveResolveContext<
     TriggerState extends GeneralTriggerState = GeneralTriggerState,
@@ -42,24 +39,17 @@ const ACTION_NAME = '인구이동';
 const AMOUNT_LIMIT = 100000;
 const MIN_AVAILABLE_RECRUIT_POP = 30000;
 
-const parseCityId = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    return value > 0 ? value : null;
-};
-
-const parseAmount = (raw: unknown): number | null => {
-    if (typeof raw !== 'number' || !Number.isFinite(raw)) {
-        return null;
-    }
-    const value = Math.floor(raw);
-    if (value < 0) {
-        return null;
-    }
-    return clamp(value, 0, AMOUNT_LIMIT);
-};
+const ARGS_SCHEMA = z.object({
+    destCityId: z.preprocess(
+        (value) => (typeof value === 'number' ? Math.floor(value) : value),
+        z.number().int().positive()
+    ),
+    amount: z.preprocess(
+        (value) => (typeof value === 'number' ? clamp(Math.floor(value), 0, AMOUNT_LIMIT) : value),
+        z.number().int().min(0).max(AMOUNT_LIMIT)
+    ),
+});
+export type PopulationMoveArgs = z.infer<typeof ARGS_SCHEMA>;
 
 const calcCost = (develCost: number, amount: number): number => Math.round((develCost * amount) / 10000);
 
@@ -72,13 +62,7 @@ export class ActionDefinition<
     constructor(private readonly env: TurnCommandEnv) {}
 
     parseArgs(raw: unknown): PopulationMoveArgs | null {
-        const data = raw as { destCityId?: unknown; amount?: unknown };
-        const destCityId = parseCityId(data?.destCityId);
-        const amount = parseAmount(data?.amount);
-        if (destCityId === null || amount === null) {
-            return null;
-        }
-        return { destCityId, amount };
+        return parseArgsWithSchema(ARGS_SCHEMA, raw);
     }
 
     buildConstraints(_ctx: ConstraintContext, args: PopulationMoveArgs): Constraint[] {
@@ -159,7 +143,7 @@ export class ActionDefinition<
     }
 }
 
-export const actionContextBuilder: ActionContextBuilder = (base, options) => {
+export const actionContextBuilder: ActionContextBuilder<PopulationMoveArgs> = (base, options) => {
     const destCityId = options.actionArgs.destCityId;
     if (typeof destCityId !== 'number') {
         return null;
@@ -185,5 +169,6 @@ export const commandSpec: NationTurnCommandSpec = {
     category: '특수',
     reqArg: true,
     args: { destCityId: 0, amount: 0 },
+    argsSchema: ARGS_SCHEMA,
     createDefinition: (env: TurnCommandEnv) => new ActionDefinition(env),
 };
diff --git a/packages/logic/test/actions/turn/nationMissing.test.ts b/packages/logic/test/actions/turn/nationMissing.test.ts
index 8a38860..3f2e0a6 100644
--- a/packages/logic/test/actions/turn/nationMissing.test.ts
+++ b/packages/logic/test/actions/turn/nationMissing.test.ts
@@ -290,7 +290,7 @@ describe('Nation Missing Actions', () => {
         setupDiplomacy(view, nation.id, destNation.id, 2);
 
         const definition = new CounterStrategyAction();
-        const args = { destNationId: destNation.id, commandType: 'che_허보' };
+        const args = { destNationId: destNation.id, commandType: 'che_허보' } as const;
         const ctx: ConstraintContext = {
             actorId: general.id,
             nationId: nation.id,
@@ -327,7 +327,7 @@ describe('Nation Missing Actions', () => {
                 addLog: () => {},
             } as any,
             { now: new Date(), schedule },
-            { destNationId: destNation.id, commandType: 'che_허보' }
+            { destNationId: destNation.id, commandType: 'che_허보' } as const
         );
 
         expect(resolution.general.experience).toBeGreaterThan(100);