diff --git a/packages/logic/src/actions/domestic/che_상업투자.ts b/packages/logic/src/actions/domestic/che_상업투자.ts
index 57b8f1e..956e14c 100644
--- a/packages/logic/src/actions/domestic/che_상업투자.ts
+++ b/packages/logic/src/actions/domestic/che_상업투자.ts
@@ -10,6 +10,17 @@ import {
     GeneralActionPipeline,
     type GeneralActionModule,
 } from '../../triggers/general-action.js';
+import type {
+    GeneralActionOutcome,
+    GeneralActionResolver,
+    GeneralActionResolveContext,
+    GeneralActionEffect,
+} from '../engine.js';
+import {
+    createCityPatchEffect,
+    createGeneralPatchEffect,
+    createLogEffect,
+} from '../engine.js';
 
 export type DomesticCriticalPick = 'fail' | 'normal' | 'success';
 
@@ -51,6 +62,9 @@ export interface CommerceInvestmentResult {
 const DEFAULT_TRUST = 50;
 const DEFAULT_FRONT_DEBUFF = 0.5;
 const DEFAULT_FRONT_STATES = [1, 3];
+const ACTION_NAME = '상업 투자';
+const CITY_KEY = 'commerce';
+const STAT_EXP_KEY = 'intel_exp';
 
 const getMetaNumber = (
     meta: Record<string, unknown>,
@@ -85,6 +99,15 @@ const pickByWeight = (
     return 'normal';
 };
 
+const addMetaNumber = (
+    meta: Record<string, unknown>,
+    key: string,
+    delta: number
+): Record<string, unknown> => {
+    const current = getMetaNumber(meta, key) ?? 0;
+    return { ...meta, [key]: current + delta };
+};
+
 // 상업 투자 결과치를 계산하는 경로를 제공한다.
 export class CommandResolver<
     TriggerState extends GeneralTriggerState = GeneralTriggerState
@@ -226,3 +249,77 @@ export class CommandResolver<
         };
     }
 }
+
+export class ActionResolver<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> implements GeneralActionResolver<TriggerState> {
+    readonly key = 'che_상업투자';
+    private readonly command: CommandResolver<TriggerState>;
+
+    constructor(
+        modules: Array<GeneralActionModule<TriggerState> | null | undefined>,
+        env: InvestmentEnvironment
+    ) {
+        this.command = new CommandResolver(modules, env);
+    }
+
+    resolve(
+        context: GeneralActionResolveContext<TriggerState>
+    ): GeneralActionOutcome<TriggerState> {
+        const general = context.general;
+        const city = context.city;
+        if (!city) {
+            throw new Error('Commerce investment requires a city context.');
+        }
+
+        const result = this.command.resolve(
+            {
+                ...context,
+                city,
+                nation: context.nation ?? null,
+            },
+            context.rng
+        );
+
+        const updatedCommerce = clamp(
+            city.commerce + result.score,
+            0,
+            city.commerceMax
+        );
+
+        const nextGold = Math.max(0, general.gold - result.costGold);
+        const nextRice = Math.max(0, general.rice - result.costRice);
+        const nextExperience = general.experience + result.exp;
+        const nextDedication = general.dedication + result.dedication;
+
+        const metaWithStatExp = addMetaNumber(general.meta, STAT_EXP_KEY, 1);
+        const metaUpdated =
+            result.pick === 'success'
+                ? { ...metaWithStatExp, max_domestic_critical: result.score }
+                : { ...metaWithStatExp, max_domestic_critical: 0 };
+
+        const effects: Array<GeneralActionEffect<TriggerState>> = [
+            createCityPatchEffect({
+                [CITY_KEY]: updatedCommerce,
+            } as Partial<City>),
+            createGeneralPatchEffect({
+                gold: nextGold,
+                rice: nextRice,
+                experience: nextExperience,
+                dedication: nextDedication,
+                meta: metaUpdated,
+            }),
+        ];
+
+        const pickLabel =
+            result.pick === 'success'
+                ? '성공'
+                : result.pick === 'fail'
+                    ? '실패'
+                    : '완료';
+        const logMessage = `${ACTION_NAME} ${pickLabel}: +${Math.round(result.score)}`;
+        effects.push(createLogEffect(logMessage));
+
+        return { effects };
+    }
+}
diff --git a/packages/logic/src/actions/engine.ts b/packages/logic/src/actions/engine.ts
index 1a92869..93d7141 100644
--- a/packages/logic/src/actions/engine.ts
+++ b/packages/logic/src/actions/engine.ts
@@ -4,7 +4,10 @@ import type {
     General,
     GeneralRole,
     GeneralTriggerState,
+    CityId,
+    GeneralId,
     Nation,
+    NationId,
     StatBlock,
 } from '../domain/entities.js';
 import type { GeneralActionContext } from '../triggers/general.js';
@@ -81,6 +84,14 @@ export interface GeneralActionResolution {
     nextTurnAt: Date;
     logs: string[];
     effects: GeneralActionEffect[];
+    dirty?: {
+        general: boolean;
+        city: boolean;
+        nation: boolean;
+        generalId?: GeneralId;
+        cityId?: CityId;
+        nationId?: NationId;
+    };
 }
 
 const mergeStats = (base: StatBlock, patch: Partial<StatBlock>): StatBlock => ({
@@ -139,6 +150,39 @@ const applyNationPatch = (base: Nation, patch: Partial<Nation>): Nation => ({
     meta: patch.meta ? { ...base.meta, ...patch.meta } : base.meta,
 });
 
+export const createGeneralPatchEffect = <
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+>(
+    patch: Partial<General<TriggerState>>
+): GeneralPatchEffect<TriggerState> => ({
+    type: 'general:patch',
+    patch,
+});
+
+export const createCityPatchEffect = (patch: Partial<City>): CityPatchEffect => ({
+    type: 'city:patch',
+    patch,
+});
+
+export const createNationPatchEffect = (
+    patch: Partial<Nation>
+): NationPatchEffect => ({
+    type: 'nation:patch',
+    patch,
+});
+
+export const createLogEffect = (message: string): LogEffect => ({
+    type: 'log',
+    message,
+});
+
+export const createNextTurnOverrideEffect = (
+    nextTurnAt: Date
+): NextTurnOverrideEffect => ({
+    type: 'schedule:override',
+    nextTurnAt,
+});
+
 // 행동 결과를 Effect로 모아 상태/턴 계산을 수행한다.
 export const resolveGeneralAction = <
     TriggerState extends GeneralTriggerState = GeneralTriggerState
@@ -153,20 +197,35 @@ export const resolveGeneralAction = <
     let nextCity = context.city;
     let nextNation = context.nation ?? null;
     let nextTurnAtOverride: Date | null = null;
+    const dirty: NonNullable<GeneralActionResolution['dirty']> = {
+        general: false,
+        city: false,
+        nation: false,
+        generalId: context.general.id,
+    };
+    if (context.city) {
+        dirty.cityId = context.city.id;
+    }
+    if (context.nation) {
+        dirty.nationId = context.nation.id;
+    }
 
     for (const effect of outcome.effects) {
         switch (effect.type) {
             case 'general:patch':
                 nextGeneral = applyGeneralPatch(nextGeneral, effect.patch);
+                dirty.general = true;
                 break;
             case 'city:patch':
                 if (nextCity) {
                     nextCity = applyCityPatch(nextCity, effect.patch);
+                    dirty.city = true;
                 }
                 break;
             case 'nation:patch':
                 if (nextNation) {
                     nextNation = applyNationPatch(nextNation, effect.patch);
+                    dirty.nation = true;
                 }
                 break;
             case 'log':
@@ -194,6 +253,9 @@ export const resolveGeneralAction = <
     if (nextCity) {
         resolution.city = nextCity;
     }
+    if (dirty.general || dirty.city || dirty.nation) {
+        resolution.dirty = dirty;
+    }
 
     return resolution;
 };