fix: 첫 모병 예약도 후방 발령에 반영한다

Ref의 che_모병 extends che_징병 상속 의미를 예약턴 문자열 경계에서 복원하고 두 명령을 함께 회귀한다.

app/game-engine/src/turn/ai/generalAi/core.ts

@@ -677,6 +677,14 @@ export class GeneralAI {
         return this.reservedTurnProvider.getGeneralTurn(generalId, 0);
     }
 
+    hasFirstReservedGeneralRecruitmentTurn(generalId: number): boolean {
+        const action = this.getFirstReservedGeneralTurn(generalId).action;
+        // Ref checks `instanceof che_징병`; che_모병 inherits che_징병 there.
+        // Core persists the concrete command key, so preserve that subtype
+        // relationship explicitly at the serialized reserved-turn boundary.
+        return action === 'che_징병' || action === 'che_모병';
+    }
+
     resolveGeneralAiStats(general: TurnGeneral): ReturnType<typeof resolveLegacyAiStats> {
         if (this.commandEnv.generalActionModules) {
             return resolveLegacyAiStatsWithModules(

app/game-engine/src/turn/ai/generalAi/nation/assignments/userAssignments.ts

@@ -55,8 +55,7 @@ export const do부대유저장후방발령 = (ai: GeneralAI) => {
         if (!isGeneralTurnBefore(general, troopLeader)) {
             return false;
         }
-        const reserved = ai.getFirstReservedGeneralTurn(general.id);
-        if (reserved.action !== 'che_징병') {
+        if (!ai.hasFirstReservedGeneralRecruitmentTurn(general.id)) {
             return false;
         }
         return true;

app/game-engine/test/generalAiLegacyDecisionParity.test.ts

@@ -1435,11 +1435,13 @@ describe('legacy NPC AI final-decision parity', () => {
             return { result: do부대유저장후방발령(ai), rng };
         };
 
-        expect(run({ reservedAction: 'che_징병', userTurnTick: 100, leaderTurnTick: 200 }).result).toMatchObject({
-            action: 'che_발령',
-            args: { destGeneralId: 2, destCityId: 3 },
-        });
-        expect(run({ reservedAction: 'che_모병', userTurnTick: 100, leaderTurnTick: 200 }).result).toBeNull();
+        for (const reservedAction of ['che_징병', 'che_모병']) {
+            expect(run({ reservedAction, userTurnTick: 100, leaderTurnTick: 200 }).result).toMatchObject({
+                action: 'che_발령',
+                args: { destGeneralId: 2, destCityId: 3 },
+            });
+        }
+        expect(run({ reservedAction: 'che_훈련', userTurnTick: 100, leaderTurnTick: 200 }).result).toBeNull();
         expect(run({ reservedAction: 'che_징병', userTurnTick: 200, leaderTurnTick: 100 }).result).toBeNull();
         expect(
             run({ reservedAction: 'che_징병', userTurnTick: 100, leaderTurnTick: 200, recruitmentScore: 0 }).result