fix war command differential parity

packages/logic/src/war/aftermath.ts

@@ -13,10 +13,9 @@ import type {
     WarAftermathTechContext,
     WarDiplomacyDelta,
 } from './types.js';
-import { clamp, clampMin, getMetaNumber, round, simpleSerialize } from './utils.js';
+import { clamp, clampMin, getMetaNumber, parseConflict, round, simpleSerialize } from './utils.js';
 
 const META_DEAD = 'dead';
-const META_CONFLICT = 'conflict';
 const MAX_EXP_LEVEL = 255;
 const MAX_DEDICATION_LEVEL = 30;
 
@@ -120,29 +119,24 @@ const applyNationTechGain = <TriggerState extends GeneralTriggerState>(
 };
 
 const resolveConquerNation = (city: City, attackerNationId: number, nations: Nation[]): number => {
-    const rawConflict = city.meta[META_CONFLICT];
-    if (!rawConflict) {
+    const conflict = parseConflict(city.conflict);
+    if (!conflict) {
         return attackerNationId;
     }
-    try {
-        const parsed = JSON.parse(String(rawConflict)) as Record<string, number>;
-        const activeNationIds = new Set(nations.map((nation) => nation.id));
-        const entries = Object.entries(parsed)
-            .map(([key, value]) => [Number(key), value] as const)
-            .filter(
-                ([key, value]) =>
-                    Number.isFinite(key) &&
-                    typeof value === 'number' &&
-                    (key === attackerNationId || activeNationIds.has(key))
-            )
-            .sort(([, lhs], [, rhs]) => rhs - lhs);
-        if (!entries.length) {
-            return attackerNationId;
-        }
-        return entries[0]![0];
-    } catch {
+    const activeNationIds = new Set(nations.map((nation) => nation.id));
+    const entries = Object.entries(conflict)
+        .map(([key, value]) => [Number(key), value] as const)
+        .filter(
+            ([key, value]) =>
+                Number.isFinite(key) &&
+                typeof value === 'number' &&
+                (key === attackerNationId || activeNationIds.has(key))
+        )
+        .sort(([, lhs], [, rhs]) => rhs - lhs);
+    if (!entries.length) {
         return attackerNationId;
     }
+    return entries[0]![0];
 };
 
 const getCityPosition = (city: City): { x: number; y: number } | null => {
@@ -383,7 +377,7 @@ const resolveConquerCity = <TriggerState extends GeneralTriggerState>(
     defenderCity.commerce = round(defenderCity.commerce * 0.7);
     defenderCity.security = round(defenderCity.security * 0.7);
     defenderCity.nationId = conquerNationId;
-    defenderCity.meta[META_CONFLICT] = '{}';
+    defenderCity.conflict = {};
 
     if (defenderCity.level > 3) {
         defenderCity.defence = config.defaultCityWall;

packages/logic/src/war/units/city.ts

@@ -4,7 +4,7 @@ import type { City, Nation } from '@sammo-ts/logic/domain/entities.js';
 import type { ActionLogger } from '@sammo-ts/logic/logging/actionLogger.js';
 import type { WarEngineConfig } from '../types.js';
 import type { WarCrewType } from '../crewType.js';
-import { clampMin, round, parseConflict, sortConflict, stringifyConflict } from '../utils.js';
+import { clampMin, round, parseConflict, sortConflict } from '../utils.js';
 import { WarUnit } from './base.js';
 
 // 도시 성벽 전투 유닛(legacy WarUnitCity 포팅).
@@ -133,7 +133,7 @@ export class WarUnitCity extends WarUnit {
     }
 
     public addConflict(): boolean {
-        const raw = this.city.meta.conflict;
+        const raw = this.city.conflict;
         const conflict = parseConflict(raw) ?? {};
         const oppose = this.getOppose();
 
@@ -161,7 +161,7 @@ export class WarUnitCity extends WarUnit {
         }
 
         const sorted = sortConflict(conflict);
-        this.city.meta.conflict = stringifyConflict(sorted);
+        this.city.conflict = sorted;
 
         return isNew;
     }

packages/logic/src/war/utils.ts

@@ -55,23 +55,26 @@ export const parseConflict = (raw: TriggerValue | undefined): Record<number, num
     if (raw === undefined || raw === null) {
         return null;
     }
+    let parsed: unknown = raw;
     if (typeof raw === 'string') {
         try {
-            const parsed = JSON.parse(raw) as Record<string, number>;
-            const result: Record<number, number> = {};
-            for (const [key, value] of Object.entries(parsed)) {
-                const id = Number(key);
-                if (!Number.isFinite(id) || typeof value !== 'number') {
-                    continue;
-                }
-                result[id] = value;
-            }
-            return Object.keys(result).length ? result : null;
+            parsed = JSON.parse(raw) as unknown;
         } catch {
             return null;
         }
     }
-    return null;
+    if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) {
+        return null;
+    }
+    const result: Record<number, number> = {};
+    for (const [key, value] of Object.entries(parsed)) {
+        const id = Number(key);
+        if (!Number.isFinite(id) || typeof value !== 'number') {
+            continue;
+        }
+        result[id] = value;
+    }
+    return Object.keys(result).length ? result : null;
 };
 
 export const stringifyConflict = (conflict: Record<number, number> | null): string => {