Clarify campaign save slot summaries

src/game/state/campaignState.ts

@@ -1,6 +1,8 @@
 import { equipmentExpToNext, equipmentSlots } from '../data/battleItems';
+import { battleScenarios, type BattleScenarioId } from '../data/battles';
 import { campaignRecruitUnits, type BattleBond, type UnitData } from '../data/scenario';
 import { normalizeSortieFormationAssignments, type SortieFormationAssignments } from '../data/sortieDeployment';
+import { battleIdForCampaignStep, isCampCampaignStep } from './campaignRouting';
 
 export type BattleObjectiveSnapshot = {
   id: string;
@@ -393,12 +395,93 @@ export type CampaignSaveSlotSummary = {
   step?: CampaignStep;
   gold?: number;
   battleTitle?: string;
+  progressTitle?: string;
+  progressMeta?: string;
+  rosterCount?: number;
+  inventoryCount?: number;
 };
 
 let campaignState: CampaignState | undefined;
 
 const campaignRecruitUnitById = new Map(campaignRecruitUnits.map((unit) => [unit.id, unit]));
 
+const campaignStepProgressLabels: Partial<Record<CampaignStep, { title: string; meta: string }>> = {
+  new: { title: '새 캠페인', meta: '시작 전' },
+  prologue: { title: '도원 결의', meta: '프롤로그' },
+  'first-victory-story': { title: '탁현 방어 성공', meta: '승리 후 이야기' },
+  'hanzhong-king-camp': { title: '한중왕 즉위 준비', meta: '군영 정비' },
+  'shu-han-foundation-camp': { title: '촉한 건국 선포', meta: '군영 정비' },
+  'baidi-entrustment-camp': { title: '백제성 유탁', meta: '군영 정비' },
+  'northern-campaign-prep-camp': { title: '북벌 준비 회의', meta: '군영 정비' },
+  'ending-complete': { title: '북벌의 끝과 남은 뜻', meta: '완료' }
+};
+
+export function summarizeCampaignProgress(state: CampaignState) {
+  const battleId = battleIdForCampaignStep(state.step);
+  const battleTitle = battleId ? scenarioTitle(battleId) : undefined;
+  if (battleTitle) {
+    return {
+      title: battleTitle,
+      meta: state.step.endsWith('-battle') ? '출전 준비' : '전투 진행'
+    };
+  }
+
+  const special = campaignStepProgressLabels[state.step];
+  if (special) {
+    return special;
+  }
+
+  const latestSettlement = latestCampaignSettlement(state);
+  if (isCampCampaignStep(state.step) && latestSettlement) {
+    return {
+      title: latestSettlement.battleTitle,
+      meta: latestSettlement.outcome === 'victory' ? '승리 후 군영' : '재정비'
+    };
+  }
+
+  if (latestSettlement) {
+    return {
+      title: latestSettlement.battleTitle,
+      meta: latestSettlement.outcome === 'victory' ? '최근 승리' : '최근 전투'
+    };
+  }
+
+  if (state.firstBattleReport) {
+    return {
+      title: state.firstBattleReport.battleTitle,
+      meta: state.firstBattleReport.outcome === 'victory' ? '승리 기록' : '전투 기록'
+    };
+  }
+
+  return {
+    title: '캠페인 진행',
+    meta: '진행 중'
+  };
+}
+
+function scenarioTitle(id?: BattleScenarioId | string) {
+  if (id && id in battleScenarios) {
+    return battleScenarios[id as BattleScenarioId].title;
+  }
+  return undefined;
+}
+
+function latestCampaignSettlement(state: CampaignState) {
+  if (state.latestBattleId) {
+    const latest = state.battleHistory[state.latestBattleId];
+    if (latest) {
+      return latest;
+    }
+  }
+
+  return Object.values(state.battleHistory)
+    .sort((a, b) => String(b.completedAt).localeCompare(String(a.completedAt)))[0];
+}
+
+function countCampaignInventory(inventory: Record<string, number>) {
+  return Object.values(inventory).reduce((total, amount) => total + Math.max(0, amount), 0);
+}
+
 export function createInitialCampaignState(): CampaignState {
   return {
     version: 1,
@@ -469,13 +552,18 @@ export function listCampaignSaveSlots(): CampaignSaveSlotSummary[] {
     if (!state) {
       return { slot, exists: false };
     }
+    const progress = summarizeCampaignProgress(state);
     return {
       slot,
       exists: true,
       updatedAt: state.updatedAt,
       step: state.step,
       gold: state.gold,
-      battleTitle: state.firstBattleReport?.battleTitle
+      battleTitle: progress.title,
+      progressTitle: progress.title,
+      progressMeta: progress.meta,
+      rosterCount: state.roster.length,
+      inventoryCount: countCampaignInventory(state.inventory)
     };
   });
 }