Summarize campaign saves on title screen

src/game/scenes/TitleScene.ts

@@ -1,5 +1,6 @@
 import Phaser from 'phaser';
 import { soundDirector } from '../audio/SoundDirector';
+import { getBattleScenario } from '../data/battles';
 import { battleIdForCampaignStep, isCampCampaignStep } from '../state/campaignRouting';
 import { hasCampaignSave, loadCampaignState, startNewCampaign } from '../state/campaignState';
 import { palette } from '../ui/palette';
@@ -202,7 +203,7 @@ export class TitleScene extends Phaser.Scene {
     const canContinue = hasCampaignSave();
     const campaign = canContinue ? loadCampaignState() : undefined;
     const isEndingComplete = campaign?.step === 'ending-complete';
-    const plateHeight = isEndingComplete ? 324 : 252;
+    const plateHeight = campaign ? 324 : 252;
 
     const plate = this.add.rectangle(menuX, menuY, 250, plateHeight, 0x111821, 0.66);
     plate.setStrokeStyle(1, palette.gold, 0.45);
@@ -213,19 +214,22 @@ export class TitleScene extends Phaser.Scene {
     this.createMenuButton(menuX, menuY, isEndingComplete ? '엔딩 보기' : '이어하기', canContinue, () => this.continueGame());
     this.createMenuButton(menuX, menuY + 70, '설정', true, () => this.openSettingsPanel(menuX, menuY));
 
-    if (isEndingComplete && campaign) {
-      this.drawCampaignCompleteBadge(menuX, menuY + 132, campaign);
+    if (campaign) {
+      this.drawCampaignSaveBadge(menuX, menuY + 132, campaign, isEndingComplete);
     }
   }
 
-  private drawCampaignCompleteBadge(x: number, y: number, campaign: ReturnType<typeof loadCampaignState>) {
-    const completedBattles = Object.keys(campaign.battleHistory).length;
-    const rosterCount = campaign.roster.length;
+  private drawCampaignSaveBadge(
+    x: number,
+    y: number,
+    campaign: ReturnType<typeof loadCampaignState>,
+    isEndingComplete: boolean
+  ) {
     const badge = this.add.container(x, y);
     const background = this.add.rectangle(0, 0, 210, 58, 0x21180f, 0.92);
     background.setStrokeStyle(1, palette.gold, 0.52);
 
-    const title = this.add.text(0, -14, '완결 저장', {
+    const title = this.add.text(0, -14, isEndingComplete ? '완결 저장' : '진행 저장', {
       fontFamily: '"Malgun Gothic", "Noto Sans KR", sans-serif',
       fontSize: '18px',
       color: '#f6e6bd',
@@ -236,7 +240,7 @@ export class TitleScene extends Phaser.Scene {
     });
     title.setOrigin(0.5);
 
-    const detail = this.add.text(0, 14, `${completedBattles}전 완수 · ${rosterCount}명 합류`, {
+    const detail = this.add.text(0, 14, this.campaignSaveDetail(campaign, isEndingComplete), {
       fontFamily: '"Malgun Gothic", "Noto Sans KR", sans-serif',
       fontSize: '14px',
       color: '#d8b15f',
@@ -248,6 +252,36 @@ export class TitleScene extends Phaser.Scene {
     badge.add([background, title, detail]);
   }
 
+  private campaignSaveDetail(campaign: ReturnType<typeof loadCampaignState>, isEndingComplete: boolean) {
+    if (isEndingComplete) {
+      return `${Object.keys(campaign.battleHistory).length}전 완수 · ${campaign.roster.length}명 합류`;
+    }
+
+    const nextBattleId = battleIdForCampaignStep(campaign.step);
+    if (nextBattleId) {
+      return this.compactSaveDetail(`다음 전장 · ${getBattleScenario(nextBattleId).title}`);
+    }
+
+    if (isCampCampaignStep(campaign.step)) {
+      const latestTitle = campaign.latestBattleId ? getBattleScenario(campaign.latestBattleId).title : '전투 이후';
+      return this.compactSaveDetail(`군영 정비 · ${latestTitle}`);
+    }
+
+    if (campaign.step === 'prologue') {
+      return '도원 결의 · 첫 출진 전';
+    }
+
+    if (campaign.step === 'first-victory-story') {
+      return '승리 후일담 · 군영 복귀';
+    }
+
+    return `군자금 ${campaign.gold} · ${campaign.roster.length}명`;
+  }
+
+  private compactSaveDetail(label: string) {
+    return label.length > 19 ? `${label.slice(0, 18)}...` : label;
+  }
+
   private createMenuButton(
     x: number,
     y: number,