Add title save slot selection

src/game/scenes/TitleScene.ts

@@ -2,7 +2,13 @@ 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 {
+  hasCampaignSave,
+  listCampaignSaveSlots,
+  loadCampaignState,
+  startNewCampaign,
+  type CampaignSaveSlotSummary
+} from '../state/campaignState';
 import { palette } from '../ui/palette';
 import { startLazyScene } from './lazyScenes';
 
@@ -10,6 +16,7 @@ export class TitleScene extends Phaser.Scene {
   private focusedButton?: Phaser.GameObjects.Text;
   private settingsPanel?: Phaser.GameObjects.Container;
   private newGameConfirmPanel?: Phaser.GameObjects.Container;
+  private saveSlotPanel?: Phaser.GameObjects.Container;
   private navigating = false;
 
   constructor() {
@@ -20,6 +27,7 @@ export class TitleScene extends Phaser.Scene {
     this.focusedButton = undefined;
     this.settingsPanel = undefined;
     this.newGameConfirmPanel = undefined;
+    this.saveSlotPanel = undefined;
     this.navigating = false;
 
     const debugBattleId = this.debugBattleId();
@@ -213,7 +221,7 @@ export class TitleScene extends Phaser.Scene {
     this.add.rectangle(menuX, menuY + plateHeight / 2, 186, 2, palette.gold, 0.36);
 
     this.createMenuButton(menuX, menuY - 70, '새 게임', true, () => this.requestStartGame());
-    this.createMenuButton(menuX, menuY, isEndingComplete ? '엔딩 보기' : '이어하기', canContinue, () => this.continueGame());
+    this.createMenuButton(menuX, menuY, isEndingComplete ? '엔딩 보기' : '이어하기', canContinue, () => this.requestContinueGame());
     this.createMenuButton(menuX, menuY + 70, '설정', true, () => this.openSettingsPanel(menuX, menuY));
 
     if (campaign) {
@@ -369,6 +377,7 @@ export class TitleScene extends Phaser.Scene {
 
     soundDirector.playSelect();
     this.closeNewGameConfirmPanel();
+    this.closeSaveSlotPanel();
 
     const panel = this.add.container(x, y + 238);
     const backdrop = this.add.rectangle(0, 0, 286, 188, 0x0e151d, 0.9);
@@ -427,6 +436,124 @@ export class TitleScene extends Phaser.Scene {
     this.settingsPanel = undefined;
   }
 
+  private requestContinueGame() {
+    if (!hasCampaignSave()) {
+      return;
+    }
+
+    const slots = listCampaignSaveSlots().filter((slot) => slot.exists);
+    if (slots.length <= 1) {
+      this.continueGame(slots[0]?.slot);
+      return;
+    }
+
+    const { width, height } = this.scale;
+    const compact = width < 720;
+    const menuX = compact ? width / 2 : width - 318;
+    const menuY = height * (compact ? 0.36 : 0.43);
+    this.openSaveSlotPanel(menuX, menuY);
+  }
+
+  private openSaveSlotPanel(x: number, y: number) {
+    if (this.saveSlotPanel) {
+      this.closeSaveSlotPanel();
+      return;
+    }
+
+    soundDirector.playSelect();
+    this.closeSettingsPanel();
+    this.closeNewGameConfirmPanel();
+
+    const panel = this.add.container(x, y + 252);
+    const backdrop = this.add.rectangle(0, 0, 318, 256, 0x0e151d, 0.95);
+    backdrop.setStrokeStyle(1, palette.gold, 0.58);
+
+    const title = this.add.text(0, -104, '이어갈 기록 선택', {
+      fontFamily: '"Malgun Gothic", "Noto Sans KR", sans-serif',
+      fontSize: '22px',
+      color: '#f1e3c2',
+      fontStyle: '700',
+      fixedWidth: 266,
+      align: 'center'
+    });
+    title.setOrigin(0.5);
+
+    const rows = listCampaignSaveSlots().map((slot, index) => this.createSaveSlotRow(slot, -74 + index * 58));
+    const close = this.createSettingsButton(0, 104, '닫기');
+    close.on('pointerdown', () => {
+      soundDirector.playSelect();
+      this.closeSaveSlotPanel();
+    });
+
+    panel.add([backdrop, title, ...rows, close]);
+    panel.setAlpha(0);
+    this.saveSlotPanel = panel;
+    this.tweens.add({ targets: panel, alpha: 1, y: y + 242, duration: 160, ease: 'Sine.easeOut' });
+  }
+
+  private createSaveSlotRow(slot: CampaignSaveSlotSummary, y: number) {
+    const row = this.add.container(0, y);
+    const enabled = slot.exists;
+    const background = this.add.rectangle(0, 0, 270, 48, enabled ? 0x1b2530 : 0x121820, enabled ? 0.9 : 0.56);
+    background.setStrokeStyle(1, enabled ? palette.gold : 0x56616d, enabled ? 0.42 : 0.2);
+
+    const campaign = enabled ? loadCampaignState(slot.slot) : undefined;
+    const isEndingComplete = campaign?.step === 'ending-complete';
+    const title = this.add.text(-122, -12, `슬롯 ${slot.slot}`, {
+      fontFamily: '"Malgun Gothic", "Noto Sans KR", sans-serif',
+      fontSize: '16px',
+      color: enabled ? '#f6e6bd' : '#7d8189',
+      fontStyle: '700',
+      fixedWidth: 70,
+      align: 'left'
+    });
+    title.setOrigin(0, 0.5);
+
+    const detail = this.add.text(-42, -12, campaign ? this.campaignSaveDetail(campaign, isEndingComplete) : '저장 없음', {
+      fontFamily: '"Malgun Gothic", "Noto Sans KR", sans-serif',
+      fontSize: '13px',
+      color: enabled ? '#d8b15f' : '#747c86',
+      fixedWidth: 154,
+      align: 'left'
+    });
+    detail.setOrigin(0, 0.5);
+
+    const meta = this.add.text(-42, 12, campaign ? this.campaignSaveMeta(campaign) : '빈 슬롯', {
+      fontFamily: '"Malgun Gothic", "Noto Sans KR", sans-serif',
+      fontSize: '11px',
+      color: enabled ? '#9fb0bf' : '#626b75',
+      fixedWidth: 154,
+      align: 'left'
+    });
+    meta.setOrigin(0, 0.5);
+
+    row.add([background, title, detail, meta]);
+
+    if (enabled) {
+      background.setInteractive({ useHandCursor: true });
+      background.on('pointerover', () => {
+        background.setFillStyle(0xd8b15f, 0.22);
+        background.setStrokeStyle(1, palette.gold, 0.72);
+        soundDirector.playHover();
+      });
+      background.on('pointerout', () => {
+        background.setFillStyle(0x1b2530, 0.9);
+        background.setStrokeStyle(1, palette.gold, 0.42);
+      });
+      background.on('pointerdown', () => {
+        this.closeSaveSlotPanel();
+        this.continueGame(slot.slot);
+      });
+    }
+
+    return row;
+  }
+
+  private closeSaveSlotPanel() {
+    this.saveSlotPanel?.destroy();
+    this.saveSlotPanel = undefined;
+  }
+
   private requestStartGame() {
     if (!hasCampaignSave()) {
       this.startGame();
@@ -448,6 +575,7 @@ export class TitleScene extends Phaser.Scene {
 
     soundDirector.playSelect();
     this.closeSettingsPanel();
+    this.closeSaveSlotPanel();
 
     const panel = this.add.container(x, y + 240);
     const backdrop = this.add.rectangle(0, 0, 286, 174, 0x0e151d, 0.94);
@@ -514,15 +642,15 @@ export class TitleScene extends Phaser.Scene {
     void this.navigateTo('StoryScene');
   }
 
-  private continueGame() {
+  private continueGame(slot?: number) {
     soundDirector.start();
     soundDirector.resume();
     soundDirector.playSelect();
-    void this.continueGameAsync();
+    void this.continueGameAsync(slot);
   }
 
-  private async continueGameAsync() {
+  private async continueGameAsync(slot?: number) {
-    const campaign = loadCampaignState();
+    const campaign = loadCampaignState(slot);
     if (campaign.step === 'ending-complete') {
       await this.navigateTo('EndingScene');
       return;