fix(framework): check instance of Scene in PhaserScene

Ensure the scene passed to PhaserScene is an instance of Phaser.Scene
before deciding whether to instantiate it.

packages/framework/src/ui/PhaserBridge.tsx

@@ -1,5 +1,5 @@
 import { signal, useSignal, useSignalEffect } from "@preact/signals";
-import Phaser, { AUTO } from "phaser";
+import Phaser, { AUTO, Scene } from "phaser";
 import { createContext } from "preact";
 import { useContext, useEffect, useRef } from "preact/hooks";
 
@@ -215,7 +215,8 @@ export function PhaserScene<TData = {}>(props: PhaserSceneProps<TData>) {
     const game = ctx.game;
 
     // 注册场景到 Phaser（但不启动）
-    const scene = "scene" in props.scene ? props.scene : new props.scene();
+    const scene =
+      props.scene instanceof Scene ? props.scene : new props.scene();
     const sceneKey = props.sceneKey ?? scene.sys.settings.key;
     if (!game.scene.getScene(sceneKey)) {
       const initData = {

packages/sts-like-viewer/src/gameobjects/CardContainer.ts

@@ -0,0 +1,219 @@
+import Phaser from "phaser";
+import type {
+  CardData,
+  GameCard,
+} from "boardgame-core/samples/slay-the-spire-like";
+
+export interface CardContainerOptions {
+  card: GameCard;
+  onClick?: (cardId: string) => void;
+  playable?: boolean;
+}
+
+const CARD_WIDTH = 140;
+const CARD_HEIGHT = 200;
+const CORNER_RADIUS = 8;
+
+export class CardContainer extends Phaser.GameObjects.Container {
+  private bg!: Phaser.GameObjects.Rectangle;
+  private nameText!: Phaser.GameObjects.Text;
+  private costBg!: Phaser.GameObjects.Container;
+  private costText!: Phaser.GameObjects.Text;
+  private descText!: Phaser.GameObjects.Text;
+  private highlight!: Phaser.GameObjects.Rectangle | null;
+  private cardId: string;
+  private _selected = false;
+
+  constructor(
+    scene: Phaser.Scene,
+    x: number,
+    y: number,
+    options: CardContainerOptions,
+  ) {
+    super(scene, x, y);
+    scene.add.existing(this);
+
+    this.cardId = options.card.id;
+    this.createVisuals(options);
+    this.setupInteractive(options);
+  }
+
+  private createVisuals(options: CardContainerOptions): void {
+    const cardData = options.card.cardData;
+    const isPlayable = options.playable ?? true;
+
+    // Background
+    const bgColor = isPlayable ? 0x2a2a3a : 0x1a1a24;
+    this.bg = this.scene.add
+      .rectangle(0, 0, CARD_WIDTH, CARD_HEIGHT, bgColor)
+      .setStrokeStyle(2, isPlayable ? 0x555577 : 0x333344);
+    this.add(this.bg);
+
+    // Name
+    this.nameText = this.scene.add
+      .text(0, -CARD_HEIGHT / 2 + 24, cardData.name, {
+        fontSize: "13px",
+        color: isPlayable ? "#ffffff" : "#666666",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5);
+    this.add(this.nameText);
+
+    // Cost badge (top-right)
+    this.costBg = this.scene.add.container(
+      CARD_WIDTH / 2 - 18,
+      -CARD_HEIGHT / 2 + 18,
+    );
+    const costCircle = this.scene.add.circle(0, 0, 14, 0x3b82f6);
+    this.costText = this.scene.add
+      .text(0, 0, `${cardData.costCount}`, {
+        fontSize: "14px",
+        color: "#ffffff",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5);
+    this.costBg.add([costCircle, this.costText]);
+    this.add(this.costBg);
+
+    // Description
+    this.descText = this.scene.add
+      .text(0, 16, cardData.desc, {
+        fontSize: "10px",
+        color: isPlayable ? "#aaaaaa" : "#444444",
+        align: "center",
+        wordWrap: { width: CARD_WIDTH - 16 },
+      })
+      .setOrigin(0.5);
+    this.add(this.descText);
+
+    // Target indicator
+    const targetLabel =
+      cardData.targetType === "single" ? "🎯 Single" : "✨ Self";
+    const targetText = this.scene.add
+      .text(0, CARD_HEIGHT / 2 - 20, targetLabel, {
+        fontSize: "10px",
+        color: isPlayable ? "#8888cc" : "#444466",
+      })
+      .setOrigin(0.5);
+    this.add(targetText);
+  }
+
+  private setupInteractive(options: CardContainerOptions): void {
+    const hitArea = new Phaser.Geom.Rectangle(
+      -CARD_WIDTH / 2,
+      -CARD_HEIGHT / 2,
+      CARD_WIDTH,
+      CARD_HEIGHT,
+    );
+    this.setInteractive(hitArea, Phaser.Geom.Rectangle.Contains);
+    if (this.input) {
+      this.input.cursor = options.playable ? "pointer" : "not-allowed";
+    }
+
+    this.on("pointerover", () => {
+      if (options.playable && !this._selected) {
+        this.hoverIn();
+      }
+    });
+
+    this.on("pointerout", () => {
+      if (!this._selected) {
+        this.hoverOut();
+      }
+    });
+
+    this.on("pointerdown", () => {
+      if (options.playable && options.onClick) {
+        options.onClick(this.cardId);
+      }
+    });
+  }
+
+  private hoverIn(): void {
+    this.scene.tweens.add({
+      targets: this,
+      y: this.y - 10,
+      scale: 1.08,
+      duration: 150,
+      ease: "Power2",
+    });
+    this.bg.setStrokeStyle(3, 0x88aaff);
+  }
+
+  private hoverOut(): void {
+    this.scene.tweens.add({
+      targets: this,
+      y: this.y + 10,
+      scale: 1,
+      duration: 150,
+      ease: "Power2",
+    });
+    this.bg.setStrokeStyle(2, 0x555577);
+  }
+
+  setSelected(selected: boolean): void {
+    this._selected = selected;
+    if (selected) {
+      if (!this.highlight) {
+        this.highlight = this.scene.add
+          .rectangle(0, 0, CARD_WIDTH + 10, CARD_HEIGHT + 10, 0x000000, 0)
+          .setStrokeStyle(4, 0xfbbf24)
+          .setDepth(-1);
+        this.addAt(this.highlight, 0);
+      }
+      this.highlight.setAlpha(1);
+      this.scene.tweens.add({
+        targets: this,
+        scale: 1.05,
+        duration: 100,
+        ease: "Power2",
+      });
+    } else {
+      if (this.highlight) {
+        this.highlight.setAlpha(0);
+      }
+      this.scene.tweens.add({
+        targets: this,
+        scale: 1,
+        duration: 100,
+        ease: "Power2",
+      });
+    }
+  }
+
+  get selected(): boolean {
+    return this._selected;
+  }
+
+  playSpawnTween(delay = 0): void {
+    this.setAlpha(0);
+    this.setScale(0.5);
+    this.scene.tweens.add({
+      targets: this,
+      alpha: 1,
+      scale: 1,
+      duration: 300,
+      delay,
+      ease: "Back.easeOut",
+    });
+  }
+
+  playDespawnTween(onComplete?: () => void): void {
+    this.scene.tweens.add({
+      targets: this,
+      alpha: 0,
+      scale: 0.5,
+      y: this.y - 50,
+      duration: 200,
+      ease: "Back.easeIn",
+      onComplete: () => {
+        if (onComplete) onComplete();
+      },
+    });
+  }
+
+  destroy(fromScene?: boolean): void {
+    this.highlight = null;
+    super.destroy(fromScene);
+  }
+}

packages/sts-like-viewer/src/gameobjects/CardSpawner.ts

@@ -0,0 +1,112 @@
+import { spawnEffect, type Spawner } from "boardgame-phaser";
+import type {
+  CombatState,
+  GameCard,
+} from "boardgame-core/samples/slay-the-spire-like";
+import { CardContainer } from "./CardContainer";
+
+export interface CardSpawnData {
+  cardId: string;
+  index: number;
+  total: number;
+}
+
+const HAND_Y = 140;
+const CARD_SPACING = 160;
+const HAND_MARGIN = 100;
+
+export class CardSpawner implements Spawner<CardSpawnData, CardContainer> {
+  constructor(
+    private scene: Phaser.Scene,
+    private getState: () => CombatState,
+    private onCardClick: (cardId: string) => void,
+  ) {}
+
+  *getData(): Iterable<CardSpawnData> {
+    const state = this.getState();
+    const handIds = state.player.deck.regions.hand.childIds;
+    const total = handIds.length;
+    for (let i = 0; i < total; i++) {
+      yield { cardId: handIds[i], index: i, total };
+    }
+  }
+
+  getKey(data: CardSpawnData): string {
+    return data.cardId;
+  }
+
+  onSpawn(data: CardSpawnData): CardContainer {
+    const state = this.getState();
+    const card = state.player.deck.cards[data.cardId];
+    const { x, y } = this.getCardPosition(data.index, data.total);
+
+    const container = new CardContainer(this.scene, x, y, {
+      card: card ?? this.createFallbackCard(data.cardId),
+      onClick: this.onCardClick,
+      playable: true,
+    });
+
+    container.playSpawnTween(data.index * 40);
+    return container;
+  }
+
+  onUpdate(data: CardSpawnData, obj: CardContainer): void {
+    const { x, y } = this.getCardPosition(data.index, data.total);
+    if (obj.x !== x || obj.y !== y) {
+      this.scene.tweens.add({
+        targets: obj,
+        x,
+        y,
+        duration: 250,
+        ease: "Power2",
+      });
+    }
+  }
+
+  onDespawn(obj: CardContainer): void {
+    obj.playDespawnTween(() => obj.destroy());
+  }
+
+  private getCardPosition(
+    index: number,
+    total: number,
+  ): { x: number; y: number } {
+    const { width, height } = this.scene.scale;
+    const spacing = Math.min(
+      CARD_SPACING,
+      (width - HAND_MARGIN * 2) / Math.max(1, total),
+    );
+    const startX = width / 2 - ((total - 1) * spacing) / 2;
+    return {
+      x: startX + index * spacing,
+      y: height - HAND_Y,
+    };
+  }
+
+  private createFallbackCard(id: string): GameCard {
+    return {
+      id,
+      regionId: "",
+      position: [],
+      cardData: {
+        id,
+        name: "Unknown",
+        desc: "Card data missing",
+        type: "item",
+        costType: "none",
+        costCount: 0,
+        targetType: "none",
+        effects: [],
+      },
+      itemId: "",
+    };
+  }
+}
+
+export function createCardSpawner(
+  scene: Phaser.Scene,
+  getState: () => CombatState,
+  onCardClick: (cardId: string) => void,
+) {
+  return spawnEffect(new CardSpawner(scene, getState, onCardClick));
+}

packages/sts-like-viewer/src/gameobjects/CombatUnitContainer.ts

@@ -0,0 +1,228 @@
+import Phaser from "phaser";
+import type { CombatEntity, EffectTable, EnemyEntity } from "boardgame-core/samples/slay-the-spire-like";
+
+export type CombatUnitData = {
+  key: string;
+  entity: CombatEntity;
+  name: string;
+  isPlayer: boolean;
+};
+
+const CONTAINER_WIDTH = 200;
+const CONTAINER_HEIGHT = 260;
+const HP_BAR_WIDTH = 160;
+const HP_BAR_HEIGHT = 16;
+const BUFF_ICON_SIZE = 28;
+const BUFF_ICON_GAP = 6;
+
+export class CombatUnitContainer extends Phaser.GameObjects.Container {
+  private bg!: Phaser.GameObjects.Rectangle;
+  private nameText!: Phaser.GameObjects.Text;
+  private hpBarBg!: Phaser.GameObjects.Rectangle;
+  private hpBarFill!: Phaser.GameObjects.Rectangle;
+  private hpText!: Phaser.GameObjects.Text;
+  private buffContainer!: Phaser.GameObjects.Container;
+  private intentText!: Phaser.GameObjects.Text | null;
+
+  private currentEntity!: CombatEntity;
+  private currentName: string;
+  private currentIsPlayer: boolean;
+
+  constructor(scene: Phaser.Scene, x: number, y: number, data: CombatUnitData) {
+    super(scene, x, y);
+    scene.add.existing(this);
+
+    this.currentEntity = data.entity;
+    this.currentName = data.name;
+    this.currentIsPlayer = data.isPlayer;
+
+    this.createVisuals();
+    this.updateFromData(data);
+  }
+
+  private createVisuals(): void {
+    const bgColor = this.currentIsPlayer ? 0x224466 : 0x662222;
+    const borderColor = this.currentIsPlayer ? 0x44aaff : 0xff4444;
+
+    this.bg = this.scene.add
+      .rectangle(0, 0, CONTAINER_WIDTH, CONTAINER_HEIGHT, bgColor)
+      .setStrokeStyle(3, borderColor);
+
+    this.nameText = this.scene.add
+      .text(0, -CONTAINER_HEIGHT / 2 + 24, this.currentName, {
+        fontSize: "18px",
+        color: "#ffffff",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5);
+
+    this.hpBarBg = this.scene.add
+      .rectangle(0, -CONTAINER_HEIGHT / 2 + 60, HP_BAR_WIDTH, HP_BAR_HEIGHT, 0x333333);
+
+    this.hpBarFill = this.scene.add
+      .rectangle(-HP_BAR_WIDTH / 2, -CONTAINER_HEIGHT / 2 + 60, HP_BAR_WIDTH, HP_BAR_HEIGHT, 0x22c55e)
+      .setOrigin(0, 0.5);
+
+    this.hpText = this.scene.add
+      .text(0, -CONTAINER_HEIGHT / 2 + 60, "", {
+        fontSize: "12px",
+        color: "#ffffff",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5);
+
+    this.buffContainer = this.scene.add.container(0, CONTAINER_HEIGHT / 2 - 40);
+
+    if (!this.currentIsPlayer) {
+      this.intentText = this.scene.add
+        .text(0, -CONTAINER_HEIGHT / 2 + 86, "", {
+          fontSize: "12px",
+          color: "#ffcc88",
+        })
+        .setOrigin(0.5);
+    } else {
+      this.intentText = null;
+    }
+
+    this.add([
+      this.bg,
+      this.nameText,
+      this.hpBarBg,
+      this.hpBarFill,
+      this.hpText,
+      this.buffContainer,
+      ...(this.intentText ? [this.intentText] : []),
+    ]);
+  }
+
+  updateFromData(data: CombatUnitData): void {
+    this.currentEntity = data.entity;
+    this.currentName = data.name;
+
+    this.nameText.setText(this.currentName);
+
+    const hpPercent = this.currentEntity.maxHp > 0
+      ? this.currentEntity.hp / this.currentEntity.maxHp
+      : 0;
+
+    const fillWidth = Math.max(0, HP_BAR_WIDTH * hpPercent);
+    this.hpBarFill.setDisplaySize(fillWidth, HP_BAR_HEIGHT);
+
+    const hpColor = hpPercent > 0.5 ? 0x22c55e : hpPercent > 0.25 ? 0xf59e0b : 0xef4444;
+    this.hpBarFill.setFillStyle(hpColor);
+
+    this.hpText.setText(`${this.currentEntity.hp} / ${this.currentEntity.maxHp} HP`);
+
+    this.renderBuffs(this.currentEntity.effects);
+
+    if (!this.currentIsPlayer && this.intentText) {
+      const enemyEntity = data.entity as EnemyEntity;
+      const intent = enemyEntity.currentIntent;
+      const intentName = intent?.id ?? "unknown";
+      this.intentText.setText(`Intent: ${intentName}`);
+    }
+  }
+
+  private renderBuffs(effects: EffectTable): void {
+    this.buffContainer.removeAll(true);
+
+    const entries = Object.entries(effects);
+    const totalWidth = entries.length * BUFF_ICON_SIZE + (entries.length - 1) * BUFF_ICON_GAP;
+    const startX = -totalWidth / 2 + BUFF_ICON_SIZE / 2;
+
+    entries.forEach(([key, entry], index) => {
+      const x = startX + index * (BUFF_ICON_SIZE + BUFF_ICON_GAP);
+      const stacks = entry.stacks;
+
+      const isPositive = this.isPositiveEffect(key);
+      const iconColor = isPositive ? 0x44aa44 : 0xaa4444;
+
+      const bg = this.scene.add
+        .rectangle(x, 0, BUFF_ICON_SIZE, BUFF_ICON_SIZE, iconColor)
+        .setStrokeStyle(1, 0xffffff);
+
+      const text = this.scene.add
+        .text(x, 0, `${stacks}`, {
+          fontSize: "12px",
+          color: "#ffffff",
+          fontStyle: "bold",
+        })
+        .setOrigin(0.5);
+
+      this.buffContainer.add([bg, text]);
+    });
+  }
+
+  private isPositiveEffect(effectId: string): boolean {
+    const positive = new Set([
+      "block",
+      "strength",
+      "dexterity",
+      "regen",
+      "armor",
+      "barrier",
+      "momentum",
+    ]);
+    return positive.has(effectId.toLowerCase());
+  }
+
+  playSpawnEffect(): void {
+    this.setScale(0);
+    this.setAlpha(0);
+
+    this.scene.tweens.add({
+      targets: this,
+      scale: 1,
+      alpha: 1,
+      duration: 400,
+      ease: "Back.easeOut",
+    });
+  }
+
+  playDamageEffect(): void {
+    const flash = this.scene.add
+      .rectangle(this.x, this.y, CONTAINER_WIDTH, CONTAINER_HEIGHT, 0xff0000, 0.4)
+      .setDepth(200);
+
+    this.scene.tweens.add({
+      targets: this,
+      x: this.x + 8,
+      duration: 60,
+      yoyo: true,
+      repeat: 3,
+      onComplete: () => {
+        this.scene.tweens.add({
+          targets: flash,
+          alpha: 0,
+          duration: 200,
+          onComplete: () => flash.destroy(),
+        });
+      },
+    });
+  }
+
+  playHealEffect(): void {
+    const healText = this.scene.add
+      .text(this.x, this.y - 40, "+HP", {
+        fontSize: "20px",
+        color: "#22c55e",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5)
+      .setDepth(200);
+
+    this.scene.tweens.add({
+      targets: healText,
+      y: this.y - 80,
+      alpha: 0,
+      duration: 800,
+      ease: "Power2",
+      onComplete: () => healText.destroy(),
+    });
+  }
+
+  destroy(fromScene?: boolean): void {
+    this.buffContainer.removeAll(true);
+    super.destroy(fromScene);
+  }
+}

packages/sts-like-viewer/src/gameobjects/CombatUnitSpawner.ts

@@ -0,0 +1,75 @@
+import Phaser from "phaser";
+import type { Spawner } from "boardgame-phaser";
+import { spawnEffect } from "boardgame-phaser";
+import type { CombatState, CombatEntity, EnemyEntity } from "boardgame-core/samples/slay-the-spire-like";
+import { CombatUnitContainer, type CombatUnitData } from "./CombatUnitContainer";
+
+export class CombatUnitSpawner implements Spawner<CombatUnitData, CombatUnitContainer> {
+  constructor(private scene: Phaser.Scene) {}
+
+  *getData(): Iterable<CombatUnitData> {
+    const combat = this.getCombatState();
+    if (!combat) return;
+
+    yield {
+      key: "player",
+      entity: combat.player,
+      name: "Player",
+      isPlayer: true,
+    };
+
+    for (let i = 0; i < combat.enemies.length; i++) {
+      const enemy = combat.enemies[i];
+      yield {
+        key: `enemy-${i}`,
+        entity: enemy,
+        name: enemy.enemy.name,
+        isPlayer: false,
+      };
+    }
+  }
+
+  getKey(t: CombatUnitData): string {
+    return t.key;
+  }
+
+  onSpawn(t: CombatUnitData): CombatUnitContainer | null {
+    const { width, height } = this.scene.scale;
+    const combat = this.getCombatState();
+    if (!combat) return null;
+
+    const totalUnits = 1 + combat.enemies.length;
+    const spacing = 220;
+    const totalWidth = (totalUnits - 1) * spacing;
+    const startX = width / 2 - totalWidth / 2;
+
+    let x = startX;
+    if (t.key.startsWith("enemy-")) {
+      const index = parseInt(t.key.replace("enemy-", ""), 10);
+      x = startX + (index + 1) * spacing;
+    }
+
+    const y = height / 2;
+
+    const container = new CombatUnitContainer(this.scene, x, y, t);
+    container.playSpawnEffect();
+    return container;
+  }
+
+  onUpdate(t: CombatUnitData, obj: CombatUnitContainer): void {
+    obj.updateFromData(t);
+  }
+
+  onDespawn(obj: CombatUnitContainer): void {
+    obj.destroy();
+  }
+
+  private getCombatState(): CombatState | null {
+    const registry = this.scene.registry;
+    return (registry.get("combatState") as CombatState | undefined) ?? null;
+  }
+}
+
+export function createCombatUnitSpawner(scene: Phaser.Scene) {
+  return spawnEffect(new CombatUnitSpawner(scene));
+}

packages/sts-like-viewer/src/scenes/CombatTestScene.ts

@@ -0,0 +1,272 @@
+import Phaser from "phaser";
+import { GameHostScene } from "boardgame-phaser";
+import { spawnEffect, type Spawner } from "boardgame-phaser";
+import {
+  type CombatState,
+  prompts,
+} from "boardgame-core/samples/slay-the-spire-like";
+import { createButton } from "@/utils/createButton";
+import { SceneKey } from "./types";
+import {
+  CombatUnitContainer,
+  type CombatUnitData,
+} from "@/gameobjects/CombatUnitContainer";
+import { CardSpawner } from "@/gameobjects/CardSpawner";
+
+const CARD_SPACING = 160;
+const HAND_MARGIN = 100;
+const HAND_Y = 140;
+
+export class CombatTestScene extends GameHostScene<CombatState> {
+  private selectedCardId: string | null = null;
+  private isTargeting = false;
+  private targetingText!: Phaser.GameObjects.Text;
+  private selectionRect!: Phaser.GameObjects.Rectangle;
+
+  constructor() {
+    super("CombatTestScene");
+  }
+
+  create(): void {
+    super.create();
+
+    const { width, height } = this.scale;
+
+    // Title
+    this.add
+      .text(width / 2, 30, "Combat Test — Card Play", {
+        fontSize: "24px",
+        color: "#ffffff",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5);
+
+    // Info text (reactive)
+    const infoText = this.add
+      .text(width / 2, 60, "", {
+        fontSize: "14px",
+        color: "#aaaaaa",
+      })
+      .setOrigin(0.5);
+
+    this.addEffect(() => {
+      const s = this.state;
+      infoText.setText(
+        `Turn ${s.turnNumber} | Phase: ${s.phase} | Energy: ${s.player.energy}/${s.player.maxEnergy}`,
+      );
+    });
+
+    // Targeting indicator
+    this.targetingText = this.add
+      .text(width / 2, height - 220, "", {
+        fontSize: "18px",
+        color: "#fbbf24",
+        fontStyle: "bold",
+      })
+      .setOrigin(0.5)
+      .setAlpha(0);
+
+    // Selection rectangle overlay for selected card
+    this.selectionRect = this.add
+      .rectangle(0, 0, 150, 210, 0x000000, 0)
+      .setStrokeStyle(4, 0xfbbf24)
+      .setAlpha(0)
+      .setDepth(50);
+
+    // Unit spawner (player + enemies)
+    this.disposables.add(spawnEffect(new UnitSpawner(this)));
+
+    // Card spawner (hand)
+    this.disposables.add(
+      spawnEffect(
+        new CardSpawner(
+          this,
+          () => this.state,
+          (cardId) => this.onCardClick(cardId),
+        ),
+      ),
+    );
+
+    // Watch hand changes to clear stale selection
+    this.addEffect(() => {
+      const handIds = this.state.player.deck.regions.hand.childIds;
+      if (this.selectedCardId && !handIds.includes(this.selectedCardId)) {
+        this.clearTargeting();
+      } else {
+        this.updateSelectionRect();
+      }
+    });
+
+    // Controls
+    createButton({
+      scene: this,
+      label: "返回菜单",
+      x: 100,
+      y: 40,
+      onClick: async () => {
+        await this.sceneController.launch(SceneKey.IndexScene);
+      },
+    });
+
+    createButton({
+      scene: this,
+      label: "End Turn",
+      x: width - 100,
+      y: 40,
+      onClick: () => {
+        this.tryPlayCard("end-turn");
+      },
+    });
+
+    // Start the game loop
+    this.gameHost.start();
+  }
+
+  private onCardClick(cardId: string): void {
+    const state = this.state;
+    const card = state.player.deck.cards[cardId];
+    if (!card) return;
+
+    const targetType = card.cardData.targetType;
+
+    if (targetType === "single") {
+      this.selectedCardId = cardId;
+      this.isTargeting = true;
+      this.targetingText.setText("Select a target!");
+      this.targetingText.setAlpha(1);
+      this.updateSelectionRect();
+    } else {
+      this.tryPlayCard(cardId);
+    }
+  }
+
+  public onEnemyClick(enemyId: string): void {
+    if (!this.isTargeting || !this.selectedCardId) return;
+    this.tryPlayCard(this.selectedCardId, enemyId);
+  }
+
+  public getIsTargeting(): boolean {
+    return this.isTargeting;
+  }
+
+  private tryPlayCard(cardId: string, targetId?: string): void {
+    const error = this.gameHost.tryAnswerPrompt(
+      prompts.mainAction,
+      cardId,
+      targetId,
+    );
+    if (error) {
+      console.warn("Play failed:", error);
+    }
+    this.clearTargeting();
+  }
+
+  private clearTargeting(): void {
+    this.selectedCardId = null;
+    this.isTargeting = false;
+    this.targetingText.setAlpha(0);
+    this.selectionRect.setAlpha(0);
+  }
+
+  private updateSelectionRect(): void {
+    if (!this.selectedCardId) {
+      this.selectionRect.setAlpha(0);
+      return;
+    }
+
+    const state = this.state;
+    const handIds = state.player.deck.regions.hand.childIds;
+    const index = handIds.indexOf(this.selectedCardId);
+    if (index === -1) {
+      this.selectionRect.setAlpha(0);
+      return;
+    }
+
+    const { width, height } = this.scale;
+    const total = handIds.length;
+    const spacing = Math.min(
+      CARD_SPACING,
+      (width - HAND_MARGIN * 2) / Math.max(1, total),
+    );
+    const startX = width / 2 - ((total - 1) * spacing) / 2;
+    const x = startX + index * spacing;
+    const y = height - HAND_Y;
+
+    this.selectionRect.setPosition(x, y);
+    this.selectionRect.setAlpha(1);
+  }
+}
+
+class UnitSpawner implements Spawner<CombatUnitData, CombatUnitContainer> {
+  constructor(private scene: CombatTestScene) {}
+
+  *getData(): Iterable<CombatUnitData> {
+    const state = this.scene.state;
+    yield {
+      key: "player",
+      entity: state.player,
+      name: "Player",
+      isPlayer: true,
+    };
+    for (let i = 0; i < state.enemies.length; i++) {
+      const enemy = state.enemies[i];
+      yield {
+        key: `enemy-${i}`,
+        entity: enemy,
+        name: enemy.enemy.name,
+        isPlayer: false,
+      };
+    }
+  }
+
+  getKey(t: CombatUnitData): string {
+    return t.key;
+  }
+
+  onSpawn(t: CombatUnitData): CombatUnitContainer {
+    const { width, height } = this.scene.scale;
+    const state = this.scene.state;
+    const totalUnits = 1 + state.enemies.length;
+    const spacing = 220;
+    const totalWidth = (totalUnits - 1) * spacing;
+    const startX = width / 2 - totalWidth / 2;
+
+    let x = startX;
+    if (t.key.startsWith("enemy-")) {
+      const index = parseInt(t.key.replace("enemy-", ""), 10);
+      x = startX + (index + 1) * spacing;
+    }
+
+    const container = new CombatUnitContainer(
+      this.scene,
+      x,
+      height / 2 - 80,
+      t,
+    );
+    container.playSpawnEffect();
+
+    // Make enemies clickable when targeting
+    if (!t.isPlayer) {
+      const hitArea = new Phaser.Geom.Rectangle(-100, -130, 200, 260);
+      container.setInteractive(hitArea, Phaser.Geom.Rectangle.Contains);
+      if (container.input) {
+        container.input.cursor = "pointer";
+      }
+      container.on("pointerdown", () => {
+        if (this.scene.getIsTargeting()) {
+          this.scene.onEnemyClick(t.entity.id);
+        }
+      });
+    }
+
+    return container;
+  }
+
+  onUpdate(t: CombatUnitData, obj: CombatUnitContainer): void {
+    obj.updateFromData(t);
+  }
+
+  onDespawn(obj: CombatUnitContainer): void {
+    obj.destroy();
+  }
+}

packages/sts-like-viewer/src/scenes/IndexScene.ts

@@ -38,21 +38,22 @@ export class IndexScene extends ReactiveScene {
       scene: SceneKey;
       y: number;
     }[] = [
-      { label: "Map Viewer", scene: SceneKey.MapViewerScene, y: centerY },
+      { label: "Combat Test", scene: SceneKey.CombatTestScene, y: centerY },
+      { label: "Map Viewer", scene: SceneKey.MapViewerScene, y: centerY + 70 },
       {
         label: "Grid Inventory Viewer",
         scene: SceneKey.GridViewerScene,
-        y: centerY + 70,
+        y: centerY + 140,
       },
       {
         label: "Shape Viewer",
         scene: SceneKey.ShapeViewerScene,
-        y: centerY + 140,
+        y: centerY + 210,
       },
       {
         label: "Inventory Test",
         scene: SceneKey.InventoryTestScene,
-        y: centerY + 210,
+        y: centerY + 280,
       },
     ];
 

packages/sts-like-viewer/src/scenes/types.ts

@@ -1,4 +1,5 @@
 export enum SceneKey {
+  CombatTestScene = "CombatTestScene",
   GridViewerScene = "GridViewerScene",
   IndexScene = "IndexScene",
   InventoryTestScene = "InventoryTestScene",

packages/sts-like-viewer/src/ui/App.tsx

@@ -1,17 +1,33 @@
+import { createGameHost, type GameModule } from "boardgame-core";
 import { PhaserGame, PhaserScene } from "boardgame-phaser";
+import { useMemo } from "preact/hooks";
 import { IndexScene } from "@/scenes/IndexScene";
 import { MapViewerScene } from "@/scenes/MapViewerScene";
 import { GridViewerScene } from "@/scenes/GridViewerScene";
 import { ShapeViewerScene } from "@/scenes/ShapeViewerScene";
 import { GAME_CONFIG } from "@/config";
 import { InventoryTestScene } from "@/scenes/InventoryTestScene";
+import { CombatTestScene } from "@/scenes/CombatTestScene";
+import { createCombatState } from "@/state/combatState";
+import type { CombatState } from "boardgame-core/samples/slay-the-spire-like";
 
 export default function App() {
+  const combatScene = useMemo(() => new CombatTestScene(), []);
+  const gameHost = useMemo(
+    () => createGameHost(createCombatState() as GameModule<CombatState>),
+    [],
+  );
+
   return (
     <div className="flex flex-col h-screen">
       <div className="flex-1 flex relative justify-center items-center">
         <PhaserGame initialScene="IndexScene" config={GAME_CONFIG}>
           <PhaserScene scene={IndexScene} />
+          <PhaserScene
+            sceneKey="CombatTestScene"
+            scene={combatScene}
+            data={{ gameHost }}
+          />
           <PhaserScene scene={InventoryTestScene} />
           <PhaserScene scene={MapViewerScene} />
           <PhaserScene scene={GridViewerScene} />