refactor(framework): improve PhaserScene flexibility

Allow `PhaserScene` to accept either a scene instance or a scene
constructor. This enables more flexible scene registration within
the `PhaserBridge`. Also updates `sceneKey` to be optional,
defaulting to the scene's internal key.

packages/framework/src/ui/PhaserBridge.tsx

@@ -1,15 +1,15 @@
-import { signal, useSignal, useSignalEffect } from '@preact/signals';
-import Phaser, { AUTO } from 'phaser';
-import { createContext } from 'preact';
-import { useContext, useEffect, useRef } from 'preact/hooks';
+import { signal, useSignal, useSignalEffect } from "@preact/signals";
+import Phaser, { AUTO } from "phaser";
+import { createContext } from "preact";
+import { useContext, useEffect, useRef } from "preact/hooks";
 
 import {
   FadeScene as FadeSceneClass,
   FADE_SCENE_KEY,
-} from '../scenes/FadeScene';
+} from "../scenes/FadeScene";
 
-import type { ReactiveScene } from '../scenes';
-import type { ReadonlySignal } from '@preact/signals-core';
+import type { ReactiveScene } from "../scenes";
+import type { ReadonlySignal } from "@preact/signals-core";
 
 export interface SceneController {
   /** 启动场景（带淡入淡出过渡） */
@@ -34,8 +34,8 @@ export const defaultPhaserConfig: Phaser.Types.Core.GameConfig = {
   type: AUTO,
   width: 560,
   height: 560,
-  parent: 'phaser-container',
-  backgroundColor: '#f9fafb',
+  parent: "phaser-container",
+  backgroundColor: "#f9fafb",
   scene: [],
 };
 
@@ -71,7 +71,7 @@ export function PhaserGame(props: PhaserGameProps) {
     const sceneController: SceneController = {
       async launch(sceneKey: string) {
         if (isTransitioning.value) {
-          console.warn('SceneController: 正在进行场景切换');
+          console.warn("SceneController: 正在进行场景切换");
           return;
         }
 
@@ -120,12 +120,12 @@ export function PhaserGame(props: PhaserGameProps) {
       },
       async restart() {
         if (isTransitioning.value) {
-          console.warn('SceneController: 正在进行场景切换');
+          console.warn("SceneController: 正在进行场景切换");
           return;
         }
 
         if (!currentScene.value) {
-          console.warn('SceneController: 没有当前场景，无法 restart');
+          console.warn("SceneController: 没有当前场景，无法 restart");
           return;
         }
 
@@ -192,8 +192,8 @@ export function PhaserGame(props: PhaserGameProps) {
 }
 
 export interface PhaserSceneProps<TData = {}> {
-  sceneKey: string;
-  scene: ReactiveScene<TData>;
+  sceneKey?: string;
+  scene: ReactiveScene<TData> | { new (): ReactiveScene<TData> };
   data?: TData;
   children?: any;
 }
@@ -214,16 +214,18 @@ export function PhaserScene<TData = {}>(props: PhaserSceneProps<TData>) {
     const game = ctx.game;
 
     // 注册场景到 Phaser（但不启动）
-    if (!game.scene.getScene(props.sceneKey)) {
+    const scene = "scene" in props.scene ? props.scene : new props.scene();
+    const sceneKey = props.sceneKey ?? scene.scene.key;
+    if (!game.scene.getScene(sceneKey)) {
       const initData = {
         ...props.data,
         phaserGame: phaserGameSignal,
         sceneController: ctx.sceneController,
       };
-      game.scene.add(props.sceneKey, props.scene, false, initData);
+      game.scene.add(sceneKey, props.scene, false, initData);
     }
 
-    sceneSignal.value = props.scene;
+    sceneSignal.value = scene;
     registered.current = true;
 
     return () => {