Feature/editor optimization (#251)

* refactor: 编辑器/运行时架构拆分与构建系统升级

* feat(core): 层级系统重构与UI变换矩阵修复

* refactor: 移除 ecs-components 聚合包并修复跨包组件查找问题

* fix(physics): 修复跨包组件类引用问题

* feat: 统一运行时架构与浏览器运行支持

* feat(asset): 实现浏览器运行时资产加载系统

* fix: 修复文档、CodeQL安全问题和CI类型检查错误

* fix: 修复文档、CodeQL安全问题和CI类型检查错误

* fix: 修复文档、CodeQL安全问题、CI类型检查和测试错误

* test: 补齐核心模块测试用例，修复CI构建配置

* fix: 修复测试用例中的类型错误和断言问题

* fix: 修复 turbo build:npm 任务的依赖顺序问题

* fix: 修复 CI 构建错误并优化构建性能

packages/runtime-core/src/PluginLoader.ts

@@ -0,0 +1,118 @@
+import { runtimePluginManager, type IPlugin } from './PluginManager';
+
+export interface PluginPackageInfo {
+    plugin: boolean;
+    pluginExport: string;
+    category?: string;
+    isEnginePlugin?: boolean;
+}
+
+export interface PluginConfig {
+    enabled: boolean;
+    options?: Record<string, any>;
+}
+
+export interface ProjectPluginConfig {
+    plugins: Record<string, PluginConfig>;
+}
+
+interface LoadedPluginInfo {
+    id: string;
+    plugin: IPlugin;
+    packageInfo: PluginPackageInfo;
+}
+
+const loadedPlugins = new Map<string, LoadedPluginInfo>();
+
+/**
+ * 从模块动态加载插件
+ * @param packageId 包 ID，如 '@esengine/sprite'
+ * @param packageInfo 包的 esengine 配置
+ */
+export async function loadPlugin(
+    packageId: string,
+    packageInfo: PluginPackageInfo
+): Promise<IPlugin | null> {
+    if (loadedPlugins.has(packageId)) {
+        return loadedPlugins.get(packageId)!.plugin;
+    }
+
+    try {
+        const module = await import(/* @vite-ignore */ packageId);
+        const exportName = packageInfo.pluginExport || 'default';
+        const plugin = module[exportName] as IPlugin;
+
+        if (!plugin || !plugin.descriptor) {
+            console.warn(`[PluginLoader] Invalid plugin export from ${packageId}`);
+            return null;
+        }
+
+        loadedPlugins.set(packageId, {
+            id: packageId,
+            plugin,
+            packageInfo
+        });
+
+        return plugin;
+    } catch (error) {
+        console.error(`[PluginLoader] Failed to load plugin ${packageId}:`, error);
+        return null;
+    }
+}
+
+/**
+ * 根据项目配置加载所有启用的插件
+ */
+export async function loadEnabledPlugins(
+    config: ProjectPluginConfig,
+    packageInfoMap: Record<string, PluginPackageInfo>
+): Promise<void> {
+    const sortedPlugins: Array<{ id: string; info: PluginPackageInfo }> = [];
+
+    for (const [id, pluginConfig] of Object.entries(config.plugins)) {
+        if (!pluginConfig.enabled) continue;
+
+        const packageInfo = packageInfoMap[id];
+        if (!packageInfo) {
+            console.warn(`[PluginLoader] No package info for ${id}, skipping`);
+            continue;
+        }
+
+        sortedPlugins.push({ id, info: packageInfo });
+    }
+
+    // 引擎核心插件优先加载
+    sortedPlugins.sort((a, b) => {
+        if (a.info.isEnginePlugin && !b.info.isEnginePlugin) return -1;
+        if (!a.info.isEnginePlugin && b.info.isEnginePlugin) return 1;
+        return 0;
+    });
+
+    for (const { id, info } of sortedPlugins) {
+        const plugin = await loadPlugin(id, info);
+        if (plugin) {
+            runtimePluginManager.register(plugin);
+        }
+    }
+}
+
+/**
+ * 注册预加载的插件（用于已静态导入的插件）
+ */
+export function registerStaticPlugin(plugin: IPlugin): void {
+    runtimePluginManager.register(plugin);
+}
+
+/**
+ * 获取已加载的插件列表
+ */
+export function getLoadedPlugins(): IPlugin[] {
+    return Array.from(loadedPlugins.values()).map(info => info.plugin);
+}
+
+/**
+ * 重置插件加载器状态
+ */
+export function resetPluginLoader(): void {
+    loadedPlugins.clear();
+}