feat(physics): 集成 Rapier2D 物理引擎并修复预览重置问题 (#244)

* feat(physics): 集成 Rapier2D 物理引擎并修复预览重置问题

* fix: 修复 CI 流程并清理代码

packages/physics-rapier2d/src/Physics2DComponentsModule.ts

@@ -0,0 +1,50 @@
+/**
+ * Physics 2D Components Module (Lightweight)
+ * 2D 物理组件模块（轻量级）
+ *
+ * 仅注册组件，不包含 WASM 依赖
+ * 用于编辑器中的组件序列化/反序列化
+ */
+
+import { ComponentRegistry } from '@esengine/ecs-framework';
+import type { IRuntimeModuleLoader } from '@esengine/ecs-components';
+
+// Components (no WASM dependency)
+import { Rigidbody2DComponent } from './components/Rigidbody2DComponent';
+import { BoxCollider2DComponent } from './components/BoxCollider2DComponent';
+import { CircleCollider2DComponent } from './components/CircleCollider2DComponent';
+import { CapsuleCollider2DComponent } from './components/CapsuleCollider2DComponent';
+import { PolygonCollider2DComponent } from './components/PolygonCollider2DComponent';
+
+/**
+ * Physics 2D Components Module (Lightweight)
+ * 2D 物理组件模块（轻量级）
+ *
+ * 仅实现组件注册，不包含系统创建和 WASM 初始化
+ * 用于编辑器场景序列化
+ */
+export class Physics2DComponentsModule implements IRuntimeModuleLoader {
+    /**
+     * 注册组件到 ComponentRegistry
+     */
+    registerComponents(registry: typeof ComponentRegistry): void {
+        registry.register(Rigidbody2DComponent);
+        registry.register(BoxCollider2DComponent);
+        registry.register(CircleCollider2DComponent);
+        registry.register(CapsuleCollider2DComponent);
+        registry.register(PolygonCollider2DComponent);
+    }
+
+    /**
+     * 不创建系统（完整运行时模块负责）
+     */
+    createSystems(): void {
+        // No-op: Systems are created by the full runtime module
+    }
+}
+
+/**
+ * 默认导出模块实例
+ */
+export const physics2DComponentsModule = new Physics2DComponentsModule();
+export default physics2DComponentsModule;