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/runtime.ts

@@ -0,0 +1,57 @@
+/**
+ * @esengine/physics-rapier2d Runtime Entry Point
+ *
+ * This entry point exports only runtime-related code without any editor dependencies.
+ * Use this for standalone game runtime builds.
+ *
+ * 此入口点仅导出运行时相关代码，不包含任何编辑器依赖。
+ * 用于独立游戏运行时构建。
+ */
+
+// Types
+export {
+    RigidbodyType2D,
+    CollisionDetectionMode2D,
+    type Vector2,
+    type Physics2DConfig,
+    DEFAULT_PHYSICS_CONFIG,
+    CollisionLayer2D,
+    ForceMode2D,
+    type RaycastHit2D,
+    type ShapeCastHit2D,
+    type OverlapResult2D,
+    PhysicsMaterial2DPreset,
+    getPhysicsMaterialPreset,
+    JointType2D
+} from './types/Physics2DTypes';
+
+export {
+    type CollisionEventType,
+    type TriggerEventType,
+    type ContactPoint2D,
+    type CollisionEvent2D,
+    type TriggerEvent2D,
+    PHYSICS_EVENTS,
+    type Physics2DEventMap
+} from './types/Physics2DEvents';
+
+// Components
+export { Rigidbody2DComponent, type RigidbodyConstraints2D } from './components/Rigidbody2DComponent';
+export { Collider2DBase } from './components/Collider2DBase';
+export { BoxCollider2DComponent } from './components/BoxCollider2DComponent';
+export { CircleCollider2DComponent } from './components/CircleCollider2DComponent';
+export { CapsuleCollider2DComponent, CapsuleDirection2D } from './components/CapsuleCollider2DComponent';
+export { PolygonCollider2DComponent } from './components/PolygonCollider2DComponent';
+
+// World
+export { Physics2DWorld, type Physics2DWorldState } from './world/Physics2DWorld';
+
+// Systems
+export { Physics2DSystem, type Physics2DSystemConfig } from './systems/Physics2DSystem';
+
+// Services
+export { Physics2DService } from './services/Physics2DService';
+
+// Runtime Module
+export { PhysicsRuntimeModule } from './PhysicsRuntimeModule';
+export { default as physicsRuntimeModule } from './PhysicsRuntimeModule';