Feature/tilemap editor (#237)

* feat: 添加 Tilemap 编辑器插件和组件生命周期支持

* feat(editor-core): 添加声明式插件注册 API

* feat(editor-core): 改进tiledmap结构合并tileset进tiledmapeditor

* feat: 添加 editor-runtime SDK 和插件系统改进

* fix(ci): 修复SceneResourceManager里变量未使用问题

packages/tilemap-editor/src/index.ts

@@ -0,0 +1,30 @@
+/**
+ * Tilemap Editor Package
+ */
+
+// Plugin
+export { TilemapEditorPlugin, tilemapEditorPlugin } from './TilemapEditorPlugin';
+export { tilemapEditorPluginDefinition } from './TilemapEditorPluginDefinition';
+
+// Components
+export { TilemapEditorPanel } from './components/panels/TilemapEditorPanel';
+export { TilesetPanel } from './components/panels/TilesetPanel';
+export { TilemapCanvas } from './components/TilemapCanvas';
+export { TilesetPreview } from './components/TilesetPreview';
+
+// Store
+export { useTilemapEditorStore } from './stores/TilemapEditorStore';
+export type { TilemapEditorState, TilemapToolType, TileSelection } from './stores/TilemapEditorStore';
+
+// Tools
+export type { ITilemapTool, ToolContext } from './tools/ITilemapTool';
+export { BrushTool } from './tools/BrushTool';
+export { EraserTool } from './tools/EraserTool';
+export { FillTool } from './tools/FillTool';
+
+// Providers
+export { TilemapInspectorProvider } from './providers/TilemapInspectorProvider';
+
+// Default export
+import { tilemapEditorPlugin as _plugin } from './TilemapEditorPlugin';
+export default _plugin;