Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

assets/scripts/level/LevelRuntimeContext.ts

@@ -0,0 +1,18 @@
+import { Vec3 } from 'cc';
+import { LevelConfig } from './LevelTypes';
+
+/** 关卡运行时上下文（避免 TileLayout ↔ GameController 循环依赖） */
+export interface LevelRuntimeContext {
+    getCurLevel(): LevelConfig | null;
+    worldToCell(world: Vec3): Vec3;
+}
+
+let runtimeContext: LevelRuntimeContext | null = null;
+
+export function setLevelRuntimeContext(ctx: LevelRuntimeContext | null): void {
+    runtimeContext = ctx;
+}
+
+export function getLevelRuntimeContext(): LevelRuntimeContext | null {
+    return runtimeContext;
+}