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/LevelTileLayout.ts

@@ -0,0 +1,53 @@
+import { _decorator, Component } from 'cc';
+import { LevelMapData } from './LevelMapData';
+import { layoutLevelTiles } from './TileLayout';
+import { LevelConfig } from './LevelTypes';
+
+const { ccclass, executionOrder } = _decorator;
+
+/**
+ * 挂在 LevelN 根节点：运行时首帧按 levels-database 重新对齐砖块。
+ * 解决「编辑器 JSON 正确、运行预览叠在一起 / 只显示一块」。
+ */
+@ccclass('LevelTileLayout')
+@executionOrder(-50)
+export class LevelTileLayout extends Component {
+    /** 运行时权威配置（来自 levels-database.json，优先于预制体 LevelMapData） */
+    runtimeConfig: LevelConfig | null = null;
+
+    start() {
+        this.applyLayout();
+        this.scheduleOnce(() => this.applyLayout(), 0);
+    }
+
+    setRuntimeConfig(config: LevelConfig) {
+        this.runtimeConfig = config;
+    }
+
+    applyLayout() {
+        const config = this.runtimeConfig ?? this.configFromMapData();
+        if (!config) return;
+        layoutLevelTiles(this.node, config);
+    }
+
+    private configFromMapData(): LevelConfig | null {
+        const md = this.getComponent(LevelMapData);
+        if (!md) return null;
+        let ground: LevelConfig['ground'];
+        let border: LevelConfig['border'];
+        try {
+            ground = JSON.parse(md.groundJson || '{}');
+            border = JSON.parse(md.borderJson || '{}');
+        } catch {
+            return null;
+        }
+        return {
+            levelID: md.levelID,
+            boundary: { x: 0, y: 0 },
+            spawns: [],
+            theme: md.theme || 'silu',
+            ground,
+            border,
+        };
+    }
+}