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/resources/map-tiles/_palette.json

@@ -0,0 +1,36 @@
+{
+  "tiles": [
+    {
+      "name": "MapTile_Baseblock",
+      "display": "地面 Baseblock",
+      "layer": "ground",
+      "tileKey": "Baseblock",
+      "texture": "textures/silu/Baseblock",
+      "prefab": "map-tiles/MapTile_Baseblock"
+    },
+    {
+      "name": "MapTile_JumpBlock",
+      "display": "跳跃 JumpBlock",
+      "layer": "ground",
+      "tileKey": "JumpBlock",
+      "texture": "textures/silu/JumpBlock",
+      "prefab": "map-tiles/MapTile_JumpBlock"
+    },
+    {
+      "name": "MapTile_WallBlock",
+      "display": "墙 WallBlock",
+      "layer": "border",
+      "tileKey": "WallBlock",
+      "texture": "textures/silu/WallBlock",
+      "prefab": "map-tiles/MapTile_WallBlock"
+    },
+    {
+      "name": "MapTile_Decor23",
+      "display": "装饰 素材23",
+      "layer": "border",
+      "tileKey": "Decor23",
+      "texture": "textures/silu/kuai11",
+      "prefab": "map-tiles/MapTile_Decor23"
+    }
+  ]
+}