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>

tools/sync-unity-package-to-static.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# 将运行时包同步到 scratch-gui/static/unity/
+# 与 OSS unitycdndir 内容完全一致：Build/ + StreamingAssets/ + levels-database.*
+#
+#   bash tools/sync-unity-package-to-static.sh <packDir> <staticUnityDir>
+set -euo pipefail
+
+PACK_DIR="$(cd "${1:?packDir}" && pwd)"
+UNITY_STATIC="$(cd "${2:?staticUnityDir}" && pwd)"
+DRY_RUN="${DRY_RUN:-0}"
+
+if [[ ! -f "$PACK_DIR/Build/mstest5.loader.js" ]]; then
+  echo "错误: 缺少 $PACK_DIR/Build/mstest5.loader.js" >&2
+  exit 1
+fi
+if [[ ! -f "$PACK_DIR/StreamingAssets/aa/catalog.json" ]]; then
+  echo "错误: 缺少 $PACK_DIR/StreamingAssets/aa/catalog.json" >&2
+  exit 1
+fi
+
+mkdir -p "$UNITY_STATIC/Build" "$UNITY_STATIC/StreamingAssets"
+
+RSYNC_FLAGS=(-a --delete)
+[[ "$DRY_RUN" -eq 1 ]] && RSYNC_FLAGS=(-a -n -v)
+
+echo "==> 同步运行时包 → static/unity（与 OSS unitycdndir 相同）"
+echo "    源: $PACK_DIR"
+echo "    目标: $UNITY_STATIC"
+
+rsync "${RSYNC_FLAGS[@]}" "$PACK_DIR/Build/" "$UNITY_STATIC/Build/"
+rsync "${RSYNC_FLAGS[@]}" "$PACK_DIR/StreamingAssets/" "$UNITY_STATIC/StreamingAssets/"
+
+for db in levels-database.json levels-database.json.br; do
+  if [[ -f "$PACK_DIR/$db" ]]; then
+    if [[ "$DRY_RUN" -eq 1 ]]; then
+      echo "    [dry-run] cp $PACK_DIR/$db → $UNITY_STATIC/"
+    else
+      cp "$PACK_DIR/$db" "$UNITY_STATIC/$db"
+      echo "    copied $db"
+    fi
+  fi
+done
+
+if [[ "$DRY_RUN" -eq 0 ]]; then
+  for legacy in index.js application.js cocos-bridge.js assets cocos-js src index.html TemplateData; do
+    if [[ -e "$UNITY_STATIC/$legacy" ]]; then
+      rm -rf "$UNITY_STATIC/$legacy"
+      echo "    removed legacy: $legacy"
+    fi
+  done
+fi
+
+echo "==> 完成。usecdn:false → /unity/ ；usecdn:true → unitycdndir（文件相同）"