同步主站 Cocos 当前工程：关卡资源、运行脚本与打包工具。

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

assets/scripts/level/LevelIds.ts

@@ -5,3 +5,14 @@ export const LEVEL_ID_BASE = 91601;
 export function isGameLevelId(levelID: number): boolean {
     return Number.isFinite(levelID) && levelID >= LEVEL_ID_BASE;
 }
+
+/**
+ * 主站练习题批次主题（只覆盖 91601–94000）：
+ * LA/LB 91601–92200 silu；LC/LD 92201–92800 chinese；LE/LF 92801–94000 numMan
+ */
+export function themeForLevelId(levelID: number): string | undefined {
+    if (levelID >= 91601 && levelID <= 92200) return 'silu';
+    if (levelID >= 92201 && levelID <= 92800) return 'chinese';
+    if (levelID >= 92801 && levelID <= 94000) return 'numMan';
+    return undefined;
+}