docs: rebrand to KatelyaTV and add release notes\n\n- Update QUICKSTART, PROJECT_STATUS, CONTRIBUTING, CHANGELOG\n- Add RELEASE_NOTES.md for v0.1.0-katelya\n- UI text: replace MoonTV mentions where user-facing\n- Config defaults: SITE_NAME -> KatelyaTV\n- Version check: allow env override, keep MoonTV fallback\n- Upstash client: add KatelyaTV global symbol with legacy alias\n- LocalStorage: migrate keys to katelyatv_* with legacy fallback

src/lib/version.ts

@@ -11,11 +11,15 @@ export enum UpdateStatus {
   FETCH_FAILED = 'fetch_failed', // 获取失败
 }
 
-// 远程版本检查URL配置
+// 远程版本检查URL配置（支持环境变量覆盖，并保留 MoonTV 上游作为后备）
+const ENV_PRIMARY = process.env.NEXT_PUBLIC_VERSION_URL_PRIMARY;
+const ENV_BACKUP = process.env.NEXT_PUBLIC_VERSION_URL_BACKUP;
 const VERSION_CHECK_URLS = [
+  ENV_PRIMARY,
+  ENV_BACKUP,
   'https://ghfast.top/raw.githubusercontent.com/senshinya/MoonTV/main/VERSION.txt',
   'https://raw.githubusercontent.com/senshinya/MoonTV/main/VERSION.txt',
-];
+].filter(Boolean) as string[];
 
 /**
  * 检查是否有新版本可用