feat(tmdb): 剧集组列表与详情适配(组序号即季号,保留 TMDB 原季集号)

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

packages/adapters/src/tmdb/index.ts

@@ -1,6 +1,7 @@
 export { RequestLimiter, TtlLruCache } from "./cache.ts";
 export * from "./client.ts";
 export * from "./details.ts";
+export * from "./episode-groups.ts";
 export * from "./match.ts";
 export * from "./recall.ts";
 export * from "./translations.ts";