feat(episode-mapping): 映射规则接口与模拟预览、待处理确认 / 忽略、作品页集数映射分区与订阅摘要

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

packages/contracts/src/api.ts

@@ -1,6 +1,7 @@
 import type { z } from "zod";
 import { browserApi } from "./api/browser.ts";
 import { contentApi } from "./api/content.ts";
+import { episodeMappingApi } from "./api/episode-mapping.ts";
 import { executionApi } from "./api/execution.ts";
 import { instancesApi } from "./api/instances.ts";
 import { libraryApi } from "./api/library.ts";
@@ -44,6 +45,7 @@ export const Api = {
   ...browserApi,
   ...schedulesApi,
   ...subtitlesApi,
+  ...episodeMappingApi,
 } as const;
 
 /** 用参数填充 `{name}` 路径占位,返回带 API_PREFIX 的完整路径 */