feat: integrate client and server sharing workflows

web/src/core-bridge/api.ts

@@ -7,9 +7,12 @@ import type { ArchiveEntry, ChannelInfo, ConnectionState, CreateOptions, Workspa
  */
 export interface WorkspaceApi {
   /** 新建频道:本地生成 id 与密钥、算 PoW、POST channels(api.md) */
-  createChannel(opts: CreateOptions): Promise<ChannelInfo>;
+  createChannel(opts: CreateOptions, captchaToken?: string): Promise<ChannelInfo>;
   /** 通过链接加入:先 GET 频道信息预览,再 POST seats */
   joinChannel(link: ParsedChannelLink): Promise<ChannelInfo>;
+  listSaved(): Promise<ChannelInfo[]>;
+  /** 仅从本机删除保存的链接和终端密钥,不会删服务端频道 */
+  forget(id: string): Promise<void>;
   /** 仅假实现提供:载入演示用的频道 */
   loadDemo?(): ChannelInfo[];