feat(web): 改为通过 WebSocket 推送 ttyd 状态并清理轮询与冗余接口

web/src/types/generated.ts

@@ -667,12 +667,6 @@ export interface TtydConfigUpdate {
 	shell?: string;
 }
 
-/** Simple ttyd status for console view */
-export interface TtydStatus {
-	available: boolean;
-	running: boolean;
-}
-
 export interface VideoConfigUpdate {
 	device?: string;
 	format?: string;