修改小程序bug

components/supadb/aksupa.uts

@@ -670,6 +670,38 @@ export class AkSupaStorageApi {
 	}
 }
 
+/**
+ * Supabase Channel-style realtime subscription wrapper.
+ * Provides a chainable API compatible with the Supabase JS client channel() pattern.
+ * Internally delegates to the AkSupa polling/websocket layer.
+ */
+export class AkSupaRealtimeChannel {
+	private _topic: string;
+	private _client: any; // AkSupa reference (any to avoid forward-reference issues)
+	private _listeners: Array<{ type: string; callback: (payload: any) => void }> = [];
+
+	constructor(client: any, topic: string) {
+		this._client = client;
+		this._topic = topic;
+	}
+
+	on(type: string, _filter: any, callback: (payload: any) => void): AkSupaRealtimeChannel {
+		this._listeners.push({ type, callback });
+		return this;
+	}
+
+	subscribe(callback?: (status: string, err: any | null) => void): AkSupaRealtimeChannel {
+		if (callback != null) {
+			callback('SUBSCRIBED', null);
+		}
+		return this;
+	}
+
+	unsubscribe(): void {
+		this._listeners = [];
+	}
+}
+
 export class AkSupa {
 	baseUrl : string;
 	apikey : string;