Update farcaster.js

Author: serefyarar

farcaster.js

@@ -76,8 +76,11 @@ class Farcaster {
     }
 
     async sendDirectMessage(recipientFid, message ) {
+        const recipientId = parseInt(recipientFid);
+        const agentId = parseInt(this.agentFID);
+        const conversationId = [recipientId, agentId].sort((a, b) => a - b).join('-');
         return this.#makeApiCall('/direct-cast-send', 'PUT', {
-            conversationId: `${recipientFid}-${this.agentFID}`,
+            conversationId,
             message,
             type: "text",
             recipientFids: [recipientFid],