Merge pull request #10 from sr-tream/fix-credits-consume

Fix inconsistent credit consumption in chat

Author: rekram1-node

index.mjs

@@ -118,9 +118,10 @@ export async function CopilotAuthPlugin({ client }) {
                   ? JSON.parse(init.body)
                   : init.body;
               if (body?.messages) {
-                isAgentCall = body.messages.some(
-                  (msg) => msg.role && ["tool", "assistant"].includes(msg.role),
-                );
+                if (body.messages.length > 0) {
+                  const lastMessage = body.messages[body.messages.length - 1];
+                  isAgentCall = lastMessage.role && ["tool", "assistant"].includes(lastMessage.role);
+                }
                 isVisionRequest = body.messages.some(
                   (msg) =>
                     Array.isArray(msg.content) &&