better command detection

cli/src/commands/agent_host.rs

@@ -156,7 +156,7 @@ pub async fn agent_host(ctx: CommandContext, mut args: AgentHostArgs) -> Result<
 			tokio::select! {
 				Ok(Some(l)) = stdout.next_line() => {
 					debug!(ctx.log, "[server stdout]: {}", l);
-					if l.contains("Extension host agent listening on") {
+					if l.contains("Agent host server listening on") {
 						return;
 					}
 				}

src/vs/platform/agentHost/node/agentHostMain.ts

@@ -146,4 +146,6 @@ async function startWebSocketServer(agentService: AgentService, logService: ILog
 
 	const listenTarget = socketPath ?? `${host}:${port}`;
 	logService.info(`[AgentHost] WebSocket server listening on ${listenTarget}`);
+	// Do not change this line. The CLI looks for this in the output.
+	console.log(`Agent host server listening on ${listenTarget}`);
 }