refactor(agent): run harness loop directly

packages/agent/src/agent.ts

@@ -21,10 +21,13 @@ import type {
 	AgentTool,
 	BeforeToolCallContext,
 	BeforeToolCallResult,
+	QueueMode,
 	StreamFn,
 	ToolExecutionMode,
 } from "./types.js";
 
+export type { QueueMode } from "./types.js";
+
 function defaultConvertToLlm(messages: AgentMessage[]): Message[] {
 	return messages.filter(
 		(message) => message.role === "user" || message.role === "assistant" || message.role === "toolResult",
@@ -53,8 +56,6 @@ const DEFAULT_MODEL = {
 	maxTokens: 0,
 } satisfies Model<any>;
 
-export type QueueMode = "all" | "one-at-a-time";
-
 type MutableAgentState = Omit<AgentState, "isStreaming" | "streamingMessage" | "pendingToolCalls" | "errorMessage"> & {
 	isStreaming: boolean;
 	streamingMessage?: AgentMessage;