Autonomous AI Agents in Production: Deterministic Orchestration, Memory, & Eval Systems

import { z } from "zod";

export interface AgentState {
  taskId: string;
  currentStep: "PLAN" | "TOOL_EXECUTION" | "VERIFICATION" | "COMPLETED" | "FAILED";
  stepCount: number;
  maxSteps: number;
  memoryHistory: Array<{ role: string; content: string }>;
  collectedArtifacts: Record<string, unknown>;
}

export async function executeAgentLoop(state: AgentState): Promise<AgentState> {
  const MAX_STEP_LIMIT = 8;
  
  while (state.currentStep !== "COMPLETED" && state.currentStep !== "FAILED") {
    state.stepCount++;
    if (state.stepCount > MAX_STEP_LIMIT) {
      console.warn(`[CircuitBreaker] Max steps exceeded for task ${state.taskId}`);
      state.currentStep = "FAILED";
      break;
    }

    switch (state.currentStep) {
      case "PLAN":
        state = await planNextAction(state);
        break;
      case "TOOL_EXECUTION":
        state = await executeDeterministicTool(state);
        break;
      case "VERIFICATION":
        state = await verifyToolOutputs(state);
        break;
      default:
        state.currentStep = "FAILED";
    }
  }

  return state;
}