对话式 Agent

/**
 * Agentic chat using AG-Kit Agents
 */

import { Agent, OpenAIProvider } from '@ag-kit/agents';

/**
 * Create agentic chat agent
 */
export function createAgenticChatAgent(): Agent {
  const provider = new OpenAIProvider({
    apiKey: process.env.OPENAI_API_KEY!,
    defaultModel: process.env.OPENAI_MODEL || 'gpt-4o-mini',
    baseURL: process.env.OPENAI_BASE_URL
  });

  return new Agent({
    name: 'agentic-chat-agent',
    description: 'A helpful AI assistant',
    model: provider,
    instructions: 'You are a helpful assistant.',
    modelSettings: {
      temperature: 0.7,
      maxTokens: 4096
    }
  });
}

// No pre-created agent instance to avoid environment variable issues