import Anthropic from '@anthropic-ai/sdk'

let _client: Anthropic | null = null

export function getAnthropicClient(): Anthropic {
  const config = useRuntimeConfig()
  if (!config.anthropicApiKey) {
    throw new Error('ANTHROPIC_API_KEY is not configured')
  }
  if (!_client) {
    _client = new Anthropic({ apiKey: config.anthropicApiKey as string })
  }
  return _client
}