{
  agent = {
    default_provider | default = "claude",
    models = {
      claude | default = "claude-3-5-haiku-20241022",
      openai | default = "gpt-4o-mini",
      gemini | default = "gemini-2.0-flash-exp",
      ollama | default = "llama2",
    },
    defaults = {
      max_tokens | default = 4096,
      temperature | default = 0.7,
      streaming | default = true,
    },
    template = {
      engine | default = "tera",
      strict_variables | default = false,
    },
    validation = {
      enabled | default = true,
      strict | default = false,
    },
    output = {
      format | default = "markdown",
      color | default = true,
      timestamp | default = false,
    },
    logging = {
      level | default = "info",
      file | default = false,
    },
  },
}