func Run1(ctx context.Context, query string) (string, error) {
	g := genkit.Init(
		ctx,
		genkit.WithPlugins(&anthropic.Anthropic{}),
		genkit.WithDefaultModel("claude-4-opus-20250514"),
		genkit.WithPromptDir(aicommon.WorkDirWith("prompts")),
	)
	prompt := genkit.LookupPrompt(g, "ex")
	if prompt == nil {
		return "", fmt.Errorf("lookup prompt failed")
	}
	ac, err := prompt.Render(ctx, map[string]any{
		"date":     time.Now().Format(time.DateTime),
		"question": query,
		"location": "chian",
	})
	if err != nil {
		return "", err
	}
        // ac.Tools is nil
	log.Info().Any("ac", ac).Msg("render")
	return "", nil
}

---
system: "Answer questions using the tools you have."
tools: 
 - getWeather
input:
  schema:
    location: string
---

What is the weather in {{location}}?