// Simple user message
const userMessage: CompletionRequest = {
  role: "user",
  content: "What's the weather like today?"
};

// System message with instructions
const systemMessage: CompletionRequest = {
  role: "system",
  content: "You are a helpful weather assistant. Provide accurate forecasts."
};

// Multimodal message with text and image
const visionMessage: CompletionRequest = {
  role: "user",
  content: [
    { type: "text", text: "What do you see in this image?" },
    {
      type: "image_url",
      image_url: {
        url: "data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEA...", // Base64 encoded image data
        detail: "high"
      }
    }
  ]
};

// Tool response message
const toolResponse: CompletionRequest = {
  role: "tool",
  content: '{"temperature": 72, "condition": "sunny"}',
  tool_call_id: "call_123"
};