Embed hrns in your Go code

package main

import (
    "context"
    "fmt"

    "github.com/mishankov/hrns/loop"
    "github.com/mishankov/hrns/openai"
)

func main() {
    ctx := context.Background()

    client := openai.NewClient(
        openai.WithBaseURL("https://your-provider.example/v1"),
        openai.WithAPIKey("your-api-key"),
    )

    agent := loop.New(
        client,
        map[string]loop.Tool{
            "echo": loop.NewSimpleTool(
                "Echoes text back to the model",
                []loop.ToolArgument{{Name: "value", Type: "string"}},
                func(args map[string]any) string {
                    value, _ := args["value"].(string)
                    return "echo: " + value
                },
            ),
        },
    )

    messages := []openai.Message{
        openai.SystemMessage("You are a precise coding assistant."),
        openai.UserMessage("Call echo with the word hello."),
    }

    go agent.RunLoop(ctx, messages, "your-model")

    for chunk := range agent.Chunks() {
        fmt.Printf("%s %#v\n", chunk.Type, chunk)
        if chunk.Type == loop.ChunkTypeEnd {
            break
        }
    }
}

messages := agent.Messages()