Function to_json 

pub fn to_json(
    messages: &[Message],
    config: &OutputConfig,
) -> Result<String, ChatpackError>

Converts messages to a JSON array string.

Same format as write_json, but returns a String instead of writing to a file. Useful for WASM environments or API responses.

Examples

use chatpack::prelude::*;

let messages = vec![Message::new("Alice", "Hello!")];
let json = to_json(&messages, &OutputConfig::new())?;

assert!(json.contains(r#""sender": "Alice""#));