[dependencies]
candle-wasm-chat-template = { path = "../chat-template" }

use candle_wasm_chat_template::{ChatTemplate, Message, Conversation, ChatTemplateOptions};

// Use a preset template
let template = ChatTemplate::chatml_with_thinking();

// Single-turn
let messages = vec![
    Message::system("You are helpful."),
    Message::user("Hello!"),
];
let prompt = template.apply(&messages, &ChatTemplateOptions::for_generation())?;

// Multi-turn conversation
let mut conv = Conversation::new(ChatTemplate::chatml(), "You are helpful.");
let prompt1 = conv.user_turn("Hello!")?;
// ... generate response ...
conv.assistant_response("Hi there!");
let prompt2 = conv.user_turn("How are you?")?; // includes full history

// Start conversation
model.start_conversation("You are helpful.", false);  // system prompt, thinking

// Chat turn
model.chat("Hello!", 0.7, 0.9, 1.1, 64, 12345);
while (!model.is_eos()) {
    output += model.next_token();
}
model.end_turn();

// Second turn includes history
model.chat("Follow up question...", 0.7, 0.9, 1.1, 64, 12345);
// ...

// In WASM, pass the JSON string from JavaScript
let template = ChatTemplate::from_config_json(tokenizer_config_json)?;