Conversation history

use corbusier::context::{CorrelationId, RequestContext, SessionId, UserId};
use corbusier::tenant::TenantId;
use corbusier::message::{
    adapters::memory::InMemoryMessageRepository,
    domain::{
        ContentPart, ConversationId, Message, MessageMetadata, Role, SequenceNumber, TextPart,
    },
    ports::repository::MessageRepository,
};
use mockable::DefaultClock;

async fn load_history() -> Result<(), Box<dyn std::error::Error>> {
    let repo = InMemoryMessageRepository::new();
    let clock = DefaultClock;
    let conversation_id = ConversationId::new();
    let ctx = RequestContext::new(
        TenantId::new(),
        CorrelationId::new(),
        UserId::new(),
        SessionId::new(),
    );

    let message = Message::builder(conversation_id, Role::User, SequenceNumber::new(1))
        .with_content(ContentPart::Text(TextPart::new("Hello")))
        .with_metadata(MessageMetadata::with_agent_backend("claude"))
        .build(&clock)?;

    repo.store(&ctx, &message).await?;

    let history = repo.find_by_conversation(&ctx, conversation_id).await?;
    assert_eq!(history.len(), 1);
    Ok(())
}