Function run_studio 

pub fn run_studio(
    config: Config,
    repo: Option<Arc<GitRepo>>,
    commit_service: Option<Arc<GitCommitService>>,
    agent_service: Option<Arc<IrisAgentService>>,
    initial_mode: Option<Mode>,
    from_ref: Option<String>,
    to_ref: Option<String>,
) -> Result<()>

Run Iris Studio