Function handle_init_from_dotenv 

pub async fn handle_init_from_dotenv(
    from_dotenv: bool,
    requested_modes: &[String],
    secrets: &[String],
    force: bool,
    dry_run: bool,
) -> Result<()>

Initialize a workspace by copying conventional dotenv sources into Shine’s explicit TOML source format. The original dotenv files are never modified.