Macro application 

macro_rules! application {
    (
        schema "saddle-application/1";
        application $application:ident;
        $($declaration:tt)*
    ) => { ... };
    ($($invalid:tt)*) => { ... };
}

Declares the sole generated Saddle application in a business crate.

The Skill emits a private __saddle_generated module beside this invocation. Only the generated application marker can move that module’s bootstrap owner into the facade.