Constant APP_NAME 

pub const APP_NAME: &str;

The application name used in help + version output. Mirrors TS APP_NAME (the TS bin is "pi"; the Rust crate publishes under the rpi- namespace, so the binary + displayed name is "rpi" to match).

Aliases rpi_plugin_sdk::HOST_NAME — the plugin contract owns the identity, so an extension can label its output (a trace name, a tag) without hardcoding a brand that a rename would silently invalidate.