/// ALPN identifying the pixelpass video wire protocol on the iroh tunnel.
///
/// Bump the version suffix whenever the wire format changes. Today the wire is
/// "raw MPEG-TS bytes copied bidirectionally," so bumps will be rare.
pub const ALPN: &[u8] = b"pixelpass/0";

/// ALPN for the friends control plane — the always-on presence endpoint that
/// carries friend requests and shared codes between peers' GUIs. Separate from
/// [`ALPN`] so the same machine can run a control endpoint and a video endpoint
/// without their accept loops colliding, and so a control dial never lands on a
/// bare video host (which doesn't speak this protocol). GUI-only, like the rest
/// of the friends stack.
#[cfg(feature = "gui")]
pub const CONTROL_ALPN: &[u8] = b"pixelpass/ctrl/0";