pub fn emit(
category: ObsCat,
message: String,
payloads: Vec<(String, String)>,
sample: Option<u64>,
site: u64,
)Expand description
Emit an event. Honors per-site sampling: with sample = Some(n) and a
stable site id, only 1 in every n reaching this site is buffered (the
first, then every nth). Sampling is a rendering decision — replay with
capture-everything regenerates the full stream.