//! Detection logic for catch-all servers.
/// Checks if the server returns 200 for a clearly non-existent path.
pub async fnis_catch_all(client:&reqwest::Client, base:&str)->bool{let probe_url =format!("{}/.gossan-probe-nonexistent-xkcd7392/", base);
client
.get(&probe_url).send().await
.map(|r|r.status().as_u16()==200).unwrap_or(false)}