status shows each home relay: connected, down with the error, or denied

iroh 1.3's home_relay_status, on GlobalStatus as relays (absent when
empty, so older clients parse it). The thing we lacked when fetches
timed out: whether this daemon can be reached through a relay at all.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

varde-ctl/src/main.rs

@@ -272,6 +272,15 @@ fn print_human(data: Option<&ResponseData>) {
             println!("store:    {}", s.store_path);
             println!("pins:     {}", s.pins);
             println!("peers:    {} connected", s.connected_peers);
+            for r in &s.relays {
+                let how = match (&r.auth_denied, &r.last_error, r.connected) {
+                    (Some(reason), _, _) => format!("denied: {reason}"),
+                    (None, Some(err), false) => format!("down: {err}"),
+                    (None, None, false) => "connecting".to_string(),
+                    (None, _, true) => "connected".to_string(),
+                };
+                println!("relay:    {} {how}", r.url);
+            }
         }
         ResponseData::HashStatus(h) => {
             println!("hash:     {}", h.hash);