Network Type Transition Optimization

Nucleic-Session: 40F8C53A-F001-423A-8607-EAE181DBE14B Co-authored-by: Nucleic <[email protected]>
2026-07-04 23:39:26 -07:00
parent f988f660fe
commit ce4028ffc8
1 changed files with 5 additions and 1 deletions
@@ -180,7 +180,11 @@ final class HostConnection {
        relay: (membershipToken: String?, url: String?)? = nil
    ) -> [TransportAttempt] {
        var candidates: [TransportAttempt] = []
-        if let endpoint = discovery.endpoint(forFingerprint: fingerprint, lanHost: lanHost, lanPort: lanPort) {
+        // Only offer LAN when the device actually has a LAN-capable path (Wi-Fi/wired). On cellular
+        // the pinned `lanHost:lanPort` is unreachable, so including it here would just burn the
+        // connect timeout before falling through — skip it and dial tailnet/relay immediately.
+        if pathMonitor.canUseLAN,
+           let endpoint = discovery.endpoint(forFingerprint: fingerprint, lanHost: lanHost, lanPort: lanPort) {
            candidates.append(.lan(endpoint))
        }
        if let tailnet, let host = tailnet.host, let port = tailnet.port, TailnetSupport.isBuiltIn {