feat(routing): require explicit inbound DID routes and normalize SIP identities for provider-based number matching

rust/crates/proxy-engine/src/voicemail.rs

@@ -128,8 +128,8 @@ async fn record_from_socket(
                     break; // Max duration reached.
                 }
             }
-            Ok(Err(_)) => break,     // Socket error (closed).
-            Err(_) => break,          // Timeout (max duration + grace).
+            Ok(Err(_)) => break, // Socket error (closed).
+            Err(_) => break,     // Timeout (max duration + grace).
         }
     }