Type Route Cutovers + Reduce IP Tracker cleanup pressure

src/proxy/tests/client_security_tests.rs

@@ -661,7 +661,7 @@ async fn integration_route_cutover_and_quota_overlap_fails_closed_and_releases_s
 
     assert!(
         matches!(relay_result, Err(ProxyError::DataQuotaExceeded { .. }))
-            || matches!(relay_result, Err(ProxyError::Proxy(ref msg)) if msg == crate::proxy::route_mode::ROUTE_SWITCH_ERROR_MSG),
+            || matches!(relay_result, Err(ProxyError::RouteSwitched)),
         "overlap race must fail closed via quota enforcement or generic cutover termination"
     );
 

src/proxy/tests/direct_relay_security_tests.rs

@@ -1491,7 +1491,7 @@ async fn direct_relay_cutover_midflight_releases_route_gauge() {
     assert!(
         matches!(
             relay_result,
-            Err(ProxyError::Proxy(ref msg)) if msg == ROUTE_SWITCH_ERROR_MSG
+            Err(ProxyError::RouteSwitched)
         ),
         "client-visible cutover error must stay generic and avoid route-internal metadata"
     );
@@ -1631,7 +1631,7 @@ async fn direct_relay_cutover_storm_multi_session_keeps_generic_errors_and_relea
         assert!(
             matches!(
                 relay_result,
-                Err(ProxyError::Proxy(ref msg)) if msg == ROUTE_SWITCH_ERROR_MSG
+                Err(ProxyError::RouteSwitched)
             ),
             "storm-cutover termination must remain generic for all direct sessions"
         );
@@ -1937,7 +1937,7 @@ async fn adversarial_direct_relay_cutover_integrity() {
     assert!(
         matches!(
             result,
-            Err(ProxyError::Proxy(ref msg)) if msg == ROUTE_SWITCH_ERROR_MSG
+            Err(ProxyError::RouteSwitched)
         ),
         "Session must terminate with route switch error on cutover"
     );