fix(service): fall back after installation verification rejects cores

src-tauri/src/core/manager/lifecycle.rs

@@ -62,7 +62,11 @@ const fn can_allow_sidecar_for_session(running_mode: &RunningMode, service_statu
                 | ServiceStatus::NeedsReinstall
                 | ServiceStatus::InstallRequired
                 | ServiceStatus::Unavailable(_)
-        ) | (RunningMode::Sidecar, ServiceStatus::InstallRequired)
+                | ServiceStatus::SidecarAllowed
+        ) | (
+            RunningMode::Sidecar,
+            ServiceStatus::InstallRequired | ServiceStatus::Unavailable(_) | ServiceStatus::SidecarAllowed
+        )
     )
 }
 
@@ -381,7 +385,9 @@ impl CoreManager {
         if matches!(*mode, RunningMode::NotRunning) {
             clash_verge_service_ipc::execution::check_sidecar_available().await?;
         }
-        SERVICE_MANAGER.allow_sidecar_for_session()?;
+        if !matches!(status, ServiceStatus::SidecarAllowed) {
+            SERVICE_MANAGER.allow_sidecar_for_session()?;
+        }
         // Settling on Sidecar is what makes the verdict final, so ask only once it is recorded.
         // Elevation alone carries TUN on Sidecar; a Sidecar that cannot must write it off.
         let prepared = async {
@@ -1474,12 +1480,18 @@ mod tests {
             ServiceStatus::NeedsReinstall,
             ServiceStatus::InstallRequired,
             ServiceStatus::Unavailable("offline".into()),
+            ServiceStatus::SidecarAllowed,
         ];
         for status in &allowed_statuses {
             assert!(can_allow_sidecar_for_session(&RunningMode::NotRunning, status));
             assert!(!can_allow_sidecar_for_session(&RunningMode::Service, status));
-            if !matches!(status, ServiceStatus::InstallRequired) {
+            if !matches!(
+                status,
+                ServiceStatus::InstallRequired | ServiceStatus::Unavailable(_) | ServiceStatus::SidecarAllowed
+            ) {
                 assert!(!can_allow_sidecar_for_session(&RunningMode::Sidecar, status));
+            } else {
+                assert!(can_allow_sidecar_for_session(&RunningMode::Sidecar, status));
             }
         }
 
@@ -1489,7 +1501,6 @@ mod tests {
             ServiceStatus::UninstallRequired,
             ServiceStatus::ReinstallRequired,
             ServiceStatus::ForceReinstallRequired,
-            ServiceStatus::SidecarAllowed,
         ];
         for status in &rejected_statuses {
             assert!(!can_allow_sidecar_for_session(&RunningMode::NotRunning, status));

src-tauri/src/core/runstate/probe.rs

@@ -47,9 +47,7 @@ pub fn classify_service_version_reply(reply: &ServiceVersionReply) -> ServiceVer
         return match &reply.core {
             Some(clash_verge_service_ipc::CoreAvailability::Ready) => ServiceVersionCheck::Ready,
             Some(clash_verge_service_ipc::CoreAvailability::Rejected { reason }) => {
-                ServiceVersionCheck::CoreUnavailable(format!(
-                    "approved core was rejected: {reason}; reinstall the service to repair it"
-                ))
+                ServiceVersionCheck::CoreUnavailable(format!("approved core was rejected: {reason}"))
             }
             _ => ServiceVersionCheck::CoreUnavailable(
                 "the selected approved core is missing or does not match; reinstall the service to repair it".into(),