fix(service): harden transient IPC handling

src-tauri/src/core/logger.rs

@@ -17,11 +17,15 @@ use log::{Level, LevelFilter, Record};
 use parking_lot::{Mutex, RwLock};
 
 use crate::{
-    core::service,
+    core::{CoreManager, manager::RunningMode, service},
     singleton,
     utils::dirs::{self, sidecar_log_dir},
 };
 
+const fn should_sync_service_writer(running_mode: RunningMode) -> bool {
+    matches!(running_mode, RunningMode::Service)
+}
+
 pub struct Logger {
     handle: Arc<Mutex<Option<LoggerHandle>>>,
     sidecar_file_writer: Arc<RwLock<Option<FileLogWriter>>>,
@@ -178,14 +182,17 @@ impl Logger {
         let sidecar_writer = self.generate_sidecar_writer()?;
         *self.sidecar_file_writer.write() = Some(sidecar_writer);
 
-        // update service writer config
-        if service::SERVICE_MANAGER.is_ready_cached() {
-            service::update_writer_by_service(&clash_verge_service_ipc::WriterConfig {
+        // The service writer is auxiliary to the local logger. Synchronize it only
+        // for an active service session and do not roll back local settings on failure.
+        if should_sync_service_writer(*CoreManager::global().get_running_mode())
+            && let Err(error) = service::update_writer_by_service(&clash_verge_service_ipc::WriterConfig {
                 directory: String::new(),
                 max_log_size: log_max_size * 1024,
                 max_log_files: log_max_count,
             })
-            .await?;
+            .await
+        {
+            logging!(warn, Type::Service, "failed to update service writer config: {error:#}");
         }
 
         Ok(())
@@ -224,3 +231,16 @@ impl Logger {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::should_sync_service_writer;
+    use crate::core::manager::RunningMode;
+
+    #[test]
+    fn service_writer_sync_requires_service_running_mode() {
+        assert!(should_sync_service_writer(RunningMode::Service));
+        assert!(!should_sync_service_writer(RunningMode::Sidecar));
+        assert!(!should_sync_service_writer(RunningMode::NotRunning));
+    }
+}

src-tauri/src/core/service.rs

@@ -107,7 +107,6 @@ const fn classify_service_install_state(current: CurrentServiceProbe, has_instal
     match current {
         CurrentServiceProbe::Ready => ServiceInstallState::Ready,
         CurrentServiceProbe::VersionMismatch => ServiceInstallState::NeedsReinstall,
-        CurrentServiceProbe::Unavailable if has_install_marker => ServiceInstallState::NeedsReinstall,
         CurrentServiceProbe::Unavailable => ServiceInstallState::Unavailable,
         CurrentServiceProbe::Missing if has_install_marker => ServiceInstallState::NeedsReinstall,
         CurrentServiceProbe::Missing => ServiceInstallState::NotInstalled,
@@ -304,7 +303,7 @@ fn trusted_service_evidence() -> Result<bool> {
 }
 
 async fn detect_service_install_state() -> ServiceInstallState {
-    let markers = match trusted_service_evidence() {
+    let has_trusted_install_marker = match trusted_service_evidence() {
         Ok(exists) => exists,
         Err(error) => {
             logging!(
@@ -316,7 +315,7 @@ async fn detect_service_install_state() -> ServiceInstallState {
         }
     };
 
-    if !markers {
+    if !has_trusted_install_marker {
         return classify_service_install_state(CurrentServiceProbe::Missing, false);
     }
 
@@ -329,7 +328,7 @@ async fn detect_service_install_state() -> ServiceInstallState {
         }
     };
 
-    classify_service_install_state(current, markers)
+    classify_service_install_state(current, has_trusted_install_marker)
 }
 
 pub struct ServiceManager {
@@ -1412,7 +1411,6 @@ impl ServiceManager {
         }
     }
 
-    #[cfg(target_os = "windows")]
     pub async fn confirm_ready(&self) -> Result<()> {
         let reply = probe_service_version_once()
             .await
@@ -1545,14 +1543,7 @@ impl ServiceManager {
     }
 
     pub async fn refresh(&self) -> Result<()> {
-        self.run_operation(async {
-            apply_service_version_result(
-                self,
-                probe_service_version_once().await,
-                "failed to refresh service protocol",
-            )
-        })
-        .await
+        self.run_operation(async { self.confirm_ready().await }).await
     }
 
     pub async fn handle_service_status(&self, status: ServiceStatus) -> Result<()> {
@@ -2204,7 +2195,7 @@ mod tests {
         );
         assert_eq!(
             classify_service_install_state(CurrentServiceProbe::Unavailable, true),
-            ServiceInstallState::NeedsReinstall
+            ServiceInstallState::Unavailable
         );
     }
 

src/components/proxy/proxy-empty-state-model.ts

@@ -29,7 +29,7 @@ interface ProxyEmptyStateInput {
 const isSubscriptionProfile = (item: { type?: string }): boolean =>
   item.type === 'remote' || item.type === 'local'
 
-export const hasRenderableProxyContent = (
+const hasRenderableProxyContent = (
   proxyView: ProxyViewV1 | undefined,
   mode: string,
   isChainMode: boolean,

src/components/shared/proxy-control-switches.tsx

@@ -135,7 +135,7 @@ const ProxyControlSwitches = ({
   const { uninstallServiceAndStartSidecar } = useServiceUninstaller()
   const { indicator: systemProxyIndicator, toggleSystemProxy } =
     useSystemProxyState()
-  const { isServiceOk, isTunModeAvailable, mutateSystemState } =
+  const { isServiceInstallReady, isTunModeAvailable, mutateSystemState } =
     useSystemState()
 
   const sysproxyRef = useRef<DialogRef>(null)
@@ -225,7 +225,7 @@ const ProxyControlSwitches = ({
                   />
                 </>
               )}
-              {isServiceOk && (
+              {isServiceInstallReady && (
                 <TooltipIcon
                   title={t(
                     'settings.sections.proxyControl.actions.uninstallService',

src/hooks/use-system-state.ts

@@ -16,14 +16,14 @@ import { useVisibility } from './use-visibility'
 export interface SystemState {
   runningMode: RunningMode
   isAdminMode: boolean
-  isServiceOk: boolean
+  isServiceInstallReady: boolean
   serviceInstallState: ServiceInstallState | null
 }
 
 const defaultSystemState = {
   runningMode: 'Sidecar',
   isAdminMode: false,
-  isServiceOk: false,
+  isServiceInstallReady: false,
   serviceInstallState: null,
 } as SystemState
 
@@ -36,19 +36,19 @@ export const fetchSystemState = async (): Promise<SystemState> => {
   return {
     runningMode,
     isAdminMode,
-    isServiceOk: serviceInstallState === 'ready',
+    isServiceInstallReady: serviceInstallState === 'ready',
     serviceInstallState,
   }
 }
 
 const isServiceChoicePending = (
   state: ServiceInstallState | null,
-  serviceAvailable: boolean,
+  serviceInstallReady: boolean,
   queryFailed: boolean,
 ) =>
   queryFailed ||
   state === 'sidecarAllowed' ||
-  !(state === 'notInstalled' || (state === 'ready' && serviceAvailable))
+  !(state === 'notInstalled' || (state === 'ready' && serviceInstallReady))
 
 // Grace period for service initialization during startup
 const STARTUP_GRACE_MS = 10_000
@@ -81,17 +81,18 @@ export function useSystemState() {
 
   const isSidecarMode = systemState.runningMode === 'Sidecar'
   const isServiceMode = systemState.runningMode === 'Service'
-  const isTunModeAvailable = systemState.isAdminMode || systemState.isServiceOk
+  const isTunModeAvailable =
+    systemState.isAdminMode || systemState.isServiceInstallReady
   const serviceChoicePending = isServiceChoicePending(
     systemState.serviceInstallState,
-    systemState.isServiceOk,
+    systemState.isServiceInstallReady,
     systemStateError !== undefined,
   )
 
   return {
     runningMode: systemState.runningMode,
     isAdminMode: systemState.isAdminMode,
-    isServiceOk: systemState.isServiceOk,
+    isServiceInstallReady: systemState.isServiceInstallReady,
     isSidecarMode,
     isServiceMode,
     isTunModeAvailable,