fix(service): offer repair when a residual helper blocks Sidecar

A macOS helper left running without IPC made Sidecar refuse to start
while the service counted as not installed, so no repair was offered
(#8031, #8043). Treat such a helper as install evidence and record the
Sidecar refusal as unavailable so the repair dialog appears.

Changelog.md

@@ -14,6 +14,7 @@
 **🍎 macOS**
 
 - macOS 修复编辑规则时「规则内容」输入的首字母被自动转为大写的问题
+- macOS 修复残留的服务进程导致内核无法启动、「继续使用 Sidecar」失败且无法修复的问题
 
 </details>
 

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

@@ -153,7 +153,9 @@ impl CoreManager {
     #[tracing::instrument(skip_all, level = "info", fields(pid = tracing::field::Empty))]
     pub(super) async fn start_core_by_sidecar(&self) -> Result<()> {
         self.wait_for_sidecar_exit().await?;
-        let execution = clash_verge_service_ipc::execution::reserve_sidecar().await?;
+        let execution = clash_verge_service_ipc::execution::reserve_sidecar()
+            .await
+            .inspect_err(service::record_residual_service)?;
         self.core_stopped();
 
         let sidecar_ipc = dirs::sidecar_ipc_path()?;

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

@@ -62,9 +62,17 @@ impl RunStateEnv for RealEnv {
     }
 
     async fn trusted_install_evidence(&self) -> Result<bool> {
-        tokio::task::spawn_blocking(crate::core::service::trusted_service_evidence)
+        let registered = tokio::task::spawn_blocking(crate::core::service::trusted_service_evidence)
             .await
-            .context("service registration probe did not finish")?
+            .context("service registration probe did not finish")??;
+        // A helper that outlived its registration is a broken Service, not an absent one.
+        #[cfg(unix)]
+        if !registered && let Err(error) = clash_verge_service_ipc::execution::check_sidecar_available().await {
+            return Ok(error
+                .downcast_ref::<clash_verge_service_ipc::execution::ResidualServiceError>()
+                .is_some());
+        }
+        Ok(registered)
     }
 
     fn is_elevated(&self) -> bool {

src-tauri/src/core/service.rs

@@ -805,6 +805,13 @@ fn record_service_start_refusal<E: RunStateEnv>(
     refusal.into()
 }
 
+/// Sidecar stays blocked until a reinstall replaces the residual helper, so ask for repair.
+pub(super) fn record_residual_service(error: &anyhow::Error) {
+    if let Some(residual) = error.downcast_ref::<clash_verge_service_ipc::execution::ResidualServiceError>() {
+        RUN_STATE.observe(ServiceHealth::Unavailable(residual.to_string()));
+    }
+}
+
 /// 尝试使用服务启动core
 #[tracing::instrument(skip_all, level = "info", fields(generation = tracing::field::Empty, staging = tracing::field::Empty, code = tracing::field::Empty, outcome = tracing::field::Empty))]
 pub(super) async fn start_with_existing_service(config_file: &Path) -> Result<()> {