refactor(port): store startup block reason in a OnceLock

src-tauri/src/config/port.rs

@@ -18,7 +18,7 @@ use clash_verge_logging::{Type, logging};
 use once_cell::sync::Lazy;
 use parking_lot::Mutex;
 use serde_yaml_ng::Value;
-use std::{collections::HashSet, net::SocketAddr, str::FromStr as _};
+use std::{collections::HashSet, net::SocketAddr, str::FromStr as _, sync::OnceLock};
 
 #[derive(Clone, Copy)]
 struct MixedPortFallback {
@@ -27,7 +27,7 @@ struct MixedPortFallback {
 }
 
 static PENDING_FALLBACK_NOTICE: Lazy<Mutex<Option<MixedPortFallback>>> = Lazy::new(|| Mutex::new(None));
-static STARTUP_CORE_BLOCK_REASON: Lazy<Mutex<Option<String>>> = Lazy::new(|| Mutex::new(None));
+static STARTUP_CORE_BLOCK_REASON: OnceLock<String> = OnceLock::new();
 
 impl Config {
     pub(crate) async fn resolve_startup_mixed_port() -> Result<bool> {
@@ -142,12 +142,12 @@ impl Config {
     }
 
     pub(crate) fn block_startup_core(error: &anyhow::Error) {
-        *STARTUP_CORE_BLOCK_REASON.lock() = Some(error.to_string());
+        let _ = STARTUP_CORE_BLOCK_REASON.set(error.to_string());
         report_fallback_error(error.to_string());
     }
 
     pub(crate) fn startup_core_block_reason() -> Option<String> {
-        STARTUP_CORE_BLOCK_REASON.lock().clone()
+        STARTUP_CORE_BLOCK_REASON.get().cloned()
     }
 
     pub(crate) fn notify_startup_mixed_port_fallback() {