refactor(proxy): enhance proxy state management and refresh logic

src-tauri/src_crates/crate_mihomo_api/src/model.rs

@@ -1,14 +1,6 @@
-use std::sync::{Arc, Mutex};
-
-pub struct MihomoData {
-    pub(crate) proxies: serde_json::Value,
-    pub(crate) providers_proxies: serde_json::Value,
-}
-
 #[derive(Clone)]
 pub struct MihomoManager {
     pub(crate) mihomo_server: String,
-    pub(crate) data: Arc<Mutex<MihomoData>>,
     pub(crate) client: reqwest::Client,
 }