chore: improve startup time

src-tauri/src/core/fs.rs

@@ -1,3 +1,5 @@
+// WARNING: These APIs will be deprecated soon due to removing FS API access from frontend.
+// It's added to ensure the legacy implementation from frontend still functions before removal.
 use crate::core::cmd::get_jan_data_folder_path;
 use std::fs;
 use std::path::PathBuf;

src-tauri/src/core/setup.rs

@@ -11,19 +11,18 @@ use tauri_plugin_shell::process::CommandEvent;
 use tauri_plugin_shell::ShellExt;
 use tauri_plugin_store::StoreExt;
 
-use super::{cmd::get_jan_extensions_path, state::AppState};
+use super::{
+    cmd::{get_jan_data_folder_path, get_jan_extensions_path},
+    mcp::run_mcp_commands,
+    state::AppState,
+};
 
 pub fn install_extensions(app: tauri::AppHandle, force: bool) -> Result<(), String> {
     let store = app.store("store.json").expect("Store not initialized");
-    let stored_version = if let Some(version) = store.get("version") {
+    let stored_version = store
-        if let Some(version_str) = version.as_str() {
+        .get("version")
-            version_str.to_string()
+        .and_then(|v| v.as_str().map(String::from))
-        } else {
+        .unwrap_or_default();
-            "".to_string()
-        }
-    } else {
-        "".to_string()
-    };
 
     let app_version = app
         .config()
@@ -31,10 +30,8 @@ pub fn install_extensions(app: tauri::AppHandle, force: bool) -> Result<(), Stri
         .clone()
         .unwrap_or_else(|| "".to_string());
 
-    if !force {
+    if !force && stored_version == app_version {
-        if stored_version == app_version {
+        return Ok(());
-            return Ok(());
-        }
     }
     let extensions_path = get_jan_extensions_path(app.clone());
     let pre_install_path = PathBuf::from("./resources/pre-install");
@@ -46,6 +43,10 @@ pub fn install_extensions(app: tauri::AppHandle, force: bool) -> Result<(), Stri
         });
     }
 
+    if !force {
+        return Ok(());
+    };
+
     // Attempt to create it again
     if !extensions_path.exists() {
         fs::create_dir_all(&extensions_path).map_err(|e| e.to_string())?;
@@ -177,6 +178,19 @@ fn extract_extension_manifest<R: Read>(
     Ok(None)
 }
 
+pub fn setup_mcp(app: &App) {
+    let app_path = get_jan_data_folder_path(app.handle().clone());
+
+    let state = app.state::<AppState>().inner();
+    let app_path_str = app_path.to_str().unwrap().to_string();
+    let servers = state.mcp_servers.clone();
+    tauri::async_runtime::spawn(async move {
+        if let Err(e) = run_mcp_commands(app_path_str, servers).await {
+            eprintln!("Failed to run mcp commands: {}", e);
+        }
+    });
+}
+
 pub fn setup_sidecar(app: &App) -> Result<(), String> {
     // Setup sidecar
 

src-tauri/src/lib.rs

@@ -1,13 +1,11 @@
 mod core;
 use core::{
-    cmd::get_jan_data_folder_path,
+    setup::{self, setup_engine_binaries, setup_mcp, setup_sidecar},
-    mcp::run_mcp_commands,
-    setup::{self, setup_engine_binaries, setup_sidecar},
     state::{generate_app_token, AppState},
 };
 use std::{collections::HashMap, sync::Arc};
 
-use tauri::{Emitter, Manager};
+use tauri::Emitter;
 use tokio::sync::Mutex;
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
@@ -62,16 +60,7 @@ pub fn run() {
                 eprintln!("Failed to install extensions: {}", e);
             }
 
-            let app_path = get_jan_data_folder_path(app.handle().clone());
+            setup_mcp(app);
-
-            let state = app.state::<AppState>().inner();
-            let app_path_str = app_path.to_str().unwrap().to_string();
-            let servers = state.mcp_servers.clone();
-            tauri::async_runtime::spawn(async move {
-                if let Err(e) = run_mcp_commands(app_path_str, servers).await {
-                    eprintln!("Failed to run mcp commands: {}", e);
-                }
-            });
 
             setup_sidecar(app).expect("Failed to setup sidecar");
 
@@ -80,7 +69,7 @@ pub fn run() {
             Ok(())
         })
         .on_window_event(|window, event| match event {
-            tauri::WindowEvent::CloseRequested {  .. } => {
+            tauri::WindowEvent::CloseRequested { .. } => {
                 window.emit("kill-sidecar", ()).unwrap();
             }
             _ => {}

web/containers/Providers/CoreConfigurator.tsx

@@ -24,7 +24,9 @@ export const CoreConfigurator = ({ children }: PropsWithChildren) => {
     setTimeout(async () => {
       if (!isCoreExtensionInstalled()) {
         setSettingUp(true)
-        await setupBaseExtensions()
+
+        await new Promise((resolve) => setTimeout(resolve, 500))
+        setupBaseExtensions()
         return
       }