minor refactoring of app startup sequence & some extra trivial matters

src-tauri/src/services/mod.rs

@@ -1,3 +1,7 @@
+use tauri::Manager;
+
+use crate::get_app_handle;
+
 pub mod active_app;
 pub mod app_menu;
 pub mod auth;
@@ -10,3 +14,11 @@ pub mod scene;
 pub mod sprite_recolor;
 pub mod welcome;
 pub mod ws;
+
+pub fn close_all_windows() {
+    let app_handle = get_app_handle();
+    let webview_windows = app_handle.webview_windows();
+    for window in webview_windows {
+        window.1.close().unwrap();
+    }
+}