diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
new file mode 100644
index 0000000..6bf54ca
--- /dev/null
+++ b/src-tauri/src/main.rs
@@ -0,0 +1,73 @@
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+use std::sync::Mutex;
+use tauri::{Manager, RunEvent, SystemTray, SystemTrayEvent, SystemTrayMenu, CustomMenuItem};
+
+/// Handle to the moonrelay backend sidecar process.
+struct BackendProcess(Mutex<Option<tauri::async_runtime::JoinHandle<()>>>);
+
+fn main() {
+    // System tray menu
+    let quit = CustomMenuItem::new("quit", "Quit Moonlight Relay");
+    let show = CustomMenuItem::new("show", "Show");
+    let tray_menu = SystemTrayMenu::new()
+        .add_item(show)
+        .add_item(quit);
+    let tray = SystemTray::new().with_menu(tray_menu);
+
+    tauri::Builder::default()
+        .system_tray(tray)
+        .on_system_tray_event(|app, event| {
+            match event {
+                SystemTrayEvent::MenuItemClick { id, .. } => {
+                    match id.as_str() {
+                        "quit" => std::process::exit(0),
+                        "show" => {
+                            if let Some(w) = app.get_window("main") {
+                                let _ = w.show();
+                                let _ = w.set_focus();
+                            }
+                        }
+                        _ => {}
+                    }
+                }
+                SystemTrayEvent::DoubleClick { .. } => {
+                    if let Some(w) = app.get_window("main") {
+                        let _ = w.show();
+                        let _ = w.set_focus();
+                    }
+                }
+                _ => {}
+            }
+        })
+        .setup(|app| {
+            // Launch the Go backend sidecar
+            let sidecar = app.shell_scope().sidecar("moonrelay")
+                .expect("moonrelay sidecar not found — did you build the Go binary?");
+
+            let (mut _rx, child) = sidecar.spawn()
+                .expect("Failed to spawn moonrelay backend");
+
+            // Store handle so it's dropped (and killed) when app exits
+            app.manage(BackendProcess(Mutex::new(Some(
+                tauri::async_runtime::spawn(async move {
+                    // Keep the handle alive; drop kills the process
+                    let _child = child;
+                    loop {
+                        tauri::async_runtime::sleep(std::time::Duration::from_secs(3600)).await;
+                    }
+                })
+            ))));
+
+            Ok(())
+        })
+        .build(tauri::generate_context!())
+        .expect("error while building tauri application")
+        .run(|_app, event| {
+            // Keep running in tray when window is closed
+            if let RunEvent::ExitRequested { api, .. } = event {
+                api.prevent_exit();
+            }
+        });
+}