chore: attempt to kill Nitro subprocesses (#484)

electron/main.ts

@@ -43,6 +43,11 @@ app.on("window-all-closed", () => {
   app.quit();
 });
 
+app.on("quit", () => {
+  dispose(requiredModules);
+  app.quit();
+});
+
 ipcMain.handle("setNativeThemeLight", () => {
   nativeTheme.themeSource = "light";
 });

plugins/inference-plugin/index.ts

@@ -183,7 +183,14 @@ const registerListener = () => {
   events.on(EventName.OnNewMessageRequest, handleMessageRequest);
 };
 
+const killSubprocess = () => {
+  invokePluginFunc(MODULE_PATH, "killSubprocess");
+};
+
 const onStart = async () => {
+  // Try killing any existing subprocesses related to Nitro
+  killSubprocess();
+
   registerListener();
 };
 // Register all the above functions and objects with the relevant extension points