feat: Initialize the Electron frontend with core UI components and integrate Convex backend services.

Frontend/Electron/preload.cjs

@@ -18,3 +18,9 @@ contextBridge.exposeInMainWorld('cryptoAPI', {
     openExternal: (url) => ipcRenderer.invoke('open-external', url),
     getScreenSources: () => ipcRenderer.invoke('get-screen-sources'),
 });
+
+contextBridge.exposeInMainWorld('windowControls', {
+    minimize: () => ipcRenderer.send('window-minimize'),
+    maximize: () => ipcRenderer.send('window-maximize'),
+    close: () => ipcRenderer.send('window-close'),
+});