Initial code commit for project

preload.js

@@ -0,0 +1,21 @@
+const { contextBridge, ipcRenderer } = require('electron');
+
+contextBridge.exposeInMainWorld('electronAPI', {
+  // USB
+  usbListDevices: () => ipcRenderer.invoke('usb:listDevices'),
+  usbConnect: (vendorId, productId) => ipcRenderer.invoke('usb:connect', { vendorId, productId }),
+
+  // Preferences
+  prefsGet: (key) => ipcRenderer.invoke('prefs:get', key),
+  prefsSet: (key, value) => ipcRenderer.invoke('prefs:set', key, value),
+  prefsDelete: (key) => ipcRenderer.invoke('prefs:delete', key),
+
+  // File Picker
+  dialogOpenFile: (options) => ipcRenderer.invoke('dialog:openFile', options),
+  dialogSaveFile: (options) => ipcRenderer.invoke('dialog:saveFile', options),
+
+  // System Info
+  systemCpuTemp: () => ipcRenderer.invoke('system:cpuTemp'),
+  systemRam: () => ipcRenderer.invoke('system:ram'),
+  systemGpu: () => ipcRenderer.invoke('system:gpu'),
+});