added desktop and rust version

desktop/src/preload/preload.js

@@ -0,0 +1,23 @@
+const { contextBridge, ipcRenderer } = require('electron');
+
+contextBridge.exposeInMainWorld('api', {
+  openFile: async () => ipcRenderer.invoke('file:open'),
+  saveAs: async (payload) => ipcRenderer.invoke('file:saveAs', payload),
+  saveToPath: async (payload) => ipcRenderer.invoke('file:saveToPath', payload),
+  revealInFolder: async (filePath) => ipcRenderer.invoke('os:revealInFolder', filePath),
+  getConfig: async (key) => ipcRenderer.invoke('config:get', key),
+  setConfig: async (key, value) => ipcRenderer.invoke('config:set', key, value),
+  getAllConfig: async () => ipcRenderer.invoke('config:getAll'),
+  setAllConfig: async (config) => ipcRenderer.invoke('config:setAll', config),
+  closeSettings: async () => ipcRenderer.invoke('settings:close'),
+  localKnock: async (payload) => ipcRenderer.invoke('knock:local', payload),
+  getNetworkInterfaces: async () => ipcRenderer.invoke('network:interfaces'),
+  testConnection: async (payload) => ipcRenderer.invoke('network:test-connection', payload)
+});
+
+// Пробрасываем конфигурацию в рендерер (безопасно)
+contextBridge.exposeInMainWorld('config', {
+  apiBase: process.env.KNOCKER_DESKTOP_API_BASE || 'http://localhost:8080/api/v1'
+});
+
+