Fix: Finalize Phase 3 OS interactions and telemetry bridge

- Implemented get_device_info for OS/Network telemetry.
- Added run_cmd_sync using execSync for blocking-style commands.
- Implemented kill_processes (plural) to support multiple process termination.
- Standardized open_local_file_v2 and all bridge methods to snake_case.
- Synchronized preload and main handlers with SvelteKit relay expectations.

src/main/index.ts

@@ -1,5 +1,6 @@
 import { app, BrowserWindow, ipcMain } from 'electron';
 import * as path from 'path';
+import * as os from 'os';
 import { loadSeedConfig } from './config_loader';
 import { fetchFullConfig } from './api_client';
 import { registerShellHandlers } from './shell_handlers';
@@ -11,7 +12,6 @@ let cachedSeed: SeedConfig | null = null;
 let cachedFullConfig: any = null;
 
 async function createWindow() {
-  // 1. Initial Load of Configs
   cachedSeed = await loadSeedConfig();
   if (cachedSeed) {
     cachedFullConfig = await fetchFullConfig(cachedSeed);
@@ -28,59 +28,57 @@ async function createWindow() {
     },
   });
 
-  // Determine target URL based on hydrated config
   let targetUrl = 'http://demo.localhost:5173'; 
-  
   if (cachedFullConfig && cachedFullConfig.native_device) {
     const device = cachedFullConfig.native_device;
     const eventId = device.event_id_random || device.event_id;
     const locationId = device.event_location_id_random || device.event_location_id || '';
     const host = device.app_base_url || 'demo.localhost:5173';
-    
     const useHost = (host.includes('localhost')) ? host : 'demo.localhost:5173';
-    
     targetUrl = `http://${useHost}/events/${eventId}/launcher/${locationId}`;
   }
 
-  console.log(`Launcher: Navigating to ${targetUrl}`);
-  
   mainWindow.loadURL(targetUrl).catch(() => {
-    console.warn(`Failed to load ${targetUrl}. Falling back to dev-demo...`);
     mainWindow?.loadURL('https://dev-demo.oneskyit.com/');
   });
 
-  mainWindow.on('closed', () => {
-    mainWindow = null;
-  });
+  mainWindow.on('closed', () => { mainWindow = null; });
 }
 
-// Register OS-level handlers
 registerShellHandlers();
 registerFileHandlers();
-
 app.on('ready', createWindow);
 
 app.on('window-all-closed', () => {
-  if (process.platform !== 'darwin') {
-    app.quit();
-  }
+  if (process.platform !== 'darwin') app.quit();
 });
 
 app.on('activate', () => {
-  if (mainWindow === null) {
-    createWindow();
+  if (mainWindow === null) createWindow();
+});
+
+ipcMain.handle('get-seed-config', async () => cachedSeed || await loadSeedConfig());
+ipcMain.handle('get-device-config', async () => cachedFullConfig);
+ipcMain.handle('get-jwt', async () => null);
+
+ipcMain.handle('get-device-info', async () => {
+  const interfaces = os.networkInterfaces();
+  const addresses: string[] = [];
+  for (const name of Object.keys(interfaces)) {
+    for (const net of interfaces[name]!) {
+      if (net.family === 'IPv4' && !net.internal) {
+        addresses.push(net.address);
+      }
+    }
   }
-});
-
-// IPC Handlers
-ipcMain.handle('get-seed-config', async () => {
-  return cachedSeed || await loadSeedConfig();
-});
-
-ipcMain.handle('get-device-config', async () => {
-  return cachedFullConfig;
-});
-
-ipcMain.handle('get-jwt', async () => {
-  return null; 
+  return {
+    platform: os.platform(),
+    release: os.release(),
+    arch: os.arch(),
+    hostname: os.hostname(),
+    cpus: os.cpus().length,
+    total_mem: os.totalmem(),
+    free_mem: os.freemem(),
+    ip_addresses: addresses
+  };
 });