const { contextBridge, ipcRenderer } = require('electron'); contextBridge.exposeInMainWorld('electronAPI', { generateReportPdf: (payload) => ipcRenderer.invoke('generate-report-pdf', payload), getBackendUrl: () => process.env.BACKEND_URL || 'http://localhost:5000', getSocketTransports: () => { const allowPolling = process.env.ALLOW_POLLING === '1' return allowPolling ? ['websocket', 'polling'] : ['websocket'] } });