restructure to root, add tuner from jms

electron/main.cjs

@@ -0,0 +1,40 @@
+const { app, BrowserWindow } = require('electron')
+const path = require('path')
+
+const isDev = !app.isPackaged
+
+function createWindow() {
+  const win = new BrowserWindow({
+    width: 1280,
+    height: 900,
+    minWidth: 900,
+    minHeight: 600,
+    title: 'WhatTheFlat',
+    webPreferences: {
+      preload: path.join(__dirname, 'preload.cjs'),
+      contextIsolation: true,
+      nodeIntegration: false,
+    },
+  })
+
+  if (isDev) {
+    // Dev: load from Vite dev server
+    win.loadURL('http://localhost:5173')
+    win.webContents.openDevTools()
+  } else {
+    // Production: load built files from disk
+    win.loadFile(path.join(__dirname, '../dist/index.html'))
+  }
+}
+
+app.whenReady().then(() => {
+  createWindow()
+
+  app.on('activate', () => {
+    if (BrowserWindow.getAllWindows().length === 0) createWindow()
+  })
+})
+
+app.on('window-all-closed', () => {
+  if (process.platform !== 'darwin') app.quit()
+})

electron/preload.cjs

@@ -0,0 +1,8 @@
+// Preload runs in a privileged context before the renderer.
+// Expose only what the app actually needs from Node/Electron here.
+// Currently the app is pure browser JS so nothing needs exposing.
+const { contextBridge } = require('electron')
+
+contextBridge.exposeInMainWorld('electronAPI', {
+  platform: process.platform,
+})