feat: Add new emoji assets and an UpdateBanner component.

apps/electron/updater.cjs

@@ -0,0 +1,61 @@
+const { autoUpdater } = require('electron-updater');
+const log = require('electron-log');
+
+autoUpdater.logger = log;
+autoUpdater.autoDownload = false;
+autoUpdater.autoInstallOnAppQuit = true;
+
+function checkForUpdates(splashWindow) {
+  return new Promise((resolve) => {
+    function sendToSplash(js) {
+      if (splashWindow && !splashWindow.isDestroyed()) {
+        splashWindow.webContents.executeJavaScript(js).catch(() => {});
+      }
+    }
+
+    autoUpdater.on('checking-for-update', () => {
+      sendToSplash('setStatus("Checking for updates...")');
+    });
+
+    autoUpdater.on('update-available', () => {
+      sendToSplash('setStatus("Downloading update...")');
+      autoUpdater.downloadUpdate();
+    });
+
+    autoUpdater.on('download-progress', (progress) => {
+      const percent = Math.round(progress.percent);
+      sendToSplash(`setProgress(${percent})`);
+      sendToSplash(`setStatus("Downloading update... ${percent}%")`);
+    });
+
+    autoUpdater.on('update-downloaded', () => {
+      sendToSplash('setStatus("Installing update...")');
+      sendToSplash('setProgress(100)');
+      setTimeout(() => {
+        autoUpdater.quitAndInstall();
+      }, 1500);
+    });
+
+    autoUpdater.on('update-not-available', () => {
+      sendToSplash('setStatus("Up to date!")');
+      sendToSplash('hideProgress()');
+      setTimeout(() => resolve(false), 1000);
+    });
+
+    autoUpdater.on('error', (err) => {
+      log.error('Auto-updater error:', err);
+      sendToSplash('setStatus("Update check failed")');
+      sendToSplash('hideProgress()');
+      setTimeout(() => resolve(false), 2000);
+    });
+
+    autoUpdater.checkForUpdates().catch((err) => {
+      log.error('checkForUpdates failed:', err);
+      sendToSplash('setStatus("Update check failed")');
+      sendToSplash('hideProgress()');
+      setTimeout(() => resolve(false), 2000);
+    });
+  });
+}
+
+module.exports = { checkForUpdates };