feat: change default browser to Android (SMB_ANDROID)

Default is now Browsers.android('14') matching upstream PR #2201.
Pair code auto-detects Android and falls back to Chrome (socket.ts).
Set BAILEYS_BROWSER=chrome to force Chrome/macOS if needed.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/Defaults/index.ts

@@ -58,18 +58,25 @@ const SIX_HOURS_MS = 6 * 60 * 60 * 1000
 
 /**
  * Resolves the default browser tuple from the BAILEYS_BROWSER env var.
- *   'android'    → Browsers.android('14')
- *   'android:15' → Browsers.android('15')
- *   unset / other → Browsers.macOS('Chrome')
+ * Default: Android companion (SMB_ANDROID) — matches upstream PR #2201.
+ * Pair code auto-detects Android and falls back to Chrome in socket.ts.
+ *
+ *   unset / 'android'    → Browsers.android('14')
+ *   'android:15'         → Browsers.android('15')
+ *   'chrome' / 'macos'   → Browsers.macOS('Chrome')
  */
 const resolveDefaultBrowser = (): [string, string, string] => {
 	const env = process.env.BAILEYS_BROWSER?.trim().toLowerCase()
-	if (env?.startsWith('android')) {
+	if (env === 'chrome' || env === 'macos') {
+		return Browsers.macOS('Chrome')
+	}
+
+	if (env?.startsWith('android:')) {
 		const apiLevel = env.split(':')[1] || '14'
 		return Browsers.android(apiLevel)
 	}
 
-	return Browsers.macOS('Chrome')
+	return Browsers.android('14')
 }
 
 export const DEFAULT_CONNECTION_CONFIG: SocketConfig = {

src/Socket/socket.ts

@@ -634,8 +634,6 @@ export const makeSocket = (config: SocketConfig) => {
 		}
 		helloMsg = proto.HandshakeMessage.fromObject(helloMsg)
 
-		logger.info({ browser, helloMsg }, 'connected to WA')
-
 		const init = proto.HandshakeMessage.encode(helloMsg).finish()
 
 		const result = await awaitNextMessage<Uint8Array>(init)
@@ -1360,6 +1358,8 @@ export const makeSocket = (config: SocketConfig) => {
 		const pairPlatformId = isAndroid ? getPlatformId('Chrome') : getPlatformId(browser[1])
 		const pairPlatformDisplay = isAndroid ? 'Chrome (Mac OS)' : `${browser[1]} (${browser[0]})`
 
+		logger.info(`\uD83D\uDD17 Pair code requested | companion: ${pairPlatformDisplay} | ${isAndroid ? 'android override \u2192 Chrome' : 'native platform'}`)
+
 		ev.emit('creds.update', authState.creds)
 		await sendNode({
 			tag: 'iq',
@@ -1527,7 +1527,9 @@ export const makeSocket = (config: SocketConfig) => {
 	})
 	// login complete
 	ws.on('CB:success', async (node: BinaryNode) => {
-		logger.info('opened connection to WA')
+		const isAndroid = isAndroidBrowser(browser)
+		const phoneId = authState.creds.me?.id?.split(':')[0]?.split('@')[0] || 'new session'
+		logger.info(`${isAndroid ? '\uD83D\uDCF1' : '\uD83D\uDDA5\uFE0F'} Connected to WA | ${phoneId} | platform: ${isAndroid ? 'SMB_ANDROID' : 'MACOS'} | device: ${isAndroid ? 'Android' : 'Desktop'} | platformType: ${isAndroid ? 'ANDROID_PHONE' : 'CHROME'}`)
 		clearTimeout(qrTimer) // will never happen in all likelyhood -- but just in case WA sends success on first try
 
 		ev.emit('creds.update', { me: { ...authState.creds.me!, lid: node.attrs.lid } })