feat: update onboarding and application flows

src/config/firebase.js

@@ -10,7 +10,7 @@ import { Platform } from 'react-native'
 const functionsInstances = {}
 const emulatorConfigured = {}
 const emulatorHost = Platform.OS === 'web' ? 'localhost' : '192.168.1.60'
-const USE_FUNCTIONS_EMULATOR = false // Toggle to route functions traffic to the local emulator.
+const USE_FUNCTIONS_EMULATOR = __DEV__
 
 const configureFunctionsEmulator = (instance, regionKey = 'us-central1') => {
   const shouldUseEmulator = USE_FUNCTIONS_EMULATOR && instance?.useEmulator
@@ -56,15 +56,20 @@ if (!firebase?.apps?.filter(({ name_ }) => name_ === '[DEFAULT]').length) {
   console.log('Firebase init')
 }
 
-// Firestore settings for React Native/iOS: avoid streaming transport issues
 const firestore = firebase.firestore()
 try {
-  // Prefer auto-detect; disable fetch streams for RN iOS stability
-  firebase.firestore().settings({
-    experimentalAutoDetectLongPolling: true,
-    useFetchStreams: false,
+  const firestoreSettings = {
     ignoreUndefinedProperties: true,
-  })
+    merge: true,
+  }
+
+  // React Native can require long polling, but these settings break web streaming.
+  if (Platform.OS !== 'web') {
+    firestoreSettings.experimentalAutoDetectLongPolling = true
+    firestoreSettings.useFetchStreams = false
+  }
+
+  firestore.settings(firestoreSettings)
 } catch (e) {
   // Ignore if settings were already set elsewhere
 }