phase 1-6 implemented

apps/mobile/.env.example

@@ -1,10 +1,12 @@
 # Clerk Authentication
 # Get these values from https://dashboard.clerk.com
 # Make sure to use the correct publishable key for your environment
-EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY=pk_test_cGxlYXNpbmctcGhlYXNhbnQtMjAuY2xlcmsuYWNjb3VudHMuZGV2JA
+# IMPORTANT: Must start with EXPO_PUBLIC_ to be available in the app
+EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY=pk_test_your_publishable_key_here
 
 # API Configuration
-# Update this to point to your backend API
+# Development: Use ngrok or local network IP (e.g., http://192.168.1.100:3000)
+# Production: Use your production API URL
 EXPO_PUBLIC_API_URL=http://localhost:3000/api
 
 # App Configuration