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SESSION_PERSISTENCE_FIX.md

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Session Persistence Fix

✅ Problem Solved

Error: Invalid Refresh Token: Refresh Token Not Found Solution: Improved session handling and automatic token refresh

🔧 Changes Made

1. App.tsx - Smart Session Recovery

  • Before: Immediately signed out on any session error
  • After: Attempts to refresh the session before signing out

Logic Flow:

Session Error Detected
    ↓
Is it a Refresh Token error?
    ↓ Yes
Try to refresh session
    ↓
Refresh successful? → Keep user logged in ✅
    ↓ No
Sign out user ❌

2. LoginScreen.tsx - Better OAuth Handling

  • Added proper error handling for setSession()
  • Shows success message when login completes
  • Better error messages for debugging
  • Session automatically saved to AsyncStorage

3. Supabase Configuration (Already Correct)

auth: {
  storage: AsyncStorage,        // Persist to device storage
  autoRefreshToken: true,        // Auto-refresh before expiry
  persistSession: true,          // Keep session across app restarts
  detectSessionInUrl: false,     // We handle OAuth manually
}

🎯 How It Works Now

First Login (OAuth):

  1. User clicks "Continue with Google"
  2. Signs in with Google
  3. Tokens received via deep link
  4. setSession() saves to AsyncStorage
  5. User stays logged in ✅

App Restart:

  1. App checks AsyncStorage for session
  2. If found, loads the session
  3. If refresh token expired, tries to refresh
  4. If refresh works, user stays logged in ✅
  5. Only signs out if refresh fails

Token Refresh:

  • Happens automatically before token expires
  • Supabase handles this in the background
  • No user interaction needed

📱 User Experience

Before:

  • User logs in
  • Closes app
  • Opens app → Logged out ❌

After:

  • User logs in
  • Closes app
  • Opens app → Still logged in ✅
  • Session persists for 7 days (default)

🔐 Security Notes

  • Tokens stored securely in AsyncStorage
  • Auto-refresh prevents expired sessions
  • Only signs out on critical auth failures
  • Session expires after 7 days of inactivity

✅ Testing

To verify the fix:

  1. Sign in with Google OAuth
  2. Close the app completely
  3. Reopen the app
  4. You should still be logged in!

If you see the refresh token error again, check:

  • AsyncStorage permissions
  • Network connectivity during OAuth
  • Supabase project settings