## Problem
When trying to signup on localhost:3001 with a new random email, users
were getting an error message saying 'User already exists', even though
they were new users.
## Root Cause
The `signUpWithoutWorkspace` method in `sign-in-up.service.ts` had
inverted logic when checking if a user exists. It was using
`findUserByEmailOrThrow` which:
- **Returns the user** if found
- **Throws the provided error** if NOT found
This caused the opposite behavior:
- ❌ **New user (doesn't exist)**: Threw 'User already exists' error
- ❌ **Existing user**: Continued to create duplicate user
## Solution
Changed to use `findUserByEmail` and explicitly check if the user exists
before throwing the appropriate error:
```typescript
const existingUser = await this.userService.findUserByEmail(newUserParams.email);
if (existingUser) {
throw new AuthException(
'User already exist',
AuthExceptionCode.USER_ALREADY_EXIST,
{ userFriendlyMessage: msg`User already exists` },
);
}
```
This matches the correct pattern already used in `signUpInWorkspace`
(line 431-441 in auth.resolver.ts).
## Changes
- Fixed inverted logic in `signUpWithoutWorkspace` method
- Now correctly validates that user does NOT exist before creating new
user
- Matches the pattern used in `signUpInWorkspace`
## Testing
The fix corrects the logic so that:
- ✅ New users can sign up successfully
- ✅ Existing users get the correct 'User already exists' error
