Update front end to enable all users to sign in only using email and password
| Features | Account Management |
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| MoSCoW | Must |
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 Owner | Amani |
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| Size | XS |
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| Sprint | 5 |
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| Status | Done |
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- Update front end to enable all users to sign in only using email and password
- Acceptance Criteria:
- The front-end login interface should be updated to allow all users to sign in using their email and password.
- Any existing login methods, such as username-based login, should be removed or disabled.
- The login process should provide clear feedback to users and handle authentication errors gracefully.