Renames `AuthStruct` to `AuthModel` and `ProductStruct` to `ProductModel` to align with a consistent data model naming convention.
Updates all relevant imports, type declarations, and method signatures across the application to reflect these changes, improving codebase clarity and maintainability.
Includes minor code style improvements and refactorings in other components.
Replaces the mocked login flow with an actual API call to an authentication endpoint.
Updates the `AuthStruct` schema to align with the new API response, including fields for `accessToken`, `dbName`, `uid`, `name`, and `username`.
Introduces a `UserConnectedProvider` service for managing the storage and retrieval of authenticated user details, centralizing this logic and replacing prior direct local storage methods.
Integrates the new authentication process and user storage service into the login, reception, and profile pages for a unified experience.
Adjusts the splash screen duration to reflect the real-time nature of the authentication check.
