* refactor: enhance URL validation and redirection logic in authentication views
* Updated authentication views (SignInAuthSpaceEndpoint, GitHubCallbackSpaceEndpoint, GitLabCallbackSpaceEndpoint, GoogleCallbackSpaceEndpoint, and MagicSignInSpaceEndpoint) to include url_has_allowed_host_and_scheme checks for safer redirection.
* Improved URL construction by ensuring proper formatting and fallback to base host when necessary.
* Added get_allowed_hosts function to path_validator.py for better host validation.
* refactor: improve comments and clean up code in path_validator.py
* Updated comments for clarity in the get_safe_redirect_url function.
* Removed unnecessary blank line to enhance
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