## Description

<!-- Provide a brief description of the changes in this PR -->

## Type of Change

<!-- Mark the relevant option with an "x" -->

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] Documentation update
- [ ] Performance improvement
- [ ] Code refactoring
- [ ] Security fix
- [ ] Provider-specific fix/enhancement

## Related Issues

<!-- Link to related issues using #issue_number -->

Fixes #
Related to #

## Changes Made

<!-- List the main changes made in this PR -->

-
-
-

## Provider Impact

<!-- If this affects specific OIDC providers, list them here -->

- [ ] Google
- [ ] Azure AD
- [ ] Auth0
- [ ] Okta
- [ ] Keycloak
- [ ] AWS Cognito
- [ ] GitLab
- [ ] GitHub
- [ ] Generic OIDC
- [ ] All providers

## Testing Performed

<!-- Describe the tests you ran to verify your changes -->

- [ ] Unit tests pass locally
- [ ] Integration tests pass locally
- [ ] Race detector shows no issues
- [ ] Memory leak tests pass
- [ ] Manual testing performed

### Test Configuration

<!-- Provide details about your test configuration if applicable -->

**Provider tested:**
**Go version:**
**Traefik version:**

## Security Considerations

<!-- Describe any security implications of these changes -->

- [ ] This PR does not introduce security vulnerabilities
- [ ] Security scanning has been performed
- [ ] Credentials/secrets are properly handled
- [ ] Input validation is implemented

## Performance Impact

<!-- Describe any performance implications -->

- [ ] No performance impact expected
- [ ] Performance improved (describe how)
- [ ] Performance may be affected (describe why and mitigation)

## Breaking Changes

<!-- If this is a breaking change, describe the impact and migration path -->

**Breaking changes:**


**Migration guide:**


## Checklist

<!-- Ensure all items are checked before requesting review -->

- [ ] My code follows the project's code style
- [ ] I have performed a self-review of my code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published

## Additional Context

<!-- Add any other context, screenshots, or information about the PR here -->

## Screenshots (if applicable)

<!-- Add screenshots to help explain your changes -->

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**For Reviewers:**

Please verify:
- [ ] Code quality and style
- [ ] Test coverage is adequate
- [ ] Security implications reviewed
- [ ] Documentation is updated
- [ ] No performance regressions