refactor middleware authentication failure handler

[olegbaturin]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	✔️
Fixed issues

Refactor middleware authentication failure handler
Bump minimum PHP version to 8.1

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.47%. Comparing base (6eafec3) to head (0811e9b).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #101      +/-   ##
============================================
- Coverage     95.52%   95.47%   -0.05%     
  Complexity       77       77              
============================================
  Files            10       10              
  Lines           201      199       -2     
============================================
- Hits            192      190       -2     
  Misses            9        9              

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[samdark]

What's the benefit in having a dedicated interface? Ability to configure it with a single line only? @vjik is there a better way?

[samdark]

@olegbaturin thanks for the pull request. Discussion with the code in front of you is way more productive.

[Copilot]

Pull Request Overview

This PR refactors the middleware authentication failure handler by introducing a dedicated interface and updating the constructor signature. It also bumps the minimum PHP version requirement from 8.0 to 8.1.

• Introduces AuthenticationFailureHandlerInterface to formalize the failure handler contract
• Updates Authentication middleware constructor to require the interface instead of optional parameter
• Moves AuthenticationFailureHandler from Handler namespace to root Auth namespace

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/AuthenticationFailureHandlerInterface.php	New interface defining the authentication failure handler contract
src/AuthenticationFailureHandler.php	Moved to root namespace and implements new interface
src/Middleware/Authentication.php	Updated constructor to require failure handler interface
tests/AuthenticationMiddlewareTest.php	Updated test methods to use new interface
tests/AuthenticationFailureHandlerTest.php	Updated import for moved class
tests/ConfigTest.php	New test for DI configuration
config/di-web.php	New DI configuration file
composer.json	Updated PHP version constraint and added dependencies
CHANGELOG.md	Updated with changes
.github/workflows/*.yml	Updated PHP versions in CI workflows

Comments suppressed due to low confidence (1)

tests/AuthenticationMiddlewareTest.php:171

• The method name 'handle' doesn't match the interface being implemented. Since this implements AuthenticationFailureHandlerInterface, verify that the interface method is also named 'handle'.

            public function handle(ServerRequestInterface $request): ResponseInterface

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