Add LiveListenerMethodsShouldBePublicRule

[Kocal]

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[Copilot]

Pull request overview

This PR adds a new PHPStan rule LiveListenerMethodsShouldBePublicRule that enforces public visibility for methods annotated with #[LiveListener] in LiveComponents. This ensures LiveListener methods are accessible when listening to frontend events, mirroring the existing LiveActionMethodsShouldBePublicRule for LiveAction methods.

Key Changes:

• Implements LiveListenerMethodsShouldBePublicRule to validate method visibility for LiveListener-annotated methods
• Adds comprehensive test coverage with fixtures for valid and invalid cases
• Updates README documentation with usage examples demonstrating correct and incorrect patterns

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule.php	Implements the new PHPStan rule checking that all methods with #[LiveListener] are public
tests/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule/LiveListenerMethodsShouldBePublicRuleTest.php	Test case validating the rule detects violations and correctly handles valid cases
tests/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule/Fixture/PrivateLiveListener.php	Test fixture demonstrating violations with protected and private LiveListener methods
tests/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule/Fixture/PublicLiveListener.php	Test fixture showing correct usage with public LiveListener methods
tests/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule/Fixture/NotAComponent.php	Test fixture ensuring rule ignores classes without #[AsLiveComponent]
tests/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule/Fixture/NoLiveListener.php	Test fixture ensuring rule ignores methods without #[LiveListener]
tests/Rules/LiveComponent/LiveListenerMethodsShouldBePublicRule/config/configured_rule.neon	Configuration file for enabling the rule in tests
README.md	Documentation explaining the rule's purpose with before/after code examples

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