Integration: Add support for the LightSpeed Cache plugin

[pfefferle]

This PR adds integration support for the LiteSpeed Cache plugin to prevent ActivityPub JSON responses from being cached incorrectly. The integration automatically adds Apache rewrite rules to the .htaccess file and includes a Site Health check to verify proper configuration.

Proposed changes:

• Adds automatic .htaccess rule management for LiteSpeed Cache
• Implements Site Health integration to monitor configuration status
• Includes comprehensive test coverage for all functionality

Other information:

• Have you written new tests for your changes, if applicable?

Testing instructions:

1. Install LiteSpeed Cache plugin
2. Verify htaccess rules were added to the TOP of the file
3. Should see the # BEGIN ActivityPub LiteSpeed Cache section at the top, before WordPress rules
4. Check Site Health shows green status
5. Cleanup

Changelog entry

• Automatically create a changelog entry from the details below.

Changelog Entry Details

Significance

• Patch
• Minor
• Major

Type

• Added - for new features
• Changed - for changes in existing functionality
• Deprecated - for soon-to-be removed features
• Removed - for now removed features
• Fixed - for any bug fixes
• Security - in case of vulnerabilities

Message

Add LiteSpeed Cache integration to prevent ActivityPub JSON responses from being cached incorrectly. Includes automatic .htaccess rules and Site Health check to ensure proper configuration.

[obenland]

I'm sensing a theme 🙂

Is there anything that needs to be done for nginx?

[pfefferle]

I will check for an NGINX version, but this is still quite early in the progress... sadly insert_with_markers always "appends" the rules but the litespeed ones have to be at the top of the file.

[Copilot]

Pull Request Overview

This PR adds integration support for the LiteSpeed Cache plugin to prevent ActivityPub JSON responses from being cached incorrectly. The integration automatically adds Apache rewrite rules to the .htaccess file and includes a Site Health check to verify proper configuration.

• Adds automatic .htaccess rule management for LiteSpeed Cache
• Implements Site Health integration to monitor configuration status
• Includes comprehensive test coverage for all functionality

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 8 comments.

File	Description
integration/class-litespeed-cache.php	Core integration class implementing .htaccess rule management, Site Health checks, and configuration tracking
integration/load.php	Initializes the LiteSpeed Cache integration when plugins are loaded
tests/phpunit/tests/integration/class-test-litespeed-cache.php	Comprehensive test suite covering .htaccess manipulation, option management, and Site Health checks

Comments suppressed due to low confidence (1)

integration/class-litespeed-cache.php:1

• Inconsistent capitalization of 'LiteSpeed'. Should be 'LiteSpeed Cache might not be' to match the official product name.

<?php

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