Prevent post creation when Reader is deactivated

[pfefferle]

Supersedes #2664

Proposed changes:

• Add early return in create_post() to skip post creation when the Reader feature is disabled.

Other information:

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

Testing instructions:

1. Enable Reader UI
2. Follow some accounts and let some ap_post posts be created
3. Disable Reader UI
4. Have someone on the fediverse create a new post
5. Verify that no new ap_post is created

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

Prevent post creation when Reader is deactivated.

[Copilot]

Pull request overview

This PR adds a check to prevent the creation of ap_post entries when the Reader feature is disabled. This addresses an issue where posts were being created even when the Reader UI was turned off.

Key Changes:

• Added early return in Create::create_post() method to check the activitypub_create_posts option before creating posts
• Added comprehensive test coverage for both enabled and disabled states

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
includes/handler/class-create.php	Added option check at the start of create_post() to return false when activitypub_create_posts is not enabled
tests/phpunit/tests/includes/handler/class-test-create.php	Added two new test methods to verify post creation is properly blocked when the option is disabled and works when enabled
.github/changelog/fix-disable-create-posts-option	Added changelog entry documenting this bug fix

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