Release/1.2.0

[jeffpaul]

What?

Prepares 1.2.0 release.

Closes #864.

Copilot summary

This pull request prepares the plugin for the 1.2.0 release, introducing several new features, enhancements, and fixes. It updates documentation and metadata, adds new abilities and experiments, and improves the developer experience. The most important changes are summarized below:

Major Features and Abilities:

• Added a new "Suggest Reply" experiment, allowing comment moderators to quickly generate reply suggestions via the admin interface (README.md, CHANGELOG.md) [1] [2].
• Introduced the core/read-content ability for secure, read-only access to post content, and the core/read-users ability for retrieving user data with permission controls (CHANGELOG.md, includes/Abilities/Content/Content.php) [1] [2] [3].

Settings and UI Improvements:

• Added an "Advanced settings" option in Developer Tools to show/hide additional configuration options, and moved all existing options into this section (CHANGELOG.md).
• Added bulk "Generate AI Summary" action to posts and pages list tables for multi-post summary generation (CHANGELOG.md).

Bug Fixes and Accessibility:

• Improved accessibility and usability by fixing focus restoration after AI setting saves, adding descriptive alt text to images, and addressing several issues with type-ahead suggestions and asset loading (CHANGELOG.md).

Developer Experience and Maintenance:

• Increased test timeouts, standardized E2E selectors, updated dependencies, and added documentation for maintainers (CHANGELOG.md).

Release and Versioning:

• Bumped the plugin version to 1.2.0 in all relevant files and updated the changelog and release links (ai.php, CHANGELOG.md) [1] [2] [3].

Additionally, the credits list was updated to include new contributors (CREDITS.md).

Why?

How?

Use of AI Tools

AI assistance: none besides Copilot summary in the PR description

Testing Instructions

Screenshots or screencast

Before	After

Changelog Entry

n/a

[github-actions]

The following accounts have interacted with this PR and/or linked issues. I will continue to update these lists as activity occurs. You can also manually ask me to refresh this list by adding the props-bot label.

If you're merging code through a pull request on GitHub, copy and paste the following into the bottom of the merge commit message.

Co-authored-by: jeffpaul <jeffpaul@git.wordpress.org>
Co-authored-by: dkotter <dkotter@git.wordpress.org>

To understand the WordPress project's expectations around crediting contributors, please review the Contributor Attribution page in the Core Handbook.

[github-actions]

✅ WordPress Plugin Check Report

✅ Status: Passed

📊 Report

All checks passed! No errors or warnings found.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.43%. Comparing base (2c32597) to head (04c1d33).

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #868   +/-   ##
==========================================
  Coverage      78.43%   78.43%           
  Complexity      2454     2454           
==========================================
  Files            104      104           
  Lines           9920     9920           
==========================================
  Hits            7781     7781           
  Misses          2139     2139           

Flag	Coverage Δ
unit	78.43% <ø> (ø)

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