Modern Restructuring

[jakejackson1]

Modern Restructuring

This branch modernises the development toolchain, replaces the legacy TestCafe E2E suite with Playwright, and brings the codebase up to date with WordPress 7.0 and PHP 8.5.

Changes

Add Playwright E2E tests

Replaces the legacy TestCafe-based tests/e2e/ suite with a new Playwright test suite under tests/playwright/. Tests are split into two projects — core/ (standard permalinks, port 8702) and permalinks/ (pretty permalinks, port 8703) — and cover PDF shortcode rendering, entry list/detail views, PDF settings (general, appearance, advanced, notifications, templates), font manager, template manager, and PDF access controls. A dedicated GitHub Actions workflow (.github/workflows/playwright-e2e.yml) runs the suite on CI.

Modernize toolchain and update dependencies

• Consolidates dev tooling under a tools/ directory: PHP-Scoper config moves from .php-scoper/ to tools/php-scoper/, PHPUnit config and fixtures move from tests/phpunit/ to tools/phpunit/, PHPCS config moves to tools/phpcs/, and release scripts move to tools/release/
• Replaces the single .wp-env.json with four dedicated environment configs (tools/wp-env/development.json, integration.json, e2e.json, e2e-permalinks.json) each on their own port (8700–8703)
• Updates Composer and npm dependencies; removes babel.config.js and phpunit.xml.dist in favour of config files under tools/
• Adds tools/potomatic/ scripts for automated translation generation
• Updates CLAUDE.md to document all new commands and environment setup

Update for WordPress 7.0 and PHP 8.5 compatibility

Updates PHPUnit tests and admin styles for compatibility with WordPress 7.0 and PHP 8.5.

Fix various bugs

• Fixes a fatal error when an add-on is improperly registered
• Fixes a syncing issue with the font selector and an issue reinitialising merge tags
• Fixes the colour picker
• Fixes Jest errors introduced by the font selector changes
• Removes the non-canonical URL notice
• Corrects @since tags carried over from hot-patch code

Add translator comments and update translations

Adds /* translators: */ comments to all translatable strings that reference placeholders (%s, %1$s, etc.), resolving all warnings produced by wp i18n make-pot. Updates .po/.mo files and adds .l10n.php files for all bundled locales; moves language files from src/assets/languages/ to languages/ at the plugin root.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.85%. Comparing base (4bc6ea4) to head (3bfbdf7).
⚠️ Report is 99 commits behind head on hot-patch.

Additional details and impacted files

@@              Coverage Diff              @@
##           hot-patch    #1643      +/-   ##
=============================================
+ Coverage      92.72%   92.85%   +0.12%     
=============================================
  Files             58       58              
  Lines           1526     1511      -15     
  Branches         420      419       -1     
=============================================
- Hits            1415     1403      -12     
  Misses           103      103              
+ Partials           8        5       -3     

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