refactor: Cleanup git state - commit all staged changes

Major refactoring cleanup:
- Add new controller architecture (class-controller-*.php)
- Add new settings-v2 UI (views/settings-v2/)
- Add new CSS architecture (agentic-sidebar.css, tokens)
- Add esbuild build pipeline (scripts/build.js, package.json)
- Add composer dependencies (vendor/)
- Add frontend src directory (assets/js/src/index.jsx)
- Add documentation files
- Remove old/obsolete files (class-settings.php, old CSS)

This commits all pending changes from previous refactoring efforts.

vendor/phpdocumentor/reflection-common/README.md

@@ -0,0 +1,11 @@
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+![Qa workflow](https://github.com/phpDocumentor/ReflectionCommon/workflows/Qa%20workflow/badge.svg)
+[![Coveralls Coverage](https://img.shields.io/coveralls/github/phpDocumentor/ReflectionCommon.svg)](https://coveralls.io/github/phpDocumentor/ReflectionCommon?branch=master)
+[![Scrutinizer Code Coverage](https://img.shields.io/scrutinizer/coverage/g/phpDocumentor/ReflectionCommon.svg)](https://scrutinizer-ci.com/g/phpDocumentor/ReflectionCommon/?branch=master)
+[![Scrutinizer Code Quality](https://img.shields.io/scrutinizer/g/phpDocumentor/ReflectionCommon.svg)](https://scrutinizer-ci.com/g/phpDocumentor/ReflectionCommon/?branch=master)
+[![Stable Version](https://img.shields.io/packagist/v/phpDocumentor/Reflection-Common.svg)](https://packagist.org/packages/phpDocumentor/Reflection-Common)
+[![Unstable Version](https://img.shields.io/packagist/vpre/phpDocumentor/Reflection-Common.svg)](https://packagist.org/packages/phpDocumentor/Reflection-Common)
+
+
+ReflectionCommon
+================