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/symfony/property-info/CHANGELOG.md

@@ -0,0 +1,73 @@
+CHANGELOG
+=========
+
+7.3
+---
+
+ * Add support for `non-positive-int`, `non-negative-int` and `non-zero-int` PHPStan types to `PhpStanExtractor`
+ * Add `PropertyDescriptionExtractorInterface` to `PhpStanExtractor`
+ * Deprecate the `Type` class, use `Symfony\Component\TypeInfo\Type` class from `symfony/type-info` instead
+ * Deprecate the `PropertyTypeExtractorInterface::getTypes()` method, use `PropertyTypeExtractorInterface::getType()` instead
+ * Deprecate the `ConstructorArgumentTypeExtractorInterface::getTypesFromConstructor()` method, use `ConstructorArgumentTypeExtractorInterface::getTypeFromConstructor()` instead
+
+7.1
+---
+
+ * Introduce `PropertyDocBlockExtractorInterface` to extract a property's doc block
+ * Restrict access to `PhpStanExtractor` based on visibility
+ * Add `PropertyTypeExtractorInterface::getType()` as experimental
+
+6.4
+---
+
+ * Make properties writable when a setter in camelCase exists, similar to the camelCase getter
+
+6.1
+---
+
+ * Add support for phpDocumentor and PHPStan pseudo-types
+ * Add PHP 8.0 promoted properties `@param` mutation support to `PhpDocExtractor`
+ * Add PHP 8.0 promoted properties `@param` mutation support to `PhpStanExtractor`
+
+6.0
+---
+
+ * Remove the `Type::getCollectionKeyType()` and `Type::getCollectionValueType()` methods, use `Type::getCollectionKeyTypes()` and `Type::getCollectionValueTypes()` instead
+ * Remove the `enable_magic_call_extraction` context option in `ReflectionExtractor::getWriteInfo()` and `ReflectionExtractor::getReadInfo()` in favor of `enable_magic_methods_extraction`
+
+5.4
+---
+
+ * Add PhpStanExtractor
+
+5.3
+---
+
+ * Add support for multiple types for collection keys & values
+ * Deprecate the `Type::getCollectionKeyType()` and `Type::getCollectionValueType()` methods, use `Type::getCollectionKeyTypes()` and `Type::getCollectionValueTypes()` instead
+
+5.2.0
+-----
+
+ * deprecated the `enable_magic_call_extraction` context option in `ReflectionExtractor::getWriteInfo()` and `ReflectionExtractor::getReadInfo()` in favor of `enable_magic_methods_extraction`
+
+5.1.0
+-----
+
+ * Add support for extracting accessor and mutator via PHP Reflection
+
+4.3.0
+-----
+
+ * Added the ability to extract private and protected properties and methods on `ReflectionExtractor`
+ * Added the ability to extract property type based on its initial value
+
+4.2.0
+-----
+
+ * added `PropertyInitializableExtractorInterface` to test if a property can be initialized through the constructor (implemented by `ReflectionExtractor`)
+
+3.3.0
+-----
+
+ * Added `PropertyInfoPass`