Laravel Sku Laravel Package

Added

• Dev container support with PHP 8.3, Xdebug, PCOV, and common extensions (.devcontainer/)
• [@mixin](https://github.com/mixin) \Illuminate\Database\Eloquent\Model annotation to HasSku trait for improved IDE support
• #[Test] attribute support across all test classes, replacing /** [@test](https://github.com/test) */ docblock annotations

Changed

• Minimum PHP version bumped to 8.2+ (previously ^7.2|^8.0)
• Minimum Laravel version bumped to 12+ (previously ~5.6 through ^11.0); ^13.0 also supported
• orchestra/testbench narrowed to ^10.0|^11.0
• phpunit/phpunit narrowed to ^11.5.3|^12.5.12
• SkuOptions::from() parameter type narrowed from untyped to array|string
• SkuOptions class properties now carry explicit native type declarations (array, string, bool)
• bootHasSku() now defers observer registration via static::whenBooted() rather than registering eagerly
• SkuGenerator model dependency moved to constructor promotion with protected readonly
• toJson() in SkuGenerator now carries an explicit : string return type
• All public and protected methods across HasSku, SkuObserver, SkuOptions, SkuServiceProvider, and SkuGenerator now carry explicit return types
• HasSku::skuOption() return type changed from untyped to mixed
• SkuException::render() docblock corrected to use fully-qualified \Illuminate\Http\Request and \Illuminate\Http\Response
• SkuMacro docblock updated to typed closure signature \Closure(string $source, string|null $separator = null): string
• phpunit.xml schema updated to local vendor path; removed deprecated backupGlobals, processIsolation, stopOnFailure, and backupStaticProperties attributes; suffix=".php" removed from source directory definition
• Author homepage updated to https://binarycats.dev
• README.md Ukraine support banner sourced locally (./art/support-ukraine.svg)

Removed

• Support for PHP ^7.2 and ^8.0
• Support for Laravel ~5.6 through ^11.0
• Redundant [@param](https://github.com/param) and [@return](https://github.com/return) docblock tags superseded by native type hints throughout
• docker-based fix script from composer.json scripts

• add support for Laravel 7

• Add support for Laravel 5.6

• Initial release