Implement /update-check endpoint aligned with remote OpenAPI spec:
- Add checkForUpdates() method to LicenseClientInterface
- Add UpdateInfo DTO for update check responses
- Add ProductNotFoundException for product_not_found error
- Update local openapi.json to v0.4.0
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Update OpenAPI spec to v0.3.2 with signature header documentation
- Add X-License-Signature and X-License-Timestamp header definitions
- Clean up unused imports in security classes
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Set up composer.json with package metadata and PSR-4 autoloading
- Add symfony/http-client ^7.0 as HTTP client dependency
- Create project structure (src/, tests/, tmp/)
- Add README.md with project overview
- Add CHANGELOG.md to track version history
- Add .gitignore for vendor and cache files
- Include OpenAPI specification in tmp/openapi.json
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
