Testbench Laravel Package

Added

• Initial release with dual-mode testing support (host app and standalone CI)
• TestCase base class extending Orchestra Testbench
• TestsMigrations trait for migration cycle assertions
  • assertMigrationCycle() - verify tables are created and dropped correctly
  • assertSurvivesInstallCycles() - test multiple install/uninstall cycles
  • assertNoCoreTables() - ensure migrations don't modify core TI tables
  • assertProperDownMethods() - verify all migrations have non-empty down() methods
  • assertSchemaAcceptsSeedData() - validate schema structure after rollback/migrate
• TestsTIIntegration trait for TI-specific assertions
  • assertParamsWork() - test TI settings storage/retrieval
  • assertExtensionRegistered() - verify extension registration
  • assertTIInstallCycle() - test extension install/uninstall/reinstall
  • assertCleanPurge() - verify purging drops all tables
  • assertNavigationRegistered() - check admin navigation items
  • assertPermissionsRegistered() - verify permission registration
• MocksTIServices trait for pre-built TI service mocks
  • mockExtensionManager() - mock ExtensionManager with sensible defaults
  • mockHubManager() - mock HubManager (theme management)
  • mockUpdateManager() - mock UpdateManager
  • mockPackageManifest() - mock PackageManifest
  • mockService() - generic service mocker with custom stubs
• Smart bootstrap that auto-detects host app vs standalone mode
• Automatic temp directory cleanup after tests
• SQLite in-memory database configuration for isolated testing
• Orchestra Testbench integration (Laravel 11 + 12 support)