- Add IntegrationSources {ALLEGRO, SHOPPRO, APACZKA, INPOST} and RedirectPaths constants in src/Core/Constants/
- Replace integration source literals in AllegroOrderImportService, AllegroStatusSyncService, ShopproOrdersSyncService, ShopproPaymentStatusSyncService
- Replace redirect path literals in AllegroIntegrationController (24+ occurrences) and ShopproIntegrationsController (3 occurrences)
- Auto-fix: broken use statements from plan 06-01 in AllegroOrderImportService and AllegroIntegrationController (missing backslashes)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Jacek Pyziak
d7d3f996cc