ver. 0.273 - ShopProducer refactor + cleanup 6 factory facades

- Domain\Producer\ProducerRepository (CRUD + frontend)
- admin\Controllers\ShopProducerController (DI)
- Nowe widoki: producers-list, producer-edit (table-list/form-edit)
- shop\Producer -> fasada do ProducerRepository
- Przepiecie ShopProduct factory na TransportRepository
- Usuniete 6 pustych factory facades: Languages, Newsletter, Scontainers, ShopProducer, ShopTransport, Layouts
- Usuniete legacy: controls\ShopProducer, stare szablony
- Testy: 338 tests, 1063 assertions OK

docs/REFACTORING_PLAN.md

@@ -152,6 +152,7 @@ grep -r "Product::getQuantity" .
 | 21 | ShopTransport | 0.269 | listForAdmin, find, save, allActive, allForAdmin, findActiveById, getTransportCost, lowestTransportPrice, getApiloCarrierAccountId, powiazanie z PaymentMethod, DI kontroler |
 | 22 | ShopAttribute | 0.271 | list/edit/save/delete/values, nowy edytor wartosci, cleanup legacy, przepiecie zaleznosci kombinacji |
 | 23 | ShopProductSets | 0.272 | listForAdmin, find, save, delete, allSets, allProductsMap, multi-select Selectize, DI kontroler |
+| 24 | ShopProducer | 0.273 | listForAdmin, find, save, delete, allProducers, producerProducts, fasada shop\Producer, DI kontroler |
 
 ### Product - szczegolowy status
 - ✅ getQuantity (ver. 0.238)
@@ -169,11 +170,11 @@ grep -r "Product::getQuantity" .
 
 ## Kolejność refaktoryzacji (priorytet)
 
-1-23: ✅ Cache, Product, Banner, Settings, Dictionaries, ProductArchive, Filemanager, Users, Pages, Integrations, ShopPromotion, ShopCoupon, ShopStatuses, ShopPaymentMethod, ShopTransport, ShopAttribute, ShopProductSets
+1-24: ✅ Cache, Product, Banner, Settings, Dictionaries, ProductArchive, Filemanager, Users, Pages, Integrations, ShopPromotion, ShopCoupon, ShopStatuses, ShopPaymentMethod, ShopTransport, ShopAttribute, ShopProductSets, ShopProducer
 
 Nastepne:
-24. **Order**
-25. **Category**
+25. **Order**
+26. **Category**
 
 ## Form Edit System
 
@@ -251,7 +252,9 @@ tests/
 │   │   ├── Dictionaries/DictionariesRepositoryTest.php
 │   │   ├── Integrations/IntegrationsRepositoryTest.php
 │   │   ├── PaymentMethod/PaymentMethodRepositoryTest.php
+│   │   ├── Producer/ProducerRepositoryTest.php
 │   │   ├── Product/ProductRepositoryTest.php
+│   │   ├── ProductSet/ProductSetRepositoryTest.php
 │   │   ├── Promotion/PromotionRepositoryTest.php
 │   │   ├── Settings/SettingsRepositoryTest.php
 │   │   ├── ShopStatus/ShopStatusRepositoryTest.php
@@ -265,12 +268,18 @@ tests/
 │           ├── SettingsControllerTest.php
 │           ├── ShopCouponControllerTest.php
 │           ├── ShopPaymentMethodControllerTest.php
+│           ├── ShopProducerControllerTest.php
+│           ├── ShopProductSetsControllerTest.php
 │           ├── ShopPromotionControllerTest.php
 │           ├── ShopStatusesControllerTest.php
 │           └── UsersControllerTest.php
 └── Integration/
 ```
-**Lacznie: 312 testow, 948 asercji**
+**Lacznie: 338 testow, 1063 asercji**
+
+Aktualizacja 2026-02-15 (ver. 0.273):
+- dodano testy `tests/Unit/Domain/Producer/ProducerRepositoryTest.php`
+- dodano testy `tests/Unit/admin/Controllers/ShopProducerControllerTest.php`
 
 Aktualizacja 2026-02-14 (ver. 0.271):
 - dodano testy `tests/Unit/Domain/Attribute/AttributeRepositoryTest.php`