ver. 0.321: API produkty — obsługa custom_fields w create/update

- ProductsApiController: parsowanie custom_fields z body (name, type, is_required)
- Zaktualizowano docs/API.md

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

autoload/api/Controllers/ProductsApiController.php

@@ -497,6 +497,21 @@ class ProductsApiController
             $d['products_related'] = $body['products_related'];
         }
 
+        // Custom fields (Dodatkowe pola)
+        if (isset($body['custom_fields']) && is_array($body['custom_fields'])) {
+            $d['custom_field_name']     = [];
+            $d['custom_field_type']     = [];
+            $d['custom_field_required'] = [];
+            foreach ($body['custom_fields'] as $cf) {
+                if (!is_array($cf) || empty($cf['name'])) {
+                    continue;
+                }
+                $d['custom_field_name'][]     = (string)$cf['name'];
+                $d['custom_field_type'][]     = isset($cf['type']) ? (string)$cf['type'] : 'text';
+                $d['custom_field_required'][] = !empty($cf['is_required']) ? 1 : 0;
+            }
+        }
+
         return $d;
     }
 }

docs/API.md

@@ -302,11 +302,15 @@ Content-Type: application/json
     }
   },
   "categories": [1, 5],
-  "products_related": [10, 20]
+  "products_related": [10, 20],
+  "custom_fields": [
+    {"name": "Napis na koszulce", "type": "text", "is_required": 1}
+  ]
 }
 ```
 
 Wymagane: `languages` (min. 1 jezyk z `name`) oraz `price_brutto`.
+`custom_fields` — opcjonalne; kazdy element wymaga `name`, `type` (domyslnie `text`), `is_required` (0/1).
 
 Odpowiedz (HTTP 201):
 ```json

updates/0.30/ver_0.320_manifest.json

@@ -0,0 +1,26 @@
+{
+    "changelog":  "NEW - API: endpoint ensure_producer (znajdź lub utwórz producenta); GET product zwraca producer_name",
+    "version":  "0.320",
+    "files":  {
+                  "added":  [
+
+                            ],
+                  "deleted":  [
+
+                              ],
+                  "modified":  [
+                                   "autoload/Domain/Producer/ProducerRepository.php",
+                                   "autoload/Domain/Product/ProductRepository.php",
+                                   "autoload/api/ApiRouter.php",
+                                   "autoload/api/Controllers/DictionariesApiController.php"
+                               ]
+              },
+    "checksum_zip":  "sha256:eb38b6f260768c25d331de60098eba647a897972c211b37b39314c8a3f954bf3",
+    "sql":  [
+
+            ],
+    "date":  "2026-02-24",
+    "directories_deleted":  [
+
+                            ]
+}

updates/versions.php

@@ -1,5 +1,5 @@
 <?
-$current_ver = 320;
+$current_ver = 321;
 
 for ($i = 1; $i <= $current_ver; $i++)
 {