Refactor: Replace wholesaler with supplier terminology and add fulfillment consumables logic

prisma/schema.prisma

@@ -208,6 +208,7 @@ model Supply {
   supplier       String       @default("Не указан")
   minStock       Int          @default(0)
   currentStock   Int          @default(0)
+  usedStock      Int          @default(0) // Количество использованных расходников
   imageUrl       String?
   createdAt      DateTime     @default(now())
   updatedAt      DateTime     @updatedAt