diff --git a/engine/core/fixtures/demo.json b/engine/core/fixtures/demo.json
new file mode 100644
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@@ -0,0 +1,710 @@
+{
+  "category_tags": [
+    {"tag_name": "precious", "name": "Precious Stones", "name_ru": "Драгоценные камни"},
+    {"tag_name": "semi-precious", "name": "Semi-Precious Stones", "name_ru": "Полудрагоценные камни"},
+    {"tag_name": "organic", "name": "Organic Gems", "name_ru": "Органические камни"}
+  ],
+  "product_tags": [
+    {"tag_name": "certified", "name": "GIA Certified", "name_ru": "Сертификат GIA"},
+    {"tag_name": "ethically-sourced", "name": "Ethically Sourced", "name_ru": "Этичное происхождение"},
+    {"tag_name": "rare", "name": "Rare Find", "name_ru": "Редкая находка"},
+    {"tag_name": "investment", "name": "Investment Grade", "name_ru": "Инвестиционное качество"},
+    {"tag_name": "collector", "name": "Collector's Item", "name_ru": "Коллекционный экземпляр"}
+  ],
+  "attribute_groups": [
+    {"name": "Physical Properties", "name_ru": "Физические свойства"},
+    {"name": "Grading", "name_ru": "Оценка качества"},
+    {"name": "Origin", "name_ru": "Происхождение"}
+  ],
+  "attributes": [
+    {"group": "Physical Properties", "name": "Carat Weight", "name_ru": "Вес в каратах", "value_type": "float", "is_filterable": true},
+    {"group": "Physical Properties", "name": "Dimensions (mm)", "name_ru": "Размеры (мм)", "value_type": "string", "is_filterable": false},
+    {"group": "Physical Properties", "name": "Cut", "name_ru": "Огранка", "value_type": "string", "is_filterable": true},
+    {"group": "Grading", "name": "Color Grade", "name_ru": "Цветовая категория", "value_type": "string", "is_filterable": true},
+    {"group": "Grading", "name": "Clarity Grade", "name_ru": "Чистота", "value_type": "string", "is_filterable": true},
+    {"group": "Origin", "name": "Country of Origin", "name_ru": "Страна происхождения", "value_type": "string", "is_filterable": true},
+    {"group": "Origin", "name": "Mine", "name_ru": "Месторождение", "value_type": "string", "is_filterable": true}
+  ],
+  "brands": [
+    {
+      "name": "Sparkle & Stone",
+      "name_ru": "Искра и Камень",
+      "description": "Premium gemstone specialists since 1987. Known for exceptional quality and ethical sourcing.",
+      "description_ru": "Премиальные специалисты по драгоценным камням с 1987 года. Известны исключительным качеством и этичными поставками."
+    },
+    {
+      "name": "Azure Dreams",
+      "name_ru": "Лазурные Мечты",
+      "description": "Specializing in rare blue gemstones from around the world.",
+      "description_ru": "Специализируемся на редких голубых драгоценных камнях со всего мира."
+    },
+    {
+      "name": "Crimson Vault",
+      "name_ru": "Багровое Хранилище",
+      "description": "Expert purveyors of red and pink precious stones.",
+      "description_ru": "Эксперты по красным и розовым драгоценным камням."
+    },
+    {
+      "name": "Evergreen Gems",
+      "name_ru": "Вечнозелёные Камни",
+      "description": "The world's finest emeralds and green gemstones.",
+      "description_ru": "Лучшие изумруды и зелёные драгоценные камни в мире."
+    },
+    {
+      "name": "Lumina Treasures",
+      "name_ru": "Сокровища Люмина",
+      "description": "Collectors' gems with exceptional clarity and fire.",
+      "description_ru": "Коллекционные камни с исключительной чистотой и игрой света."
+    },
+    {
+      "name": "Oceanic Pearls",
+      "name_ru": "Океанический Жемчуг",
+      "description": "Sustainably harvested pearls from pristine waters.",
+      "description_ru": "Жемчуг устойчивого происхождения из чистейших вод."
+    },
+    {
+      "name": "Terra Rara",
+      "name_ru": "Терра Рара",
+      "description": "Rare and unusual gemstones for the discerning collector.",
+      "description_ru": "Редкие и необычные драгоценные камни для взыскательных коллекционеров."
+    },
+    {
+      "name": "Crystal Kingdom",
+      "name_ru": "Хрустальное Королевство",
+      "description": "Quartz varieties and crystal formations of museum quality.",
+      "description_ru": "Разновидности кварца и кристаллические образования музейного качества."
+    }
+  ],
+  "categories": [
+    {
+      "name": "Gemstones",
+      "name_ru": "Драгоценные камни",
+      "description": "Fine gemstones from around the world",
+      "description_ru": "Изысканные драгоценные камни со всего мира",
+      "parent": null,
+      "markup_percent": 0
+    },
+    {
+      "name": "Diamonds",
+      "name_ru": "Бриллианты",
+      "description": "The hardest natural material on Earth, prized for brilliance and fire",
+      "description_ru": "Самый твёрдый природный материал на Земле, ценится за блеск и игру света",
+      "parent": "Gemstones",
+      "markup_percent": 15
+    },
+    {
+      "name": "Rubies",
+      "name_ru": "Рубины",
+      "description": "The king of precious stones, known for deep red color",
+      "description_ru": "Король драгоценных камней, известен глубоким красным цветом",
+      "parent": "Gemstones",
+      "markup_percent": 12
+    },
+    {
+      "name": "Sapphires",
+      "name_ru": "Сапфиры",
+      "description": "Classic blue gemstones with exceptional hardness",
+      "description_ru": "Классические голубые драгоценные камни с исключительной твёрдостью",
+      "parent": "Gemstones",
+      "markup_percent": 10
+    },
+    {
+      "name": "Emeralds",
+      "name_ru": "Изумруды",
+      "description": "Lush green beryl gemstones, symbol of rebirth",
+      "description_ru": "Роскошные зелёные камни берилла, символ возрождения",
+      "parent": "Gemstones",
+      "markup_percent": 10
+    },
+    {
+      "name": "Opals",
+      "name_ru": "Опалы",
+      "description": "Play-of-color gemstones with unique patterns",
+      "description_ru": "Камни с игрой цвета и уникальными узорами",
+      "parent": "Gemstones",
+      "markup_percent": 8
+    },
+    {
+      "name": "Pearls",
+      "name_ru": "Жемчуг",
+      "description": "Organic gems formed within mollusks",
+      "description_ru": "Органические драгоценности, образующиеся в моллюсках",
+      "parent": "Gemstones",
+      "markup_percent": 5
+    },
+    {
+      "name": "Amethyst",
+      "name_ru": "Аметист",
+      "description": "Purple quartz variety, February birthstone",
+      "description_ru": "Фиолетовая разновидность кварца, камень рождения февраля",
+      "parent": "Gemstones",
+      "markup_percent": 5
+    },
+    {
+      "name": "Aquamarine",
+      "name_ru": "Аквамарин",
+      "description": "Sea-blue beryl, March birthstone",
+      "description_ru": "Морской голубой берилл, камень рождения марта",
+      "parent": "Gemstones",
+      "markup_percent": 6
+    },
+    {
+      "name": "Tanzanite",
+      "name_ru": "Танзанит",
+      "description": "Rare blue-violet zoisite from Tanzania",
+      "description_ru": "Редкий сине-фиолетовый цоизит из Танзании",
+      "parent": "Gemstones",
+      "markup_percent": 12
+    },
+    {
+      "name": "Tourmaline",
+      "name_ru": "Турмалин",
+      "description": "Multi-colored gemstones with electric properties",
+      "description_ru": "Многоцветные драгоценные камни с электрическими свойствами",
+      "parent": "Gemstones",
+      "markup_percent": 7
+    }
+  ],
+  "products": [
+    {
+      "name": "Round Brilliant Diamond 1.5ct D VVS1",
+      "name_ru": "Бриллиант круглой огранки 1.5 карата D VVS1",
+      "description": "Exceptional 1.5 carat round brilliant cut diamond with D color and VVS1 clarity. Triple excellent cut grade with strong blue fluorescence. GIA certified. Perfect for an engagement ring centerpiece.",
+      "description_ru": "Исключительный бриллиант круглой огранки 1.5 карата с цветом D и чистотой VVS1. Тройная превосходная огранка с сильной голубой флуоресценцией. Сертификат GIA. Идеален для центрального камня обручального кольца.",
+      "category": "Diamonds",
+      "brand": "Sparkle & Stone",
+      "partnumber": "DIA-RB-150-D-VVS1",
+      "price": 18500,
+      "purchase_price": 15000,
+      "quantity": 3
+    },
+    {
+      "name": "Princess Cut Diamond 2.0ct E VS2",
+      "name_ru": "Бриллиант огранки «Принцесса» 2.0 карата E VS2",
+      "description": "Stunning 2.0 carat princess cut diamond with E color and VS2 clarity. Modern cut with excellent symmetry. GIA certified with laser inscription.",
+      "description_ru": "Потрясающий бриллиант огранки «Принцесса» 2.0 карата с цветом E и чистотой VS2. Современная огранка с отличной симметрией. Сертификат GIA с лазерной гравировкой.",
+      "category": "Diamonds",
+      "brand": "Sparkle & Stone",
+      "partnumber": "DIA-PC-200-E-VS2",
+      "price": 24000,
+      "purchase_price": 19500,
+      "quantity": 2
+    },
+    {
+      "name": "Oval Diamond 1.2ct F IF",
+      "name_ru": "Бриллиант овальной огранки 1.2 карата F IF",
+      "description": "Magnificent 1.2 carat oval cut diamond with F color and Internally Flawless clarity. Exceptional fire and brilliance with elongated shape.",
+      "description_ru": "Великолепный бриллиант овальной огранки 1.2 карата с цветом F и безупречной внутренней чистотой. Исключительная игра света и блеск с удлинённой формой.",
+      "category": "Diamonds",
+      "brand": "Lumina Treasures",
+      "partnumber": "DIA-OV-120-F-IF",
+      "price": 28500,
+      "purchase_price": 23000,
+      "quantity": 1
+    },
+    {
+      "name": "Cushion Cut Diamond 3.0ct G VS1",
+      "name_ru": "Бриллиант огранки «Кушон» 3.0 карата G VS1",
+      "description": "Impressive 3.0 carat cushion cut diamond with G color and VS1 clarity. Vintage-inspired cut with modern brilliance.",
+      "description_ru": "Впечатляющий бриллиант огранки «Кушон» 3.0 карата с цветом G и чистотой VS1. Огранка в винтажном стиле с современным блеском.",
+      "category": "Diamonds",
+      "brand": "Sparkle & Stone",
+      "partnumber": "DIA-CU-300-G-VS1",
+      "price": 42000,
+      "purchase_price": 35000,
+      "quantity": 1
+    },
+    {
+      "name": "Emerald Cut Diamond 1.8ct D VVS2",
+      "name_ru": "Бриллиант изумрудной огранки 1.8 карата D VVS2",
+      "description": "Elegant 1.8 carat emerald cut diamond with D color and VVS2 clarity. Step-cut facets create a hall-of-mirrors effect.",
+      "description_ru": "Элегантный бриллиант изумрудной огранки 1.8 карата с цветом D и чистотой VVS2. Ступенчатые грани создают эффект зеркального зала.",
+      "category": "Diamonds",
+      "brand": "Lumina Treasures",
+      "partnumber": "DIA-EM-180-D-VVS2",
+      "price": 32000,
+      "purchase_price": 26000,
+      "quantity": 2
+    },
+    {
+      "name": "Fancy Yellow Diamond 2.5ct",
+      "name_ru": "Фантазийный жёлтый бриллиант 2.5 карата",
+      "description": "Magnificent 2.5 carat fancy intense yellow diamond. Radiant cut with excellent color distribution. GIA certified.",
+      "description_ru": "Великолепный фантазийный интенсивно-жёлтый бриллиант 2.5 карата. Огранка «Радиант» с отличным распределением цвета. Сертификат GIA.",
+      "category": "Diamonds",
+      "brand": "Lumina Treasures",
+      "partnumber": "DIA-FY-250",
+      "price": 65000,
+      "purchase_price": 52000,
+      "quantity": 1
+    },
+    {
+      "name": "Pink Diamond 0.5ct Fancy Light",
+      "name_ru": "Розовый бриллиант 0.5 карата Fancy Light",
+      "description": "Rare 0.5 carat pink diamond with fancy light pink color. Pear shape from Argyle mine. Investment piece.",
+      "description_ru": "Редкий розовый бриллиант 0.5 карата светло-розового цвета. Грушевидная форма из рудника Аргайл. Инвестиционный экземпляр.",
+      "category": "Diamonds",
+      "brand": "Lumina Treasures",
+      "partnumber": "DIA-PNK-050-FL",
+      "price": 125000,
+      "purchase_price": 100000,
+      "quantity": 1
+    },
+    {
+      "name": "Burmese Ruby 2.5ct Pigeon Blood",
+      "name_ru": "Бирманский рубин 2.5 карата «Голубиная кровь»",
+      "description": "Exceptional 2.5 carat Burmese ruby with coveted pigeon blood color. Unheated and untreated with GRS certificate. Extremely rare collector's gem.",
+      "description_ru": "Исключительный бирманский рубин 2.5 карата с желанным цветом «голубиной крови». Без нагрева и обработки, сертификат GRS. Чрезвычайно редкий коллекционный камень.",
+      "category": "Rubies",
+      "brand": "Crimson Vault",
+      "partnumber": "RUB-BUR-250-PB",
+      "price": 125000,
+      "purchase_price": 100000,
+      "quantity": 1
+    },
+    {
+      "name": "Mozambique Ruby 1.8ct Vivid Red",
+      "name_ru": "Мозамбикский рубин 1.8 карата насыщенно-красный",
+      "description": "Beautiful 1.8 carat Mozambique ruby with vivid red saturation. Minor heat treatment for enhanced clarity. Excellent value.",
+      "description_ru": "Прекрасный мозамбикский рубин 1.8 карата с насыщенной красной окраской. Незначительная термообработка для улучшения чистоты. Отличное соотношение цены и качества.",
+      "category": "Rubies",
+      "brand": "Crimson Vault",
+      "partnumber": "RUB-MOZ-180-VR",
+      "price": 8500,
+      "purchase_price": 6800,
+      "quantity": 4
+    },
+    {
+      "name": "Star Ruby 3.2ct Six-Ray",
+      "name_ru": "Звёздчатый рубин 3.2 карата с шестилучевой звездой",
+      "description": "Magnificent 3.2 carat star ruby displaying sharp six-ray asterism. Cabochon cut to showcase the star effect. From Sri Lanka.",
+      "description_ru": "Великолепный звёздчатый рубин 3.2 карата с чёткой шестилучевой звездой. Огранка кабошон для демонстрации эффекта звезды. Из Шри-Ланки.",
+      "category": "Rubies",
+      "brand": "Terra Rara",
+      "partnumber": "RUB-STAR-320-SR",
+      "price": 15000,
+      "purchase_price": 12000,
+      "quantity": 2
+    },
+    {
+      "name": "Kashmir Sapphire 3.0ct Cornflower Blue",
+      "name_ru": "Кашмирский сапфир 3.0 карата васильково-голубой",
+      "description": "Museum-quality 3.0 carat Kashmir sapphire with legendary cornflower blue color. Unheated with velvety luster. Investment grade.",
+      "description_ru": "Кашмирский сапфир музейного качества 3.0 карата с легендарным васильково-голубым цветом. Без нагрева, с бархатистым блеском. Инвестиционное качество.",
+      "category": "Sapphires",
+      "brand": "Azure Dreams",
+      "partnumber": "SAP-KAS-300-CB",
+      "price": 185000,
+      "purchase_price": 150000,
+      "quantity": 1
+    },
+    {
+      "name": "Ceylon Sapphire 2.2ct Royal Blue",
+      "name_ru": "Цейлонский сапфир 2.2 карата королевский синий",
+      "description": "Stunning 2.2 carat Ceylon sapphire with rich royal blue color. Excellent clarity with minor silk inclusions. Heat treated.",
+      "description_ru": "Потрясающий цейлонский сапфир 2.2 карата насыщенного королевского синего цвета. Отличная чистота с незначительными шёлковыми включениями. Термообработан.",
+      "category": "Sapphires",
+      "brand": "Azure Dreams",
+      "partnumber": "SAP-CEY-220-RB",
+      "price": 12500,
+      "purchase_price": 10000,
+      "quantity": 3
+    },
+    {
+      "name": "Padparadscha Sapphire 1.5ct",
+      "name_ru": "Сапфир падпараджа 1.5 карата",
+      "description": "Rare 1.5 carat padparadscha sapphire with pink-orange sunset color. Unheated Sri Lankan origin. Highly sought after by collectors.",
+      "description_ru": "Редкий сапфир падпараджа 1.5 карата с розово-оранжевым закатным цветом. Без нагрева, происхождение Шри-Ланка. Высоко ценится коллекционерами.",
+      "category": "Sapphires",
+      "brand": "Terra Rara",
+      "partnumber": "SAP-PAD-150",
+      "price": 45000,
+      "purchase_price": 36000,
+      "quantity": 1
+    },
+    {
+      "name": "Yellow Sapphire 4.0ct Golden",
+      "name_ru": "Жёлтый сапфир 4.0 карата золотистый",
+      "description": "Brilliant 4.0 carat yellow sapphire with intense golden color. From Sri Lanka with excellent clarity. Untreated.",
+      "description_ru": "Блестящий жёлтый сапфир 4.0 карата интенсивного золотистого цвета. Из Шри-Ланки с отличной чистотой. Без обработки.",
+      "category": "Sapphires",
+      "brand": "Azure Dreams",
+      "partnumber": "SAP-YEL-400-GD",
+      "price": 6500,
+      "purchase_price": 5200,
+      "quantity": 5
+    },
+    {
+      "name": "Pink Sapphire 1.8ct Hot Pink",
+      "name_ru": "Розовый сапфир 1.8 карата ярко-розовый",
+      "description": "Vibrant 1.8 carat pink sapphire with hot pink saturation. Madagascar origin with excellent transparency.",
+      "description_ru": "Яркий розовый сапфир 1.8 карата с насыщенным ярко-розовым цветом. Происхождение Мадагаскар с отличной прозрачностью.",
+      "category": "Sapphires",
+      "brand": "Crimson Vault",
+      "partnumber": "SAP-PNK-180-HP",
+      "price": 4200,
+      "purchase_price": 3400,
+      "quantity": 6
+    },
+    {
+      "name": "Colombian Emerald 2.8ct Muzo Green",
+      "name_ru": "Колумбийский изумруд 2.8 карата зелёный Музо",
+      "description": "Premium 2.8 carat Colombian emerald from the famous Muzo mines. Deep green color with characteristic jardín inclusions.",
+      "description_ru": "Премиальный колумбийский изумруд 2.8 карата из знаменитых шахт Музо. Глубокий зелёный цвет с характерными включениями «жардин».",
+      "category": "Emeralds",
+      "brand": "Evergreen Gems",
+      "partnumber": "EME-COL-280-MZ",
+      "price": 35000,
+      "purchase_price": 28000,
+      "quantity": 2
+    },
+    {
+      "name": "Zambian Emerald 3.5ct Vivid Green",
+      "name_ru": "Замбийский изумруд 3.5 карата насыщенно-зелёный",
+      "description": "Impressive 3.5 carat Zambian emerald with vivid bluish-green color. Higher clarity than Colombian stones. Minor oil treatment.",
+      "description_ru": "Впечатляющий замбийский изумруд 3.5 карата с насыщенным сине-зелёным цветом. Чистота выше, чем у колумбийских камней. Незначительная масляная обработка.",
+      "category": "Emeralds",
+      "brand": "Evergreen Gems",
+      "partnumber": "EME-ZAM-350-VG",
+      "price": 18500,
+      "purchase_price": 15000,
+      "quantity": 3
+    },
+    {
+      "name": "Brazilian Emerald 1.2ct Medium Green",
+      "name_ru": "Бразильский изумруд 1.2 карата средне-зелёный",
+      "description": "Beautiful 1.2 carat Brazilian emerald with medium green saturation. Good clarity with subtle inclusions. Value option.",
+      "description_ru": "Прекрасный бразильский изумруд 1.2 карата средней зелёной насыщенности. Хорошая чистота с незаметными включениями. Выгодный вариант.",
+      "category": "Emeralds",
+      "brand": "Evergreen Gems",
+      "partnumber": "EME-BRA-120-MG",
+      "price": 2800,
+      "purchase_price": 2200,
+      "quantity": 8
+    },
+    {
+      "name": "Australian Black Opal 5.2ct",
+      "name_ru": "Австралийский чёрный опал 5.2 карата",
+      "description": "Spectacular 5.2 carat Australian black opal from Lightning Ridge. Brilliant play-of-color with red, green, and blue flashes.",
+      "description_ru": "Потрясающий австралийский чёрный опал 5.2 карата из Лайтнинг Ридж. Блестящая игра цвета с красными, зелёными и синими вспышками.",
+      "category": "Opals",
+      "brand": "Terra Rara",
+      "partnumber": "OPL-BLK-520-LR",
+      "price": 28000,
+      "purchase_price": 22500,
+      "quantity": 1
+    },
+    {
+      "name": "Ethiopian Welo Opal 3.8ct",
+      "name_ru": "Эфиопский опал Вело 3.8 карата",
+      "description": "Stunning 3.8 carat Ethiopian Welo opal with hydrophane properties. Intense play-of-color with honeycomb pattern.",
+      "description_ru": "Потрясающий эфиопский опал Вело 3.8 карата с гидрофанными свойствами. Интенсивная игра цвета с сотовым рисунком.",
+      "category": "Opals",
+      "brand": "Terra Rara",
+      "partnumber": "OPL-ETH-380-WL",
+      "price": 3500,
+      "purchase_price": 2800,
+      "quantity": 5
+    },
+    {
+      "name": "Boulder Opal 8.5ct",
+      "name_ru": "Боулдер-опал 8.5 карата",
+      "description": "Natural 8.5 carat boulder opal with ironstone matrix. Unique patterns with veins of brilliant color.",
+      "description_ru": "Природный боулдер-опал 8.5 карата с железистой матрицей. Уникальные узоры с прожилками ярких цветов.",
+      "category": "Opals",
+      "brand": "Terra Rara",
+      "partnumber": "OPL-BLD-850",
+      "price": 4800,
+      "purchase_price": 3800,
+      "quantity": 3
+    },
+    {
+      "name": "Fire Opal 2.1ct Mexican Orange",
+      "name_ru": "Огненный опал 2.1 карата мексиканский оранжевый",
+      "description": "Brilliant 2.1 carat Mexican fire opal with intense orange color. Transparent with subtle play-of-color.",
+      "description_ru": "Блестящий мексиканский огненный опал 2.1 карата интенсивного оранжевого цвета. Прозрачный с тонкой игрой цвета.",
+      "category": "Opals",
+      "brand": "Lumina Treasures",
+      "partnumber": "OPL-FIRE-210-MX",
+      "price": 1200,
+      "purchase_price": 950,
+      "quantity": 7
+    },
+    {
+      "name": "South Sea Pearl 14mm Golden",
+      "name_ru": "Жемчуг Южных морей 14мм золотистый",
+      "description": "Luxurious 14mm South Sea pearl with deep golden color. AAA grade with excellent luster and minimal blemishes.",
+      "description_ru": "Роскошный жемчуг Южных морей 14мм глубокого золотистого цвета. Класс AAA с отличным блеском и минимальными дефектами.",
+      "category": "Pearls",
+      "brand": "Oceanic Pearls",
+      "partnumber": "PRL-SSG-14MM",
+      "price": 8500,
+      "purchase_price": 6800,
+      "quantity": 4
+    },
+    {
+      "name": "Tahitian Pearl 12mm Peacock",
+      "name_ru": "Таитянский жемчуг 12мм павлиний",
+      "description": "Exotic 12mm Tahitian pearl with peacock overtones. Natural dark body color with green and purple iridescence.",
+      "description_ru": "Экзотический таитянский жемчуг 12мм с павлиньими переливами. Природный тёмный цвет тела с зелёной и фиолетовой иризацией.",
+      "category": "Pearls",
+      "brand": "Oceanic Pearls",
+      "partnumber": "PRL-TAH-12MM-PC",
+      "price": 3200,
+      "purchase_price": 2500,
+      "quantity": 6
+    },
+    {
+      "name": "Akoya Pearl Strand 7mm",
+      "name_ru": "Нить жемчуга Акойя 7мм",
+      "description": "Classic 18-inch strand of 7mm Akoya pearls. Perfect round shape with bright white body and rose overtone.",
+      "description_ru": "Классическая нить жемчуга Акойя 7мм длиной 45 см. Идеально круглая форма с ярко-белым телом и розовым перламутром.",
+      "category": "Pearls",
+      "brand": "Oceanic Pearls",
+      "partnumber": "PRL-AKO-7MM-STR",
+      "price": 4500,
+      "purchase_price": 3600,
+      "quantity": 3
+    },
+    {
+      "name": "Freshwater Pearl Set",
+      "name_ru": "Набор пресноводного жемчуга",
+      "description": "Elegant set of 10 matched freshwater pearls, 9-10mm. Various pastel colors including white, pink, and lavender.",
+      "description_ru": "Элегантный набор из 10 подобранных пресноводных жемчужин 9-10мм. Различные пастельные цвета: белый, розовый и лавандовый.",
+      "category": "Pearls",
+      "brand": "Oceanic Pearls",
+      "partnumber": "PRL-FW-SET-10",
+      "price": 850,
+      "purchase_price": 680,
+      "quantity": 10
+    },
+    {
+      "name": "Siberian Amethyst 8.5ct Deep Purple",
+      "name_ru": "Сибирский аметист 8.5 карата тёмно-фиолетовый",
+      "description": "Premium 8.5 carat Siberian amethyst with legendary deep purple color and red flashes. Cushion cut.",
+      "description_ru": "Премиальный сибирский аметист 8.5 карата с легендарным тёмно-фиолетовым цветом и красными вспышками. Огранка «Кушон».",
+      "category": "Amethyst",
+      "brand": "Crystal Kingdom",
+      "partnumber": "AME-SIB-850-DP",
+      "price": 1200,
+      "purchase_price": 950,
+      "quantity": 5
+    },
+    {
+      "name": "Uruguayan Amethyst 12.3ct",
+      "name_ru": "Уругвайский аметист 12.3 карата",
+      "description": "Magnificent 12.3 carat Uruguayan amethyst with excellent saturation. Oval cut with exceptional clarity.",
+      "description_ru": "Великолепный уругвайский аметист 12.3 карата с отличной насыщенностью. Овальная огранка с исключительной чистотой.",
+      "category": "Amethyst",
+      "brand": "Crystal Kingdom",
+      "partnumber": "AME-URU-1230",
+      "price": 650,
+      "purchase_price": 520,
+      "quantity": 8
+    },
+    {
+      "name": "Ametrine 6.8ct Bi-Color",
+      "name_ru": "Аметрин 6.8 карата двухцветный",
+      "description": "Unique 6.8 carat ametrine showing both amethyst purple and citrine gold colors. Emerald cut from Bolivia.",
+      "description_ru": "Уникальный аметрин 6.8 карата, демонстрирующий фиолетовый цвет аметиста и золотистый цитрина. Изумрудная огранка, Боливия.",
+      "category": "Amethyst",
+      "brand": "Crystal Kingdom",
+      "partnumber": "AME-TRI-680-BC",
+      "price": 450,
+      "purchase_price": 360,
+      "quantity": 6
+    },
+    {
+      "name": "Santa Maria Aquamarine 4.2ct",
+      "name_ru": "Аквамарин Санта-Мария 4.2 карата",
+      "description": "Exceptional 4.2 carat Santa Maria aquamarine with intense blue color. The finest aquamarine variety from Brazil.",
+      "description_ru": "Исключительный аквамарин Санта-Мария 4.2 карата с интенсивным голубым цветом. Лучшая разновидность аквамарина из Бразилии.",
+      "category": "Aquamarine",
+      "brand": "Azure Dreams",
+      "partnumber": "AQU-SM-420",
+      "price": 5500,
+      "purchase_price": 4400,
+      "quantity": 2
+    },
+    {
+      "name": "Madagascar Aquamarine 7.5ct",
+      "name_ru": "Мадагаскарский аквамарин 7.5 карата",
+      "description": "Beautiful 7.5 carat Madagascar aquamarine with light blue color. Excellent clarity with octagon cut.",
+      "description_ru": "Прекрасный мадагаскарский аквамарин 7.5 карата светло-голубого цвета. Отличная чистота с восьмиугольной огранкой.",
+      "category": "Aquamarine",
+      "brand": "Azure Dreams",
+      "partnumber": "AQU-MAD-750",
+      "price": 2200,
+      "purchase_price": 1750,
+      "quantity": 4
+    },
+    {
+      "name": "Pakistani Aquamarine 15.2ct",
+      "name_ru": "Пакистанский аквамарин 15.2 карата",
+      "description": "Spectacular 15.2 carat aquamarine from Pakistan's Shigar Valley. Medium blue with exceptional size and clarity.",
+      "description_ru": "Впечатляющий аквамарин 15.2 карата из пакистанской долины Шигар. Средне-голубой с исключительным размером и чистотой.",
+      "category": "Aquamarine",
+      "brand": "Terra Rara",
+      "partnumber": "AQU-PAK-1520",
+      "price": 4800,
+      "purchase_price": 3850,
+      "quantity": 2
+    },
+    {
+      "name": "AAA Tanzanite 5.8ct Vivid Blue",
+      "name_ru": "Танзанит ААА 5.8 карата насыщенно-синий",
+      "description": "Top-quality 5.8 carat tanzanite with vivid blue-violet color. Trillion cut with exceptional saturation.",
+      "description_ru": "Танзанит высшего качества 5.8 карата с насыщенным сине-фиолетовым цветом. Огранка «Триллион» с исключительной насыщенностью.",
+      "category": "Tanzanite",
+      "brand": "Terra Rara",
+      "partnumber": "TAN-AAA-580-VB",
+      "price": 8500,
+      "purchase_price": 6800,
+      "quantity": 2
+    },
+    {
+      "name": "Tanzanite 3.2ct Blue-Violet",
+      "name_ru": "Танзанит 3.2 карата сине-фиолетовый",
+      "description": "Beautiful 3.2 carat tanzanite with balanced blue-violet color shift. Oval cut with good clarity.",
+      "description_ru": "Прекрасный танзанит 3.2 карата со сбалансированным сине-фиолетовым переходом цвета. Овальная огранка с хорошей чистотой.",
+      "category": "Tanzanite",
+      "brand": "Terra Rara",
+      "partnumber": "TAN-320-BV",
+      "price": 3200,
+      "purchase_price": 2560,
+      "quantity": 4
+    },
+    {
+      "name": "Tanzanite Pair 2.0ct Each",
+      "name_ru": "Пара танзанитов по 2.0 карата",
+      "description": "Matched pair of 2.0 carat tanzanites, perfect for earrings. Identical color and cut with excellent symmetry.",
+      "description_ru": "Подобранная пара танзанитов по 2.0 карата, идеальна для серёг. Идентичный цвет и огранка с отличной симметрией.",
+      "category": "Tanzanite",
+      "brand": "Terra Rara",
+      "partnumber": "TAN-PAIR-200",
+      "price": 5800,
+      "purchase_price": 4650,
+      "quantity": 3
+    },
+    {
+      "name": "Paraiba Tourmaline 1.2ct Neon Blue",
+      "name_ru": "Параиба турмалин 1.2 карата неоново-голубой",
+      "description": "Extremely rare 1.2 carat Paraiba tourmaline with electric neon blue color. Brazilian origin with copper inclusions.",
+      "description_ru": "Чрезвычайно редкий турмалин параиба 1.2 карата с электрическим неоново-голубым цветом. Бразильское происхождение с медными включениями.",
+      "category": "Tourmaline",
+      "brand": "Terra Rara",
+      "partnumber": "TOU-PAR-120-NB",
+      "price": 85000,
+      "purchase_price": 68000,
+      "quantity": 1
+    },
+    {
+      "name": "Watermelon Tourmaline 8.5ct",
+      "name_ru": "Арбузный турмалин 8.5 карата",
+      "description": "Stunning 8.5 carat watermelon tourmaline with pink center and green rim. Slice cut to display bi-color.",
+      "description_ru": "Потрясающий арбузный турмалин 8.5 карата с розовым центром и зелёным ободком. Огранка «слайс» для демонстрации двуцветности.",
+      "category": "Tourmaline",
+      "brand": "Crystal Kingdom",
+      "partnumber": "TOU-WM-850",
+      "price": 1800,
+      "purchase_price": 1450,
+      "quantity": 4
+    },
+    {
+      "name": "Rubellite Tourmaline 4.3ct",
+      "name_ru": "Рубеллит турмалин 4.3 карата",
+      "description": "Vivid 4.3 carat rubellite tourmaline with raspberry red color. Cushion cut with excellent saturation.",
+      "description_ru": "Яркий рубеллит турмалин 4.3 карата малиново-красного цвета. Огранка «Кушон» с отличной насыщенностью.",
+      "category": "Tourmaline",
+      "brand": "Crimson Vault",
+      "partnumber": "TOU-RUB-430",
+      "price": 3500,
+      "purchase_price": 2800,
+      "quantity": 3
+    },
+    {
+      "name": "Chrome Tourmaline 2.8ct",
+      "name_ru": "Хромовый турмалин 2.8 карата",
+      "description": "Rich 2.8 carat chrome tourmaline with intense green color. From East Africa with excellent transparency.",
+      "description_ru": "Насыщенный хромовый турмалин 2.8 карата интенсивного зелёного цвета. Из Восточной Африки с отличной прозрачностью.",
+      "category": "Tourmaline",
+      "brand": "Evergreen Gems",
+      "partnumber": "TOU-CHR-280",
+      "price": 2200,
+      "purchase_price": 1750,
+      "quantity": 5
+    },
+    {
+      "name": "Indicolite Tourmaline 3.6ct",
+      "name_ru": "Индиголит турмалин 3.6 карата",
+      "description": "Beautiful 3.6 carat indicolite tourmaline with teal blue color. Oval cut from Afghanistan.",
+      "description_ru": "Прекрасный индиголит турмалин 3.6 карата сине-зелёного цвета. Овальная огранка, Афганистан.",
+      "category": "Tourmaline",
+      "brand": "Azure Dreams",
+      "partnumber": "TOU-IND-360",
+      "price": 2800,
+      "purchase_price": 2250,
+      "quantity": 4
+    }
+  ],
+  "vendor": {
+    "name": "Schon Demo",
+    "markup_percent": 5
+  },
+  "demo_users": {
+    "password": "Schon!Demo888",
+    "email_domain": "demo.schon.store",
+    "first_names": [
+      "Emma", "Liam", "Olivia", "Noah", "Ava", "Ethan", "Sophia", "Mason",
+      "Isabella", "William", "Mia", "James", "Charlotte", "Benjamin", "Amelia",
+      "Lucas", "Harper", "Henry", "Evelyn", "Alexander", "Abigail", "Michael",
+      "Emily", "Daniel", "Elizabeth", "Jacob", "Sofia", "Logan", "Avery",
+      "Jackson", "Ella", "Sebastian", "Scarlett", "Aiden", "Grace", "Matthew",
+      "Chloe", "David", "Victoria", "Joseph", "Riley", "Carter", "Aria",
+      "Owen", "Lily", "Wyatt", "Aurora", "John", "Zoey", "Luke", "Nora"
+    ],
+    "last_names": [
+      "Smith", "Johnson", "Williams", "Brown", "Jones", "Garcia", "Miller",
+      "Davis", "Rodriguez", "Martinez", "Hernandez", "Lopez", "Gonzalez",
+      "Wilson", "Anderson", "Thomas", "Taylor", "Moore", "Jackson", "Martin",
+      "Lee", "Perez", "Thompson", "White", "Harris", "Sanchez", "Clark",
+      "Ramirez", "Lewis", "Robinson", "Walker", "Young", "Allen", "King",
+      "Wright", "Scott", "Torres", "Nguyen", "Hill", "Flores", "Green",
+      "Adams", "Nelson", "Baker", "Hall", "Rivera", "Campbell", "Mitchell",
+      "Carter", "Roberts"
+    ],
+    "cities": [
+      {"city": "New York", "region": "NY", "postal_code": "10001", "country": "USA"},
+      {"city": "Los Angeles", "region": "CA", "postal_code": "90001", "country": "USA"},
+      {"city": "Chicago", "region": "IL", "postal_code": "60601", "country": "USA"},
+      {"city": "Houston", "region": "TX", "postal_code": "77001", "country": "USA"},
+      {"city": "Phoenix", "region": "AZ", "postal_code": "85001", "country": "USA"},
+      {"city": "Philadelphia", "region": "PA", "postal_code": "19101", "country": "USA"},
+      {"city": "San Antonio", "region": "TX", "postal_code": "78201", "country": "USA"},
+      {"city": "San Diego", "region": "CA", "postal_code": "92101", "country": "USA"},
+      {"city": "Dallas", "region": "TX", "postal_code": "75201", "country": "USA"},
+      {"city": "San Jose", "region": "CA", "postal_code": "95101", "country": "USA"},
+      {"city": "Austin", "region": "TX", "postal_code": "78701", "country": "USA"},
+      {"city": "Jacksonville", "region": "FL", "postal_code": "32099", "country": "USA"},
+      {"city": "Fort Worth", "region": "TX", "postal_code": "76101", "country": "USA"},
+      {"city": "Columbus", "region": "OH", "postal_code": "43085", "country": "USA"},
+      {"city": "Charlotte", "region": "NC", "postal_code": "28201", "country": "USA"},
+      {"city": "London", "region": "Greater London", "postal_code": "SW1A 1AA", "country": "UK"},
+      {"city": "Manchester", "region": "Greater Manchester", "postal_code": "M1 1AD", "country": "UK"},
+      {"city": "Birmingham", "region": "West Midlands", "postal_code": "B1 1AA", "country": "UK"},
+      {"city": "Paris", "region": "Île-de-France", "postal_code": "75001", "country": "France"},
+      {"city": "Berlin", "region": "Berlin", "postal_code": "10115", "country": "Germany"},
+      {"city": "Munich", "region": "Bavaria", "postal_code": "80331", "country": "Germany"},
+      {"city": "Toronto", "region": "Ontario", "postal_code": "M5H 2N2", "country": "Canada"},
+      {"city": "Vancouver", "region": "British Columbia", "postal_code": "V6C 1E1", "country": "Canada"},
+      {"city": "Sydney", "region": "NSW", "postal_code": "2000", "country": "Australia"},
+      {"city": "Melbourne", "region": "VIC", "postal_code": "3000", "country": "Australia"}
+    ],
+    "streets": [
+      "Main Street", "Oak Avenue", "Maple Drive", "Park Boulevard", "Cedar Lane",
+      "Elm Street", "Washington Avenue", "Lake Street", "Hill Road", "Forest Drive",
+      "River Road", "Sunset Boulevard", "Highland Avenue", "Valley View Drive",
+      "Mountain Road"
+    ]
+  }
+}
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diff --git a/engine/core/fixtures/demo_products_images/OPL-BLK-520-LR.jpg b/engine/core/fixtures/demo_products_images/OPL-BLK-520-LR.jpg
new file mode 100644
index 00000000..1d31350f
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diff --git a/engine/core/fixtures/demo_products_images/OPL-ETH-380-WL.jpg b/engine/core/fixtures/demo_products_images/OPL-ETH-380-WL.jpg
new file mode 100644
index 00000000..66812b63
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diff --git a/engine/core/fixtures/demo_products_images/OPL-FIRE-210-MX.jpg b/engine/core/fixtures/demo_products_images/OPL-FIRE-210-MX.jpg
new file mode 100644
index 00000000..586c3d40
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diff --git a/engine/core/fixtures/demo_products_images/PRL-AKO-7MM-STR.jpg b/engine/core/fixtures/demo_products_images/PRL-AKO-7MM-STR.jpg
new file mode 100644
index 00000000..5e5bf6cf
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diff --git a/engine/core/fixtures/demo_products_images/PRL-FW-SET-10.jpg b/engine/core/fixtures/demo_products_images/PRL-FW-SET-10.jpg
new file mode 100644
index 00000000..7e7ed221
Binary files /dev/null and b/engine/core/fixtures/demo_products_images/PRL-FW-SET-10.jpg differ
diff --git a/engine/core/fixtures/demo_products_images/PRL-SSG-14MM.jpg b/engine/core/fixtures/demo_products_images/PRL-SSG-14MM.jpg
new file mode 100644
index 00000000..a00d44a6
Binary files /dev/null and b/engine/core/fixtures/demo_products_images/PRL-SSG-14MM.jpg differ
diff --git a/engine/core/fixtures/demo_products_images/RUB-BUR-250-PB.jpg b/engine/core/fixtures/demo_products_images/RUB-BUR-250-PB.jpg
new file mode 100644
index 00000000..0a4df056
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diff --git a/engine/core/fixtures/demo_products_images/RUB-MOZ-180-VR.jpg b/engine/core/fixtures/demo_products_images/RUB-MOZ-180-VR.jpg
new file mode 100644
index 00000000..ada20bd0
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diff --git a/engine/core/fixtures/demo_products_images/RUB-STAR-320-SR.jpg b/engine/core/fixtures/demo_products_images/RUB-STAR-320-SR.jpg
new file mode 100644
index 00000000..77236d39
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diff --git a/engine/core/fixtures/demo_products_images/SAP-CEY-220-RB.jpg b/engine/core/fixtures/demo_products_images/SAP-CEY-220-RB.jpg
new file mode 100644
index 00000000..7c7b15cc
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diff --git a/engine/core/fixtures/demo_products_images/SAP-KAS-300-CB.jpg b/engine/core/fixtures/demo_products_images/SAP-KAS-300-CB.jpg
new file mode 100644
index 00000000..1718529f
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diff --git a/engine/core/fixtures/demo_products_images/SAP-PNK-180-HP.jpg b/engine/core/fixtures/demo_products_images/SAP-PNK-180-HP.jpg
new file mode 100644
index 00000000..49fc28d9
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diff --git a/engine/core/fixtures/demo_products_images/SAP-YEL-400-GD.jpg b/engine/core/fixtures/demo_products_images/SAP-YEL-400-GD.jpg
new file mode 100644
index 00000000..63608cdc
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diff --git a/engine/core/fixtures/demo_products_images/TAN-AAA-580-VB.jpg b/engine/core/fixtures/demo_products_images/TAN-AAA-580-VB.jpg
new file mode 100644
index 00000000..99f6541d
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diff --git a/engine/core/fixtures/demo_products_images/TAN-PAIR-200.jpg b/engine/core/fixtures/demo_products_images/TAN-PAIR-200.jpg
new file mode 100644
index 00000000..0c539b60
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diff --git a/engine/core/fixtures/demo_products_images/TOU-IND-360.jpg b/engine/core/fixtures/demo_products_images/TOU-IND-360.jpg
new file mode 100644
index 00000000..a201a5bd
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diff --git a/engine/core/fixtures/demo_products_images/TOU-PAR-120-NB.jpg b/engine/core/fixtures/demo_products_images/TOU-PAR-120-NB.jpg
new file mode 100644
index 00000000..31bf53ad
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diff --git a/engine/core/fixtures/demo_products_images/TOU-WM-850.jpg b/engine/core/fixtures/demo_products_images/TOU-WM-850.jpg
new file mode 100644
index 00000000..c38fad71
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diff --git a/engine/core/fixtures/demo_products_images/placeholder.png b/engine/core/fixtures/demo_products_images/placeholder.png
new file mode 100644
index 00000000..448cd452
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diff --git a/engine/core/models.py b/engine/core/models.py
index 20f905b0..0ad745aa 100644
--- a/engine/core/models.py
+++ b/engine/core/models.py
@@ -39,6 +39,7 @@ from django.db.models import (
 from django.db.models.functions import Length
 from django.db.models.indexes import Index
 from django.http import Http404
+from django.templatetags.static import static
 from django.utils import timezone
 from django.utils.encoding import force_bytes
 from django.utils.functional import cached_property
@@ -436,9 +437,10 @@ class Category(ExportModelOperationsMixin("category"), NiceModel, MPTTModel):
     @cached_property
     def image_url(self) -> str:
         with suppress(ValueError):
-            url = str(self.image.url)
-            return url if "http" in url else f"https://api.{settings.BASE_DOMAIN}{url}"
-        return ""
+            if self.image:
+                return self.image.url
+        # Fallback to favicon.png from static files
+        return static("favicon.png")
 
     class Meta:
         verbose_name = _("category")
@@ -893,9 +895,10 @@ class ProductImage(ExportModelOperationsMixin("product_image"), NiceModel):
     @cached_property
     def image_url(self) -> str:
         with suppress(ValueError):
-            url = str(self.image.url)
-            return url if "http" in url else f"https://api.{settings.BASE_DOMAIN}{url}"
-        return ""
+            if self.image:
+                return self.image.url
+        # Fallback to favicon.png from static files
+        return static("favicon.png")
 
     class Meta:
         ordering = ("priority",)
diff --git a/engine/core/static/robots_frontend.txt b/engine/core/static/robots_frontend.txt
index ff35bfa3..b823f243 100644
--- a/engine/core/static/robots_frontend.txt
+++ b/engine/core/static/robots_frontend.txt
@@ -7,5 +7,5 @@ Disallow: /*/auth/sign-up/
 
 Allow: /
 
-Sitemap: https://schon.com/sitemap.xml
-Host: schon.com
\ No newline at end of file
+Sitemap: https://schon.fureunoir.com/sitemap.xml
+Host: schon.fureunoir.com
\ No newline at end of file
diff --git a/engine/core/utils/commerce.py b/engine/core/utils/commerce.py
index 4a9e2c91..c52254e1 100644
--- a/engine/core/utils/commerce.py
+++ b/engine/core/utils/commerce.py
@@ -65,11 +65,21 @@ def get_revenue(clear: bool = True, period: timedelta = timedelta(days=30)) -> f
 
 
 def get_returns(period: timedelta = timedelta(days=30)) -> float:
-    order_products = get_period_order_products(period, ["RETURNED"])
+    """Get total value of returned order products within the period.
+
+    Returns are counted regardless of order status - a RETURNED OrderProduct
+    counts as a return whether the order is FINISHED or FAILED.
+    """
+    current = now()
+    period_start = current - period
     total_returns: float = (
-        order_products.aggregate(
-            total=Coalesce(Sum(F("buy_price") * F("quantity")), 0.0)
-        ).get("total")
+        OrderProduct.objects.filter(
+            status="RETURNED",
+            order__buy_time__lte=current,
+            order__buy_time__gte=period_start,
+        )
+        .aggregate(total=Coalesce(Sum(F("buy_price") * F("quantity")), 0.0))
+        .get("total")
         or 0.0
     )
     try:
@@ -131,12 +141,16 @@ def get_daily_gross_revenue(
 def get_top_returned_products(
     period: timedelta = timedelta(days=30), limit: int = 10
 ) -> list[dict[str, Any]]:
+    """Get top returned products within the period.
+
+    Returns are counted regardless of order status - a RETURNED OrderProduct
+    counts as a return whether the order is FINISHED or FAILED.
+    """
     current = now()
     period_start = current - period
     qs = (
         OrderProduct.objects.filter(
             status="RETURNED",
-            order__status="FINISHED",
             order__buy_time__lte=current,
             order__buy_time__gte=period_start,
             product__isnull=False,
diff --git a/engine/core/views.py b/engine/core/views.py
index 9f32807a..d7e1a808 100644
--- a/engine/core/views.py
+++ b/engine/core/views.py
@@ -2,7 +2,6 @@ import logging
 import mimetypes
 import os
 import traceback
-from contextlib import suppress
 from datetime import date, timedelta
 
 import requests
@@ -461,56 +460,44 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
     returns_cur: float = get_returns(period=period)
     processed_orders_cur: int = get_total_processed_orders(period=period)
 
-    orders_finished_cur = 0
-
-    with suppress(Exception):
-        orders_finished_cur: int = Order.objects.filter(
-            status="FINISHED", buy_time__lte=now_dt, buy_time__gte=cur_start
-        ).count()
+    orders_finished_cur: int = Order.objects.filter(
+        status="FINISHED", buy_time__lte=now_dt, buy_time__gte=cur_start
+    ).count()
 
     def sum_gross_between(start: date | None, end: date | None) -> float:
-        result = 0.0
-        with suppress(Exception):
-            qs = (
-                OrderProduct.objects.filter(
-                    status__in=["FINISHED"], order__status="FINISHED"
-                )
-                .filter(order__buy_time__lt=end, order__buy_time__gte=start)
-                .aggregate(total=Sum(F("buy_price") * F("quantity")))
+        qs = (
+            OrderProduct.objects.filter(
+                status__in=["FINISHED"], order__status="FINISHED"
             )
-            total = qs.get("total") or 0.0
-            result = round(float(total), 2)
+            .filter(order__buy_time__lt=end, order__buy_time__gte=start)
+            .aggregate(total=Sum(F("buy_price") * F("quantity")))
+        )
+        total = qs.get("total") or 0.0
+        result = round(float(total), 2)
         return result
 
     def sum_returns_between(start: date | None, end: date | None) -> float:
-        result = 0.0
-        with suppress(Exception):
-            qs = (
-                OrderProduct.objects.filter(status__in=["RETURNED"])  # returned items
-                .filter(order__buy_time__lt=end, order__buy_time__gte=start)
-                .aggregate(total=Sum(F("buy_price") * F("quantity")))
-            )
-            total = qs.get("total") or 0.0
-            result = round(float(total), 2)
+        qs = (
+            OrderProduct.objects.filter(status__in=["RETURNED"])  # returned items
+            .filter(order__buy_time__lt=end, order__buy_time__gte=start)
+            .aggregate(total=Sum(F("buy_price") * F("quantity")))
+        )
+        total = qs.get("total") or 0.0
+        result = round(float(total), 2)
         return result
 
     def count_finished_orders_between(start: date | None, end: date | None) -> int:
-        result = 0
-        with suppress(Exception):
-            result = Order.objects.filter(
-                status="FINISHED", buy_time__lt=end, buy_time__gte=start
-            ).count()
+        result = Order.objects.filter(
+            status="FINISHED", buy_time__lt=end, buy_time__gte=start
+        ).count()
         return result
 
     revenue_gross_prev = sum_gross_between(prev_start, prev_end)
     returns_prev = sum_returns_between(prev_start, prev_end)
     orders_finished_prev = count_finished_orders_between(prev_start, prev_end)
 
-    tax_rate = 0.0
-    tax_included = False
-    with suppress(Exception):
-        tax_rate = float(getattr(config, "TAX_RATE", 0.0) or 0.0)
-        tax_included = bool(getattr(config, "TAX_INCLUDED", False))
+    tax_rate = float(getattr(config, "TAX_RATE", 0.0) or 0.0)
+    tax_included = bool(getattr(config, "TAX_INCLUDED", False))
 
     if tax_rate <= 0:
         revenue_net_prev = revenue_gross_prev
@@ -525,12 +512,11 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
     revenue_net_prev = round(float(revenue_net_prev or 0.0), 2)
 
     def pct_delta(cur: float | int, prev: float | int) -> float:
-        result = 0.0
-        with suppress(Exception):
-            cur_f = float(cur or 0)
-            prev_f = float(prev or 0)
-            if prev_f == 0:
-                result = 0.0 if cur_f == 0 else 100.0
+        cur_f = float(cur or 0)
+        prev_f = float(prev or 0)
+        if prev_f == 0:
+            result = 0.0 if cur_f == 0 else 100.0
+        else:
             result = round(((cur_f - prev_f) / prev_f) * 100.0, 1)
         return result
 
@@ -584,13 +570,15 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
         },
     }
     currency_symbol: str = ""
-    with suppress(Exception):
+    try:
         currency_symbol = dict(getattr(settings, "CURRENCIES_WITH_SYMBOLS", ())).get(
             getattr(settings, "CURRENCY_CODE", ""), ""
         )
+    except Exception as exc:
+        logger.error("Failed to get currency symbol: %s", exc)
 
     quick_links: list[dict[str, str]] = []
-    with suppress(Exception):
+    try:
         quick_links_section = settings.UNFOLD.get("SIDEBAR", {}).get("navigation", [])[
             1
         ]
@@ -606,10 +594,12 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
                     **({"icon": item.get("icon")} if item.get("icon") else {}),
                 }
             )
+    except Exception as exc:
+        logger.error("Failed to build quick links: %s", exc)
 
     most_wished: dict[str, str | int | float | None] | None = None
     most_wished_list: list[dict[str, str | int | float | None]] = []
-    with suppress(Exception):
+    try:
         wished_qs = (
             Wishlist.objects.filter(user__is_active=True, user__is_staff=False)
             .values("products")
@@ -655,6 +645,8 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
                         "count": int(row.get("cnt", 0)),
                     }
                 )
+    except Exception as exc:
+        logger.error("Failed to build most wished list: %s", exc)
 
     try:
         today = tz_now().date()
@@ -679,7 +671,7 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
         context["daily_labels"] = []
         context["daily_orders"] = []
         context["daily_gross"] = []
-        with suppress(Exception):
+        try:
             today = tz_now().date()
             days = period_days
             date_axis = [today - timedelta(days=i) for i in range(days - 1, -1, -1)]
@@ -689,12 +681,14 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
             context["daily_title"] = _("Revenue & Orders (last %(days)d)") % {
                 "days": period_days
             }
+        except Exception as exc:
+            logger.error("Failed to build daily stats: %s", exc)
 
     low_stock_list: list[dict[str, str | int]] = []
-    with suppress(Exception):
+    try:
         products = (
             Product.objects.annotate(total_qty=Sum("stocks__quantity"))
-            .values("id", "name", "sku", "total_qty")
+            .values("uuid", "name", "sku", "total_qty")
             .order_by("total_qty")[:5]
         )
         for p in products:
@@ -709,11 +703,11 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
                     ),
                 }
             )
+    except Exception as exc:
+        logger.error(f"Error fetching low stock products: {exc}")
 
     cache_key = f"dashboard_cb:{period_days}"
-    cached_pack = None
-    with suppress(Exception):
-        cached_pack = cache.get(cache_key)
+    cached_pack = cache.get(cache_key, None)
     if cached_pack is None:
         cached_pack = {
             "kpi": kpi,
@@ -725,12 +719,11 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
             "refund_rate": refund_rate_cur,
             "low_stock_products": low_stock_list,
         }
-        with suppress(Exception):
-            cache.set(cache_key, cached_pack, 600)
+        cache.set(cache_key, cached_pack, 600)
 
     most_popular: dict[str, str | int | float | None] | None = None
     most_popular_list: list[dict[str, str | int | float | None]] = []
-    with suppress(Exception):
+    try:
         popular_qs = (
             OrderProduct.objects.filter(
                 status="FINISHED", order__status="FINISHED", product__isnull=False
@@ -777,6 +770,8 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
                         "count": int(row.get("total_qty", 0) or 0),
                     }
                 )
+    except Exception as exc:
+        logger.error("Failed to build most popular list: %s", exc)
 
     customers_mix: dict[str, int | float] = {
         "new": 0,
@@ -784,7 +779,7 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
         "new_pct": 0.0,
         "returning_pct": 0.0,
     }
-    with suppress(Exception):
+    try:
         mix = get_customer_mix()
         n = int(mix.get("new", 0))
         r = int(mix.get("returning", 0))
@@ -798,6 +793,8 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
             "returning_pct": ret_pct,
             "total": t,
         }
+    except Exception as exc:
+        logger.error("Failed to build customer mix: %s", exc)
 
     shipped_vs_digital: dict[str, int | float] = {
         "digital_qty": 0,
@@ -807,7 +804,7 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
         "digital_pct": 0.0,
         "shipped_pct": 0.0,
     }
-    with suppress(Exception):
+    try:
         svd = get_shipped_vs_digital_mix()
         dq = int(svd.get("digital_qty", 0))
         sq = int(svd.get("shipped_qty", 0))
@@ -824,14 +821,12 @@ def dashboard_callback(request: HttpRequest, context: Context) -> Context:
                 "shipped_pct": shipped_pct,
             }
         )
+    except Exception as exc:
+        logger.error("Failed to build shipped vs digital mix: %s", exc)
 
-    most_returned_products: list[dict[str, str | int | float]] = []
-    with suppress(Exception):
-        most_returned_products = get_top_returned_products()
+    most_returned_products = get_top_returned_products()
 
-    top_categories: list[dict[str, str | int | float]] = []
-    with suppress(Exception):
-        top_categories = get_top_categories_by_qty()
+    top_categories = get_top_categories_by_qty()
 
     context.update(
         {
diff --git a/nginx.example.conf b/nginx.example.conf
index b6bd9d11..68b9b04e 100644
--- a/nginx.example.conf
+++ b/nginx.example.conf
@@ -12,10 +12,10 @@ upstream storefront_frontend {
 
 server {
     listen                          443 ssl http2;
-    server_name                     api.schon.com;
+    server_name                     api.schon.fureunoir.com;
 
-    ssl_certificate                 /etc/letsencrypt/live/schon.com/fullchain.pem;
-    ssl_certificate_key             /etc/letsencrypt/live/schon.com/privkey.pem;
+    ssl_certificate                 /etc/letsencrypt/live/schon.fureunoir.com/fullchain.pem;
+    ssl_certificate_key             /etc/letsencrypt/live/schon.fureunoir.com/privkey.pem;
     include                         /etc/letsencrypt/options-ssl-nginx.conf;
     ssl_dhparam                     /etc/letsencrypt/ssl-dhparams.pem;
     ssl_session_cache               shared:SSL:10m;
@@ -72,10 +72,10 @@ server {
 
 server {
     listen                          443 ssl http2;
-    server_name                     schon.com www.schon.com;
+    server_name                     schon.fureunoir.com www.schon.fureunoir.com;
 
-    ssl_certificate                 /etc/letsencrypt/live/schon.com/fullchain.pem;
-    ssl_certificate_key             /etc/letsencrypt/live/schon.com/privkey.pem;
+    ssl_certificate                 /etc/letsencrypt/live/schon.fureunoir.com/fullchain.pem;
+    ssl_certificate_key             /etc/letsencrypt/live/schon.fureunoir.com/privkey.pem;
     include                         /etc/letsencrypt/options-ssl-nginx.conf;
     ssl_dhparam                     /etc/letsencrypt/ssl-dhparams.pem;
     ssl_session_cache               shared:SSL:10m;
@@ -128,10 +128,10 @@ server {
 
 server {
     listen                          443 ssl http2;
-    server_name                     prometheus.schon.com;
+    server_name                     prometheus.schon.fureunoir.com;
 
-    ssl_certificate                 /etc/letsencrypt/live/schon.com/fullchain.pem;
-    ssl_certificate_key             /etc/letsencrypt/live/schon.com/privkey.pem;
+    ssl_certificate                 /etc/letsencrypt/live/schon.fureunoir.com/fullchain.pem;
+    ssl_certificate_key             /etc/letsencrypt/live/schon.fureunoir.com/privkey.pem;
     include                         /etc/letsencrypt/options-ssl-nginx.conf;
     ssl_dhparam                     /etc/letsencrypt/ssl-dhparams.pem;
     ssl_session_cache               shared:SSL:10m;
@@ -173,6 +173,6 @@ server {
 
 server {
     listen                          80;
-    server_name                     api.schon.com www.schon.com schon.com prometheus.schon.com;
+    server_name                     api.schon.fureunoir.com www.schon.fureunoir.com schon.fureunoir.com prometheus.schon.fureunoir.com;
     return                          301 https://$host$request_uri;
 }
diff --git a/schon/settings/base.py b/schon/settings/base.py
index b5cddf45..9bd561bf 100644
--- a/schon/settings/base.py
+++ b/schon/settings/base.py
@@ -361,10 +361,10 @@ TIME_ZONE: str = getenv("TIME_ZONE", "Europe/London")
 
 WHITENOISE_MANIFEST_STRICT: bool = False
 
-STATIC_URL: str = f"https://api.{BASE_DOMAIN}/static/" if INITIALIZED else "static/"
+STATIC_URL: str = f"https://api.{BASE_DOMAIN}/static/" if INITIALIZED else "/static/"
 STATIC_ROOT: Path = BASE_DIR / "static"
 
-MEDIA_URL: str = f"https://api.{BASE_DOMAIN}/media/" if INITIALIZED else "media/"
+MEDIA_URL: str = f"https://api.{BASE_DOMAIN}/media/" if INITIALIZED else "/media/"
 MEDIA_ROOT: Path = BASE_DIR / "media"
 
 AUTH_USER_MODEL: str = "vibes_auth.User"
diff --git a/schon/urls.py b/schon/urls.py
index 47f2e94a..c6ef2a26 100644
--- a/schon/urls.py
+++ b/schon/urls.py
@@ -1,3 +1,5 @@
+from django.conf import settings
+from django.conf.urls.static import static
 from django.contrib import admin
 from django.urls import include, path
 from django.views.decorators.csrf import csrf_exempt
@@ -97,3 +99,6 @@ urlpatterns = [
         admin.site.urls,
     ),
 ]
+
+if settings.DEBUG:
+    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
diff --git a/scripts/Unix/generate-environment-file.sh b/scripts/Unix/generate-environment-file.sh
index 2ad4c04a..f907e9d7 100755
--- a/scripts/Unix/generate-environment-file.sh
+++ b/scripts/Unix/generate-environment-file.sh
@@ -44,8 +44,8 @@ if [ -f .env ]; then
 fi
 
 SCHON_PROJECT_NAME=$(prompt_default SCHON_PROJECT_NAME Schon)
-SCHON_STOREFRONT_DOMAIN=$(prompt_default SCHON_STOREFRONT_DOMAIN schon.com)
-SCHON_BASE_DOMAIN=$(prompt_default SCHON_BASE_DOMAIN schon.com)
+SCHON_STOREFRONT_DOMAIN=$(prompt_default SCHON_STOREFRONT_DOMAIN schon.fureunoir.com)
+SCHON_BASE_DOMAIN=$(prompt_default SCHON_BASE_DOMAIN schon.fureunoir.com)
 SENTRY_DSN=$(prompt_default SENTRY_DSN "")
 DEBUG=$(prompt_default DEBUG 1)
 TIME_ZONE=$(prompt_default TIME_ZONE "Europe/London")
@@ -53,8 +53,8 @@ TIME_ZONE=$(prompt_default TIME_ZONE "Europe/London")
 SECRET_KEY=$(prompt_autogen SECRET_KEY 32)
 JWT_SIGNING_KEY=$(prompt_autogen JWT_SIGNING_KEY 64)
 
-ALLOWED_HOSTS=$(prompt_default ALLOWED_HOSTS "schon.com api.schon.com")
-CSRF_TRUSTED_ORIGINS=$(prompt_default CSRF_TRUSTED_ORIGINS "https://schon.com https://api.schon.com https://www.schon.com")
+ALLOWED_HOSTS=$(prompt_default ALLOWED_HOSTS "schon.fureunoir.com api.schon.fureunoir.com")
+CSRF_TRUSTED_ORIGINS=$(prompt_default CSRF_TRUSTED_ORIGINS "https://schon.fureunoir.com https://api.schon.fureunoir.com https://www.schon.fureunoir.com")
 CORS_ALLOWED_ORIGINS=$(prompt_default CORS_ALLOWED_ORIGINS "$CSRF_TRUSTED_ORIGINS")
 
 POSTGRES_DB=$(prompt_default POSTGRES_DB schon)
@@ -73,11 +73,11 @@ PROMETHEUS_USER=$(prompt_default PROMETHEUS_USER schon)
 PROMETHEUS_PASSWORD=$(prompt_autogen PROMETHEUS_PASSWORD 16)
 
 EMAIL_BACKEND=$(prompt_default EMAIL_BACKEND django.core.mail.backends.smtp.EmailBackend)
-EMAIL_HOST=$(prompt_default EMAIL_HOST smtp.whatever.schon.com)
+EMAIL_HOST=$(prompt_default EMAIL_HOST smtp.whatever.schon.fureunoir.com)
 EMAIL_PORT=$(prompt_default EMAIL_PORT 465)
 EMAIL_USE_TLS=$(prompt_default EMAIL_USE_TLS 0)
 EMAIL_USE_SSL=$(prompt_default EMAIL_USE_SSL 1)
-EMAIL_HOST_USER=$(prompt_default EMAIL_HOST_USER your-email-user@whatever.schon.com)
+EMAIL_HOST_USER=$(prompt_default EMAIL_HOST_USER your-email-user@whatever.schon.fureunoir.com)
 EMAIL_FROM=$EMAIL_HOST_USER
 EMAIL_HOST_PASSWORD=$(prompt_default EMAIL_HOST_PASSWORD SUPERSECRETEMAILHOSTPASSWORD)
 
diff --git a/scripts/Windows/generate-environment-file.ps1 b/scripts/Windows/generate-environment-file.ps1
index bc26ea73..ed128720 100644
--- a/scripts/Windows/generate-environment-file.ps1
+++ b/scripts/Windows/generate-environment-file.ps1
@@ -50,8 +50,8 @@ if (Test-Path '.env')
 }
 
 $SCHON_PROJECT_NAME = Prompt-Default 'SCHON_PROJECT_NAME'           'Schon'
-$SCHON_STOREFRONT_DOMAIN = Prompt-Default 'SCHON_STOREFRONT_DOMAIN'     'schon.com'
-$SCHON_BASE_DOMAIN = Prompt-Default 'SCHON_BASE_DOMAIN'             'schon.com'
+$SCHON_STOREFRONT_DOMAIN = Prompt-Default 'SCHON_STOREFRONT_DOMAIN'     'schon.fureunoir.com'
+$SCHON_BASE_DOMAIN = Prompt-Default 'SCHON_BASE_DOMAIN'             'schon.fureunoir.com'
 $SENTRY_DSN = Prompt-Default 'SENTRY_DSN'                      ''
 $DEBUG = Prompt-Default 'DEBUG'                                '1'
 $TIME_ZONE = Prompt-Default 'TIME_ZONE'                        'Europe/London'
@@ -59,8 +59,8 @@ $TIME_ZONE = Prompt-Default 'TIME_ZONE'                        'Europe/London'
 $SECRET_KEY = Prompt-AutoGen  'SECRET_KEY'                     32
 $JWT_SIGNING_KEY = Prompt-AutoGen  'JWT_SIGNING_KEY'           64
 
-$ALLOWED_HOSTS = Prompt-Default 'ALLOWED_HOSTS'                'schon.com api.schon.com'
-$CSRF_TRUSTED_ORIGINS = Prompt-Default 'CSRF_TRUSTED_ORIGINS'  'https://schon.com https://api.schon.com https://www.schon.com'
+$ALLOWED_HOSTS = Prompt-Default 'ALLOWED_HOSTS'                'schon.fureunoir.com api.schon.fureunoir.com'
+$CSRF_TRUSTED_ORIGINS = Prompt-Default 'CSRF_TRUSTED_ORIGINS'  'https://schon.fureunoir.com https://api.schon.fureunoir.com https://www.schon.fureunoir.com'
 $CORS_ALLOWED_ORIGINS = Prompt-Default 'CORS_ALLOWED_ORIGINS'  $CSRF_TRUSTED_ORIGINS
 
 $POSTGRES_DB = Prompt-Default 'POSTGRES_DB'                    'schon'
@@ -80,11 +80,11 @@ $PROMETHEUS_USER = Prompt-Default 'PROMETHEUS_USER'            'schon'
 $PROMETHEUS_PASSWORD = Prompt-AutoGen  'PROMETHEUS_PASSWORD'   16
 
 $EMAIL_BACKEND = Prompt-Default 'EMAIL_BACKEND'                'django.core.mail.backends.smtp.EmailBackend'
-$EMAIL_HOST = Prompt-Default 'EMAIL_HOST'                      'smtp.whatever.schon.com'
+$EMAIL_HOST = Prompt-Default 'EMAIL_HOST'                      'smtp.whatever.schon.fureunoir.com'
 $EMAIL_PORT = Prompt-Default 'EMAIL_PORT'                      '465'
 $EMAIL_USE_TLS = Prompt-Default 'EMAIL_USE_TLS'                '0'
 $EMAIL_USE_SSL = Prompt-Default 'EMAIL_USE_SSL'                '1'
-$EMAIL_HOST_USER = Prompt-Default 'EMAIL_HOST_USER'            'your-email-user@whatever.schon.com'
+$EMAIL_HOST_USER = Prompt-Default 'EMAIL_HOST_USER'            'your-email-user@whatever.schon.fureunoir.com'
 $EMAIL_FROM = Prompt-Default 'EMAIL_FROM'                      $EMAIL_HOST_USER
 $EMAIL_HOST_PASSWORD = Prompt-Default 'EMAIL_HOST_PASSWORD'    'SUPERSECRETEMAILHOSTPASSWORD'