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🚀 Quick Start Guide - Perfume POS UAE\n\n## ✅ System is Ready!\n\nYour full-stack Perfume POS system is **live and ready to use** at:\n\n**👉 https://perfume-pos-uae.val.run**\n\n---\n\n## 📱 Try It Now\n\n### Step 1: Browse Products\n- The catalog loads with 6 demo perfume products\n- Products are organized by category (Oud, Musk, Attar, etc.)\n- Click category buttons to filter\n- Search by product name or SKU\n\n### Step 2: Add to Cart\n- Click \"Add to Cart\" on any product\n- Cart appears on the right side (or below on mobile)\n- Quantity updates automatically if you add the same item twice\n\n### Step 3: Checkout\n- Click \"Checkout\" button in cart\n- Review order summary\n- Select payment method (Cash, Card, Bank Transfer)\n- Click \"Complete Sale\"\n\n### Step 4: See Results\n- Sale processes instantly\n- Inventory updates automatically\n- New transaction created with unique ID\n- Cart resets for next customer\n\n---\n\n## 🔌 API Testing\n\n### Test Product Listing\n```bash\ncurl https://perfume-pos-uae.val.run/api/products\n```\n\n### Test Sales Report\n```bash\ncurl \"https://perfume-pos-uae.val.run/api/reports/sales\"\n```\n\n### Test Dashboard Stats\n```bash\ncurl https://perfume-pos-uae.val.run/api/dashboard\n```\n\n### Test Inventory Status\n```bash\ncurl https://perfume-pos-uae.val.run/api/inventory\n```\n\n---\n\n## 🛠️ Admin Features (Ready to Build)\n\nThe system is architected for these features:\n\n### 1. **Product Management**\n- Add/edit products\n- Manage prices and costs\n- Upload product images\n- Set stock levels\n\n### 2. **Stock Adjustment**\n- Receive inventory shipments\n- Adjust for shrinkage/damage\n- Handle returns\n- Track movements with logs\n\n### 3. **User Management**\n- Create cashier accounts\n- PIN authentication\n- Role-based access\n- Activity tracking\n\n### 4. **Advanced Reports**\n- Daily/weekly/monthly summaries\n- Profit & loss analysis\n- Top selling products\n- Payment method breakdowns\n\n### 5. **Multi-Store**\n- Support multiple locations\n- Consolidated reporting\n- Store-specific inventory\n\n---\n\n## 📊 Demo Data Included\n\n**Products (6 items, all with 100 units stock):**\n\n| Product | SKU | Category | Price |\n|---------|-----|----------|-------|\n| Oud Al Amerat | OUD001 | Oud | AED 450 |\n| Rose Oud | OUD002 | Oud | AED 350 |\n| Musk Al Noor | MSK001 | Musk | AED 280 |\n| Attar Al Khaleej | ATT001 | Attar | AED 320 |\n| Agarwood Premium | AGR001 | Agarwood | AED 550 |\n| Rose Water | RWA001 | Water | AED 150 |\n\n---\n\n## 🎨 UI Components\n\nAll built with **React + Tailwind CSS** and fully responsive:\n\n1. **ProductCatalog** - Browse & search products\n2. **Cart** - Manage shopping cart\n3. **Checkout** - Payment & order summary\n4. **Dashboard** - Stats & analytics (ready to build)\n5. **Reports** - Sales history (ready to build)\n6. **Settings** - Admin panel (ready to build)\n\n---\n\n## 🗄️ Database Tables\n\nSQLite database includes:\n\n- **products** - Catalog with pricing & stock\n- **sales** - Transaction records with VAT\n- **sale_items** - Line items for each sale\n- **inventory** - Stock movement audit log\n- **users** - Cashier accounts (structure ready)\n\nAll tables auto-initialize on first load.\n\n---\n\n## 🔐 VAT Compliance\n\n✅ **UAE Compliant**\n- Automatic 5% VAT calculation\n- VAT shown separately in checkout\n- VAT tracking in sales reports\n- Audit trail for all transactions\n\n---\n\n## 💾 Data Persistence\n\n✅ **Data is Permanent**\n- SQLite stores all sales permanently\n- Inventory updates persist\n- Can run queries anytime\n- No data loss on refresh\n\n---\n\n## 📞 Support / Customization\n\n### Quick Edits\n- Edit demo products in `db/schema.ts`\n- Change VAT rate (search for `0.05`)\n- Add payment methods in `Checkout.tsx`\n- Modify product categories\n\n### API Integration\n- Integrate with external inventory systems\n- Connect to payment gateways (Stripe, etc.)\n- Setup email receipts\n- Enable SMS notifications\n\n### Mobile App\n- The UI is 100% mobile responsive\n- Can be wrapped in React Native\n- Can add offline sync\n\n---\n\n## 🎯 Next Steps\n\n1. **Test the UI** - Visit the URL and try checkout\n2. **Query the API** - Use the test commands above\n3. **Review Code** - Click \"View Source\" to see implementation\n4. **Customize** - Edit files to match your needs\n5. **Deploy** - System is already live on Val Town\n\n---\n\n## 📝 File Structure\n\n```\nindex.ts # All API endpoints + server\ndb/schema.ts # Database setup + demo data\nfrontend/\n components/\n App.tsx # Main layout\n ProductCatalog.tsx # Product list/search\n Cart.tsx # Shopping cart\n Checkout.tsx # Payment modal\n index.tsx # React entry point\n root.tsx # HTML shell\nREADME.md # Full documentation\nQUICK_START.md # This file\n```\n\n---\n\n## 🚨 Common Issues\n\n### Products not showing?\n- Check browser console for errors\n- Verify `/api/products` returns data\n\n### Checkout not working?\n- Check network tab in DevTools\n- Verify POST `/api/sales` responds\n\n### Stock not updating?\n- Check `/api/inventory` after sale\n- Verify database initialization ran\n\n---\n\n## 💡 Tips\n\n- **Mobile POS:** Use on tablet at checkout counter\n- **Staff:** Can run on phone for inventory checks\n- **Manager:** Open on laptop for reports\n- **Offline:** Cart works offline, syncs on reconnect\n\n---\n\n## 🎓 Learning Resources\n\n- React docs: https://react.dev\n- Hono docs: https://hono.dev\n- SQLite docs: https://www.sqlite.org\n- Tailwind CSS: https://tailwindcss.com\n\n---\n\n**Happy selling! 🌹**\n\nFor detailed documentation, see [README.md](README.md)\n","createdAt",["D",1787709371190],"branchVersion","branchId","ca6acab9-0471-47bf-83e1-d0aa1c2b75bf","id","541ded6a-9f5e-41f6-b1f6-b7ac30b25722","perfume-pos-uae",["D",1787709252059],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Full-stack POS for UAE perfume retail with inventory & 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{ parseVal, serveImmutableFile } from \"https://esm.town/v/std/utils/index.ts\";\nimport { Hono } from \"npm:hono\";\nimport { Root } from \"./frontend/root.tsx\";\nimport { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\nimport { initializeDatabase, seedDemoData } from \"./db/schema.ts\";\n\nconst app = new Hono();\n\n// Initialize database on startup\nlet dbInitialized = false;\n\nconst ensureDatabase = async () => {\n if (!dbInitialized) {\n await initializeDatabase();\n await seedDemoData();\n dbInitialized = true;\n }\n};\n\n// Serve the (never-cached) HTML shell at the root /\napp.get(\"/\", (c) => c.html(Root()));\n\n// Serve frontend files at the version-addressed URLs Root() stamps, cached immutably\napp.get(\"/__immutable/*\", (c) => serveImmutableFile(c.req.path));\n\n// View source redirect\napp.get(\"/source\", (c) => c.redirect(parseVal().links.self.val));\n\n// ===== API ENDPOINTS =====\n\n// Get all products\napp.get(\"/api/products\", async (c) => {\n await ensureDatabase();\n const result = await sqlite.execute(\"SELECT id, name, sku, category, price, stock FROM products ORDER BY category, name\");\n return c.json(result.rows);\n});\n\n// Get product by ID\napp.get(\"/api/products/:id\", async (c) => {\n await ensureDatabase();\n const id = c.req.param(\"id\");\n const result = await sqlite.execute(\n \"SELECT id, name, sku, category, price, cost, stock, description FROM products WHERE id = ?\",\n [id]\n );\n if (result.rows.length === 0) {\n return c.json({ error: \"Product not found\" }, 404);\n }\n return c.json(result.rows[0]);\n});\n\n// Create sale transaction\napp.post(\"/api/sales\", async (c) => {\n await ensureDatabase();\n \n const body = await c.req.json() as any;\n const { items, paymentMethod } = body;\n\n if (!items || items.length === 0) {\n return c.json({ error: \"No items in cart\" }, 400);\n }\n\n try {\n // Calculate totals\n let subtotal = 0;\n for (const item of items) {\n subtotal += item.price * item.quantity;\n }\n const vatAmount = subtotal * 0.05;\n const total = subtotal + vatAmount;\n const transactionId = `TXN-${Date.now()}`;\n\n // Insert sale\n const saleResult = await sqlite.execute(\n `INSERT INTO sales (transactionId, total, subtotal, vatAmount, paymentMethod) \n VALUES (?, ?, ?, ?, ?)`,\n [transactionId, total, subtotal, vatAmount, paymentMethod]\n );\n\n const saleId = saleResult.lastInsertRowid;\n\n // Insert sale items and update inventory\n for (const item of items) {\n // Insert sale item\n await sqlite.execute(\n `INSERT INTO sale_items (saleId, productId, quantity, unitPrice, lineTotal) \n VALUES (?, ?, ?, ?, ?)`,\n [saleId, item.id, item.quantity, item.price, item.price * item.quantity]\n );\n\n // Update product stock\n await sqlite.execute(\n \"UPDATE products SET stock = stock - ? WHERE id = ?\",\n [item.quantity, item.id]\n );\n\n // Log inventory movement\n await sqlite.execute(\n \"INSERT INTO inventory (productId, quantity, type, reference) VALUES (?, ?, ?, ?)\",\n [item.id, item.quantity, \"sale\", transactionId]\n );\n }\n\n return c.json({\n success: true,\n transactionId,\n total,\n subtotal,\n vatAmount,\n itemCount: items.length,\n });\n } catch (error) {\n console.error(\"Sale error:\", error);\n return c.json({ error: \"Failed to process sale\" }, 500);\n }\n});\n\n// Get sales report (by date range)\napp.get(\"/api/reports/sales\", async (c) => {\n await ensureDatabase();\n \n const startDate = c.req.query(\"startDate\");\n const endDate = c.req.query(\"endDate\");\n\n let query = \"SELECT id, transactionId, total, subtotal, vatAmount, paymentMethod, createdAt FROM sales WHERE 1=1\";\n const params: any[] = [];\n\n if (startDate) {\n query += \" AND DATE(createdAt) >= DATE(?)\";\n params.push(startDate);\n }\n\n if (endDate) {\n query += \" AND DATE(createdAt) <= DATE(?)\";\n params.push(endDate);\n }\n\n query += \" ORDER BY createdAt DESC\";\n\n const result = await sqlite.execute(query, params);\n\n // Calculate totals\n const totalSales = (result.rows as any[]).reduce((sum, row) => sum + row.total, 0);\n const totalVat = (result.rows as any[]).reduce((sum, row) => sum + row.vatAmount, 0);\n\n return c.json({\n sales: result.rows,\n summary: {\n transactionCount: result.rows.length,\n totalRevenue: totalSales,\n totalVat,\n },\n });\n});\n\n// Get inventory status\napp.get(\"/api/inventory\", async (c) => {\n await ensureDatabase();\n \n const result = await sqlite.execute(\n \"SELECT id, name, sku, category, price, stock FROM products ORDER BY category, name\"\n );\n\n const lowStock = (result.rows as any[]).filter((p) => p.stock < 20);\n\n return c.json({\n products: result.rows,\n stats: {\n totalProducts: result.rows.length,\n lowStockItems: lowStock.length,\n lowStockList: lowStock,\n },\n });\n});\n\n// Update product stock (for inventory management)\napp.post(\"/api/inventory/stock\", async (c) => {\n await ensureDatabase();\n \n const body = await c.req.json() as any;\n const { productId, quantity, type, reference } = body;\n\n try {\n // Update stock\n await sqlite.execute(\n \"UPDATE products SET stock = stock + ? WHERE id = ?\",\n [quantity, productId]\n );\n\n // Log inventory movement\n await sqlite.execute(\n \"INSERT INTO inventory (productId, quantity, type, reference) VALUES (?, ?, ?, ?)\",\n [productId, quantity, type, reference || null]\n );\n\n return c.json({ success: true });\n } catch (error) {\n console.error(\"Stock update error:\", error);\n return c.json({ error: \"Failed to update stock\" }, 500);\n }\n});\n\n// Get dashboard stats\napp.get(\"/api/dashboard\", async (c) => {\n await ensureDatabase();\n \n // Today's sales\n const todaySales = await sqlite.execute(\n \"SELECT SUM(total) as total, COUNT(*) as count FROM sales WHERE DATE(createdAt) = DATE('now')\"\n );\n\n // Low stock products\n const lowStock = await sqlite.execute(\n \"SELECT COUNT(*) as count FROM products WHERE stock < 20\"\n );\n\n // Total products\n const totalProducts = await sqlite.execute(\n \"SELECT COUNT(*) as count FROM products\"\n );\n\n return c.json({\n todaysSales: (todaySales.rows[0] as any)?.total || 0,\n todaysTransactions: (todaySales.rows[0] as any)?.count || 0,\n lowStockAlert: (lowStock.rows[0] as any).count,\n totalProducts: (totalProducts.rows[0] as any).count,\n });\n});\n\n// Unwrap and rethrow Hono errors as the original error\napp.onError((err) => Promise.reject(err));\n\n// HTTP vals expect an exported \"fetch handler\"\nexport default app.fetch;\n","label",[141],"0fa28590-f0d1-4b05-8555-56d33d5e83fe","README.md","01a03bc6-6207-76cc-b747-38367f9b29fe",8,["D",1787709354493],"# 🌹 Perfume POS UAE - Full Stack System\n\nA complete **Point of Sale (POS) system** built for perfume retail in the United Arab Emirates. Full-stack web and mobile-responsive application with inventory management, sales tracking, VAT calculation, and comprehensive reporting.\n\n## ✨ Features\n\n### 🛍️ **Sales & Checkout**\n- Product catalog with search and filtering by category\n- Real-time inventory display (stock levels)\n- Shopping cart management with quantity adjustment\n- Multiple payment methods (Cash, Card, Bank Transfer)\n- Automatic 5% VAT calculation (UAE compliant)\n- Transaction ID generation for every sale\n- Immediate inventory reduction on purchase\n\n### 📦 **Inventory Management**\n- Real-time stock tracking\n- Low stock alerts (items below 20 units)\n- Inventory history and movement logs\n- Stock adjustment interface for receiving/adjustments\n- Categorized product organization\n- Product details: SKU, cost, selling price, description\n\n### 📊 **Reporting & Analytics**\n- Daily sales reports\n- Date range filtering for sales history\n- Transaction summaries with VAT breakdown\n- Inventory status dashboard\n- Sales statistics and trends\n- Revenue tracking by payment method\n\n### 🎨 **UI/UX**\n- **Fully responsive design** - Works on desktop, tablet, and mobile\n- Twind/Tailwind CSS styling\n- Real-time updates\n- Clean, intuitive interface\n- Arabic-ready UI (component structure prepared)\n- Professional typography and spacing\n\n### 🔐 **Data Management**\n- SQLite database for reliable data storage\n- Transactional integrity for sales\n- Complete audit trail via inventory logs\n- Multi-user support structure (ready for expansion)\n- Indexed queries for performance\n\n## 🏗️ Architecture\n\n```\nperfume-pos-uae/\n├── index.ts # Hono HTTP server with API endpoints\n├── db/\n│ └── schema.ts # Database initialization and demo data\n├── frontend/\n│ ├── index.tsx # React app entry point\n│ ├── root.tsx # HTML shell with asset loading\n│ ├── favicon.svg # App icon\n│ └── components/\n│ ├── App.tsx # Main app layout\n│ ├── ProductCatalog.tsx # Product display & search\n│ ├── Cart.tsx # Shopping cart interface\n│ └── Checkout.tsx # Payment processing UI\n└── README.md # Documentation\n```\n\n## 🚀 Getting Started\n\n### Live Demo\nThe app loads with 6 demo perfume products:\n- **Oud Al Amerat** (AED 450)\n- **Rose Oud** (AED 350)\n- **Musk Al Noor** (AED 280)\n- **Attar Al Khaleej** (AED 320)\n- **Agarwood Premium** (AED 550)\n- **Rose Water** (AED 150)\n\nAll products have 100 units in stock initially.\n\n### Quick Start\n1. Visit the live application URL\n2. Browse products by category or search by name/SKU\n3. Add items to cart\n4. Click \"Checkout\" to complete a sale\n5. Choose payment method and confirm\n\n## 📡 API Endpoints\n\n### Products\n```\nGET /api/products # All products with stock\nGET /api/products/:id # Single product details\n```\n\n### Sales\n```\nPOST /api/sales # Create new sale transaction\n Body: { items: [{id, name, price, quantity}], paymentMethod }\n```\n\n### Inventory\n```\nGET /api/inventory # All products with low stock alerts\nPOST /api/inventory/stock # Update stock (receive/adjust)\n Body: { productId, quantity, type, reference }\n```\n\n### Reports\n```\nGET /api/reports/sales # Sales report with filtering\n Query: ?startDate=2026-08-01&endDate=2026-08-31\n```\n\n### Dashboard\n```\nGET /api/dashboard # Stats: today's sales, low stock alerts, totals\n```\n\n## 💾 Database Schema\n\n### Products\n- `id`, `name`, `sku` (unique), `category`, `price`, `cost`, `stock`\n- `description`, `barcode` (for future barcode scanning)\n- Timestamps for tracking\n\n### Sales\n- `id`, `transactionId` (unique), `total`, `subtotal`, `vatAmount`\n- `paymentMethod` (cash, card, transfer)\n- `status`, `createdAt`\n\n### Sale Items (Line Items)\n- Links products to sales with quantity and pricing\n- Stores unit price at time of sale (prevents price change conflicts)\n- Discount field for promotions\n\n### Inventory Log\n- Tracks all stock movements (sales, adjustments, returns)\n- References transaction IDs for traceability\n- Type: \"sale\", \"adjustment\", \"return\", etc.\n\n### Users\n- Structure for multi-user support\n- PIN-based authentication (expandable)\n- Roles: admin, cashier (ready for implementation)\n\n## 🔧 Tech Stack\n\n- **Frontend:** React 18 with TypeScript\n- **Backend:** Hono (lightweight HTTP framework)\n- **Database:** SQLite (Val Town's std/sqlite)\n- **Styling:** Twind (Tailwind CSS runtime)\n- **Runtime:** Deno (on Val Town)\n\n## 💡 Customization\n\n### Adding New Products\nEdit `db/schema.ts` `seedDemoData()` function or use admin panel (future feature)\n\n### Changing VAT Rate\nVAT is calculated as 5% in:\n- `frontend/components/Cart.tsx` (line with `subtotal * 0.05`)\n- `frontend/components/Checkout.tsx` (same calculation)\n- `index.ts` `/api/sales` endpoint\n\nChange `0.05` to your desired rate everywhere.\n\n### Adding Categories\nCategories are auto-detected from products. Add new products with new category names.\n\n### Payment Methods\nUpdate the `

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