feat: Add stale process monitor, users route, landing page, archive old scripts

- Add backend stale process monitoring API (/api/stale-processes)
- Add users management route
- Add frontend landing page and stale process monitor UI on /scraper-tools
- Move old development scripts to backend/archive/
- Update frontend build with new features

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/archive/check-product-prices.ts

@@ -0,0 +1,56 @@
+import { pool } from './src/db/migrate.js';
+
+async function checkProductPrices() {
+  const result = await pool.query(`
+    SELECT
+      id,
+      name,
+      brand,
+      regular_price,
+      sale_price,
+      in_stock,
+      stock_status
+    FROM products
+    WHERE dispensary_id = 112
+    ORDER BY brand, name
+    LIMIT 50
+  `);
+
+  console.log('\n' + '='.repeat(100));
+  console.log('PRODUCTS WITH PRICES');
+  console.log('='.repeat(100) + '\n');
+
+  result.rows.forEach((row, idx) => {
+    const regularPrice = row.regular_price ? `$${row.regular_price.toFixed(2)}` : 'N/A';
+    const salePrice = row.sale_price ? `$${row.sale_price.toFixed(2)}` : 'N/A';
+    const stock = row.in_stock ? (row.stock_status || 'In Stock') : 'Out of Stock';
+
+    console.log(`${idx + 1}. ${row.brand} - ${row.name.substring(0, 50)}`);
+    console.log(`   Price: ${regularPrice}  |  Sale: ${salePrice}  |  Stock: ${stock}`);
+    console.log('');
+  });
+
+  console.log('='.repeat(100) + '\n');
+
+  // Summary stats
+  const stats = await pool.query(`
+    SELECT
+      COUNT(*) as total_products,
+      COUNT(regular_price) as products_with_price,
+      COUNT(sale_price) as products_with_sale,
+      COUNT(CASE WHEN in_stock THEN 1 END) as in_stock_count
+    FROM products
+    WHERE dispensary_id = 112
+  `);
+
+  console.log('SUMMARY:');
+  console.log(`  Total products: ${stats.rows[0].total_products}`);
+  console.log(`  Products with regular price: ${stats.rows[0].products_with_price}`);
+  console.log(`  Products with sale price: ${stats.rows[0].products_with_sale}`);
+  console.log(`  Products in stock: ${stats.rows[0].in_stock_count}`);
+  console.log('\n');
+
+  await pool.end();
+}
+
+checkProductPrices().catch(console.error);