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-enrichment-progress.ts

@@ -0,0 +1,25 @@
+import { pool } from './src/db/migrate.js';
+
+async function main() {
+  const result = await pool.query(`
+    SELECT
+      COUNT(*) as total,
+      COUNT(regular_price) as with_prices,
+      COUNT(*) - COUNT(regular_price) as without_prices
+    FROM products
+    WHERE dispensary_id = 112
+  `);
+
+  const stats = result.rows[0];
+  const pct = ((parseInt(stats.with_prices) / parseInt(stats.total)) * 100).toFixed(1);
+
+  console.log('\nENRICHMENT PROGRESS:');
+  console.log(`  Total products: ${stats.total}`);
+  console.log(`  With prices: ${stats.with_prices} (${pct}%)`);
+  console.log(`  Without prices: ${stats.without_prices}`);
+  console.log('');
+
+  await pool.end();
+}
+
+main().catch(console.error);