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/inspect-treez-structure.ts

@@ -0,0 +1,47 @@
+import { chromium } from 'playwright';
+
+const GOOGLE_UA = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36';
+
+async function main() {
+  const browser = await chromium.launch({ headless: true });
+  const context = await browser.newContext({
+    userAgent: GOOGLE_UA
+  });
+
+  const page = await context.newPage();
+
+  try {
+    console.log('Loading menu page...');
+    await page.goto('https://best.treez.io/onlinemenu/?customerType=ADULT', {
+      waitUntil: 'networkidle',
+      timeout: 30000
+    });
+
+    await page.waitForTimeout(3000);
+
+    // Get first 3 menu items and inspect their HTML structure
+    const menuItems = await page.locator('.menu-item').all();
+
+    console.log(`\nFound ${menuItems.length} menu items. Inspecting first 3:\n`);
+
+    for (let i = 0; i < Math.min(3, menuItems.length); i++) {
+      const item = menuItems[i];
+      const html = await item.innerHTML();
+      const text = await item.textContent();
+
+      console.log(`\n========== ITEM ${i + 1} ==========`);
+      console.log('HTML:');
+      console.log(html);
+      console.log('\nText Content:');
+      console.log(text);
+      console.log('='.repeat(40));
+    }
+
+  } catch (error: any) {
+    console.error('Error:', error.message);
+  } finally {
+    await browser.close();
+  }
+}
+
+main().catch(console.error);