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/reset-jobs.ts

@@ -0,0 +1,29 @@
+import { pool } from './src/db/migrate.js';
+
+async function resetJobs() {
+  const result = await pool.query(`
+    UPDATE brand_scrape_jobs
+    SET status = 'pending',
+        worker_id = NULL,
+        started_at = NULL,
+        completed_at = NULL,
+        products_found = 0,
+        products_saved = 0,
+        error_message = NULL,
+        retry_count = 0
+    WHERE dispensary_id = 112
+  `);
+
+  console.log(`✅ Reset ${result.rowCount} jobs to pending`);
+
+  const count = await pool.query(
+    'SELECT COUNT(*) FROM brand_scrape_jobs WHERE dispensary_id = 112 AND status = $1',
+    ['pending']
+  );
+
+  console.log(`📊 Total pending jobs: ${count.rows[0].count}`);
+
+  await pool.end();
+}
+
+resetJobs();