feat: add core backend modules, inventory services, and patch scripts for AI Pharmacy API

scratch/update_mfr.ts

@@ -0,0 +1,29 @@
+import { pool } from '../src/db/pool';
+
+async function updateManufacturers() {
+  const mfrs = [
+    'Cipla Ltd', 
+    'Sun Pharma', 
+    "Dr. Reddy's Laboratories", 
+    'Lupin Ltd', 
+    'Abbott Healthcare', 
+    'Mankind Pharma', 
+    'Alkem Laboratories', 
+    'Torrent Pharma', 
+    'Zydus Healthcare', 
+    'GlaxoSmithKline'
+  ];
+
+  const res = await pool.query('SELECT id FROM products');
+  console.log('Total products in DB:', res.rows.length);
+
+  for (let i = 0; i < res.rows.length; i++) {
+    const mfr = mfrs[i % mfrs.length];
+    await pool.query('UPDATE products SET manufacturer = $1 WHERE id = $2', [mfr, res.rows[i].id]);
+  }
+
+  console.log('Successfully updated manufacturer for all products in database!');
+  await pool.end();
+}
+
+updateManufacturers().catch(console.error);