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

test_stock_mismatch.js

@@ -0,0 +1,36 @@
+const { pool } = require('./src/db/pool');
+
+async function test() {
+  const actorId = 'act_admin';
+  console.log("Checking for actorId:", actorId);
+
+  // Pharmacy Drugs (CatalogueService)
+  const query1 = `
+      SELECT p.brand_name, 
+        (SELECT COALESCE(SUM(qty_on_hand), 0) FROM batches WHERE product_id = p.id AND expiry > CURRENT_DATE AND tenant_id = $1) as total_stock
+      FROM products p
+      JOIN drugs d ON p.drug_id = d.id
+      WHERE p.tenant_id = $1 OR EXISTS (SELECT 1 FROM batches WHERE product_id = p.id AND tenant_id = $1) OR p.tenant_id IS NULL
+  `;
+  const res1 = await pool.query(query1, [actorId]);
+  console.log("Pharmacy Drugs stock:");
+  console.log(res1.rows);
+
+  // Inventory (InventoryService)
+  const query2 = `
+      SELECT p.brand_name, SUM(b.qty_on_hand) as sum_stock
+      FROM batches b
+      JOIN products p ON b.product_id = p.id
+      WHERE b.qty_on_hand > 0 
+        AND b.expiry <= CURRENT_DATE + 3650
+        AND b.tenant_id = $1
+      GROUP BY p.brand_name
+  `;
+  const res2 = await pool.query(query2, [actorId]);
+  console.log("Inventory Stock:");
+  console.log(res2.rows);
+
+  process.exit();
+}
+
+test();