feat: implement dispensing module with transaction-safe stock management, FEFO allocation, and H1 compliance reporting

fix_stock.js

@@ -0,0 +1,26 @@
+const { Client } = require('pg');
+const client = new Client('postgres://postgres:csh%402018@localhost:5432/ai_pharmacy');
+
+client.connect().then(async () => {
+  try {
+    const res = await client.query('SELECT DISTINCT tenant_id FROM products WHERE tenant_id IS NOT NULL');
+    const tenants = res.rows.map(r => r.tenant_id);
+    if (!tenants.includes('act_admin')) tenants.push('act_admin');
+    
+    // Expiry date 2 years from now
+    const expiry = new Date(Date.now() + 2 * 365 * 24 * 60 * 60 * 1000).toISOString().split('T')[0];
+    
+    for (const t of tenants) {
+      const batchNo = 'B_FIX_' + t.substring(0,8) + '_' + Date.now();
+      await client.query(`
+        INSERT INTO batches (batch_no, product_id, expiry, qty_on_hand, purchase_price, tenant_id)
+        VALUES ($1, 'prd_4410', $2, 1000, 50.00, $3)
+      `, [batchNo, expiry, t]);
+      console.log(`Added stock for tenant ${t}`);
+    }
+
+  } catch (err) {
+    console.error('Error adding stock:', err);
+  }
+  process.exit(0);
+}).catch(console.error);