upgrade matrice with files

public/userarea/delete_packaging_stock_lot.php

@@ -0,0 +1,20 @@
+<?php
+include('include/headscript.php');
+header('Content-Type: application/json');
+
+$id = isset($_POST['id']) ? (int)$_POST['id'] : 0;
+if ($id <= 0) {
+    echo json_encode(['success' => false, 'message' => 'Invalid id']);
+    exit;
+}
+
+$db = DBHandlerSelect::getInstance();
+$pdo = $db->getConnection();
+
+try {
+    $stmt = $pdo->prepare("DELETE FROM packaging_stock_lots WHERE id = ?");
+    $stmt->execute([$id]);
+    echo json_encode(['success' => true]);
+} catch (PDOException $e) {
+    echo json_encode(['success' => false, 'message' => $e->getMessage()]);
+}