query('SELECT id, title, location, description, company, salary_range, created_at FROM jobs ORDER BY created_at DESC'); $jobs = $stmt->fetchAll(PDO::FETCH_ASSOC); echo json_encode(['success' => true, 'data' => $jobs]); } catch (PDOException $e) { http_response_code(500); echo json_encode(['success' => false, 'error' => 'Database error: ' . $e->getMessage()]); } ?>