feat: improve header responsiveness and update seed initialization

- Add text truncation for title on mobile screens
- Hide user info section on mobile, show simplified icons only
- Update seed.ts to create admin and demo users with proper password hashing
- Add bcryptjs for password hashing in seed script
- Update QWEN.md documentation with seed command and default users

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

src/components/ui/card.tsx

@@ -2,7 +2,6 @@ import {
 	Box,
 	Card as MantineCard,
 	type CardProps as MantineCardProps,
-
 	Title,
 } from "@mantine/core";
 import type React from "react";