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📋 StaffDashboard.js – Code Description
The StaffDashboard.js component is part of the QueueMe App, a virtual queue management system. This file is responsible for displaying a real-time dashboard interface tailored for staff or administrators, enabling them to efficiently manage service queues.

🔧 Key Functionalities of StaffDashboard.js
Queue Overview Panel
Displays the list of users currently in the queue.
Shows each user's queue number, name, and status (waiting, serving, completed).
Optionally provides estimated wait times.
Service Controls
Allows staff to call the next person in the queue.
Buttons to mark users as "serving" or "done".
Admins can skip or cancel queue entries if needed.
Branch/Service Filter
Staff can filter queues by branch (e.g., Bank Counter 1, University Registrar).
Useful in multi-department environments.
Live Updates
Uses polling or WebSockets (or Firebase Realtime Database) to receive real-time queue updates.
Ensures the staff interface stays in sync with the backend and user-side updates.
Clean and Responsive UI
Built with React and styled using Tailwind CSS or Bootstrap for responsiveness.
Ensures usability on tablets and desktop devices commonly used by staff.

🧩 How it Connects to Backend
On load, the dashboard fetches current queue data from a MySQL database via API calls or a direct Node.js/Express backend.
When staff update a queue item (e.g., mark as "served"), the action triggers a POST/PUT request to update the database.
Real-time features may use WebSocket (e.g., Socket.io) or Firebase for instant UI refresh across all connected clients.

🧑‍💼 Purpose of StaffDashboard.js
This component empowers staff to:
Monitor, control, and streamline service flow.
Minimize idle time between customers.
Ensure fast and organized service in high-traffic institutions (e.g., banks, schools, hospitals).