Enhancement: Add team-based challenges and cooperative gameplay

[anshul23102]

Problem Statement

Only individual play:

• No team features
• No cooperation
• Limited social

Business Impact: Limited engagement
Technical Impact: No team system

Root Cause Analysis

Designed for individual play.

Solution Overview

1. Teams: create teams
2. Collaboration: team challenges
3. Coordination: coordinate actions
4. Sharing: share rewards
5. Social: build community

Type of Change

• Feature: Team gameplay

Testing Done

• Team test: works
• Collaboration test: effective
• Social test: fun

Related Issue

Relates to engagement

Suggested Labels

feature, team-play, social, gssoc26

[github-actions]

Thank you for raising this issue!

We'll review it as soon as possible. We truly appreciate your contributions! ✨

Meanwhile make sure you've visited the README.md, CONTRIBUTING.md, and CODE_OF_CONDUCT.md before creating a PR for this. Also, please do NOT create a PR until this issue has been assigned to you. 😊

[Kawshikk-Shrii]

Can you assign this to me.
I am willing to work on this issue.