Contribution history tracking

[arnabnandy7]

Summary

Track a user’s contribution activity through connected GitHub data.

Motivation

Users may want to monitor issues they opened, PRs they submitted, and progress across open-source projects.

Proposed Scope

• Fetch user contribution activity from GitHub.
• Show related issues and pull requests.
• Surface contribution status where available.
• Connect activity to saved or opened opportunities when possible.

Acceptance Criteria

• Authenticated users can view contribution history.
• History includes relevant issue and PR links.
• Status is visible where GitHub data allows.