GitHub Issue Management #2
Description
Description\nAs a development team member, I want to create and update issues in GitHub based on Jira stories, so that refinement can happen in the GitHub environment.\n\n## Acceptance Criteria\n- [ ] Can authenticate with GitHub API using secure credentials
- Can create new issues in GitHub with appropriate fields
- Can update existing issues with changed information
- Metadata maintains the link between Jira stories and GitHub issues
- Markdown formatting properly converts Jira formatting to GitHub\n\n## Tasks\n- [ ] Create GitHub authentication module (0.5d)
- Implement issue creation service (1d)
- Build issue update functionality (1d)
- Design metadata strategy for tracking Jira-GitHub relationships (0.5d)
- Create Jira-to-GitHub markdown converter (1d)
- Implement error handling and conflict resolution (0.5d)\n\n## Details\n- Key: US-1.2\n- Story Points: 5\n- Priority: High\n- Epic: Integration Layer Foundation\n- Sprint: Sprint 1: Foundation