Show secondary leaderboards in project django admin page

[SylvainChevalier]

[SylvainChevalier]

@claude

[claude]

Claude finished @SylvainChevalier's task in 2m 30s —— View job • claude/issue-4305-20260210-1451 • Create PR ➔

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Working on Issue #4305: Show Secondary Leaderboards in Project Django Admin Page

Todo List:

• Read CLAUDE.md for repo guidelines
• Explore codebase to understand leaderboard/project models
• Find Django admin configuration for projects
• Implement showing secondary leaderboards in admin
• Commit and push changes

Summary

Added a LeaderboardInline to ProjectAdmin in projects/admin.py so all leaderboards associated with a project are now visible directly on the project change page.

What was changed: projects/admin.py

The new inline:

• Shows all leaderboards for the project (both the primary and any secondary ones)
• Displays: leaderboard name (as a link to its change page), score type, start/end/finalize times, finalized status, prize pool, and an Is Primary boolean indicator
• Is read-only (no adding/deleting from the project page — leaderboard management stays in the Leaderboard admin)
• Uses has_add_permission = False and can_delete = False so it's purely informational

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