- Add ContributionStats entity and model for network-wide statistics
- Add /api/v2/contribution/stats endpoint
- Implement estimatedEarningsProvider to calculate daily earnings
- Formula: (user contribution / total contribution) × daily allocation
- Update contribution page to display real estimated earnings
- Add debug logs for contribution records API
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
