feat(dashboard): add detailed contribution breakdown by category
Backend (contribution-service):
- Add getDetailedContributionStats() to repository
- Add getUnallocatedByLevelTier/BonusTier() to repository
- Extend stats API with level/bonus breakdown by tier
- Add getTotalTrees() to synced-data repository
Backend (mining-admin-service):
- Add detailed contribution stats calculation
- Calculate theoretical vs actual values per category
- Return level/bonus breakdown with unlocked/pending amounts
Frontend (mining-admin-web):
- Add ContributionBreakdown component showing:
- Personal (70%), Operation (12%), Province (1%), City (2%)
- Level contribution (7.5%) by tier: 1-5, 6-10, 11-15
- Bonus contribution (7.5%) by tier: T1, T2, T3
- Update DashboardStats type definition
- Integrate breakdown component into dashboard page
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>