Add admin endpoints:
- GET /admin/status - Get mining system status
- POST /admin/initialize - Initialize mining config (one-time)
- POST /admin/activate - Activate mining distribution
Add prisma seed script for database initialization:
- MiningConfig: 100.02B total shares, 200万 distribution pool
- BlackHole: 100亿 burn target
- MiningEra: First era with 100万 distribution
- PoolAccounts: SHARE_POOL, BLACK_HOLE_POOL, CIRCULATION_POOL
Based on requirements:
- 第一个两年分配100万积分股
- 第二个两年分配50万积分股(减半)
- 100亿通过10年销毁到黑洞
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>