面对面结算和过期收益Tab在数据为空时会崩溃，添加空值检查修复此问题。
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Rename account labels:
- 成本账户 → 总部储备
- 运营账户 → 运营账户1
- 总部社区 → 运营账户2
- RWAD待发放池 → 积分股池
- Change all USDT displays to 绿积分 throughout the system account report
- Add getAssetTypeLabel function for asset type mapping in ledger details
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
## Changes
- Add system account report aggregation APIs in reporting-service
- Add internal statistics APIs in wallet-service, reward-service, authorization-service
- Add system accounts tab in admin-web statistics page
- Enhanced metadata in reward entries for traceability
## Backend Changes
- wallet-service: Add offline settlement summary and system accounts balances APIs
- reward-service: Add expired rewards summary API
- authorization-service: Add fixed accounts list, region accounts summary APIs
- reporting-service: Add HTTP clients and aggregation service for system account reports
## Frontend Changes
- admin-web: Add SystemAccountsTab component with fixed accounts, region summaries,
offline settlement stats, and expired rewards display
## Rollback Instructions
Each file includes rollback comments with [2026-01-04] tag marking new additions.
To rollback: delete files marked as new, remove code sections marked with date comments.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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