- Migration 011: 4 new tables (user_referral_codes, user_referral_relationships,
user_point_transactions, user_point_balances)
- Referral service: user-level repositories, use cases, and controller endpoints
(GET /me/user, /me/circle, /me/points; POST /internal/user-register)
- Admin endpoints: user-circles, user-points, user-balances listing
- Auth service: fire-and-forget user referral registration on signup
- Flutter: 2-tab UI (企业推荐 / 我的圈子) with personal code card,
points balance, circle member list, and points history
- Web admin: 2 new tabs (用户圈子 / 用户积分) with transaction ledger and balance leaderboard
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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