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danyang-match/docs/Phase-20-Completion-Report.md
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# Phase 20 Completion Report
## Status
✅ Completed
## Implemented
### P20-T01 ~ P20-T08: Analytics 分析
- [x] `AnalyticsService` — Dashboard / 用户漏斗 / Match漏斗 / 每日汇总 / 安全统计
- [x] `AnalyticsController` — 5个API端点(含日期范围参数)
- [x] 新增API:/operator/analytics/user-funnel, /match-funnel, /daily-summary, /safety
- [x] LambdaQueryWrapper 正确引用 Match.matchedAt, Conversation.createdAt, Report.createdAt
### Admin Web 页面
- [x] A20 数据分析页 — 用户漏斗(4阶段)+ Match漏斗(6阶段)+ 安全卡片 + 每日汇总表
- [x] 路由注册:/analytics
## Core Invariants 已保护
- ✅ **漏斗各阶段转化率可计算** — 每个阶段计算转化率百分比
- ✅ **每日汇总包含所有关键指标** — 新增用户/Match/聊天/举报
- ✅ **数据范围可配置** — since/until 日期参数控制时间窗口
- ✅ **男女比例/年龄分布有效** — 从 UserProfile 聚合计算
## API 端点(5个)
GET /operator/analytics/dashboard(工作台统计)
GET /operator/analytics/user-funnel?since=&until=(用户漏斗)
GET /operator/analytics/match-funnel?since=&until=(Match漏斗)
GET /operator/analytics/daily-summary?days=30(每日汇总)
GET /operator/analytics/safety(安全统计)
## Tests
- `AnalyticsServiceTest`: 5 个不变量用例
## Project Stats
- Java files: 195(未增加,复用已有)
- Test classes: 31 (+1)
- Migration SQL: 13
- Admin Web 模块: 10
## Next Phase
Phase 21: 账号生命周期(注销/退出服务/数据脱敏)