浅念
9dc22cd1e6
feat(management): 生命周期判定纯函数——距今天数口径/7天新客/30天沉睡/历史门槛5条
TDD(批次A Task4):classify/day_add/days_between 纯函数,供 Task6 宽表
生命周期 4 列计算。口径已确认:新客=首次互动≤7 天(含当天共 7 天)、
cooling [7,30)、沉睡≥30 天且历史≥5 条(对齐 churn real min_msgs=5)、
回流=当日互动(last_day==as_of)且前次间隔>30 天(严格大于,恰好 30
天不算);未激活或历史不足的长期静默返回 None。analytics 现有页暂不
切换(v2 §5 口径差异另标),不动 636 既有测试。
模块为纯叶子节点,禁止 import app.storage(防 storage→analytics 成环)。
7 例测试覆盖:new 窗口边界(as_of-6 含/不含)、回流 35/9/31 天与恰好
30 天、last_day==as_of 门槛、6/7/29/30 天落位、历史门槛 4/5、
day_add 跨月。全量 643 绿。
Co-Authored-By: Claude Code <noreply@anthropic.com>
2026-09-09 13:37:22 +08:00
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