docs(P23IM2-5): IM-2规格书边界矩阵收口

docs/feature-matrix.md

@@ -76,7 +76,7 @@
 | I1 | 集成框架（Outbox+Adapter） | §16 Phase 2（外部集成） | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09 | DONE | server/scripts/regression-integrations.sh | none |
 | I2 | ERP最小集成（paid同步） | §16 Phase 2（ERP 集成） | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09 | DONE | server/scripts/regression-integrations.sh | 默认关闭，按需灰度 |
 | I3 | 差旅单导入与报销关联 | §16 Phase 2（差旅闭环） | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09 | DONE | server/scripts/regression-integrations.sh | 默认关闭，按需灰度 |
-| I4 | 通知渠道扩展（企微/钉钉） | §4.6（多渠道通知） | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09 | DONE | server/scripts/regression-integrations.sh | 默认关闭，按需灰度 |
+| I4 | 通知渠道扩展（企微/钉钉） | §4.6（多渠道通知） | 2026-03-13_21-04-30-p23-im2-wecom-productionization-refresh.csv | 2026-03-13_21-04-30-p23-im2-wecom-productionization-refresh.csv | 2026-03-13 | DONE | server/scripts/regression-im-notifier.sh | 已完成企微 webhook 生产化与密钥加固；飞书 / 钉钉 provider 继续 backlog |
 | S1 | 企业卡/虚拟卡管控预研 | N/A（ADR 决策项） | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09 | DONE | manual | docs/adr/adr-enterprise-card-control.md |
 | S2 | 移动端路线决策预研 | N/A（ADR 决策项） | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09_23-30-00-p6-p8-remaining-work-master.csv | 2026-02-09 | DONE | manual | docs/adr/adr-mobile-strategy.md |