docs: add M2.5 resilience design with review revisions

research-wiki/index.md

@@ -1,12 +1,14 @@
 # Research Wiki 索引
 
-> 自动生成，更新时间：2026-07-21 11:19 UTC
+> 自动生成，更新时间：2026-07-21 12:26 UTC
 
-## design (4)
+## design (6)
 - [2026-07-20-m1-core-design](designs/2026-07-20-m1-core-design.md) `design:2026-07-20-m1-core-design`
 - [2026-07-20-m2-distributed-design](designs/2026-07-20-m2-distributed-design.md) `design:2026-07-20-m2-distributed-design`
+- [2026-07-21-m25-resilience-design](designs/2026-07-21-m25-resilience-design.md) `design:2026-07-21-m25-resilience-design`
 - [M1 核心里程碑设计:公共签名冻结与治理栈落地](designs/m1-core-design.md) `design:m1-core-design`
 - [M2 分布式:Redis 治理后端+背压+Postgres 遥测+pricing+Embedding+压测 harness](designs/m2-distributed.md) `design:m2-distributed`
+- [M2.5 治理韧性: 半死源隔离与健康感知调度](designs/m25-resilience.md) `design:m25-resilience`
 
 ## finding (5)
 - [2026-07-20-m2-soak-workload](findings/2026-07-20-m2-soak-workload.md) `finding:2026-07-20-m2-soak-workload`