Add controlled fixture ACK observability

cai

2026-08-12 9eca12eae4372c79eb35cef972f1ab4756c0a5e0

 .cargo/config.toml

@@ -1,8 +1,8 @@
[source.crates-io]

replace-with = "rsproxy"



[source.rsproxy]

registry = "sparse+https://rsproxy.cn/index/"



[net]

retry = 5

[source.crates-io]
replace-with = "rsproxy"

[source.rsproxy]
registry = "sparse+https://rsproxy.cn/index/"

[net]
retry = 5