I know it's probably just The Wind, but in those screenshots, it looks like Zhang Shi!ZYL made a subtle hairstyle change too and Q.Q I'm having Emotions

I knooooooooow ㅠㅠㅠㅠ

You're right, though, it doesn't say much about why Haixing Inspectorate established the unit, aside from GCC's "textbook recital" *ponders*

I wonder if there's something when Zhao Xinci first talked about the SID, in flashback, but I couldn't find it just now, and he definitely wouldn't have mentioned the Envoy then...