I want a manifest interpolation API in the Go manifest package that can be used as…

I want a manifest interpolation API in the Go manifest package that can be used as…: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). I want a manifest interpolation API in the Go manifest package that can be used as manifest.NewInterpolator(appName string, envName…