I want a pure slug-generation API in kubespawner.slugs for making stable Kubernetes-safe identifiers from…

I want a pure slug-generation API in kubespawner.slugs for making stable Kubernetes-safe identifiers from…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). For examples, safe slug("jupyter-alex") should return "jupyter-alex" , safe slug("jupyter-Alex") should…

The task

For examples, `safe_slug("jupyter-alex")` should return `"jupyter-alex"`, `safe_slug("jupyter-Alex")` should return `"jupyter-alex---3a1c285c"`, `safe_slug("user@email.com")` should return `"user-email-com---0925f997"`, and `safe_slug("username--servername")` should return `"username-servername---d957f1de"` so names…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.