v0.1.6 Update attribution examples

Use `Assisted-by: [Model] via [Tool]` like `Assisted-by: GLM 4.6 via
Crush` in examples
-----BEGIN SSH SIGNATURE-----
U1NIU0lHAAAAAQAAAEoAAAAac2stc3NoLWVkMjU1MTlAb3BlbnNzaC5jb20AAAAgzEkAhr
f0dc6ZiSJXHc/mDhl7rRRGcNCSuENi7R/pfKkAAAAEc3NoOgAAAANnaXQAAAAAAAAABnNo
YTUxMgAAAGcAAAAac2stc3NoLWVkMjU1MTlAb3BlbnNzaC5jb20AAABAASDay/Vp65vmVg
No8ekdlY/HzlRsiK6KKGB4Rq4C7kg2gmdTtN8TNL4ly8bfRH3Aa/jFEtfD7sPFdJvN0qjh
DgEAAInc
-----END SSH SIGNATURE-----