@saradu inline should only be for platforms that don't support threads. inline should be for starting new topics/threads. If your agent is replying to a message, it belongs in a thread under that message. If your agent is NOT replying (e.g. proactive message) then sure, inline
One of my earliest commissions was a single line crescent moon. After talking with the client, I learned it was meant to honor a cat they had recently lost.
Around that time, I was experimenting with hiding details in my artwork, so I decided to hide their cat in the moon.