What
When Claude writes to an artifact database, the result it receives now includes a list of warnings taken from the server's reply. The list is limited in length and cleaned before Claude sees it.
Why
Claude now gets the server's hints about a write, so it can notice and react when something about the write was not quite right.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
It is not clear which Claude Code feature this artifact database belongs to.