Under the hood
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Artifact permission checks now detect co-authorship and flag artifacts as foreign-owned on pages
What
When resolving permissions or state for an artifact, Claude Code now checks whether the artifact was co-written or authored by someone other than the current user, based on signals like whether the artifact is marked as co-written, its artifact kind, and whether the current user's role is something other than owner. A new pageForeign flag is now included in the results to indicate this.
Why
This lets the interface distinguish artifacts a user owns from ones they merely collaborate on or don't own, which can affect what permissions or actions are appropriate to show.
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The writer flagged doubt
The finding doesn't say how `pageForeign` or the co-authorship signals are used in the interface.