feat(delegation): a delegated run inherits its parent's caller - #448
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delegate_to hands the sub-agent the parent's current_user before its action runs, so its own before_action callbacks and any scope its tools read through decide against the same person. A parent authorized as one user no longer hands its specialists an unattributed run — which a correctly written host scope reads as "no access". A parent with no caller still delegates an unattributed run, never someone else's. Builds on the caller seam (#443). Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XMSRnSxYS9mRx1hSjytB9Z
TonsOfFun
changed the base branch from
claude/zealous-turing-4afxvn
to
main
September 12, 2026 19:24
# Conflicts: # CHANGELOG.md
# Conflicts: # CHANGELOG.md
# Conflicts: # CHANGELOG.md
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Stacked on #443 (the caller seam); retarget to
mainonce that merges.Delegation::Runner#generatebuilt the sub-agent with the parent's params and trace id but not its caller, soSupportHubAgent.as(user)delegating toTicketAgentran the specialist unattributed — and a host scope written correctly against Pundit answered "no tickets" to a user with plenty. Found in a host app that had to forward the user throughparams:by hand to work around it.Change
The sub-agent gets the parent's
current_userbefore its action runs (inherit_actor), so its ownbefore_actioncallbacks and anySchemaToolsscope its tools read through decide against the same person. A parent with no caller still delegates an unattributed run — never someone else's. Hosts on a framework without the seam are left as they were (the assignment is guarded onrespond_to?).Testing
test/authorization_test.rb(+2): a delegated run sees the parent's caller; a parent with no caller delegatesnil.bin/test test/authorization_test.rb test/delegation_test.rb— 12 runs, 20 assertions, 0 failures.bin/rubocopclean on the changed files.🤖 Generated with Claude Code
https://claude.ai/code/session_01XMSRnSxYS9mRx1hSjytB9Z