A refused collab_* call's dry-run report names its colleagues — CP15 Task 6 gave DocstionGate.report a targetMemberIds argument after CP12 Task 29 was written, so Task 29's rebased refusal branch no longer compiled; the refusal's dry run now reports the same colleagues its COLLAB_DENIED names (KamoCollab CP12 Task 29, found by Task 30)