The live round trip showed the second examination listing the gate's own rebuke as source user_2. The rebuke is the gate's turn, not something the caller gave the model; the second reply is now examined against the caller's original body (same sources and query as the first). Test pins it. Elixir gate 15/0. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>