53bbcedeec
The clap help promises "persists each member's taps" and the chart hint recommends `aura sweep --trace`, but every blueprint-mode arm discards the flag (run_blueprint_sweep's `let _ = persist`, the --real sugar's persist_taps: vec![]) — the surface advertises trace-recording the code drops. Pin the decided honest behaviour: sweep/walkforward refuse --trace up front (exit 2, naming the flag and pointing forward to the deferred trace feature #224), mirroring the aura run / mc refusals. refs #168