{
  "PN_request_accounting_partition_exact": true,
  "US_original_first_edge_arrival_ms": "scheduled emission step + frozen delay; not evidence of arrival if force rejected and no actual spike",
  "US_output_spike_arrival_ms": "nominal edge delivery time only for actual output spikes; not dopamine release/concentration",
  "analysis_source_role": "descriptive audit added after simulation preregistration; cannot select parameters or candidate",
  "events_time_ms": "runtime spike convention; step*dt",
  "offset_no_external_requests_after120ms": true,
  "samples_time_ms": "state after step; (step+1)*dt"
}