sequenceDiagram
  participant P1 as Player 1
  participant P2 as Player 2
  participant S as Server/Room
  participant AJ as AutoJudge G4

  S->>P1: startRound(gameType, roundNo, role=P1)
  S->>P2: startRound(gameType, roundNo, role=P2)

  alt G2 (P2 decide forzar)
    P2->>S: decide(force or no_force)
    S-->>P1: forcedOffer = true/false
  else Otros juegos
    Note over P1,P2: Sin decision previa de P2
  end

  P1->>S: actionP1(offer or no_offer) - o forzado en G2
  S-->>P2: notifyP1Action(offer or no_offer)

  alt no_offer
    S-->>P1: outcome(10,10)
    S-->>P2: outcome(10,10)
  else offer
    P2->>S: actionP2(accept / reject / snatch)
    alt accept
      S-->>P1: outcome(15,15)
      S-->>P2: outcome(15,15)
    else reject
      S-->>P1: outcome(10,10)
      S-->>P2: outcome(10,10)
    else snatch
      opt G4 denuncia
        P1->>S: report: yes or no
        alt report=yes
          S->>AJ: aplicar sancion
          AJ-->>S: confiscar tokens P2
          S-->>P1: outcome(10,0)
          S-->>P2: outcome(10,0)
        else report=no
          S-->>P1: outcome(5,20)
          S-->>P2: outcome(5,20)
        end
      opt G3 repudio
        P1->>S: shameToken: assign yes or no
        S-->>P2: actualizar contador verguenza (proxima partida)
        end
    end
  end

  opt Round3 - persistir resultado R3
    S->>S: actualizar leaderboard y analytics
  end
  S-->>P1: endRound
  S-->>P2: endRound
  end