```json
{
  "price": 170,
  "message": "Mutual cooperation at 170+ gives us both better profits than competing at cost. I'm staying here. Match?",
  "note": "Price 170 balances strong profit (3045 if mutual) against vulnerability to defection. Signals cooperative intent while remaining defensible. Opens communication to establish stable high-price equilibrium supporting long-term payoff maximization under 0.95 discount factor."
}
```