```json
{"price": 190, "message": "Hi. Costs are 100 for both of us; joint profit peaks near 190-195 each. I'm pricing 190 and will keep matching at 190 as long as you do. If you undercut, I'll match your price the next period. Let's both stay at 190.", "note": "Open at 190 (near joint-profit optimum) and propose mutual 190 with matching as a conditional-cooperation signal."}
```