default scenario {"subtotal":74,"total":81.4,"owed":{"Anna":17.38,"Ben":15.55,"Chiara":9.68,"Dev":15.54,"Ema":23.25},"transfers":[{"from":"Ema","to":"Ben","amount":23.25},{"from":"Anna","to":"Ben","amount":17.38},{"from":"Chiara","to":"Ben","amount":5.22},{"from":"Chiara","to":"Dev","amount":4.46}],"paidMismatch":0}
ALL 1808 CHECKS PASSED (fixed cases, default dinner, 400 random settle-up cases checked against an exhaustive minimum-payments search, 500 random split cases)