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Update U-matrix on rent changes

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Ensure the U-matrix recalculates whenever rents are updated by clarifying dependencies and re-render behavior in RentDivisionPuzzle.tsx, so changes to individual rents trigger a recalculation of utilities (U = V - R) across all agents and rooms.

X-Lovable-Edit-ID: edt-a60b7332-4f67-4926-a402-d083626b1c12
This commit is contained in:
gpt-engineer-app[bot] 2025-12-18 09:13:45 +00:00
commit dee3482dfa
1 changed files with 4 additions and 5 deletions
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9
src/components/RentDivisionPuzzle.tsx
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@ -46,11 +46,10 @@ const RentDivisionPuzzle = ({ onComplete }: RentDivisionPuzzleProps) => {
const rentDiff = totalRent - currentTotal; const rentDiff = totalRent - currentTotal;
// Compute U-matrix: utility[agent][room] = valuation - rent // Compute U-matrix: utility[agent][room] = valuation - rent
const utilities = useMemo(() => { // Computed directly to ensure reactivity when rents change
return valuations.map((agentVals) => const utilities = valuations.map((agentVals) =>
agentVals.map((v, roomIdx) => v - rents[roomIdx]) agentVals.map((v, roomIdx) => v - rents[roomIdx])
); );
}, [valuations, rents]);
// Find envy relationships // Find envy relationships
const envyInfo = useMemo(() => { const envyInfo = useMemo(() => {