frontendove optimalizacie

frontend/src/lib/gameRules.ts

@@ -12,3 +12,12 @@ export function computePlayable(hand: Hand, ledColor: CardColor | null): Set<str
 
   return new Set(keys);
 }
+
+/** The bid the last guesser may not make: the four bids must not sum to the
+ *  number of tricks in the round (mirrors Round.add_player_guess in the engine).
+ *  Returns null while earlier players are still guessing. */
+export function forbiddenGuess(cardsInRound: number, guesses: Record<string, number>): number | null {
+  if (Object.keys(guesses).length !== 3) return null;
+  const alreadySum = Object.values(guesses).reduce((a, b) => a + b, 0);
+  return cardsInRound - alreadySum;
+}