Function useRoundTransition

useRoundTransition(
config?: RoundTransitionConfig,
onTransitionComplete?: () => void,
): UseRoundTransitionResult
useRoundTransition Hook

Manages the complete round transition flow:
1. Idle state during normal combat
2. Announcing state shows round results
3. Countdown state counts down to next round
4. Transitioning state briefly transitions to next round
5. Returns to idle for next round
Parameters
- config: RoundTransitionConfig = {}
  Configuration for transition timings
- OptionalonTransitionComplete: () => void
  Callback when transition completes
Returns UseRoundTransitionResult
Round transition state and control functions
Example
```
const {
  transitionState,
  showAnnouncement,
  startTransition,
  skipCountdown,
} = useRoundTransition(
  { countdownDuration: 3 },
  () => {
    // Start next round
    initializeNextRound();
  }
);

// When round ends
startTransition(winner, roundNumber);
```
- Defined in hooks/useRoundTransition.ts:107