Add Real-time Updates and Event Listening

[Mrwicks00]

Description

Implement real-time updates for battle states, meme submissions, votes, and prize pool changes using contract events.

Tasks

• Set up event listeners for BattleManager events:
  • BattleCreated
  • BattleStateChanged
  • BattleArchived
• Set up event listeners for MemeRegistry events:
  • MemeSubmitted
  • MemeVoteWeightUpdated
• Set up event listeners for VotingEngine events:
  • VoteCast
  • Withdrawn
• Set up event listeners for RewardDistributor events:
  • PrizePoolFunded
  • RewardDistributed
  • WinnersDeclared
• Update UI automatically when events are detected
• Use wagmi's useWatchContractEvent or useWatchContractRead for real-time updates
• Implement polling fallback for environments where events aren't reliable

Contract Events Used

• BattleManager.BattleCreated
• BattleManager.BattleStateChanged
• BattleManager.BattleArchived
• MemeRegistry.MemeSubmitted
• MemeRegistry.MemeVoteWeightUpdated
• VotingEngine.VoteCast
• VotingEngine.Withdrawn
• RewardDistributor.PrizePoolFunded
• RewardDistributor.RewardDistributed
• RewardDistributor.WinnersDeclared

Files to Modify

• All pages and components that display contract data
• frontend/hooks/useContractEvents.ts (new file - utility for event listening)