Gate rounds voting by delegated Gnars votes

[xSatori]

What this addresses

This PR upgrades rounds voting so future round votes are gated by delegated Gnars DAO governance voting power. A connected wallet now needs at least 1 delegated Gnars DAO vote from the Gnars token contract before it can vote in any rounds strategy.

Code to review

• src/services/round-voting-power.ts

  • Adds the server-only delegated voting-power helper.
  • Reads DAO_ADDRESSES.token with serverPublicClient.readContract.
  • Uses getVotes(address) rather than balanceOf.
  • Validates and normalizes wallet addresses with Viem.
  • Returns 0 on RPC/read failure so voting is blocked instead of granted.

• src/services/rounds.ts

  • Updates getRoundVotingPower to gate every strategy behind delegated Gnars votes.
  • one_per_wallet returns 1 only when delegated voting power is positive.
  • fixed_per_wallet returns round.votesPerWallet only when delegated voting power is positive.
  • one_per_nft now returns delegated governance voting power.

• src/app/api/rounds/[slug]/voting-power/route.ts

  • Adds GET /api/rounds/[slug]/voting-power?wallet=....
  • Validates slug and wallet.
  • Returns walletAddress, votingPower, usedVotes, and remainingVotes.

• src/components/rounds/RoundDetailView.tsx

  • Fetches voting power while voting is open and a wallet is connected.
  • Uses remainingVotes for allocation limits and submit enablement.
  • Shows clear copy when the wallet has no delegated Gnars voting power.
  • Hides voting controls for wallets with 0 voting power.
  • Refetches voting power and refreshes the route after successful submit.

• Regression coverage

  • src/services/round-voting-power.test.ts
  • src/app/api/rounds/[slug]/voting-power/route.test.ts
  • src/components/rounds/RoundDetailView.test.tsx

Test plan

• pnpm test
  • 11 test files passed
  • 86 tests passed
  • 1 todo
• pnpm lint
  • passed with 0 errors
  • existing warnings remain for <img> usage outside the rounds files

Review notes

This branch was rebuilt from current upstream/main so the PR only contains the delegated-vote gating change. The main behavior to review is the mapping between delegated governance votes and each rounds voting strategy, especially one_per_nft, which now uses delegated Gnars DAO voting power directly instead of the previous safe one-wallet fallback.

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