Deploy contracts to World Chain mainnet

[mollybeach]

Summary

World Chain is the primary distribution channel (23M World App users) but none of the four core contracts are deployed there yet.

Blocker

Per docs/DEPLOYMENT_STATUS.md:

HardhatError: Invalid JSON-RPC response received: Must be authenticated!

Contracts to deploy

Contract	Status
HedgePodVault	⏳ Pending
AutoYieldToken	⏳ Pending
YieldOracle	⏳ Pending
VolatilityFeeHook	⏳ Pending

Steps

1. Configure authenticated RPC in .env:

   WORLD_CHAIN_RPC=https://worldchain-mainnet.g.alchemy.com/v2/YOUR_API_KEY
   

2. Fund deployer wallet with World Chain ETH
3. Run: npx hardhat run scripts/deploy/deployer.ts --network worldchain
4. Update frontend/lib/data/contracts_data.json and deployments/
5. Verify contracts on World Chain explorer
6. Configure LayerZero peers for cross-chain OFT

Acceptance criteria

• All 4 contracts deployed and verified on World Chain
• Deployment JSON saved to deployments/
• Frontend reads correct World Chain addresses
• docs/DEPLOYMENT_STATUS.md updated