Scaffold Hedera dApps — Vite/React layout, MetaMask via Hashio JSON-RPC (EVM), HashConnect for native Hedera wallets, Mirror Node REST queries, transaction receipt confirmation patterns, Hedera-specific error handling. Use when user mentions HashConnect, MetaMask Hedera testnet, build dApp Hedera, frontend mirror node, wallet connect Hedera, PRECHECK_FAILED, INVALID_PAYER_SIGNATURE.
