init: 初始化 AssetX 项目仓库

包含 webapp（Next.js 用户端）、webapp-back（Go 后端）、
antdesign（管理后台）、landingpage（营销落地页）、
数据库 SQL 和配置文件。

webapp/lib/wagmi.ts

@@ -0,0 +1,63 @@
+import { http, fallback } from 'wagmi'
+import { mainnet, sepolia, arbitrum, base, arbitrumSepolia, bscTestnet, bsc } from 'wagmi/chains'
+import { injected } from 'wagmi/connectors'
+import { WagmiAdapter } from '@reown/appkit-adapter-wagmi'
+import { createAppKit } from '@reown/appkit/react'
+
+// WalletConnect Project ID
+const projectId = process.env.NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID || ''
+
+const networks = [mainnet, sepolia, arbitrum, base, bsc, arbitrumSepolia, bscTestnet] as const
+
+// Mutable copy for AppKit which requires non-readonly tuple
+const mutableNetworks = [...networks] as unknown as [import('@reown/appkit/networks').AppKitNetwork, ...import('@reown/appkit/networks').AppKitNetwork[]]
+
+const transports = {
+  [mainnet.id]: http(),
+  [sepolia.id]: http(),
+  [arbitrum.id]: http(),
+  [base.id]: http(),
+  [bsc.id]: http(),
+  [arbitrumSepolia.id]: http(),
+  [bscTestnet.id]: fallback([
+    http('https://bsc-testnet-rpc.publicnode.com'),
+    http('https://bsc-testnet.blockpi.network/v1/rpc/public'),
+    http('https://endpoints.omniatech.io/v1/bsc/testnet/public'),
+    http('https://data-seed-prebsc-1-s1.binance.org:8545'),
+  ]),
+}
+
+// Wagmi Adapter for AppKit — WalletConnect Core is initialized here only once
+export const wagmiAdapter = new WagmiAdapter({
+  networks: mutableNetworks,
+  projectId,
+  connectors: [injected({ shimDisconnect: true })],
+  transports,
+})
+
+// Create AppKit modal
+createAppKit({
+  adapters: [wagmiAdapter],
+  networks: mutableNetworks,
+  projectId,
+  metadata: {
+    name: 'AssetX',
+    description: 'DeFi Asset Management Platform',
+    url: typeof window !== 'undefined' ? window.location.origin : 'https://assetx.io',
+    icons: ['/logo.svg'],
+  },
+  features: {
+    analytics: true,
+    email: false,
+    socials: [],
+    onramp: false,
+    swaps: false,
+  },
+  themeMode: 'light',
+  themeVariables: {
+    '--w3m-z-index': 9999,
+  },
+})
+
+// Use wagmiAdapter.wagmiConfig as the single source of truth
+export const config = wagmiAdapter.wagmiConfig