feat: 添加多链支持和 Lending 借贷系统

- 新增 ARB Sepolia + BNB Testnet 多链支持
- 添加 LendingPanel 借贷系统组件
- 添加 LendingAdminPanel 管理面板
- 添加 USDCPanel USDC 操作组件
- 添加 HoldersPanel 持有人信息组件
- 添加 AutoTestPanel 自动化测试组件
- 重构 LP 组件为模块化结构 (LP/)
- 添加多个调试和测试脚本
- 修复 USDC 精度动态配置
- 优化合约配置支持多链切换

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/scripts/simulate-supply.js

@@ -0,0 +1,117 @@
+import { createPublicClient, http, parseEther } from 'viem'
+import { arbitrumSepolia } from 'viem/chains'
+
+const client = createPublicClient({
+  chain: arbitrumSepolia,
+  transport: http('https://api.zan.top/node/v1/arb/sepolia/baf84c429d284bb5b676cb8c9ca21c07')
+})
+
+const LENDING_PROXY = '0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D'
+const YT_A = '0x97204190B35D9895a7a47aa7BaC61ac08De3cF05'
+const USDC = '0x75faf114eafb1BDbe2F0316DF893fd58CE46AA4d'
+const USER = '0xa013422A5918CD099C63c8CC35283EACa99a705d'
+
+const LENDING_ABI = [
+  {
+    inputs: [
+      { internalType: 'address', name: 'asset', type: 'address' },
+      { internalType: 'uint256', name: 'amount', type: 'uint256' }
+    ],
+    name: 'supplyCollateral',
+    outputs: [],
+    stateMutability: 'nonpayable',
+    type: 'function'
+  },
+  {
+    inputs: [
+      { internalType: 'address', name: 'asset', type: 'address' }
+    ],
+    name: 'getAssetInfo',
+    outputs: [
+      { internalType: 'uint8', name: 'offset', type: 'uint8' },
+      { internalType: 'address', name: 'priceFeed', type: 'address' },
+      { internalType: 'uint64', name: 'scale', type: 'uint64' },
+      { internalType: 'uint64', name: 'borrowCollateralFactor', type: 'uint64' },
+      { internalType: 'uint64', name: 'liquidateCollateralFactor', type: 'uint64' },
+      { internalType: 'uint64', name: 'liquidationFactor', type: 'uint64' },
+      { internalType: 'uint128', name: 'supplyCap', type: 'uint128' }
+    ],
+    stateMutability: 'view',
+    type: 'function'
+  },
+  {
+    inputs: [],
+    name: 'baseToken',
+    outputs: [{ internalType: 'address', name: '', type: 'address' }],
+    stateMutability: 'view',
+    type: 'function'
+  }
+]
+
+async function main() {
+  console.log('\n模拟 supplyCollateral 调用...\n')
+
+  try {
+    // 先检查 Lending 合约能否读取到配置
+    console.log('=== 检查 Lending 合约状态 ===')
+    
+    const baseToken = await client.readContract({
+      address: LENDING_PROXY,
+      abi: LENDING_ABI,
+      functionName: 'baseToken'
+    })
+    
+    console.log('Lending.baseToken:', baseToken)
+    console.log('是否为 USDC:', baseToken.toLowerCase() === USDC.toLowerCase() ? '✓' : '✗')
+
+    // 检查资产信息
+    try {
+      const assetInfo = await client.readContract({
+        address: LENDING_PROXY,
+        abi: LENDING_ABI,
+        functionName: 'getAssetInfo',
+        args: [YT_A]
+      })
+      
+      console.log('\nLending.getAssetInfo(YT-A):')
+      console.log('  borrowCollateralFactor:', assetInfo[3].toString())
+      console.log('  liquidateCollateralFactor:', assetInfo[4].toString())
+      console.log('  supplyCap:', assetInfo[6].toString())
+    } catch (e) {
+      console.log('\n✗ getAssetInfo 失败:', e.shortMessage || e.message)
+    }
+
+    // 尝试模拟调用
+    console.log('\n=== 模拟 supplyCollateral 调用 ===')
+    const amount = parseEther('10')
+    
+    try {
+      await client.simulateContract({
+        address: LENDING_PROXY,
+        abi: LENDING_ABI,
+        functionName: 'supplyCollateral',
+        args: [YT_A, amount],
+        account: USER
+      })
+      console.log('✓ 模拟成功！理论上应该可以执行')
+    } catch (error) {
+      console.log('✗ 模拟失败:')
+      console.log('  错误类型:', error.name)
+      console.log('  错误信息:', error.shortMessage || error.message)
+      
+      if (error.cause) {
+        console.log('\n详细错误:')
+        console.log('  ', error.cause.message || error.cause)
+      }
+      
+      if (error.data) {
+        console.log('\n错误数据:', error.data)
+      }
+    }
+
+  } catch (error) {
+    console.error('\n意外错误:', error.message)
+  }
+}
+
+main()