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/test-supply-with-trace.js

@@ -0,0 +1,67 @@
+import { createPublicClient, createWalletClient, http, parseEther } from 'viem'
+import { arbitrumSepolia } from 'viem/chains'
+import { privateKeyToAccount } from 'viem/accounts'
+
+const publicClient = createPublicClient({
+  chain: arbitrumSepolia,
+  transport: http('https://api.zan.top/node/v1/arb/sepolia/baf84c429d284bb5b676cb8c9ca21c07')
+})
+
+const LENDING_PROXY = '0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D'
+const YT_A = '0x97204190B35D9895a7a47aa7BaC61ac08De3cF05'
+
+const LENDING_ABI = [
+  {
+    inputs: [
+      { internalType: 'address', name: 'asset', type: 'address' },
+      { internalType: 'uint256', name: 'amount', type: 'uint256' }
+    ],
+    name: 'supplyCollateral',
+    outputs: [],
+    stateMutability: 'nonpayable',
+    type: 'function'
+  }
+]
+
+async function main() {
+  console.log('\n尝试捕获详细错误...\n')
+
+  try {
+    // 尝试估算 gas
+    const gasEstimate = await publicClient.estimateContractGas({
+      address: LENDING_PROXY,
+      abi: LENDING_ABI,
+      functionName: 'supplyCollateral',
+      args: [YT_A, parseEther('10')],
+      account: '0xa013422A5918CD099C63c8CC35283EACa99a705d'
+    })
+
+    console.log('✓ Gas 估算成功:', gasEstimate.toString())
+
+  } catch (error) {
+    console.log('✗ Gas 估算失败\n')
+    console.log('错误类型:', error.name)
+    console.log('错误消息:', error.shortMessage || error.message)
+    
+    if (error.cause) {
+      console.log('\n详细原因:')
+      console.log('  Reason:', error.cause.reason)
+      console.log('  Details:', error.cause.details)
+      
+      // 尝试解析 revert 原因
+      if (error.cause.data) {
+        console.log('  Raw Data:', error.cause.data)
+      }
+    }
+    
+    if (error.details) {
+      console.log('\n更多细节:', error.details)
+    }
+    
+    // 打印完整错误用于调试
+    console.log('\n=== 完整错误对象 ===')
+    console.log(JSON.stringify(error, null, 2))
+  }
+}
+
+main()