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-collateral-functions.js

@@ -0,0 +1,111 @@
+import { createPublicClient, http, getAddress } 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 = getAddress('0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D')
+const USER = getAddress('0xa013422A5918CD099C63c8CC35283EACa99a705d')
+const YT_A = getAddress('0x97204190B35D9895a7a47aa7BaC61ac08De3cF05')
+
+async function testFunction(name, abi, args) {
+  try {
+    const result = await client.readContract({
+      address: LENDING_PROXY,
+      abi: [abi],
+      functionName: name,
+      args: args
+    })
+    console.log(`✓ ${name} 成功:`, result)
+    return { success: true, result }
+  } catch (error) {
+    console.log(`✗ ${name} 失败:`, error.message.split('\n')[0])
+    return { success: false, error: error.message }
+  }
+}
+
+async function main() {
+  console.log('\n测试不同的抵押品查询函数...\n')
+  console.log('合约:', LENDING_PROXY)
+  console.log('用户:', USER)
+  console.log('抵押品:', YT_A, '\n')
+
+  // 测试 1: userCollateral (Compound V3 标准)
+  console.log('--- 测试 1: userCollateral(address, address) ---')
+  await testFunction('userCollateral', {
+    inputs: [
+      { name: 'account', type: 'address' },
+      { name: 'asset', type: 'address' }
+    ],
+    name: 'userCollateral',
+    outputs: [
+      { name: 'balance', type: 'uint128' },
+      { name: '_reserved', type: 'uint128' }
+    ],
+    stateMutability: 'view',
+    type: 'function'
+  }, [USER, YT_A])
+
+  // 测试 2: getUserCollateral
+  console.log('\n--- 测试 2: getUserCollateral(address, address) ---')
+  await testFunction('getUserCollateral', {
+    inputs: [
+      { name: '_user', type: 'address' },
+      { name: '_collateralAsset', type: 'address' }
+    ],
+    name: 'getUserCollateral',
+    outputs: [{ name: '', type: 'uint256' }],
+    stateMutability: 'view',
+    type: 'function'
+  }, [USER, YT_A])
+
+  // 测试 3: collateralBalanceOf
+  console.log('\n--- 测试 3: collateralBalanceOf(address, address) ---')
+  await testFunction('collateralBalanceOf', {
+    inputs: [
+      { name: 'account', type: 'address' },
+      { name: 'asset', type: 'address' }
+    ],
+    name: 'collateralBalanceOf',
+    outputs: [{ name: '', type: 'uint256' }],
+    stateMutability: 'view',
+    type: 'function'
+  }, [USER, YT_A])
+
+  // 测试 4: getUserAccountData
+  console.log('\n--- 测试 4: getUserAccountData(address) ---')
+  const result = await testFunction('getUserAccountData', {
+    inputs: [{ name: '_user', type: 'address' }],
+    name: 'getUserAccountData',
+    outputs: [
+      { name: 'totalCollateralValue', type: 'uint256' },
+      { name: 'totalBorrowValue', type: 'uint256' },
+      { name: 'availableToBorrow', type: 'uint256' },
+      { name: 'healthFactor', type: 'uint256' }
+    ],
+    stateMutability: 'view',
+    type: 'function'
+  }, [USER])
+
+  if (result.success) {
+    console.log('\n详细结果:')
+    console.log('  totalCollateralValue:', result.result[0].toString())
+    console.log('  totalBorrowValue:', result.result[1].toString())
+    console.log('  availableToBorrow:', result.result[2].toString())
+    console.log('  healthFactor:', result.result[3].toString())
+  }
+
+  // 测试 5: borrowBalanceOf (检查借款)
+  console.log('\n--- 测试 5: borrowBalanceOf(address) ---')
+  await testFunction('borrowBalanceOf', {
+    inputs: [{ name: 'account', type: 'address' }],
+    name: 'borrowBalanceOf',
+    outputs: [{ name: '', type: 'uint256' }],
+    stateMutability: 'view',
+    type: 'function'
+  }, [USER])
+}
+
+main()