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/check-owner.js

@@ -0,0 +1,46 @@
+import { createPublicClient, http } from 'viem'
+import { arbitrumSepolia } from 'viem/chains'
+
+const client = createPublicClient({
+  chain: arbitrumSepolia,
+  transport: http('https://api.zan.top/node/v1/arb/sepolia/baf84c429d284bb5b676cb8c9ca21c07')
+})
+
+const CONFIGURATOR = '0x488409CE9A3Fcd8EbD373dCb7e025cF8AB96fcdc'
+const LENDING_PROXY = '0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D'
+
+const OWNER_ABI = [
+  {
+    inputs: [],
+    name: 'owner',
+    outputs: [{ internalType: 'address', name: '', type: 'address' }],
+    stateMutability: 'view',
+    type: 'function'
+  }
+]
+
+async function main() {
+  console.log('🔍 检查合约 owner...\n')
+
+  try {
+    const configuratorOwner = await client.readContract({
+      address: CONFIGURATOR,
+      abi: OWNER_ABI,
+      functionName: 'owner'
+    })
+
+    const lendingOwner = await client.readContract({
+      address: LENDING_PROXY,
+      abi: OWNER_ABI,
+      functionName: 'owner'
+    })
+
+    console.log('Configurator Owner:', configuratorOwner)
+    console.log('Lending Proxy Owner:', lendingOwner)
+
+  } catch (error) {
+    console.error('❌ 读取 owner 失败:', error.message)
+  }
+}
+
+main()