feat: 增强文档和监控功能

主要更新：
- 完善 README 文档，新增中文详细使用说明与监控中心介绍
- 优化 README.md 文档内容和格式，增加英文和中文文档切换链接
- 新增监控中心模块，支持请求日志、统计分析和模型管理
- 增强 AI 提供商配置页面，添加配置搜索功能
- 更新 .gitignore，移除无效注释和调整条目名称
- 删除 README_CN.md 文件，统一文档结构

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

package-lock.json

@@ -9,6 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@codemirror/lang-yaml": "^6.1.2",
+        "@tanstack/react-virtual": "^3.13.18",
         "@uiw/react-codemirror": "^4.25.3",
         "axios": "^1.13.2",
         "chart.js": "^4.5.1",
@@ -1867,6 +1868,33 @@
         "win32"
       ]
     },
+    "node_modules/@tanstack/react-virtual": {
+      "version": "3.13.18",
+      "resolved": "https://registry.npmjs.org/@tanstack/react-virtual/-/react-virtual-3.13.18.tgz",
+      "integrity": "sha512-dZkhyfahpvlaV0rIKnvQiVoWPyURppl6w4m9IwMDpuIjcJ1sD9YGWrt0wISvgU7ewACXx2Ct46WPgI6qAD4v6A==",
+      "license": "MIT",
+      "dependencies": {
+        "@tanstack/virtual-core": "3.13.18"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/@tanstack/virtual-core": {
+      "version": "3.13.18",
+      "resolved": "https://registry.npmjs.org/@tanstack/virtual-core/-/virtual-core-3.13.18.tgz",
+      "integrity": "sha512-Mx86Hqu1k39icq2Zusq+Ey2J6dDWTjDvEv43PJtRCoEYTLyfaPnxIQ6iy7YAOK0NV/qOEmZQ/uCufrppZxTgcg==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",