Extend Chinese localization coverage to Host Manager components

- Added comprehensive translations for HostManagerHostViewer component
- Localized all host management UI text including import/export features
- Translated error messages and confirmation dialogs for host operations
- Added translations for HostManagerHostEditor validation messages
- Localized connection details, organization settings, and form labels
- Fixed syntax error in FileManagerOperations component
- Achieved near-complete localization of SSH host management interface
- Updated placeholders and tooltips for better user guidance

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

public/locales/zh/translation.json

@@ -100,6 +100,40 @@
   },
   "hosts": {
     "title": "主机管理",
+    "sshHosts": "SSH 主机",
+    "noHosts": "没有 SSH 主机",
+    "noHostsMessage": "您还没有添加任何 SSH 主机。点击\"添加主机\"开始使用。",
+    "loadingHosts": "加载主机中...",
+    "failedToLoadHosts": "加载主机失败",
+    "retry": "重试",
+    "refresh": "刷新",
+    "hostsCount": "{{count}} 个主机",
+    "importJson": "导入 JSON",
+    "importing": "导入中...",
+    "importJsonTitle": "从 JSON 导入 SSH 主机",
+    "importJsonDesc": "上传 JSON 文件以批量导入多个 SSH 主机（最多 100 个）。",
+    "downloadSample": "下载示例",
+    "formatGuide": "格式指南",
+    "uncategorized": "未分类",
+    "confirmDelete": "确定要删除 \"{{name}}\" 吗？",
+    "failedToDeleteHost": "删除主机失败",
+    "jsonMustContainHosts": "JSON 必须包含 \"hosts\" 数组或是一个主机数组",
+    "noHostsInJson": "JSON 文件中未找到主机",
+    "maxHostsAllowed": "每次导入最多允许 100 个主机",
+    "importCompleted": "导入完成：{{success}} 个成功，{{failed}} 个失败",
+    "importFailed": "导入失败",
+    "importError": "导入错误",
+    "failedToImportJson": "导入 JSON 文件失败",
+    "connectionDetails": "连接详情",
+    "organization": "组织",
+    "ipAddress": "IP 地址",
+    "port": "端口",
+    "hostName": "主机名",
+    "folder": "文件夹",
+    "tags": "标签",
+    "passwordRequired": "使用密码认证时需要密码",
+    "sshKeyRequired": "使用密钥认证时需要 SSH 私钥",
+    "keyTypeRequired": "使用密钥认证时需要密钥类型",
     "addHost": "添加主机",
     "editHost": "编辑主机",
     "deleteHost": "删除主机",