Fix RBAC role system bugs and improve UX

- Fix user list dropdown selection in host sharing
- Fix role sharing permissions to include role-based access
- Fix translation template interpolation for success messages
- Standardize system roles to admin and user only
- Auto-assign user role to new registrations
- Remove blocking confirmation dialogs in modal contexts
- Add missing i18n keys for common actions
- Fix button type to prevent unintended form submissions

src/locales/zh/translation.json

@@ -382,7 +382,10 @@
     "documentation": "文档",
     "retry": "重试",
     "checking": "检查中...",
-    "checkingDatabase": "正在检查数据库连接..."
+    "checkingDatabase": "正在检查数据库连接...",
+    "actions": "操作",
+    "remove": "移除",
+    "revoke": "撤销"
   },
   "nav": {
     "home": "首页",
@@ -1669,6 +1672,162 @@
     "ram": "内存",
     "notAvailable": "不可用"
   },
+  "rbac": {
+    "shareHost": "分享主机",
+    "shareHostTitle": "分享主机访问权限",
+    "shareHostDescription": "授予临时或永久访问此主机的权限",
+    "targetUser": "目标用户",
+    "selectUser": "选择要分享的用户",
+    "duration": "时长",
+    "durationHours": "时长（小时）",
+    "neverExpires": "永不过期",
+    "permissionLevel": "权限级别",
+    "permissionLevels": {
+      "readonly": "只读",
+      "readonlyDesc": "仅可查看，无法输入命令",
+      "restricted": "受限",
+      "restrictedDesc": "阻止危险命令（passwd、rm -rf等）",
+      "monitored": "监控",
+      "monitoredDesc": "记录所有命令但不阻止（推荐）",
+      "full": "完全访问",
+      "fullDesc": "无任何限制（不推荐）"
+    },
+    "blockedCommands": "阻止的命令",
+    "blockedCommandsPlaceholder": "输入要阻止的命令，如：passwd, rm, dd",
+    "maxSessionDuration": "最大会话时长（分钟）",
+    "createTempUser": "创建临时用户",
+    "createTempUserDesc": "在服务器上创建受限用户而不是共享您的凭据。需要sudo权限。最安全的选项。",
+    "expiresAt": "过期时间",
+    "expiresIn": "{{hours}}小时后过期",
+    "expired": "已过期",
+    "grantedBy": "授予者",
+    "accessLevel": "访问级别",
+    "lastAccessed": "最后访问",
+    "accessCount": "访问次数",
+    "revokeAccess": "撤销访问",
+    "confirmRevokeAccess": "确定要撤销{{username}}的访问权限吗？",
+    "hostSharedSuccessfully": "已成功与{{username}}分享主机",
+    "hostAccessUpdated": "主机访问已更新",
+    "failedToShareHost": "分享主机失败",
+    "accessRevokedSuccessfully": "访问权限已成功撤销",
+    "failedToRevokeAccess": "撤销访问失败",
+    "shared": "共享",
+    "sharedHosts": "共享主机",
+    "sharedWithMe": "与我共享",
+    "noSharedHosts": "没有与您共享的主机",
+    "owner": "所有者",
+    "viewAccessList": "查看访问列表",
+    "accessList": "访问列表",
+    "noAccessGranted": "此主机尚未授予任何访问权限",
+    "noAccessGrantedMessage": "还没有用户被授予此主机的访问权限",
+    "manageAccessFor": "管理访问权限",
+    "totalAccessRecords": "{{count}} 条访问记录",
+    "neverAccessed": "从未访问",
+    "timesAccessed": "{{count}} 次",
+    "daysRemaining": "{{days}} 天",
+    "hoursRemaining": "{{hours}} 小时",
+    "expired": "已过期",
+    "failedToFetchAccessList": "获取访问列表失败",
+    "currentAccess": "当前访问",
+    "securityWarning": "安全警告",
+    "securityWarningMessage": "分享凭据会让用户完全访问服务器并执行任何操作，包括更改密码和删除文件。仅与受信任的用户共享。",
+    "tempUserRecommended": "我们建议启用'创建临时用户'以获得更好的安全性。",
+    "roleManagement": "角色管理",
+    "assignRole": "分配角色",
+    "removeRole": "移除角色",
+    "userRoles": "用户角色",
+    "permissions": "权限",
+    "systemRole": "系统角色",
+    "customRole": "自定义角色",
+    "roleAssignedSuccessfully": "已成功为{{username}}分配角色",
+    "failedToAssignRole": "分配角色失败",
+    "roleRemovedSuccessfully": "已成功从{{username}}移除角色",
+    "failedToRemoveRole": "移除角色失败",
+    "cannotRemoveSystemRole": "无法移除系统角色",
+    "auditLogs": "审计日志",
+    "viewAuditLogs": "查看审计日志",
+    "action": "操作",
+    "resourceType": "资源类型",
+    "resourceName": "资源名称",
+    "timestamp": "时间戳",
+    "ipAddress": "IP地址",
+    "userAgent": "用户代理",
+    "success": "成功",
+    "failed": "失败",
+    "details": "详情",
+    "noAuditLogs": "无可用审计日志",
+    "sessionRecordings": "会话录制",
+    "viewRecording": "查看录制",
+    "downloadRecording": "下载录制",
+    "dangerousCommand": "检测到危险命令",
+    "commandBlocked": "命令已阻止",
+    "terminateSession": "终止会话",
+    "sessionTerminated": "会话已被主机所有者终止",
+    "sharedAccessExpired": "您对此主机的共享访问权限已过期",
+    "sharedAccessExpiresIn": "共享访问将在{{hours}}小时后过期",
+    "roles": {
+      "label": "角色",
+      "admin": "管理员",
+      "user": "用户"
+    },
+    "createRole": "创建角色",
+    "editRole": "编辑角色",
+    "roleName": "角色名称",
+    "displayName": "显示名称",
+    "description": "描述",
+    "assignRoles": "分配角色",
+    "userRoleAssignment": "用户角色分配",
+    "selectUserPlaceholder": "选择用户",
+    "currentRoles": "当前角色",
+    "noRolesAssigned": "未分配角色",
+    "assignNewRole": "分配新角色",
+    "selectRolePlaceholder": "选择角色",
+    "assign": "分配",
+    "roleCreatedSuccessfully": "角色创建成功",
+    "roleUpdatedSuccessfully": "角色更新成功",
+    "roleDeletedSuccessfully": "角色删除成功",
+    "failedToLoadRoles": "加载角色失败",
+    "failedToSaveRole": "保存角色失败",
+    "failedToDeleteRole": "删除角色失败",
+    "roleDisplayNameRequired": "角色显示名称是必需的",
+    "roleNameRequired": "角色名称是必需的",
+    "roleNameHint": "仅使用小写字母、数字、下划线和连字符",
+    "displayNamePlaceholder": "开发者",
+    "descriptionPlaceholder": "软件开发人员和工程师",
+    "confirmDeleteRole": "删除角色",
+    "confirmDeleteRoleDescription": "确定要删除角色'{{name}}'吗？此操作无法撤销。",
+    "confirmRemoveRole": "移除角色",
+    "confirmRemoveRoleDescription": "确定要从用户中移除此角色吗？",
+    "editRoleDescription": "更新角色信息",
+    "createRoleDescription": "创建新的自定义角色以分组用户",
+    "assignRolesDescription": "管理用户的角色分配",
+    "noRoles": "未找到角色",
+    "selectRole": "选择角色",
+    "type": "类型",
+    "user": "用户",
+    "role": "角色",
+    "saveHostFirst": "请先保存主机",
+    "saveHostFirstDescription": "请先保存主机后再配置分享设置。",
+    "shareWithUser": "与用户分享",
+    "shareWithRole": "与角色分享",
+    "share": "分享",
+    "target": "目标",
+    "expires": "过期时间",
+    "never": "永不",
+    "noAccessRecords": "未找到访问记录",
+    "sharedSuccessfully": "分享成功",
+    "failedToShare": "分享失败",
+    "confirmRevokeAccessDescription": "确定要撤销此访问权限吗？",
+    "hours": "小时",
+    "sharing": "分享",
+    "selectUserAndRole": "请选择用户和角色",
+    "view": "仅查看",
+    "viewDesc": "可以查看和连接主机，但仅限只读模式",
+    "use": "使用",
+    "useDesc": "可以正常使用主机，但不能修改主机配置",
+    "manage": "管理",
+    "manageDesc": "完全控制，包括修改主机配置和分享设置"
+  },
   "commandPalette": {
     "searchPlaceholder": "搜索主机或快速操作...",
     "recentActivity": "最近活动",