feat(admin-ui): members panel, invite links, audit tab and role-aware console

- New MembersPanel: role switching, add/remove members, invite-link
  generation with copy/revoke, pending invite list
- New Audit tab (AuditLog.vue) with group filter
- Role-aware UI: viewer hides route/group edit actions (RouteCard readonly),
  owner-only controls, role badge + member count on group cards
- GroupEditor: members managed via panel, owners field super-admin only
- en/zh i18n and CSS for the new panels

admin/composables/useI18n.ts

@@ -16,14 +16,45 @@ const en: Dict = {
   "login.button": "Sign in with GitHub",
   "tab.groups": "Groups",
   "tab.logs": "Send Logs",
+  "tab.audit": "Audit Log",
   "status.loading": "loading",
   "status.connected": "connected",
   "kpi.groups": "GROUPS",
   "kpi.routes": "ROUTES",
+  "role.owner": "Owner",
+  "role.admin": "Admin",
+  "role.viewer": "Viewer",
+  "role.badge": "You: {role}",
+  "roles.owner": "Owner",
+  "roles.admin": "Admin",
+  "roles.viewer": "Viewer",
+  "members.title": "Members",
+  "members.note": "(role: owner = full control · admin = edit routes · viewer = read-only)",
+  "members.empty": "No members yet — add the first owner or share an invite link.",
+  "members.add": "Add member",
+  "members.addPlaceholder": "GitHub login",
+  "members.addBtn": "Add",
+  "members.role": "Role",
+  "members.you": "(you)",
+  "members.remove": "Remove",
+  "members.invites": "Invite links",
+  "members.inviteNote": "(single-use · expires in 7 days)",
+  "members.inviteRole": "Invite as",
+  "members.createInvite": "Create invite link",
+  "members.copyLink": "Copy",
+  "members.copied": "Copied!",
+  "members.revoke": "Revoke",
+  "members.noInvites": "No pending invites.",
+  "members.errSelfOwner": "You must remain an owner of this group.",
+  "members.errOwner": "A group needs at least one owner.",
+  "members.errLastOwner": "Cannot remove the last owner.",
+  "members.inviteOk": "Invite accepted — welcome!",
+  "members.inviteBad": "This invite is invalid or expired.",
   "groups.empty": "No groups yet. Groups scope routes by org/user and delegate access.",
   "groups.createFirst": "Create your first group",
   "groups.admins": "ADMINS",
   "groups.owners": "OWNERS",
+  "groups.members": "MEMBERS",
   "groups.any": "any",
   "groups.open": "Open →",
   "group.back": "← Groups",
@@ -123,9 +154,13 @@ const en: Dict = {
   "groupEditor.adminsHint": "These users can view logs and edit this group's routes.",
   "groupEditor.owners": "Owner scope",
   "groupEditor.ownersNote": "(GitHub org / user logins, comma-separated)",
+  "groupEditor.ownersSuperOnly": "(only super admins may change)",
   "groupEditor.ownersPlaceholder": "my-org, some-user",
   "groupEditor.ownersHint":
     "Only webhook events from these orgs/users enter this group's routes. Leave empty for no restriction.",
+  "groupEditor.membersNote": "Members",
+  "groupEditor.membersHint": "(owner / admin / viewer)",
+  "groupEditor.membersGoPanel": "Manage members and invite links from the group page.",
   "groupEditor.providers": "Source platforms",
   "groupEditor.providersNote": "(leave both unchecked = all)",
   "groupEditor.providersHint":
@@ -162,6 +197,17 @@ const en: Dict = {
   "logs.detail": "Extra Info",
   "logs.filterGroup": "Group",
   "logs.allGroups": "All groups",
+  "audit.title": "AUDIT LOG",
+  "audit.empty": "No audit entries yet.",
+  "audit.time": "Time",
+  "audit.actor": "Actor",
+  "audit.action": "Action",
+  "audit.target": "Target",
+  "audit.group": "Group",
+  "audit.detail": "Detail",
+  "audit.filterGroup": "Group",
+  "audit.allGroups": "All groups",
+  "audit.refresh": "⟳ Refresh",
   "toast.routesSaved": "Routes saved",
   "toast.routeDeleted": "Route deleted",
   "toast.groupSaved": "Groups saved",
@@ -187,14 +233,43 @@ const zh: Dict = {
   "login.button": "使用 GitHub 登录",
   "tab.groups": "分组",
   "tab.logs": "发送日志",
+  "tab.audit": "审计日志",
   "status.loading": "加载中",
   "status.connected": "已连接",
   "kpi.groups": "分组",
   "kpi.routes": "路由",
-  "groups.empty": "还没有分组。分组按组织/用户限定路由并委派访问权限。",
-  "groups.createFirst": "创建第一个分组",
+  "role.owner": "拥有者",
+  "role.admin": "管理员",
+  "role.viewer": "只读",
+  "role.badge": "我的角色：{role}",
+  "roles.owner": "拥有者",
+  "roles.admin": "管理员",
+  "roles.viewer": "只读",
+  "members.title": "成员",
+  "members.note": "（角色：owner = 完全控制 · admin = 编辑路由 · viewer = 只读）",
+  "members.empty": "还没有成员 —— 添加第一位 owner 或分享邀请链接。",
+  "members.add": "添加成员",
+  "members.addPlaceholder": "GitHub 登录名",
+  "members.addBtn": "添加",
+  "members.role": "角色",
+  "members.you": "（我）",
+  "members.remove": "移除",
+  "members.invites": "邀请链接",
+  "members.inviteNote": "（一次性 · 7 天内有效）",
+  "members.inviteRole": "邀请为",
+  "members.createInvite": "生成邀请链接",
+  "members.copyLink": "复制",
+  "members.copied": "已复制！",
+  "members.revoke": "撤销",
+  "members.noInvites": "暂无待接受的邀请。",
+  "members.errSelfOwner": "你必须保留本组的 owner 身份。",
+  "members.errOwner": "分组至少需要一位 owner。",
+  "members.errLastOwner": "不能移除最后一位 owner。",
+  "members.inviteOk": "邀请已接受 —— 欢迎！",
+  "members.inviteBad": "该邀请无效或已过期。",
   "groups.admins": "管理员",
   "groups.owners": "来源",
+  "groups.members": "成员",
   "groups.any": "任意",
   "groups.open": "进入 →",
   "group.back": "← 返回分组",
@@ -293,9 +368,13 @@ const zh: Dict = {
   "groupEditor.adminsHint": "这些用户可以查看日志并编辑本分组的路由。",
   "groupEditor.owners": "来源限定",
   "groupEditor.ownersNote": "（GitHub 组织 / 用户登录名，逗号分隔）",
+  "groupEditor.ownersSuperOnly": "（仅超级管理员可修改）",
   "groupEditor.ownersPlaceholder": "my-org, some-user",
   "groupEditor.ownersHint":
     "只有来自这些组织/用户的 webhook 事件才会进入本分组的路由。留空表示不限制。",
+  "groupEditor.membersNote": "成员",
+  "groupEditor.membersHint": "（owner / admin / viewer）",
+  "groupEditor.membersGoPanel": "请在分组页面管理成员与邀请链接。",
   "groupEditor.providers": "来源平台",
   "groupEditor.providersNote": "（都不勾选 = 全部来源）",
   "groupEditor.providersHint":
@@ -332,6 +411,17 @@ const zh: Dict = {
   "logs.detail": "附加信息",
   "logs.filterGroup": "分组",
   "logs.allGroups": "全部分组",
+  "audit.title": "审计日志",
+  "audit.empty": "暂无审计记录。",
+  "audit.time": "时间",
+  "audit.actor": "操作者",
+  "audit.action": "动作",
+  "audit.target": "对象",
+  "audit.group": "分组",
+  "audit.detail": "详情",
+  "audit.filterGroup": "分组",
+  "audit.allGroups": "全部分组",
+  "audit.refresh": "⟳ 刷新",
   "toast.routesSaved": "路由已保存",
   "toast.routeDeleted": "路由已删除",
   "toast.groupSaved": "分组已保存",