diff --git a/hub/filelib-web/src/lib/GroupAdmin.svelte b/hub/filelib-web/src/lib/GroupAdmin.svelte
index 8eaea46..4577c88 100644
--- a/hub/filelib-web/src/lib/GroupAdmin.svelte
+++ b/hub/filelib-web/src/lib/GroupAdmin.svelte
@@ -1,78 +1,174 @@
 <script lang="ts">
+  /**
+   * Group 管理面板。从已删除的 routes/adminPanels.ts `renderGroupsPanel`(747 行)
+   * 迁来(ADR-0029),功能与视觉逐条对齐:折叠树 / 组名过滤(命中项保留祖先链)/
+   * 归档组展示与恢复 / 右键菜单 / 面包屑 / 统计条 / 成员表(头像·openId·加入时间)。
+   */
   import { onMount } from "svelte";
   import { api } from "./api.js";
   import { toastErr, toastOk } from "./stores.js";
-  import type { MemberGroupNode, MemberGroupMember } from "./types.js";
+  import type { MemberGroupNode, MemberGroupMember, UserSearchResult } from "./types.js";
   import Modal from "./Modal.svelte";
+  import Icon from "./Icon.svelte";
+  import Avatar from "./Avatar.svelte";
 
-  // 后端返回活跃组扁平列表(ADR-0028);前端按 parentId/depth 拼成有序树。
-  let groups = $state<MemberGroupNode[] | null>(null);
+  // 后端返回扁平列表(ADR-0028);前端按 parentId/depth 拼成有序树。
+  let groups = $state<MemberGroupNode[]>([]);
+  let loaded = $state(false);
   let listError = $state<string | null>(null);
   let selectedId = $state<string | null>(null);
 
-  let members = $state<MemberGroupMember[] | null>(null);
+  // 折叠的组 id(默认全展开)。用数组而非 Set:$state 的深层代理只跟踪普通对象/
+  // 数组,Set 的变更不会触发重渲染。
+  let collapsedIds = $state<string[]>([]);
+  const isCollapsed = (id: string): boolean => collapsedIds.includes(id);
+  const toggleCollapsed = (id: string): void => {
+    collapsedIds = isCollapsed(id) ? collapsedIds.filter((x) => x !== id) : [...collapsedIds, id];
+  };
+
+  let filterText = $state("");
+  let showArchived = $state(false);
+
+  let members = $state<MemberGroupMember[]>([]);
+  let membersLoaded = $state(false);
   let membersError = $state<string | null>(null);
+  let memberFilter = $state("");
 
-  // 新建组弹窗:parentId=null 建根,否则建子。
-  let showCreate = $state(false);
-  let createParentId = $state<string | null>(null);
-  let createParentName = $state<string | null>(null);
-  let newName = $state("");
-  let newDesc = $state("");
+  const selected = $derived(groups.find((g) => g.id === selectedId) ?? null);
+  const isArchived = $derived(selected?.archivedAt != null);
 
-  let addValue = $state("");
+  interface Row {
+    readonly g: MemberGroupNode;
+    readonly hasKids: boolean;
+    /** 过滤态下:自身是否命中(祖先链上的非命中项半透明显示)。 */
+    readonly hit: boolean;
+  }
 
-  const selected = $derived(groups?.find((g) => g.id === selectedId) ?? null);
-
-  /** 扁平列表按 parentId 排成先根遍历顺序(每项自带 depth,渲染时缩进)。 */
-  const ordered = $derived.by(() => {
-    if (groups === null) return [];
+  /** 扁平列表 → 先根遍历顺序;折叠的子树整段跳过。过滤时命中项的祖先链保留。 */
+  const rows = $derived.by((): Row[] => {
     const byParent = new Map<string | null, MemberGroupNode[]>();
+    const byId = new Map<string, MemberGroupNode>();
     for (const g of groups) {
+      byId.set(g.id, g);
       const arr = byParent.get(g.parentId) ?? [];
       arr.push(g);
       byParent.set(g.parentId, arr);
     }
-    for (const arr of byParent.values()) arr.sort((a, b) => a.name.localeCompare(b.name));
-    const out: MemberGroupNode[] = [];
+    for (const arr of byParent.values()) arr.sort((a, b) => a.name.localeCompare(b.name, "zh-CN"));
+
+    // 过滤:命中集 = 名字命中的组 ∪ 其全部祖先(否则命中的深层组无路径可展示)。
+    const q = filterText.trim().toLowerCase();
+    let keep: Set<string> | null = null;
+    if (q !== "") {
+      keep = new Set<string>();
+      for (const g of groups) {
+        if (!g.name.toLowerCase().includes(q)) continue;
+        let cur: MemberGroupNode | undefined = g;
+        while (cur !== undefined) {
+          keep.add(cur.id);
+          cur = cur.parentId === null ? undefined : byId.get(cur.parentId);
+        }
+      }
+    }
+
+    const out: Row[] = [];
     const walk = (parentId: string | null): void => {
       for (const g of byParent.get(parentId) ?? []) {
-        out.push(g);
-        walk(g.id);
+        if (keep !== null && !keep.has(g.id)) continue;
+        const kids = (byParent.get(g.id) ?? []).filter((k) => keep === null || keep.has(k.id));
+        out.push({ g, hasKids: kids.length > 0, hit: q === "" || g.name.toLowerCase().includes(q) });
+        // 过滤态下强制展开(否则命中项被折叠的祖先藏住)。
+        if (keep !== null || !isCollapsed(g.id)) walk(g.id);
       }
     };
     walk(null);
-    // 兜底:孤儿(父已不在活跃列表,理论上级联软删不会出现)也列出。
-    const seen = new Set(out.map((g) => g.id));
-    for (const g of groups) if (!seen.has(g.id)) out.push(g);
+    // 兜底:父不在列表的孤儿(级联软删理论上不产生)也列出,避免"看不见"。
+    const seen = new Set(out.map((r) => r.g.id));
+    for (const g of groups) {
+      if (seen.has(g.id)) continue;
+      if (keep !== null && !keep.has(g.id)) continue;
+      out.push({ g, hasKids: false, hit: true });
+    }
     return out;
   });
 
+  const treeFoot = $derived.by(() => {
+    const active = groups.filter((g) => g.archivedAt === null);
+    const archivedN = groups.length - active.length;
+    const totalMembers = active.reduce((n, g) => n + g.memberCount, 0);
+    return (
+      `${active.length} 个活跃组 · ${totalMembers} 条成员关系` +
+      (archivedN > 0 ? ` · ${archivedN} 个已删除` : "")
+    );
+  });
+
+  /** 面包屑:祖先链(根在前,自身在末)。 */
+  const chain = $derived.by((): MemberGroupNode[] => {
+    if (selected === null) return [];
+    const byId = new Map(groups.map((g) => [g.id, g]));
+    const out: MemberGroupNode[] = [];
+    for (let cur: MemberGroupNode | undefined = selected; cur !== undefined; ) {
+      out.unshift(cur);
+      cur = cur.parentId === null ? undefined : byId.get(cur.parentId);
+    }
+    return out;
+  });
+
+  const childCount = $derived(groups.filter((g) => g.parentId === selectedId).length);
+
+  const shownMembers = $derived.by(() => {
+    const q = memberFilter.trim().toLowerCase();
+    if (q === "") return members;
+    return members.filter(
+      (m) =>
+        m.displayName.toLowerCase().includes(q) ||
+        m.userId.toLowerCase().includes(q) ||
+        m.feishuOpenId.toLowerCase().includes(q),
+    );
+  });
+
+  function fmtDate(iso: string): string {
+    try {
+      return new Date(iso).toLocaleString("zh-CN", { dateStyle: "medium", timeStyle: "short" });
+    } catch {
+      return iso;
+    }
+  }
+
+  const errText = (e: unknown): string => (e instanceof Error ? e.message : String(e));
+
   async function loadGroups(): Promise<void> {
     try {
-      const r = await api<{ groups: MemberGroupNode[] }>("/database/api/groups");
+      const r = await api<{ groups: MemberGroupNode[] }>(
+        `/database/api/groups${showArchived ? "?includeArchived=1" : ""}`,
+      );
       groups = r.groups;
       listError = null;
+      loaded = true;
       if (selectedId !== null && !groups.some((g) => g.id === selectedId)) {
         selectedId = null;
-        members = null;
+        members = [];
+        membersLoaded = false;
       }
     } catch (e) {
-      listError = e instanceof Error ? e.message : String(e);
+      listError = errText(e);
+      loaded = true;
     }
   }
 
   async function loadMembers(): Promise<void> {
     if (selectedId === null) return;
-    members = null;
+    membersLoaded = false;
     membersError = null;
     try {
       const r = await api<{ members: MemberGroupMember[] }>(
         `/database/api/groups/${encodeURIComponent(selectedId)}/members`,
       );
       members = r.members;
+      membersLoaded = true;
     } catch (e) {
-      membersError = e instanceof Error ? e.message : String(e);
+      membersError = errText(e);
+      membersLoaded = true;
     }
   }
 
@@ -80,12 +176,77 @@
 
   function select(id: string): void {
     selectedId = id;
+    memberFilter = "";
     void loadMembers();
   }
 
+  async function toggleArchived(): Promise<void> {
+    showArchived = !showArchived;
+    await loadGroups();
+  }
+
+  /* ---------------- 右键菜单 ---------------- */
+
+  interface MenuItem {
+    readonly label?: string;
+    readonly ic?: import("./Icon.svelte").IconName;
+    readonly danger?: boolean;
+    readonly sep?: boolean;
+    readonly fn?: () => void;
+  }
+
+  let menu = $state<{ x: number; y: number; items: MenuItem[] } | null>(null);
+
+  function openMenu(e: MouseEvent, target: MemberGroupNode | null): void {
+    e.preventDefault();
+    // 已归档组:只给「恢复」—— 归档态下不允许建子组/加成员/改名(后端亦 404 兜底)。
+    const items: MenuItem[] =
+      target === null
+        ? [{ label: "新建根 Group", ic: "plus", fn: () => openCreate(null) }]
+        : target.archivedAt !== null
+          ? [
+              { label: "查看成员(只读)", ic: "users", fn: () => select(target.id) },
+              { label: "恢复此 Group", ic: "restore", fn: () => void restoreGroup(target) },
+              { sep: true },
+              { label: "新建根 Group", ic: "layers", fn: () => openCreate(null) },
+            ]
+          : [
+              { label: "新建子 Group", ic: "plus", fn: () => openCreate(target) },
+              { label: "添加成员", ic: "user", fn: () => { select(target.id); openAddMember(); } },
+              { label: "重命名 / 改描述", ic: "pencil", fn: () => openRename(target) },
+              { sep: true },
+              { label: "新建根 Group", ic: "layers", fn: () => openCreate(null) },
+              { label: "删除(级联子树)", ic: "trash", danger: true, fn: () => void deleteGroup(target) },
+            ];
+    // 贴边翻转,避免菜单溢出视口(菜单宽 184、每项约 34)。
+    const w = 184;
+    const h = items.reduce((n, it) => n + (it.sep === true ? 9 : 34), 10);
+    menu = {
+      x: Math.min(e.clientX, window.innerWidth - w - 8),
+      y: Math.min(e.clientY, window.innerHeight - h - 8),
+      items,
+    };
+  }
+
+  /* ---------------- 弹窗 ---------------- */
+
+  let showCreate = $state(false);
+  let createParent = $state<MemberGroupNode | null>(null);
+  let newName = $state("");
+  let newDesc = $state("");
+
+  let showRename = $state(false);
+  let renameTarget = $state<MemberGroupNode | null>(null);
+  let editName = $state("");
+  let editDesc = $state("");
+
+  let showAdd = $state(false);
+  let addQuery = $state("");
+  let addResults = $state<UserSearchResult[]>([]);
+  let addSearching = $state(false);
+
   function openCreate(parent: MemberGroupNode | null): void {
-    createParentId = parent?.id ?? null;
-    createParentName = parent?.name ?? null;
+    createParent = parent;
     newName = "";
     newDesc = "";
     showCreate = true;
@@ -93,188 +254,509 @@
 
   async function createGroup(): Promise<void> {
     const name = newName.trim();
-    if (name === "") return;
+    if (name === "") {
+      toastErr("名称必填");
+      return;
+    }
+    const parentId = createParent?.id ?? null;
     try {
       await api("/database/api/groups", {
         method: "POST",
-        body: {
-          name,
-          parentId: createParentId,
-          ...(newDesc.trim() !== "" ? { description: newDesc.trim() } : {}),
-        },
+        body: { name, parentId, ...(newDesc.trim() !== "" ? { description: newDesc.trim() } : {}) },
       });
-      toastOk("已创建成员组");
       showCreate = false;
+      // 建完自动展开父节点,否则新子组藏在折叠的父下面看不见。
+      if (parentId !== null) collapsedIds = collapsedIds.filter((x) => x !== parentId);
+      toastOk("已创建成员组");
       await loadGroups();
     } catch (e) {
-      toastErr(e instanceof Error ? e.message : String(e));
+      toastErr(errText(e));
+    }
+  }
+
+  function openRename(g: MemberGroupNode): void {
+    renameTarget = g;
+    editName = g.name;
+    editDesc = g.description ?? "";
+    showRename = true;
+  }
+
+  async function saveRename(): Promise<void> {
+    if (renameTarget === null) return;
+    const name = editName.trim();
+    if (name === "") {
+      toastErr("名称必填");
+      return;
+    }
+    try {
+      // description 总是回传(含空串)—— 空串即清除描述(ADR-0028 决策6)。
+      await api(`/database/api/groups/${encodeURIComponent(renameTarget.id)}`, {
+        method: "PATCH",
+        body: { name, description: editDesc.trim() },
+      });
+      showRename = false;
+      toastOk("已保存");
+      await loadGroups();
+    } catch (e) {
+      toastErr(errText(e));
     }
   }
 
   async function deleteGroup(g: MemberGroupNode): Promise<void> {
-    if (!confirm(`删除「${g.name}」?其整棵子树将一并归档,相关授权立即失效。`)) return;
+    if (
+      !confirm(
+        `删除「${g.name}」?\n\n软删除:整棵子树一并标记删除,相关授权立即失效,` +
+          "但数据保留 —— 可在左侧打开「显示已删除的组」后恢复。",
+      )
+    )
+      return;
     try {
       const r = await api<{ archivedCount: number }>(
         `/database/api/groups/${encodeURIComponent(g.id)}`,
         { method: "DELETE" },
       );
-      toastOk(`已归档 ${r.archivedCount} 个组`);
-      if (selectedId === g.id) { selectedId = null; members = null; }
+      if (selectedId === g.id && !showArchived) {
+        selectedId = null;
+        members = [];
+        membersLoaded = false;
+      }
+      toastOk(`已删除 ${r.archivedCount} 个组(软删除,可恢复)`);
       await loadGroups();
+      if (selectedId === g.id) await loadMembers();
     } catch (e) {
-      toastErr(e instanceof Error ? e.message : String(e));
+      toastErr(errText(e));
     }
   }
 
-  async function addMember(): Promise<void> {
-    const v = addValue.trim();
-    if (v === "" || selectedId === null) return;
+  async function restoreGroup(g: MemberGroupNode): Promise<void> {
+    // 恢复语义与删除不对称(ADR-0028 决策7):只回该组 + 已归档祖先链,子树仍归档。
+    if (
+      !confirm(
+        `恢复「${g.name}」?\n\n其已删除的上级会一并恢复(否则它在树上无路径);` +
+          "子组保持删除状态,需各自恢复。恢复后该组的授权立即重新生效。",
+      )
+    )
+      return;
     try {
-      // ou_ 开头当飞书 openId,其余当 userId(与 hub 现有习惯一致)。
-      const body = v.startsWith("ou_") ? { feishuOpenId: v } : { userId: v };
-      await api(`/database/api/groups/${encodeURIComponent(selectedId)}/members`, {
-        method: "POST",
-        body,
-      });
-      addValue = "";
-      toastOk("已添加成员");
-      await Promise.all([loadMembers(), loadGroups()]);
+      const r = await api<{ restoredCount: number }>(
+        `/database/api/groups/${encodeURIComponent(g.id)}/restore`,
+        { method: "POST" },
+      );
+      toastOk(`已恢复 ${r.restoredCount} 个组`);
+      await loadGroups();
+      if (selectedId === g.id) await loadMembers();
     } catch (e) {
-      toastErr(e instanceof Error ? e.message : String(e));
+      toastErr(errText(e));
     }
   }
 
-  async function removeMember(userId: string): Promise<void> {
+  function openAddMember(): void {
+    addQuery = "";
+    addResults = [];
+    showAdd = true;
+  }
+
+  /** 成员选择器:搜全局用户,excludeGroupId 过滤掉本组已有成员。 */
+  async function searchUsers(): Promise<void> {
+    if (selectedId === null) return;
+    addSearching = true;
+    try {
+      const r = await api<{ users: UserSearchResult[] }>(
+        `/database/api/users/search?q=${encodeURIComponent(addQuery.trim())}` +
+          `&excludeGroupId=${encodeURIComponent(selectedId)}`,
+      );
+      addResults = r.users;
+    } catch (e) {
+      toastErr(errText(e));
+    } finally {
+      addSearching = false;
+    }
+  }
+
+  async function addMember(userId: string): Promise<void> {
     if (selectedId === null) return;
+    try {
+      await api(`/database/api/groups/${encodeURIComponent(selectedId)}/members`, {
+        method: "POST",
+        body: { userId },
+      });
+      toastOk("已添加成员");
+      addResults = addResults.filter((u) => u.userId !== userId);
+      await Promise.all([loadMembers(), loadGroups()]);
+    } catch (e) {
+      toastErr(errText(e));
+    }
+  }
+
+  async function removeMember(m: MemberGroupMember): Promise<void> {
+    if (selectedId === null) return;
+    if (!confirm(`将「${m.displayName || m.userId}」移出本组?其经由本组获得的授权立即失效。`)) return;
     try {
       await api(
-        `/database/api/groups/${encodeURIComponent(selectedId)}/members/${encodeURIComponent(userId)}`,
+        `/database/api/groups/${encodeURIComponent(selectedId)}/members/${encodeURIComponent(m.userId)}`,
         { method: "DELETE" },
       );
       toastOk("已移除成员");
       await Promise.all([loadMembers(), loadGroups()]);
     } catch (e) {
-      toastErr(e instanceof Error ? e.message : String(e));
+      toastErr(errText(e));
     }
   }
 </script>
 
-<div class="flex h-full">
-  <!-- 左栏:嵌套组树 -->
-  <aside class="flex w-[340px] shrink-0 flex-col border-r border-line-soft bg-sidebar">
-    <div class="flex items-center justify-between border-b border-line-soft px-4 py-3.5">
-      <span class="text-[15px] font-semibold text-ink">Group 管理</span>
-      <button
-        class="rounded-lg border border-line bg-panel px-2.5 py-1 text-[11.5px] font-medium text-ink transition hover:bg-hover"
-        onclick={() => openCreate(null)}
-      >
-        + 根 Group
+<svelte:window
+  onclick={() => (menu = null)}
+  onkeydown={(e) => {
+    if (e.key === "Escape") menu = null;
+  }}
+/>
+
+<div class="flex h-full min-h-0 items-stretch gap-3.5">
+  <!-- 左:组树 -->
+  <div class="panel flex w-[326px] shrink-0 flex-col !p-3.5" style="min-height:0">
+    <div class="mb-2.5 flex items-center gap-2">
+      <span class="flex text-accent"><Icon name="layers" size={17} /></span>
+      <div class="section-title flex-1">Group 树</div>
+      <button class="btn btn-sm" onclick={() => openCreate(null)}>
+        <Icon name="plus" size={13} /> 根组
       </button>
     </div>
 
-    <div class="flex-1 overflow-y-auto px-2 py-2 text-[13px]">
-      {#if groups === null}
-        <div class="px-3 py-6 text-center text-xs text-ink-3">加载中…</div>
-      {:else if listError}
+    <div class="relative mb-2">
+      <span class="pointer-events-none absolute left-[9px] top-1/2 flex -translate-y-1/2 text-ink-3">
+        <Icon name="search" size={13} />
+      </span>
+      <input class="input !pl-7 !text-[12.5px]" placeholder="过滤组名…" bind:value={filterText} />
+    </div>
+
+    <label class="switch mb-2.5 text-[11.5px] text-ink-3">
+      <input type="checkbox" checked={showArchived} onchange={toggleArchived} />
+      <span></span>
+      显示已删除的组
+    </label>
+
+    <!-- 树空白处右键 = 建根组 -->
+    <div
+      class="-mx-1.5 min-h-0 flex-1 overflow-y-auto"
+      role="tree"
+      tabindex="-1"
+      oncontextmenu={(e) => {
+        if ((e.target as HTMLElement).closest("[data-node]") !== null) return;
+        openMenu(e, null);
+      }}
+    >
+      {#if !loaded}
+        <div class="quiet px-3 py-6 text-center">加载中…</div>
+      {:else if listError !== null}
         <div class="px-3 py-6 text-center text-xs text-danger">{listError}</div>
-      {:else if ordered.length === 0}
-        <div class="px-3 py-6 text-center text-xs text-ink-3">暂无成员组 · 点上方「+ 根 Group」开始</div>
+      {:else if groups.length === 0}
+        <div class="quiet flex flex-col items-center gap-2 px-3 py-[22px] text-center">
+          <span class="flex text-line"><Icon name="layers" size={30} /></span>
+          暂无成员组 · 点上方「根组」开始
+        </div>
+      {:else if rows.length === 0}
+        <div class="quiet px-3 py-[22px] text-center">无匹配的组</div>
       {:else}
-        {#each ordered as g (g.id)}
+        {#each rows as { g, hasKids, hit } (g.id)}
+          {@const arch = g.archivedAt !== null}
           <div
-            class="group flex items-center gap-1.5 rounded-lg py-1.5 pr-1.5 transition hover:bg-hover"
+            data-node
+            class="flex cursor-pointer select-none items-center gap-1.5 rounded-lg py-1.5 pr-2 text-[13px]"
             class:bg-selected={selectedId === g.id}
-            style="padding-left: {8 + g.depth * 16}px"
+            class:opacity-50={!hit}
+            style="padding-left: {8 + g.depth * 15}px"
+            role="treeitem"
+            aria-selected={selectedId === g.id}
+            tabindex="-1"
+            onclick={() => select(g.id)}
+            onkeydown={(e) => {
+              if (e.key === "Enter" || e.key === " ") {
+                e.preventDefault();
+                select(g.id);
+              }
+            }}
+            oncontextmenu={(e) => openMenu(e, g)}
           >
-            <button class="flex min-w-0 flex-1 items-center gap-2 text-left" onclick={() => select(g.id)}>
-              <span class="truncate font-medium text-ink">{g.name}</span>
-              <span class="shrink-0 text-[11px] text-ink-3">{g.memberCount}</span>
-            </button>
-            <button
-              class="shrink-0 rounded px-1.5 py-0.5 text-[15px] leading-none text-ink-3 opacity-0 transition hover:bg-panel hover:text-ink group-hover:opacity-100"
-              title="在此下新建子 Group"
-              onclick={() => openCreate(g)}
-            >+</button>
-            <button
-              class="shrink-0 rounded px-1.5 py-0.5 text-[11px] leading-none text-ink-3 opacity-0 transition hover:text-danger group-hover:opacity-100"
-              title="删除(级联归档子树)"
-              onclick={() => deleteGroup(g)}
-            >删除</button>
+            {#if hasKids}
+              <span
+                class="flex w-[15px] shrink-0 justify-center text-ink-3 transition-transform"
+                class:rotate-90={!(isCollapsed(g.id) && filterText.trim() === "")}
+                role="button"
+                tabindex="-1"
+                aria-label="折叠 / 展开"
+                onclick={(e) => {
+                  e.stopPropagation();
+                  toggleCollapsed(g.id);
+                }}
+                onkeydown={(e) => {
+                  if (e.key === "Enter") toggleCollapsed(g.id);
+                }}
+              >
+                <Icon name="chevron" size={13} />
+              </span>
+            {:else}
+              <span class="inline-block w-[15px] shrink-0"></span>
+            {/if}
+
+            <span class="flex" class:text-accent={selectedId === g.id && !arch} class:text-ink-3={arch || selectedId !== g.id}>
+              <Icon name={arch ? "archive" : "group"} size={15} />
+            </span>
+            <span class="flex-1 truncate" class:text-ink-3={arch} class:line-through={arch}>{g.name}</span>
+            <span class="tag shrink-0" class:opacity-70={arch}>
+              <Icon name="user" size={10} />{g.memberCount}
+            </span>
+            {#if arch}
+              <span class="tag shrink-0 !text-[10px] opacity-85">已删除</span>
+            {/if}
           </div>
         {/each}
       {/if}
     </div>
-  </aside>
 
-  <!-- 右栏:成员管理 -->
-  <main class="flex-1 overflow-y-auto p-6">
+    <div class="section-note mt-2 border-t border-line-soft pt-2">{loaded ? treeFoot : ""}</div>
+  </div>
+
+  <!-- 右:成员表 -->
+  <div class="panel flex min-h-0 min-w-0 flex-1 flex-col !p-0">
     {#if selected === null}
-      <div class="flex h-full items-center justify-center text-[13px] text-ink-3">从左侧选择一个 Group 查看成员</div>
+      <div class="quiet m-auto flex flex-col items-center gap-2.5 p-7 text-center">
+        <span class="flex text-line"><Icon name="users" size={40} /></span>
+        从左侧选择一个 Group 查看成员
+      </div>
     {:else}
-      <div class="mb-1 text-[17px] font-semibold text-ink">{selected.name}</div>
-      {#if selected.description}
-        <p class="mb-4 text-[12.5px] text-ink-2">{selected.description}</p>
-      {:else}
-        <div class="mb-4"></div>
+      {#if isArchived}
+        <!-- 归档横幅:软删除是"打标",数据仍在,只是不再贡献权限。 -->
+        <div
+          class="flex shrink-0 items-center gap-2.5 border-b border-line-soft bg-hover px-[18px] py-2.5 text-[12.5px]"
+        >
+          <span class="flex text-ink-3"><Icon name="archive" size={15} /></span>
+          <span class="flex-1">
+            此 Group 已删除于 {fmtDate(selected.archivedAt ?? "")} · 成员只读,不再授予任何权限
+          </span>
+          <button class="btn !text-xs" onclick={() => void restoreGroup(selected)}>
+            <Icon name="restore" size={13} /> 恢复
+          </button>
+        </div>
       {/if}
 
-      <div class="mb-4 flex items-end gap-2">
-        <div class="flex-1">
-          <label class="mb-1 block text-[11.5px] text-ink-3" for="add-member">添加成员(userId 或飞书 openId)</label>
-          <input
-            id="add-member"
-            class="w-full rounded-lg border border-line bg-panel px-3 py-2 text-[13px] outline-none focus:border-accent"
-            bind:value={addValue}
-            placeholder="userId 或 ou_ 开头的 openId"
-            onkeydown={(e) => { if (e.key === "Enter") void addMember(); }}
-          />
+      <div class="shrink-0 border-b border-line-soft px-[18px] pb-3 pt-4">
+        <div class="mb-1.5 text-xs">
+          {#each chain as c, i (c.id)}
+            {#if i > 0}<span class="mx-[5px] text-ink-3">/</span>{/if}
+            <span class={i === chain.length - 1 ? "font-medium text-ink" : "text-ink-3"}>{c.name}</span>
+          {/each}
+        </div>
+
+        <div class="flex items-center gap-2.5">
+          <span class="flex" class:text-ink-3={isArchived} class:text-accent={!isArchived}>
+            <Icon name={isArchived ? "archive" : "group"} size={20} />
+          </span>
+          <div class="min-w-0 flex-1">
+            <div class="text-base font-semibold" class:text-ink-3={isArchived}>{selected.name}</div>
+            {#if selected.description !== null && selected.description !== ""}
+              <div class="section-note mt-0.5">{selected.description}</div>
+            {:else}
+              <div class="section-note mt-0.5 opacity-60">无描述</div>
+            {/if}
+          </div>
+          <!-- 归档态不给改名/加成员入口(后端 requireActiveGroup 亦 404 兜底)。 -->
+          {#if !isArchived}
+            <button class="btn !text-xs" onclick={() => openRename(selected)}>
+              <Icon name="pencil" size={13} /> 编辑
+            </button>
+            <button class="btn btn-primary !text-xs" onclick={openAddMember}>
+              <Icon name="plus" size={13} /> 添加成员
+            </button>
+          {/if}
+        </div>
+
+        <div class="mt-3 flex gap-4 text-xs text-ink-3">
+          <span class="inline-flex items-center gap-1"><Icon name="user" size={12} />{members.length} 名成员</span>
+          <span class="inline-flex items-center gap-1"><Icon name="layers" size={12} />层级 {selected.depth}</span>
+          <span class="inline-flex items-center gap-1"><Icon name="group" size={12} />{childCount} 个子组</span>
         </div>
-        <button
-          class="rounded-lg bg-accent px-3.5 py-2 text-[12.5px] font-medium text-white transition hover:bg-accent-hover"
-          onclick={addMember}
-        >添加</button>
       </div>
 
-      <div class="rounded-xl border border-line-soft bg-panel">
-        <div class="border-b border-line-soft px-4 py-2.5 text-[12.5px] font-semibold text-ink">
-          成员 {members === null ? "" : `(${members.length})`}
+      <div class="flex shrink-0 items-center gap-2.5 px-[18px] py-2.5">
+        <div class="relative max-w-[280px] flex-1">
+          <span class="pointer-events-none absolute left-[9px] top-1/2 flex -translate-y-1/2 text-ink-3">
+            <Icon name="search" size={13} />
+          </span>
+          <input class="input !pl-7 !text-[12.5px]" placeholder="搜索成员…" bind:value={memberFilter} />
         </div>
-        {#if members === null}
-          <div class="px-4 py-6 text-center text-xs text-ink-3">加载中…</div>
-        {:else if membersError}
-          <div class="px-4 py-6 text-center text-xs text-danger">{membersError}</div>
+        <span class="file-meta">
+          {memberFilter.trim() === "" ? "" : `${shownMembers.length} / ${members.length}`}
+        </span>
+      </div>
+
+      <div class="min-h-0 flex-1 overflow-y-auto px-[18px] pb-[18px]">
+        {#if !membersLoaded}
+          <div class="quiet px-3 py-9 text-center">加载中…</div>
+        {:else if membersError !== null}
+          <div class="px-3 py-9 text-center text-xs text-danger">{membersError}</div>
         {:else if members.length === 0}
-          <div class="px-4 py-6 text-center text-xs text-ink-3">暂无成员</div>
+          <div class="quiet flex flex-col items-center gap-2.5 px-3 py-9 text-center">
+            <span class="flex text-line"><Icon name="users" size={34} /></span>
+            {isArchived ? "此组无成员记录" : "此组暂无成员 · 点右上「添加成员」"}
+          </div>
+        {:else if shownMembers.length === 0}
+          <div class="quiet px-3 py-[30px] text-center">无匹配成员</div>
         {:else}
-          {#each members as m (m.userId)}
-            <div class="flex items-center gap-3 border-b border-line-soft px-4 py-2.5 text-[13px] last:border-b-0">
-              <span class="text-ink">{m.displayName}</span>
-              <span class="truncate font-mono text-[11px] text-ink-3">{m.userId}</span>
-              <button
-                class="ml-auto shrink-0 rounded px-1.5 py-0.5 text-[11.5px] text-ink-3 transition hover:text-danger"
-                onclick={() => removeMember(m.userId)}
-              >移除</button>
-            </div>
-          {/each}
+          <table class="list">
+            <thead>
+              <tr>
+                <th>成员</th>
+                <th>userId</th>
+                <th>飞书 openId</th>
+                <th>加入时间</th>
+                {#if !isArchived}<th class="!text-right">操作</th>{/if}
+              </tr>
+            </thead>
+            <tbody>
+              {#each shownMembers as m (m.userId)}
+                <tr>
+                  <td>
+                    <span class="inline-flex items-center gap-2.5">
+                      <Avatar displayName={m.displayName} userId={m.userId} avatarUrl={m.avatarUrl} size={28} />
+                      <span class="font-medium">{m.displayName || "(未命名)"}</span>
+                    </span>
+                  </td>
+                  <td class="file-meta">{m.userId}</td>
+                  <td class="file-meta">{m.feishuOpenId || "—"}</td>
+                  <td class="file-meta">{fmtDate(m.joinedAt)}</td>
+                  {#if !isArchived}
+                    <td class="text-right">
+                      <button class="link-danger inline-flex items-center gap-1" onclick={() => void removeMember(m)}>
+                        <Icon name="minus" size={12} /> 移除
+                      </button>
+                    </td>
+                  {/if}
+                </tr>
+              {/each}
+            </tbody>
+          </table>
         {/if}
       </div>
     {/if}
-  </main>
+  </div>
 </div>
 
+<!-- 右键菜单 -->
+{#if menu !== null}
+  <div
+    class="fixed z-[60] min-w-[184px] rounded-[10px] border border-line bg-panel p-[5px] text-[13px] shadow-[0_4px_20px_rgba(26,26,24,.07)]"
+    style="left:{menu.x}px;top:{menu.y}px"
+    role="menu"
+    tabindex="-1"
+  >
+    {#each menu.items as it, i (i)}
+      {#if it.sep === true}
+        <div class="mx-1.5 my-1 h-px bg-line-soft"></div>
+      {:else}
+        <div
+          class="flex cursor-pointer items-center gap-2 rounded-md px-[11px] py-[7px] hover:bg-hover"
+          class:text-danger={it.danger === true}
+          role="menuitem"
+          tabindex="-1"
+          onclick={(e) => {
+            e.stopPropagation();
+            menu = null;
+            it.fn?.();
+          }}
+          onkeydown={(e) => {
+            if (e.key === "Enter") {
+              menu = null;
+              it.fn?.();
+            }
+          }}
+        >
+          {#if it.ic !== undefined}<span class="flex opacity-75"><Icon name={it.ic} size={14} /></span>{/if}
+          {it.label}
+        </div>
+      {/if}
+    {/each}
+  </div>
+{/if}
+
 {#if showCreate}
-  <Modal title={createParentName === null ? "新建根 Group" : `在「${createParentName}」下新建子 Group`} onclose={() => (showCreate = false)}>
-    <div class="mb-3">
-      <label class="mb-1 block text-[11.5px] text-ink-3" for="g-name">名称</label>
-      <input id="g-name" class="w-full rounded-lg border border-line bg-panel px-3 py-2 text-[13px] outline-none focus:border-accent" bind:value={newName} placeholder="例如:物理教研组" />
+  <Modal
+    title={createParent === null ? "新建根 Group" : `在「${createParent.name}」下新建子 Group`}
+    onclose={() => (showCreate = false)}
+  >
+    <div class="form-row">
+      <label class="form-label" for="gc-name">名称</label>
+      <input id="gc-name" class="input" bind:value={newName} placeholder="例如:物理教研组" />
     </div>
-    <div class="mb-3">
-      <label class="mb-1 block text-[11.5px] text-ink-3" for="g-desc">描述(可选)</label>
-      <textarea id="g-desc" rows="2" class="w-full rounded-lg border border-line bg-panel px-3 py-2 text-[13px] outline-none focus:border-accent" bind:value={newDesc} placeholder="一句话说明…"></textarea>
+    <div class="form-row">
+      <label class="form-label" for="gc-desc">描述(可选)</label>
+      <input id="gc-desc" class="input" bind:value={newDesc} placeholder="一句话说明" />
     </div>
     <div class="mt-4 flex justify-end gap-2">
-      <button class="rounded-lg border border-line bg-panel px-3.5 py-1.5 text-[12.5px] font-medium text-ink transition hover:bg-hover" onclick={() => (showCreate = false)}>取消</button>
-      <button class="rounded-lg bg-accent px-3.5 py-1.5 text-[12.5px] font-medium text-white transition hover:bg-accent-hover" onclick={createGroup}>创建</button>
+      <button class="btn" onclick={() => (showCreate = false)}>取消</button>
+      <button class="btn btn-primary" onclick={createGroup}>创建</button>
+    </div>
+  </Modal>
+{/if}
+
+{#if showRename && renameTarget !== null}
+  <Modal title="重命名 / 改描述" onclose={() => (showRename = false)}>
+    <div class="form-row">
+      <label class="form-label" for="gr-name">名称</label>
+      <input id="gr-name" class="input" bind:value={editName} />
+    </div>
+    <div class="form-row">
+      <label class="form-label" for="gr-desc">描述</label>
+      <input id="gr-desc" class="input" bind:value={editDesc} placeholder="留空则清除描述" />
+    </div>
+    <div class="mt-4 flex justify-end gap-2">
+      <button class="btn" onclick={() => (showRename = false)}>取消</button>
+      <button class="btn btn-primary" onclick={saveRename}>保存</button>
+    </div>
+  </Modal>
+{/if}
+
+{#if showAdd && selected !== null}
+  <Modal title={`向「${selected.name}」添加成员`} onclose={() => (showAdd = false)}>
+    <div class="form-row">
+      <label class="form-label" for="ga-q">搜索用户(姓名 / userId / 飞书 openId)</label>
+      <div class="flex gap-2">
+        <input
+          id="ga-q"
+          class="input"
+          bind:value={addQuery}
+          placeholder="留空列出全部候选"
+          onkeydown={(e) => {
+            if (e.key === "Enter") void searchUsers();
+          }}
+        />
+        <button class="btn" onclick={searchUsers}><Icon name="search" size={13} /> 搜索</button>
+      </div>
+      <div class="section-note mt-1.5">已在本组的成员不会出现在结果里。</div>
+    </div>
+
+    <div class="max-h-[280px] overflow-y-auto">
+      {#if addSearching}
+        <div class="quiet px-3 py-6 text-center">搜索中…</div>
+      {:else if addResults.length === 0}
+        <div class="quiet px-3 py-6 text-center">无候选用户 · 先点「搜索」</div>
+      {:else}
+        {#each addResults as u (u.userId)}
+          <div class="flex items-center gap-2.5 border-b border-line-soft py-2 last:border-b-0">
+            <Avatar displayName={u.displayName} userId={u.userId} avatarUrl={u.avatarUrl} size={26} />
+            <div class="min-w-0 flex-1">
+              <div class="truncate text-[13px] font-medium">{u.displayName || "(未命名)"}</div>
+              <div class="file-meta truncate">{u.feishuOpenId || u.userId}</div>
+            </div>
+            <button class="btn btn-sm" onclick={() => void addMember(u.userId)}>
+              <Icon name="plus" size={12} /> 添加
+            </button>
+          </div>
+        {/each}
+      {/if}
+    </div>
+
+    <div class="mt-4 flex justify-end gap-2">
+      <button class="btn" onclick={() => (showAdd = false)}>关闭</button>
     </div>
   </Modal>
 {/if}
diff --git a/hub/filelib-web/src/lib/types.ts b/hub/filelib-web/src/lib/types.ts
index 22e5179..f0bffd6 100644
--- a/hub/filelib-web/src/lib/types.ts
+++ b/hub/filelib-web/src/lib/types.ts
@@ -36,6 +36,9 @@ export interface NodeDetail {
 export interface MeResponse {
   readonly userId: string;
   readonly isWebsiteAdmin: boolean;
+  /** 侧栏身份区显示用;后端取不到 User 行时回落为 userId。 */
+  readonly displayName: string;
+  readonly avatarUrl: string | null;
 }
 
 export interface FileEntry {
@@ -92,9 +95,70 @@ export interface MemberGroupNode {
   readonly description: string | null;
   readonly depth: number;
   readonly memberCount: number;
+  /** 软删标记(ADR-0028 决策4)。null = 活跃;非 null = 已归档,不贡献任何权限。
+   *  仅在 ?includeArchived=1 时可能非 null。ISO 串(后端 JSON 序列化后不再是 Date)。 */
+  readonly archivedAt: string | null;
 }
 
 export interface MemberGroupMember {
   readonly userId: string;
   readonly displayName: string;
+  readonly feishuOpenId: string;
+  readonly avatarUrl: string | null;
+  /** 加入本组时间;ISO 串。 */
+  readonly joinedAt: string;
+}
+
+/** 节点授权(GET /database/api/nodes/:id/grants)。 */
+export interface Grant {
+  readonly id: string;
+  readonly principalType: "USER" | "GROUP";
+  readonly principalId: string;
+  readonly role: Role;
+  /** 创建者授权不可收回、不可改(契约 8.1)。 */
+  readonly isCreatorGrant: boolean;
+  readonly createdAt: string;
+}
+
+/** Group 选择器候选(GET /database/api/groups/search)。 */
+export interface MemberGroupSearchResult {
+  readonly id: string;
+  readonly name: string;
+  /** 祖先链(根在前,自身在末),用 " / " 连接。 */
+  readonly breadcrumb: string;
+}
+
+/** 成员选择器候选(GET /database/api/users/search)。 */
+export interface UserSearchResult {
+  readonly userId: string;
+  readonly displayName: string;
+  readonly feishuOpenId: string;
+  readonly avatarUrl: string | null;
+}
+
+/** 管理后台概览统计(GET /database/api/stats)。 */
+export interface DashboardStats {
+  readonly folders: number;
+  readonly projects: number;
+  readonly files: number;
+  readonly grants: number;
+  readonly recent: ReadonlyArray<{
+    readonly action: string;
+    readonly actor: string;
+    readonly label: string;
+    /** ISO 串;后端 JSON 序列化后不再是 Date。 */
+    readonly when: string;
+  }>;
+}
+
+/** org 成员(GET /api/org/:slug/members);用户管理面板消费。 */
+export type OrgRole = "OWNER" | "ADMIN" | "MEMBER";
+
+export interface OrgMember {
+  readonly userId: string;
+  readonly feishuOpenId: string;
+  readonly displayName: string;
+  readonly avatarUrl: string | null;
+  readonly role: OrgRole;
+  readonly createdAt: string;
 }