chore(filelib-web): 文件库权限名称汉化(VIEW/EDIT/MANAGE → 只读/可编辑/可管理)

统一走新增共享常量 labels.ts ROLE_LABEL(与 OverviewPanel 既有文案一致);
覆盖授权表格与弹窗下拉、详情头 tag、树节点角标;API 传参仍用英文枚举。

hub/filelib-web/src/lib/GrantsPanel.svelte

@@ -15,6 +15,7 @@
    */
   import { api } from "./api.js";
   import { toastOk, toastErr } from "./stores.js";
+  import { ROLE_LABEL } from "./labels.js";
   import type { Grant, MemberGroupSearchResult, NodeDetail, Role, UserSearchResult } from "./types.js";
   import Icon from "./Icon.svelte";
   import Modal from "./Modal.svelte";
@@ -199,7 +200,7 @@
   }
 
   async function revoke(g: Grant): Promise<void> {
-    if (!confirm(`删除「${g.principalName ?? g.principalId}」的 ${g.role} 授权?`)) return;
+    if (!confirm(`删除「${g.principalName ?? g.principalId}」的${ROLE_LABEL[g.role]}授权?`)) return;
     try {
       await api(`/database/api/nodes/${node.id}/grants/${encodeURIComponent(g.id)}`, {
         method: "DELETE",
@@ -275,11 +276,11 @@
                     onchange={(e) => void changeRole(g, e.currentTarget.value as Role)}
                   >
                     {#each ROLES as r (r)}
-                      <option value={r}>{r}</option>
+                      <option value={r}>{ROLE_LABEL[r]}</option>
                     {/each}
                   </select>
                 {:else}
-                  <span class="file-meta">{g.role}</span>
+                  <span class="file-meta">{ROLE_LABEL[g.role]}</span>
                 {/if}
               </td>
               <td class="file-meta">{fmtDate(g.createdAt)}</td>
@@ -351,7 +352,7 @@
       <label class="form-label" for="grant-role">权限</label>
       <select id="grant-role" class="select" bind:value={role}>
         {#each ROLES as r (r)}
-          <option value={r}>{r}</option>
+          <option value={r}>{ROLE_LABEL[r]}</option>
         {/each}
       </select>
     </div>