Show pubkey copy things

frontend/src/components/AdminInvoiceListItem.tsx

@@ -2,9 +2,9 @@ import { A } from "@solidjs/router"
 import { Show } from "solid-js"
 import { getProfilePicture } from "applesauce-core/helpers/profile"
 import { invoiceStatus, type Invoice } from "@/lib/api"
+import CopyNpub from "@/components/CopyNpub"
 import { useProfileMetadata } from "@/lib/hooks"
 import { formatPeriod, formatUsd } from "@/lib/format"
-import { shortenPubkey } from "@/lib/pubkey"
 
 const invoiceStatusStyles: Record<string, string> = {
   open: "bg-yellow-50 text-yellow-700 border-yellow-200",
@@ -45,7 +45,12 @@ export default function AdminInvoiceListItem(props: AdminInvoiceListItemProps) {
                 >
                   <img src={getProfilePicture(metadata())} alt="" class="h-5 w-5 flex-shrink-0 rounded-full object-cover" />
                 </Show>
-                <span class="text-xs text-gray-500 truncate">{(metadata()?.name || metadata()?.display_name) || shortenPubkey(props.invoice.tenant_pubkey)}</span>
+                <Show
+                  when={metadata()?.name || metadata()?.display_name}
+                  fallback={<CopyNpub pubkey={props.invoice.tenant_pubkey} class="text-xs text-gray-500" />}
+                >
+                  <span class="text-xs text-gray-500 truncate">{metadata()?.name || metadata()?.display_name}</span>
+                </Show>
               </div>
             </Show>
           </div>

frontend/src/components/AppShell.tsx

@@ -7,11 +7,8 @@ import { RELAY_DOMAIN } from "@/lib/subdomain"
 import serverIcon from "@/assets/server.svg"
 import Modal from "@/components/Modal"
 import BillingPrompts from "@/components/BillingPrompts"
-
-function shortenPubkey(pubkey?: string) {
-  if (!pubkey) return ""
-  return `${pubkey.slice(0, 8)}…${pubkey.slice(-6)}`
-}
+import CopyNpub from "@/components/CopyNpub"
+import { shortenNpub } from "@/lib/pubkey"
 
 function SearchIcon() {
   return (
@@ -43,7 +40,12 @@ export default function AppShell(props: { children?: any }) {
   const [searchQuery, setSearchQuery] = createSignal("")
   const [adminOpen, setAdminOpen] = createSignal(false)
 
-  const username = createMemo(() => metadata()?.name || metadata()?.display_name || shortenPubkey(account()?.pubkey))
+  const displayName = createMemo(() => metadata()?.name || metadata()?.display_name)
+  const username = createMemo(() => {
+    const pubkey = account()?.pubkey
+    return displayName() || (pubkey ? shortenNpub(pubkey) : "")
+  })
+  const initial = createMemo(() => (displayName() || account()?.pubkey || "?").slice(0, 1).toUpperCase())
   const nip05 = createMemo(() => metadata()?.nip05)
   const searchedRelays = createMemo<Relay[]>(() => {
     const list = tenantRelays() ?? []
@@ -110,14 +112,19 @@ export default function AppShell(props: { children?: any }) {
               when={picture()}
               fallback={
                 <div class="h-10 w-10 rounded-full bg-white/15 text-sm font-medium text-white flex items-center justify-center">
-                  {username().slice(0, 1).toUpperCase()}
+                  {initial()}
                 </div>
               }
             >
               <img src={picture()} alt="Profile" class="h-10 w-10 rounded-full object-cover" />
             </Show>
             <div class="min-w-0">
-              <p class="truncate text-sm font-medium text-white">{username()}</p>
+              <Show
+                when={displayName()}
+                fallback={<CopyNpub pubkey={account()?.pubkey ?? ""} class="text-sm font-medium text-white" />}
+              >
+                <p class="truncate text-sm font-medium text-white">{username()}</p>
+              </Show>
               <p class="truncate text-xs text-white/60">{nip05()}</p>
             </div>
           </A>
@@ -169,7 +176,7 @@ export default function AppShell(props: { children?: any }) {
           <A href="/account" aria-label="Account settings" class="rounded-full">
             <Show
               when={picture()}
-              fallback={<div class="h-9 w-9 rounded-full bg-gray-200 text-gray-600 flex items-center justify-center text-sm font-medium">{username().slice(0, 1).toUpperCase()}</div>}
+              fallback={<div class="h-9 w-9 rounded-full bg-gray-200 text-gray-600 flex items-center justify-center text-sm font-medium">{initial()}</div>}
             >
               <img src={picture()} alt="Profile" class="h-9 w-9 rounded-full object-cover" />
             </Show>

frontend/src/components/CopyNpub.tsx

@@ -0,0 +1,33 @@
+import { copyToClipboard } from "@/lib/clipboard"
+import { shortenNpub, toNpub } from "@/lib/pubkey"
+
+// Renders a pubkey as a shortened npub followed by a small copy button. The button
+// copies the full npub and toasts on success. The icon inherits the surrounding
+// text color (currentColor + opacity) so it reads on both light and dark
+// backgrounds, and the click stops propagation so it can sit inside links/cards
+// without triggering them. Pass `class` to style the npub text.
+export default function CopyNpub(props: { pubkey: string; class?: string }) {
+  const copy = (event: MouseEvent) => {
+    event.preventDefault()
+    event.stopPropagation()
+    void copyToClipboard(toNpub(props.pubkey), { successMessage: "npub copied to clipboard" })
+  }
+
+  return (
+    <span class="inline-flex items-center gap-1 min-w-0">
+      <span class={`truncate ${props.class ?? ""}`}>{shortenNpub(props.pubkey)}</span>
+      <button
+        type="button"
+        onClick={copy}
+        title="Copy npub"
+        aria-label="Copy npub"
+        class="shrink-0 opacity-60 transition-opacity hover:opacity-100"
+      >
+        <svg class="h-3.5 w-3.5" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+          <rect x="9" y="9" width="13" height="13" rx="2" />
+          <path d="M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1" />
+        </svg>
+      </button>
+    </span>
+  )
+}

frontend/src/components/InvoiceDetailCard.tsx

@@ -3,9 +3,9 @@ import { Show } from "solid-js"
 import { getProfilePicture } from "applesauce-core/helpers/profile"
 import { invoiceStatus, type Invoice } from "@/lib/api"
 import Field from "@/components/Field"
+import CopyNpub from "@/components/CopyNpub"
 import { useProfileMetadata } from "@/lib/hooks"
 import { formatPeriod, formatUsd } from "@/lib/format"
-import { shortenPubkey } from "@/lib/pubkey"
 
 const invoiceStatusStyles: Record<string, string> = {
   open: "bg-yellow-50 text-yellow-700 border-yellow-200",
@@ -59,7 +59,12 @@ export default function InvoiceDetailCard(props: InvoiceDetailCardProps) {
             >
               <img src={getProfilePicture(metadata())} alt="" class="h-5 w-5 flex-shrink-0 rounded-full object-cover" />
             </Show>
-            <span class="truncate text-blue-600 group-hover:underline">{(metadata()?.name || metadata()?.display_name) || shortenPubkey(props.invoice.tenant_pubkey)}</span>
+            <Show
+              when={metadata()?.name || metadata()?.display_name}
+              fallback={<CopyNpub pubkey={props.invoice.tenant_pubkey} class="text-blue-600 group-hover:underline" />}
+            >
+              <span class="truncate text-blue-600 group-hover:underline">{metadata()?.name || metadata()?.display_name}</span>
+            </Show>
           </A>
         </Field>
       </dl>

frontend/src/components/RelayListItem.tsx

@@ -3,8 +3,8 @@ import { Show } from "solid-js"
 import { getProfilePicture } from "applesauce-core/helpers/profile"
 import type { Relay } from "@/lib/api"
 import { PlanBadge, StatusBadge } from "@/components/relay/RelayCardHeader"
+import CopyNpub from "@/components/CopyNpub"
 import { useProfileMetadata } from "@/lib/hooks"
-import { shortenPubkey } from "@/lib/pubkey"
 import { RELAY_DOMAIN } from "@/lib/subdomain"
 
 type RelayListItemProps = {
@@ -38,7 +38,12 @@ export default function RelayListItem(props: RelayListItemProps) {
                 >
                   <img src={getProfilePicture(metadata())} alt="" class="h-5 w-5 flex-shrink-0 rounded-full object-cover" />
                 </Show>
-                <span class="text-xs text-gray-500 truncate">{(metadata()?.name || metadata()?.display_name) || shortenPubkey(props.relay.tenant_pubkey)}</span>
+                <Show
+                  when={metadata()?.name || metadata()?.display_name}
+                  fallback={<CopyNpub pubkey={props.relay.tenant_pubkey} class="text-xs text-gray-500" />}
+                >
+                  <span class="text-xs text-gray-500 truncate">{metadata()?.name || metadata()?.display_name}</span>
+                </Show>
               </div>
             </Show>
           </div>

frontend/src/components/relay/RelayCardHeader.tsx

@@ -3,7 +3,7 @@ import { Show, createEffect, createSignal, onCleanup } from "solid-js"
 import { getProfilePicture, type ProfileContent } from "applesauce-core/helpers/profile"
 import type { Relay } from "@/lib/api"
 import menuDotsIcon from "@/assets/menu-dots-2.svg"
-import { shortenPubkey } from "@/lib/pubkey"
+import CopyNpub from "@/components/CopyNpub"
 import { RELAY_DOMAIN } from "@/lib/subdomain"
 
 const STATUS_STYLES: Record<string, string> = {
@@ -113,7 +113,12 @@ export default function RelayCardHeader(props: RelayCardHeaderProps) {
                 >
                   <img src={getProfilePicture(metadata())} alt="" class="h-6 w-6 flex-shrink-0 rounded-full object-cover" />
                 </Show>
-                <span class="text-sm text-blue-600 group-hover:underline truncate">{(metadata()?.name || metadata()?.display_name) || shortenPubkey(r().tenant_pubkey)}</span>
+                <Show
+                  when={metadata()?.name || metadata()?.display_name}
+                  fallback={<CopyNpub pubkey={r().tenant_pubkey} class="text-sm text-blue-600 group-hover:underline" />}
+                >
+                  <span class="text-sm text-blue-600 group-hover:underline truncate">{metadata()?.name || metadata()?.display_name}</span>
+                </Show>
               </A>
             </Show>
             <Show when={r().info_description.trim()}>

frontend/src/lib/pubkey.ts

@@ -1,3 +1,19 @@
+import { npubEncode } from "applesauce-core/helpers/pointers"
+
 export function shortenPubkey(pubkey: string) {
   return pubkey.length <= 16 ? pubkey : `${pubkey.slice(0, 8)}...${pubkey.slice(-8)}`
 }
+
+// Encode a hex pubkey as an npub for display. Falls back to the raw input when it
+// isn't a valid pubkey, since npubEncode throws on malformed input.
+export function toNpub(pubkey: string) {
+  try {
+    return npubEncode(pubkey)
+  } catch {
+    return pubkey
+  }
+}
+
+export function shortenNpub(pubkey: string) {
+  return shortenPubkey(toNpub(pubkey))
+}

frontend/src/pages/admin/AdminTenantDetail.tsx

@@ -8,7 +8,8 @@ import AdminInvoiceListItem from "@/components/AdminInvoiceListItem"
 import ResourceState from "@/components/ResourceState"
 import useMinLoading from "@/lib/useMinLoading"
 import { useAdminTenant, useAdminTenantInvoices, useAdminTenantRelays, useProfileMetadata } from "@/lib/hooks"
-import { shortenPubkey } from "@/lib/pubkey"
+import CopyNpub from "@/components/CopyNpub"
+import { shortenNpub } from "@/lib/pubkey"
 
 export default function AdminTenantDetail() {
   const params = useParams()
@@ -40,8 +41,10 @@ export default function AdminTenantDetail() {
           <img src={getProfilePicture(metadata())} alt="Profile" class="h-14 w-14 flex-shrink-0 rounded-full object-cover" />
         </Show>
         <div class="min-w-0">
-          <h1 class="text-2xl font-bold text-gray-900 truncate">{(metadata()?.name || metadata()?.display_name) || shortenPubkey(tenantId())}</h1>
-          <p class="text-xs text-gray-500 break-all">{tenantId()}</p>
+          <h1 class="text-2xl font-bold text-gray-900 truncate">{(metadata()?.name || metadata()?.display_name) || shortenNpub(tenantId())}</h1>
+          <p class="mt-0.5">
+            <CopyNpub pubkey={tenantId()} class="text-xs text-gray-500" />
+          </p>
         </div>
       </div>
       <ResourceState loading={loading()} error={tenant.error || relays.error || invoices.error} loadingText="Loading tenant..." errorText="Failed to load tenant." class="mb-4" />

frontend/src/pages/admin/AdminTenantList.tsx

@@ -6,7 +6,8 @@ import ResourceState from "@/components/ResourceState"
 import SearchInput from "@/components/SearchInput"
 import useMinLoading from "@/lib/useMinLoading"
 import { useAdminTenants, useProfileMetadataMap } from "@/lib/hooks"
-import { shortenPubkey } from "@/lib/pubkey"
+import CopyNpub from "@/components/CopyNpub"
+import { shortenNpub } from "@/lib/pubkey"
 import { fuzzySearch } from "@/lib/search"
 
 export default function AdminTenantList() {
@@ -56,9 +57,11 @@ export default function AdminTenantList() {
                             <img src={getProfilePicture(profile())} alt="Profile" class="h-10 w-10 rounded-full object-cover" />
                           </Show>
                           <div class="min-w-0">
-                            <p class="font-medium text-gray-900 truncate">{profileName() || shortenPubkey(tenant.pubkey)}</p>
+                            <p class="font-medium text-gray-900 truncate">{profileName() || shortenNpub(tenant.pubkey)}</p>
+                            <p class="-mt-1">
+                              <CopyNpub pubkey={tenant.pubkey} class="text-xs text-gray-500" />
+                            </p>
                             <p class="mt-1 text-sm text-gray-600 line-clamp-2">{profile()?.about || "No profile bio"}</p>
-                            <p class="mt-1 text-xs text-gray-500 break-all">{tenant.pubkey}</p>
                           </div>
                         </div>
                         <span class={`inline-flex flex-shrink-0 items-center rounded-full border px-2.5 py-0.5 text-xs font-medium capitalize ${tenant.churned_at ? "bg-red-50 text-red-700 border-red-200" : "bg-green-50 text-green-700 border-green-200"}`}>