diff --git a/.agents/skills/flotilla-model/SKILL.md b/.agents/skills/flotilla-model/SKILL.md
index 58dff5e4..b859daa4 100644
--- a/.agents/skills/flotilla-model/SKILL.md
+++ b/.agents/skills/flotilla-model/SKILL.md
@@ -41,7 +41,7 @@ domain `Relay`. These fields drive protocol decisions:
 
 | Read | Decides |
 |---|---|
-| `hasNip(29)` | whether the space has rooms, read through `isGroupSpace(url)` / `deriveIsGroupSpace(url)` in `src/app/relays.ts`. Without it everything lives in the space chat (`makeSpaceChatPath`): `shareEvent` (`src/app/share.ts`), room search, notification grouping, `SpaceMenuNavItems`, `SpaceMenuRooms` |
+| `hasNip(29)` | whether the space has rooms, read through `spaceSupportsRooms(url)` / `deriveSpaceSupportsRooms(url)` in `src/app/relays.ts`. Without it everything lives in the space chat (`makeSpaceChatPath`): `shareEvent` (`src/app/share.ts`), room search, notification grouping, `SpaceMenuNavItems`, `SpaceMenuRooms` |
 | `hasNip(70)` | whether space content is marked protected (below) |
 | `self` | the relay's own pubkey, the trust anchor for relay-signed state |
 | `pubkey` | the space's owner, who writes space-wide content that has no other author (`deriveUserIsSpaceOwner`) |
diff --git a/src/app/components/SpaceMenuNavItems.svelte b/src/app/components/SpaceMenuNavItems.svelte
index 705462df..9a7d1d85 100644
--- a/src/app/components/SpaceMenuNavItems.svelte
+++ b/src/app/components/SpaceMenuNavItems.svelte
@@ -20,7 +20,7 @@
   import {events} from "@app/core"
   import {ENABLE_ZAPS} from "@app/env"
   import {CONTENT_KINDS} from "@app/content"
-  import {deriveIsGroupSpace} from "@app/relays"
+  import {deriveSpaceSupportsRooms} from "@app/relays"
   import {makeSpaceChatPath, makeSpacePath} from "@app/routes"
   import {allNotifications, notifications} from "@app/notifications"
   import {pushModal} from "@app/modal"
@@ -31,7 +31,7 @@
 
   const {url}: Props = $props()
 
-  const isGroupSpace = deriveIsGroupSpace(url)
+  const supportsRooms = deriveSpaceSupportsRooms(url)
   const chatPath = makeSpaceChatPath(url)
   const goalsPath = makeSpacePath(url, "goals")
   const threadsPath = makeSpacePath(url, "threads")
@@ -62,7 +62,7 @@
 <SecondaryNavItem href={makeSpacePath(url, "about")}>
   <Icon icon={Home} /> Space Details
 </SecondaryNavItem>
-{#if !$isGroupSpace}
+{#if !$supportsRooms}
   <SecondaryNavItem href={chatPath} notification={$notifications.has(chatPath)}>
     <Icon icon={ChatRound} /> Chat
   </SecondaryNavItem>
@@ -105,7 +105,7 @@
     <Icon icon={Revote} /> Polls
   </SecondaryNavItem>
 {/if}
-{#if $isGroupSpace}
+{#if $supportsRooms}
   <SecondaryNavItem onclick={openSearch}>
     <Icon icon={Magnifier} /> Search
   </SecondaryNavItem>
diff --git a/src/app/components/SpaceMenuRooms.svelte b/src/app/components/SpaceMenuRooms.svelte
index a2e1d93d..fba59ff4 100644
--- a/src/app/components/SpaceMenuRooms.svelte
+++ b/src/app/components/SpaceMenuRooms.svelte
@@ -9,7 +9,7 @@
   import SpaceMenuRoomItem from "@app/components/SpaceMenuRoomItem.svelte"
   import RoomCreate from "@app/components/RoomCreate.svelte"
   import {deriveUserCanCreateRoom} from "@app/management"
-  import {deriveIsGroupSpace} from "@app/relays"
+  import {deriveSpaceSupportsRooms} from "@app/relays"
   import {RoomType, deriveUserRooms, deriveOtherRooms, displayRoom} from "@app/rooms"
   import {pushModal} from "@app/modal"
 
@@ -20,7 +20,7 @@
 
   const {url, mobile = false}: Props = $props()
 
-  const isGroupSpace = deriveIsGroupSpace(url)
+  const supportsRooms = deriveSpaceSupportsRooms(url)
   const userRooms = deriveUserRooms(url)
   const otherRooms = deriveOtherRooms(url, RoomType.Text)
   const otherVoiceRooms = deriveOtherRooms(url, RoomType.Voice)
@@ -95,7 +95,7 @@
   {/if}
 {/snippet}
 
-{#if $isGroupSpace && ($userRooms.length > 0 || $otherRooms.length > 0 || $otherVoiceRooms.length > 0 || $canCreateRoom)}
+{#if $supportsRooms && ($userRooms.length > 0 || $otherRooms.length > 0 || $otherVoiceRooms.length > 0 || $canCreateRoom)}
   {#if mobile}
     <div class="card space-menu__card flex flex-col gap-1">
       {@render content()}
diff --git a/src/app/notifications.ts b/src/app/notifications.ts
index 88f8400e..2b7a17b2 100644
--- a/src/app/notifications.ts
+++ b/src/app/notifications.ts
@@ -26,7 +26,7 @@ import {CONTENT_KINDS, makeCommentFilter} from "@app/content"
 import {getIsMuted, userSettingsValues} from "@app/settings"
 import {Chats} from "@app/chats"
 import {dufflepud, DUFFLEPUD_URL} from "@app/env"
-import {isGroupSpace} from "@app/relays"
+import {spaceSupportsRooms} from "@app/relays"
 import {activeSpaceUrls} from "@app/rooms"
 import {getHttpAuthHeader} from "@app/signer"
 import {kv} from "@app/storage"
@@ -214,7 +214,7 @@ export const latestActivityByPath = derived(
       [
         activeSpaceUrls,
         fromApp($app => $app.use(Chats).index.$),
-        // Only here to recompute once a relay's NIP-11 says whether it's a group space
+        // Only here to recompute once a relay's NIP-11 says whether the space supports rooms
         fromApp($app => $app.use(Relays).index.$),
         fromApp(
           $app =>
@@ -240,7 +240,7 @@ export const latestActivityByPath = derived(
     for (const url of $activeSpaceUrls) {
       const events = sortEventsDesc((eventsByIdByUrl.get(url) || new Map()).values())
 
-      if (isGroupSpace(url)) {
+      if (spaceSupportsRooms(url)) {
         for (const [h, [event]] of groupBy(e => tagValue(tagSpec("h"), e.tags), events)) {
           // A muted room is left out entirely, so it can't light up its own badge or the space's
           if (h && !getIsMuted($settings, url, h)) {
diff --git a/src/app/relays.ts b/src/app/relays.ts
index 2997b8a3..d5440c9e 100644
--- a/src/app/relays.ts
+++ b/src/app/relays.ts
@@ -94,9 +94,9 @@ export const deriveSocketStatus = (url: string) =>
   )
 
 // A space that isn't a NIP-29 relay has no rooms, only one space-wide chat.
-export const isGroupSpace = (url: string) => Boolean(relays.get().get(url)?.hasNip(29))
+export const spaceSupportsRooms = (url: string) => Boolean(relays.get().get(url)?.hasNip(29))
 
-export const deriveIsGroupSpace = (url: string) =>
+export const deriveSpaceSupportsRooms = (url: string) =>
   derived(relays.get().one(url), $relay => Boolean($relay?.hasNip(29)))
 
 const livekitUrl = (url: string) =>
diff --git a/src/app/rooms.ts b/src/app/rooms.ts
index 2d5fc1ca..10c18143 100644
--- a/src/app/rooms.ts
+++ b/src/app/rooms.ts
@@ -22,7 +22,7 @@ import {
 } from "@app/core"
 import {PLATFORM_RELAYS} from "@app/env"
 import {allowPubkeys, deriveSpacePermissions, deriveUserIsSpaceStaff} from "@app/management"
-import {isGroupSpace} from "@app/relays"
+import {spaceSupportsRooms} from "@app/relays"
 import {makeRoomPath, makeSpaceChatPath} from "@app/routes"
 import {loadSendDelay} from "@app/settings"
 
@@ -300,7 +300,7 @@ export const deriveUserRoomSearch = () =>
       type Option = {url: string; h?: string; path: string; name: string; isFavorite: boolean}
 
       const options = $userSpaceUrls.flatMap((url): Option[] => {
-        if (isGroupSpace(url)) {
+        if (spaceSupportsRooms(url)) {
           const favorites = new Set($userRoomList?.roomsForUrl(url) ?? [])
 
           return ($roomsByUrl.get(url) ?? []).map(({h}) => ({
diff --git a/src/app/share.ts b/src/app/share.ts
index 1e7fbcd2..cafb57dd 100644
--- a/src/app/share.ts
+++ b/src/app/share.ts
@@ -6,7 +6,7 @@ import type {Maybe} from "@welshman/lib"
 import type {TrustedEvent} from "@welshman/util"
 import {app} from "@app/core"
 import {navigate, pushModal} from "@app/modal"
-import {isGroupSpace} from "@app/relays"
+import {spaceSupportsRooms} from "@app/relays"
 import {makeSpaceChatPath} from "@app/routes"
 import {pushToast} from "@app/toast"
 import ShareDialog from "@app/components/Share.svelte"
@@ -31,7 +31,7 @@ export const shareTo = async (
 }
 
 export const shareEvent = (url: string, noun: string, event: TrustedEvent) => {
-  if (isGroupSpace(url)) {
+  if (spaceSupportsRooms(url)) {
     pushModal(ShareEvent, {url, noun, event})
   } else {
     shareTo(makeSpaceChatPath(url), {type: "event", value: event})