diff --git a/src/app/components/EventMenu.svelte b/src/app/components/EventMenu.svelte
index 0527c34e..262ce96d 100644
--- a/src/app/components/EventMenu.svelte
+++ b/src/app/components/EventMenu.svelte
@@ -17,8 +17,12 @@
   import Report from "@app/components/Report.svelte"
   import EventShare from "@app/components/EventShare.svelte"
   import EventDeleteConfirm from "@app/components/EventDeleteConfirm.svelte"
-  import {hasNip29, deriveUserIsSpaceAdmin} from "@app/core/state"
-  import {hasPermission} from "@app/core/roles"
+  import {
+    deriveUserIsSpaceAdmin,
+    deriveHasPermission,
+    ROOM_PERMISSION_DELETE_EVENT,
+  } from "@app/core/roles"
+  import {hasNip29} from "@app/core/state"
   import {pushModal} from "@app/util/modal"
   import {pushToast} from "@app/util/toast"
   import {makeSpaceChatPath} from "@app/util/routes"
@@ -35,7 +39,9 @@
 
   const isRoot = event.kind !== COMMENT
   const h = getTagValue("h", event.tags)
-  const canDelete = h ? hasPermission(url, h, 9005) : deriveUserIsSpaceAdmin(url)
+  const canDelete = h
+    ? deriveHasPermission(url, h, ROOM_PERMISSION_DELETE_EVENT)
+    : deriveUserIsSpaceAdmin(url)
 
   const report = () => pushModal(Report, {url, event})
 
diff --git a/src/app/components/ProfileDetail.svelte b/src/app/components/ProfileDetail.svelte
index 50f214bd..5cf4a61d 100644
--- a/src/app/components/ProfileDetail.svelte
+++ b/src/app/components/ProfileDetail.svelte
@@ -31,7 +31,12 @@
   import ProfileBadges from "@app/components/ProfileBadges.svelte"
   import RoleBadge from "@app/components/RoleBadge.svelte"
   import {pubkeyLink, deriveSpaceBannedPubkeyItems} from "@app/core/state"
-  import {deriveUserHasSpacePermission, deriveSpaceMemberRoleInfo} from "@app/core/roles"
+  import {
+    deriveUserHasSpacePermission,
+    deriveSpaceMemberRoleInfo,
+    ROOM_PERMISSION_ADD_MEMBER,
+    ROOM_PERMISSION_BAN_USER,
+  } from "@app/core/roles"
   import {addSpaceMembers} from "@app/core/commands"
   import {pushModal} from "@app/util/modal"
   import {pushToast} from "@app/util/toast"
@@ -46,9 +51,11 @@
 
   const profile = deriveProfile(pubkey, removeUndefined([url]))
 
-  const canBan = url ? deriveUserHasSpacePermission(url, 9009) : readable(false)
+  const canBan = url ? deriveUserHasSpacePermission(url, ROOM_PERMISSION_BAN_USER) : readable(false)
 
-  const canRestore = url ? deriveUserHasSpacePermission(url, 9000) : readable(false)
+  const canRestore = url
+    ? deriveUserHasSpacePermission(url, ROOM_PERMISSION_ADD_MEMBER)
+    : readable(false)
 
   const bannedPubkeys = url ? deriveSpaceBannedPubkeyItems(url) : undefined
 
diff --git a/src/app/components/ReactionSummary.svelte b/src/app/components/ReactionSummary.svelte
index 812dc3d8..79e391c9 100644
--- a/src/app/components/ReactionSummary.svelte
+++ b/src/app/components/ReactionSummary.svelte
@@ -23,7 +23,8 @@
   import Icon from "@lib/components/Icon.svelte"
   import Reaction from "@app/components/Reaction.svelte"
   import ReportDetails from "@app/components/ReportDetails.svelte"
-  import {REACTION_KINDS, deriveUserIsSpaceAdmin} from "@app/core/state"
+  import {deriveUserIsSpaceAdmin} from "@app/core/roles"
+  import {REACTION_KINDS} from "@app/core/state"
   import {pushModal} from "@app/util/modal"
 
   interface Props {
diff --git a/src/app/components/ReportMenu.svelte b/src/app/components/ReportMenu.svelte
index 912aba64..261b8cd8 100644
--- a/src/app/components/ReportMenu.svelte
+++ b/src/app/components/ReportMenu.svelte
@@ -12,7 +12,7 @@
   import Popover from "@lib/components/Popover.svelte"
   import Button from "@lib/components/Button.svelte"
   import Confirm from "@lib/components/Confirm.svelte"
-  import {deriveUserIsSpaceAdmin} from "@app/core/state"
+  import {deriveUserIsSpaceAdmin} from "@app/core/roles"
   import {publishDelete, canEnforceNip70} from "@app/core/commands"
   import {pushToast} from "@app/util/toast"
   import {pushModal} from "@app/util/modal"
diff --git a/src/app/components/RoomDetail.svelte b/src/app/components/RoomDetail.svelte
index 784f144d..889d4bf1 100644
--- a/src/app/components/RoomDetail.svelte
+++ b/src/app/components/RoomDetail.svelte
@@ -1,5 +1,4 @@
 <script lang="ts">
-  import {sortBy} from "@welshman/lib"
   import {goto} from "$app/navigation"
   import type {RoomMeta} from "@welshman/util"
   import {displayRelayUrl, makeRoomMeta} from "@welshman/util"
@@ -33,11 +32,16 @@
   import RoomEdit from "@app/components/RoomEdit.svelte"
   import RoomName from "@app/components/RoomName.svelte"
   import RoomImage from "@app/components/RoomImage.svelte"
-  import {deriveRoomRoles, hasPermission} from "@app/core/roles"
+  import {
+    deriveRoomMembers,
+    deriveRoomRoles,
+    deriveUserIsRoomAdmin,
+    deriveHasPermission,
+    sortRolesDesc,
+    ROOM_PERMISSION_EDIT_META,
+  } from "@app/core/roles"
   import {
     deriveRoom,
-    deriveRoomMembers,
-    deriveUserIsRoomAdmin,
     deriveUserRoomMembershipStatus,
     deriveUserRooms,
     deriveShouldNotify,
@@ -63,7 +67,7 @@
   const members = deriveRoomMembers(url, h)
   const roomRoles = deriveRoomRoles(url, h)
   const userIsAdmin = deriveUserIsRoomAdmin(url, h)
-  const canEditMetadata = hasPermission(url, h, 9002)
+  const canEditMetadata = deriveHasPermission(url, h, ROOM_PERMISSION_EDIT_META)
   const membershipStatus = deriveUserRoomMembershipStatus(url, h)
   const userRooms = deriveUserRooms(url)
 
@@ -71,8 +75,7 @@
   const shouldNotify = deriveShouldNotify(url, h)
 
   const roleRows = $derived.by(() =>
-    sortBy(
-      role => -(role.order ?? -Infinity),
+    sortRolesDesc(
       Array.from($roomRoles.roles.values()).map(role => ({
         name: role.name,
         label: role.label,
diff --git a/src/app/components/RoomItemMenu.svelte b/src/app/components/RoomItemMenu.svelte
index e03e47c8..0d4f18eb 100644
--- a/src/app/components/RoomItemMenu.svelte
+++ b/src/app/components/RoomItemMenu.svelte
@@ -13,7 +13,7 @@
   import EventDeleteConfirm from "@app/components/EventDeleteConfirm.svelte"
   import {pushModal} from "@app/util/modal"
   import {pushToast} from "@app/util/toast"
-  import {deriveUserIsSpaceAdmin} from "@app/core/state"
+  import {deriveUserIsSpaceAdmin} from "@app/core/roles"
 
   type Props = {
     url: string
diff --git a/src/app/components/RoomMembers.svelte b/src/app/components/RoomMembers.svelte
index 2774cf4c..160256a7 100644
--- a/src/app/components/RoomMembers.svelte
+++ b/src/app/components/RoomMembers.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-  import {first, sortBy} from "@welshman/lib"
+  import {first, removeUndefined, sortBy} from "@welshman/lib"
   import {waitForThunkError, removeRoomMember} from "@welshman/app"
   import MenuDots from "@assets/icons/menu-dots.svg?dataurl"
   import MinusCircle from "@assets/icons/minus-circle.svg?dataurl"
@@ -21,8 +21,15 @@
   import RoomName from "@app/components/RoomName.svelte"
   import RoomMembersAdd from "@app/components/RoomMembersAdd.svelte"
   import type {RoomMember} from "@app/core/roles"
-  import {deriveRoom, deriveRoomMembers} from "@app/core/state"
-  import {deriveRoomRoles, hasPermission} from "@app/core/roles"
+  import {
+    deriveRoomMembers,
+    deriveRoomRoles,
+    deriveHasPermission,
+    sortRolesDesc,
+    ROOM_PERMISSION_ADD_MEMBER,
+    ROOM_PERMISSION_REMOVE_MEMBER,
+  } from "@app/core/roles"
+  import {deriveRoom} from "@app/core/state"
   import {pushModal} from "@app/util/modal"
   import {pushToast} from "@app/util/toast"
 
@@ -36,8 +43,8 @@
   const room = deriveRoom(url, h)
   const members = deriveRoomMembers(url, h)
   const roomRoles = deriveRoomRoles(url, h)
-  const canAddMembers = hasPermission(url, h, 9000)
-  const canRemoveMembers = hasPermission(url, h, 9001)
+  const canAddMembers = deriveHasPermission(url, h, ROOM_PERMISSION_ADD_MEMBER)
+  const canRemoveMembers = deriveHasPermission(url, h, ROOM_PERMISSION_REMOVE_MEMBER)
 
   const back = () => history.back()
 
@@ -52,8 +59,7 @@
   const getResolvedRoles = (member: RoomMember) =>
     removeUndefined(member.roles.map(roleName => $roomRoles.roles.get(roleName)))
 
-  const getPrimaryRole = (member: RoomMember) =>
-    first(sortBy(role => -(role.order ?? -Infinity), getResolvedRoles(member)))
+  const getPrimaryRole = (member: RoomMember) => first(sortRolesDesc(getResolvedRoles(member)))
 
   const memberGroups = $derived.by(() => {
     const byRole = new Map<
@@ -102,9 +108,6 @@
     return groups
   })
 
-  const removeUndefined = <T,>(items: Array<T | undefined>): T[] =>
-    items.filter((item): item is T => item !== undefined)
-
   const addMember = () => pushModal(RoomMembersAdd, {url, h})
 
   const removeMember = (pubkey: string) =>
diff --git a/src/app/components/SpaceDetail.svelte b/src/app/components/SpaceDetail.svelte
index c596e17e..3fa60553 100644
--- a/src/app/components/SpaceDetail.svelte
+++ b/src/app/components/SpaceDetail.svelte
@@ -18,7 +18,7 @@
   import SpaceRelayStatus from "@app/components/SpaceRelayStatus.svelte"
   import RelayDescription from "@app/components/RelayDescription.svelte"
   import ProfileLatest from "@app/components/ProfileLatest.svelte"
-  import {deriveUserHasSpacePermission} from "@app/core/roles"
+  import {deriveUserHasSpacePermission, ROOM_PERMISSION_EDIT_META} from "@app/core/roles"
   import {pushModal} from "@app/util/modal"
 
   type Props = {
@@ -28,7 +28,7 @@
   const {url}: Props = $props()
   const relay = deriveRelay(url)
   const owner = $derived($relay?.pubkey)
-  const canEdit = deriveUserHasSpacePermission(url, 9002)
+  const canEdit = deriveUserHasSpacePermission(url, ROOM_PERMISSION_EDIT_META)
 
   const back = () => history.back()
 
diff --git a/src/app/components/SpaceMembers.svelte b/src/app/components/SpaceMembers.svelte
index aecaef13..0e498920 100644
--- a/src/app/components/SpaceMembers.svelte
+++ b/src/app/components/SpaceMembers.svelte
@@ -29,7 +29,13 @@
     deriveSpaceBannedPubkeyItems,
     deriveSupportedMethods,
   } from "@app/core/state"
-  import {deriveSpaceMemberRoleInfo, deriveUserHasSpacePermission} from "@app/core/roles"
+  import {
+    deriveSpaceMemberRoleInfo,
+    deriveUserHasSpacePermission,
+    ROOM_PERMISSION_ADD_MEMBER,
+    ROOM_PERMISSION_REMOVE_MEMBER,
+    ROOM_PERMISSION_BAN_USER,
+  } from "@app/core/roles"
   import {pushModal} from "@app/util/modal"
   import {pushToast} from "@app/util/toast"
 
@@ -42,9 +48,9 @@
   const members = deriveSpaceMembers(url)
   const bans = deriveSpaceBannedPubkeyItems(url)
   const spaceMemberRoles = deriveSpaceMemberRoleInfo(url)
-  const canAddMember = deriveUserHasSpacePermission(url, 9000)
-  const canBanByPermission = deriveUserHasSpacePermission(url, 9009)
-  const canUnallowByPermission = deriveUserHasSpacePermission(url, 9001)
+  const canAddMember = deriveUserHasSpacePermission(url, ROOM_PERMISSION_ADD_MEMBER)
+  const canBanByPermission = deriveUserHasSpacePermission(url, ROOM_PERMISSION_BAN_USER)
+  const canUnallowByPermission = deriveUserHasSpacePermission(url, ROOM_PERMISSION_REMOVE_MEMBER)
   const supportedMethods = deriveSupportedMethods(url)
   const canBan = $derived(
     $canBanByPermission && $supportedMethods.includes(ManagementMethod.BanPubkey),
diff --git a/src/app/components/SpaceMenu.svelte b/src/app/components/SpaceMenu.svelte
index c32c4e28..60a7e045 100644
--- a/src/app/components/SpaceMenu.svelte
+++ b/src/app/components/SpaceMenu.svelte
@@ -40,6 +40,7 @@
   import SpaceMenuRoomItem from "@app/components/SpaceMenuRoomItem.svelte"
   import VoiceWidget from "@app/components/VoiceWidget.svelte"
   import SocketStatusIndicator from "@app/components/SocketStatusIndicator.svelte"
+  import {deriveUserIsSpaceAdmin} from "@app/core/roles"
   import {
     ENABLE_ZAPS,
     CONTENT_KINDS,
@@ -50,7 +51,6 @@
     userSpaceUrls,
     hasNip29,
     deriveUserCanCreateRoom,
-    deriveUserIsSpaceAdmin,
     deriveEventsForUrl,
     deriveSpaceActionItems,
     notificationSettings,
diff --git a/src/app/core/roles.ts b/src/app/core/roles.ts
index 17c457cd..8a1c26ce 100644
--- a/src/app/core/roles.ts
+++ b/src/app/core/roles.ts
@@ -1,13 +1,35 @@
 import {derived, readable} from "svelte/store"
-import {first, memoize, simpleCache, sortBy, uniq} from "@welshman/lib"
+import {first, memoize, removeUndefined, simpleCache, sortBy, uniq} from "@welshman/lib"
 import {deriveArray, deriveEventsByIdForUrl} from "@welshman/store"
-import {pubkey, repository, tracker, manageRelay} from "@welshman/app"
-import {ManagementMethod, ROOM_ADMINS, ROOM_MEMBERS, getTagValue, isRelayUrl} from "@welshman/util"
+import {pubkey, repository, tracker} from "@welshman/app"
+import {
+  ROOM_ADD_MEMBER,
+  ROOM_REMOVE_MEMBER,
+  ROOM_EDIT_META,
+  ROOM_DELETE_EVENT,
+  ROOM_ADMINS,
+  ROOM_MEMBERS,
+  getTagValue,
+  isRelayUrl,
+} from "@welshman/util"
 import type {Filter, TrustedEvent} from "@welshman/util"
+import {deriveSupportedMethods} from "@app/core/state"
 
 export const ROOM_ROLES = 39003
 
-const ALL_ROOM_PERMISSIONS = [9000, 9001, 9002, 9005, 9009]
+export const ROOM_PERMISSION_ADD_MEMBER = ROOM_ADD_MEMBER
+export const ROOM_PERMISSION_REMOVE_MEMBER = ROOM_REMOVE_MEMBER
+export const ROOM_PERMISSION_EDIT_META = ROOM_EDIT_META
+export const ROOM_PERMISSION_DELETE_EVENT = ROOM_DELETE_EVENT
+export const ROOM_PERMISSION_BAN_USER = 9009
+
+const ALL_ROOM_PERMISSIONS = [
+  ROOM_PERMISSION_ADD_MEMBER,
+  ROOM_PERMISSION_REMOVE_MEMBER,
+  ROOM_PERMISSION_EDIT_META,
+  ROOM_PERMISSION_DELETE_EVENT,
+  ROOM_PERMISSION_BAN_USER,
+]
 
 export type RoleAccess = "read" | "write" | "join"
 
@@ -250,11 +272,10 @@ const getMember = (members: RoomMember[], targetPubkey: string) =>
 const getResolvedRoles = (rolesByName: Map<string, RoleDefinition>, roleNames: string[]) =>
   removeUndefined(roleNames.map(name => rolesByName.get(name)))
 
-const getPrimaryRole = (roles: RoleDefinition[]) =>
-  first(sortBy(role => -(role.order ?? -Infinity), roles))
+export const sortRolesDesc = <T extends {order?: number}>(items: T[]) =>
+  sortBy(item => -(item.order ?? -Infinity), items)
 
-const removeUndefined = <T>(items: Array<T | undefined>): T[] =>
-  items.filter((item): item is T => item !== undefined)
+const getPrimaryRole = (roles: RoleDefinition[]) => first(sortRolesDesc(roles))
 
 const deriveRoomRoleAssignments = simpleCache(([url, h]: [string, string]) =>
   derived(
@@ -309,18 +330,6 @@ export const deriveUserPermissions = (url: string, h: string) =>
     },
   )
 
-const deriveNip86SpaceAdmin = simpleCache(([url]: [string]) =>
-  readable(false, set => {
-    manageRelay(url, {method: ManagementMethod.SupportedMethods, params: []})
-      .then(({result = []}) => {
-        set(Boolean(result.length))
-      })
-      .catch(() => {
-        set(false)
-      })
-  }),
-)
-
 const buildRoomSnapshots = (events: TrustedEvent[]) => {
   const latestByH = new Map<
     string,
@@ -457,13 +466,13 @@ export const deriveUserIsSpaceAdmin = memoize((url?: string) => {
   }
 
   return derived(
-    [deriveSpaceRoleState(url), deriveNip86SpaceAdmin(url)],
-    ([$spaceRoleState, $nip86Admin]) => {
+    [deriveSpaceRoleState(url), deriveSupportedMethods(url)],
+    ([$spaceRoleState, $supportedMethods]) => {
       if ($spaceRoleState.hasPermissionTags) {
         return $spaceRoleState.userPermissions.size > 0
       }
 
-      return $nip86Admin
+      return $supportedMethods.length > 0
     },
   )
 })
@@ -501,7 +510,7 @@ export const deriveUserIsRoomAdmin = (url: string, h: string) =>
     ([$permissions, $isSpaceAdmin]) => $isSpaceAdmin || $permissions.size > 0,
   )
 
-export const hasPermission = (url: string, h: string, kind: number) =>
+export const deriveHasPermission = (url: string, h: string, kind: number) =>
   derived(
     [deriveUserPermissions(url, h), deriveUserIsSpaceAdmin(url)],
     ([$permissions, $isSpaceAdmin]) => $isSpaceAdmin || $permissions.has(kind),
@@ -526,7 +535,7 @@ export const deriveSpaceMemberRoleInfo = (url: string) =>
     const roleInfoByPubkey = new Map<string, SpaceMemberRoleInfo>()
 
     for (const [pubkey, roles] of $spaceRoleState.memberRoles.entries()) {
-      const sortedRoles = sortBy(role => -(role.order ?? -Infinity), roles)
+      const sortedRoles = sortRolesDesc(roles)
       const primaryRole = first(sortedRoles)
 
       roleInfoByPubkey.set(pubkey, {
diff --git a/src/app/core/state.ts b/src/app/core/state.ts
index 4ce0bd18..b27f30e2 100644
--- a/src/app/core/state.ts
+++ b/src/app/core/state.ts
@@ -152,11 +152,14 @@ import {checkRelayHasLivekit} from "$lib/livekit"
 import {readFeed} from "@lib/feeds"
 import {
   parseRoomMembers,
-  deriveRoomMembers as deriveRoomMembersByRole,
-  deriveRoomAdmins as deriveRoomAdminsByRole,
-  deriveUserIsSpaceAdmin as deriveUserIsSpaceAdminByRole,
-  deriveUserIsRoomAdmin as deriveUserIsRoomAdminByRole,
+  deriveRoomMembers,
+  deriveUserIsSpaceAdmin,
+  deriveUserIsRoomAdmin,
   deriveUserSpacePermissions,
+  ROOM_PERMISSION_ADD_MEMBER,
+  ROOM_PERMISSION_REMOVE_MEMBER,
+  ROOM_PERMISSION_DELETE_EVENT,
+  ROOM_PERMISSION_BAN_USER,
 } from "@app/core/roles"
 import type {RoomMember} from "@app/core/roles"
 
@@ -820,8 +823,6 @@ export const deriveSpaceMembers = (url: string) =>
     uniq(getTagValues("member", event?.tags ?? [])),
   )
 
-export const deriveRoomMembers = deriveRoomMembersByRole
-
 export type BannedPubkeyItem = {
   pubkey: string
   reason: string
@@ -840,8 +841,6 @@ export const deriveSpaceBannedPubkeyItems = (url: string) => {
   return store
 }
 
-export const deriveRoomAdmins = deriveRoomAdminsByRole
-
 const getRoomMembers = (_url: string, h: string, events: TrustedEvent[]) => {
   const members = new Set<string>()
 
@@ -901,11 +900,12 @@ export const deriveSpaceActionItems = (url: string) =>
         getTagValue(e.kind === ROOM_MEMBERS ? "d" : "h", e.tags)
       const reports = $events.filter(e => e.kind === REPORT)
       const pendingJoins: TrustedEvent[] = []
-      const canReviewReports = $permissions.has(9005) || $permissions.size === 0
+      const canReviewReports =
+        $permissions.has(ROOM_PERMISSION_DELETE_EVENT) || $permissions.size === 0
       const canReviewJoins =
-        $permissions.has(9000) ||
-        $permissions.has(9001) ||
-        $permissions.has(9009) ||
+        $permissions.has(ROOM_PERMISSION_ADD_MEMBER) ||
+        $permissions.has(ROOM_PERMISSION_REMOVE_MEMBER) ||
+        $permissions.has(ROOM_PERMISSION_BAN_USER) ||
         $permissions.size === 0
 
       // Room-level join requests — most recent per pubkey+h
@@ -978,8 +978,6 @@ export enum MembershipStatus {
   Granted,
 }
 
-export const deriveUserIsSpaceAdmin = deriveUserIsSpaceAdminByRole
-
 export const deriveUserSpaceMembershipStatus = (url: string) => {
   // Fetch member list and user add/remove events directly in this derivation.
   const memberListFilters: Filter[] = [{kinds: [RELAY_MEMBERS]}]
@@ -1042,8 +1040,6 @@ export const deriveUserSpaceMembershipStatus = (url: string) => {
   )
 }
 
-export const deriveUserIsRoomAdmin = deriveUserIsRoomAdminByRole
-
 export const deriveUserRoomMembershipStatus = (url: string, h: string) => {
   // Fetch the room member list and the current user's add/remove events.
   const userEventFilters: Filter[] = [{kinds: [ROOM_ADD_MEMBER, ROOM_REMOVE_MEMBER], "#h": [h]}]