feat: prompt SpaceJoin when opening unjoined space via direct link

src/app/core/state.ts

@@ -772,6 +772,8 @@ export const getSpaceRoomsFromGroupList = (url: string, groupList: List | undefi
 
 export const userGroupList = makeUserData(groupListsByPubkey, loadGroupList)
 
+export const deriveUserGroupList = userGroupList
+
 export const loadUserGroupList = makeUserLoader(loadGroupList)
 
 export const userSpaceUrls = derived(userGroupList, getSpaceUrlsFromGroupList)

src/routes/spaces/[relay]/+layout.svelte

@@ -15,7 +15,12 @@
   import SpaceJoin from "@app/components/SpaceJoin.svelte"
   import {pushModal} from "@app/util/modal"
   import {makeSpacePath} from "@app/util/routes"
-  import {decodeRelay, userGroupList, relaysPendingTrust, userSpaceUrls} from "@app/core/state"
+  import {
+    decodeRelay,
+    deriveUserGroupList,
+    relaysPendingTrust,
+    userSpaceUrls,
+  } from "@app/core/state"
   import {deriveRelayAuthError} from "@app/core/commands"
 
   type Props = {
@@ -45,7 +50,7 @@
 
   // Direct links skip Discover — prompt to join when relay is not in the user's space list.
   const shouldPromptJoin = $derived.by(() => {
-    void $userGroupList
+    void $deriveUserGroupList
 
     return (
       Boolean($pubkey) &&