fix: store in_reply_to on remote notes + use full handle in federation component links/actions

thoughts-frontend/components/federation/pending-requests.tsx

@@ -59,7 +59,7 @@ export function PendingRequests({ compact = false }: Props) {
           className="flex items-center justify-between gap-3"
         >
           <Link
-            href={`/users/@${actor.handle}`}
+            href={`/users/@${fullFediverseHandle(actor.handle, actor.url)}`}
             className="flex items-center gap-2 min-w-0 hover:opacity-80"
           >
             <UserAvatar

thoughts-frontend/components/federation/remote-followers.tsx

@@ -39,7 +39,7 @@ export function RemoteFollowers() {
       {followers.map((actor) => (
         <li key={actor.url} className="flex items-center justify-between gap-3">
           <Link
-            href={`/users/@${actor.handle}`}
+            href={`/users/@${fullFediverseHandle(actor.handle, actor.url)}`}
             className="flex items-center gap-2 min-w-0 hover:opacity-80"
           >
             <UserAvatar

thoughts-frontend/components/federation/remote-following.tsx

@@ -22,9 +22,10 @@ export function RemoteFollowing() {
       .finally(() => setLoading(false));
   }, [token]);
 
-  const unfollow = async (handle: string) => {
+  const unfollow = async (actor: RemoteActor) => {
     if (!token) return;
-    setFollowing((prev) => prev.filter((f) => f.handle !== handle));
+    const handle = fullFediverseHandle(actor.handle, actor.url);
+    setFollowing((prev) => prev.filter((f) => f.url !== actor.url));
     await unfollowRemoteActor(handle, token).catch(() => {
       toast.error("Failed to unfollow");
     });
@@ -39,7 +40,7 @@ export function RemoteFollowing() {
       {following.map((actor) => (
         <li key={actor.url} className="flex items-center justify-between gap-3">
           <Link
-            href={`/users/@${actor.handle}`}
+            href={`/users/@${fullFediverseHandle(actor.handle, actor.url)}`}
             className="flex items-center gap-2 min-w-0 hover:opacity-80"
           >
             <UserAvatar
@@ -59,7 +60,7 @@ export function RemoteFollowing() {
           <Button
             size="sm"
             variant="outline"
-            onClick={() => unfollow(actor.handle)}
+            onClick={() => unfollow(actor)}
           >
             Unfollow
           </Button>