Retry profile notes fetch on empty result

If the first relay query returns no notes (common on cold start when
relays aren't connected yet), wait 3s and retry once before showing
the empty state.

src/components/profile/ProfileView.tsx

@@ -92,15 +92,26 @@ export function ProfileView() {
   const lud16 = profile?.lud16;
 
   useEffect(() => {
+    let cancelled = false;
     setLoading(true);
     setProfileTab("notes");
     setBannerLoaded(false);
     setBannerError(false);
     setWotExpanded(false);
-    fetchUserNotesNIP65(pubkey).then((events) => {
-      setNotes(events);
-      setLoading(false);
-    }).catch(() => setLoading(false));
+    fetchUserNotesNIP65(pubkey).then(async (events) => {
+      if (cancelled) return;
+      if (events.length === 0) {
+        // Relays may not be ready yet — retry once after a short delay
+        await new Promise((r) => setTimeout(r, 3000));
+        if (cancelled) return;
+        events = await fetchUserNotesNIP65(pubkey);
+      }
+      if (!cancelled) {
+        setNotes(events);
+        setLoading(false);
+      }
+    }).catch(() => { if (!cancelled) setLoading(false); });
+    return () => { cancelled = true; };
   }, [pubkey]);
 
   useEffect(() => {