feat(ui): improve logged-in user profile resolution

- Add debug logging to track profile loading
- Show 'Loading profile...' while profile data is being fetched
- Better handling of profile loading states
- Ensures user sees proper name instead of pubkey when available

src/components/Bookmarks.tsx

@@ -75,6 +75,10 @@ const Bookmarks: React.FC<BookmarksProps> = ({ relayPool, onLogout }) => {
   const formatUserDisplay = () => {
     if (!activeAccount) return 'Unknown User'
 
+    // Debug profile loading
+    console.log('Profile data:', profile)
+    console.log('Active account pubkey:', activeAccount.pubkey)
+
     // Use profile data from ProfileModel if available
     if (profile?.name) {
       return profile.name
@@ -86,6 +90,11 @@ const Bookmarks: React.FC<BookmarksProps> = ({ relayPool, onLogout }) => {
       return profile.nip05
     }
 
+    // Show loading state while profile is being fetched
+    if (profile === undefined) {
+      return 'Loading profile...'
+    }
+
     // Fallback to formatted public key
     return `${activeAccount.pubkey.slice(0, 8)}...${activeAccount.pubkey.slice(-8)}`
   }