UI: unread envelope uses orange; hasUnreadMessages checks Nostr conv key for peers with known Nostr pubkeys (geohash DM consistency)

bitchat/ViewModels/ChatViewModel.swift

@@ -935,6 +935,13 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             if unreadPrivateMessages.contains(noiseKeyHex) {
                 return true
             }
+            // Also check for geohash (Nostr) DM conv key if this peer has a known Nostr pubkey
+            if let nostrHex = peer.nostrPublicKey {
+                let convKey = "nostr_" + String(nostrHex.prefix(TransportConfig.nostrConvKeyPrefixLength))
+                if unreadPrivateMessages.contains(convKey) {
+                    return true
+                }
+            }
         }
         
         // Get the peer's nickname to check for temporary Nostr peer IDs

bitchat/Views/MeshPeerList.swift

@@ -119,7 +119,7 @@ struct MeshPeerList: View {
                         if !isMe, item.hasUnread {
                             Image(systemName: "envelope.fill")
                                 .font(.system(size: 10))
-                                .foregroundColor(.yellow)
+                                .foregroundColor(.orange)
                                 .help("New messages")
                         }