Explicitly list all Enum cases to get compile-time errors

bitchat/Noise/NoiseProtocol.swift

@@ -767,7 +767,7 @@ final class NoiseHandshakeState {
             let shared = try localStatic.sharedSecretFromKeyAgreement(with: remoteStatic)
             symmetricState.mixKey(shared.withUnsafeBytes { Data($0) })
             
-        default:
+        case .e, .s:
             break
         }
     }

bitchat/Services/BLEService.swift

@@ -728,7 +728,7 @@ final class BLEService: NSObject {
         switch MessageType(rawValue: type) {
         case .noiseEncrypted, .noiseHandshake:
             return true
-        default:
+        case .none, .announce, .message, .leave, .requestSync, .fragment, .fileTransfer:
             return false
         }
     }
@@ -1271,7 +1271,7 @@ final class BLEService: NSObject {
         case .leave:
             handleLeave(packet, from: PeerID(str: senderID))
             
-        default:
+        case .none:
             SecureLogger.warning("⚠️ Unknown message type: \(packet.type)", category: .session)
             break
         }
@@ -3536,7 +3536,7 @@ extension BLEService {
         case .leave:
             handleLeave(packet, from: senderID)
             
-        default:
+        case .none:
             SecureLogger.warning("⚠️ Unknown message type: \(packet.type)", category: .session)
             break
         }
@@ -3964,7 +3964,7 @@ extension BLEService {
                 notifyUI { [weak self] in
                     self?.delegate?.didReceiveNoisePayload(from: peerID, type: .verifyResponse, payload: Data(payloadData), timestamp: ts)
                 }
-            default:
+            case .none:
                 SecureLogger.warning("⚠️ Unknown noise payload type: \(payloadType)")
             }
         } catch NoiseEncryptionError.sessionNotEstablished {

bitchat/Services/LocationChannelManager.swift

@@ -64,7 +64,9 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         switch status {
         case .authorizedAlways, .authorizedWhenInUse, .authorized:
             break // will compute from location
-        default:
+        case .notDetermined, .restricted, .denied:
+            fallthrough
+        @unknown default:
             if case .location(let ch) = selectedChannel {
                 teleported = teleportedSet.contains(ch.geohash)
             }

bitchat/ViewModels/ChatViewModel.swift

@@ -1996,7 +1996,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
                     }
                     return false
                 }
-            default:
+            case .mesh:
                 break
             }
         }
@@ -3095,7 +3095,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
             switch sessionState {
             case .none, .failed:
                 meshService.triggerHandshake(with: peerID)
-            default:
+            case .handshakeQueued, .handshaking, .established:
                 break
             }
         } else {
@@ -3115,7 +3115,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
                         case .read, .delivered:
                             sentReadReceipts.insert(message.id)
                             privateChatManager.sentReadReceipts.insert(message.id)
-                        default:
+                        case .failed, .partiallyDelivered, .sending, .sent:
                             break
                         }
                     }
@@ -3345,7 +3345,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
                 case .established:
                     // Send the message directly without going through sendPrivateMessage to avoid local echo
                     messageRouter.sendPrivate(screenshotMessage, to: peerID, recipientNickname: peerNickname, messageID: UUID().uuidString)
-                default:
+                case  .none, .failed, .handshakeQueued, .handshaking:
                     // Don't send screenshot notification if no session exists
                     SecureLogger.debug("Skipping screenshot notification to \(peerID) - no established session", category: .security)
                 }
@@ -3608,7 +3608,7 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
                 nostrKeyMapping[convKey] = pub
                 return convKey
             }
-        default:
+        case .mesh:
             break
         }
         // Fallback to mesh nickname resolution
@@ -6709,7 +6709,7 @@ private func checkForMentions(_ message: BitchatMessage) {
                 let d = String(id.publicKeyHex.suffix(4))
                 tokens.append(nickname + "#" + d)
             }
-        default:
+        case .mesh:
             break
         }
         #endif

bitchat/Views/ContentView.swift

@@ -1646,7 +1646,7 @@ private extension ContentView {
                     isSending = true
                     progress = Double(reached) / Double(total)
                 }
-            default:
+            case .sent, .read, .delivered, .failed:
                 break
             }
         }

bitchat/Views/LocationChannelsSheet.swift

@@ -599,7 +599,7 @@ extension LocationChannelsSheet {
         switch level {
         case .region:
             return ""
-        default:
+        case .building, .block, .neighborhood, .city, .province:
             return "~"
         }
     }