Improve user-facing error messages for clarity

core/Extensions/Lwk.swift

@@ -17,18 +17,18 @@ extension LwkError {
         switch self {
         case .Generic(msg: let msg):
             return msg.replacingOccurrences(of: "BoltzApi(HTTP(\"\\\"", with: "").replacingOccurrences(of: "\\\"\"))", with: "")
-        case .PoisonError(msg: let msg):
-            return "Poison Error \(msg)"
+        case .PoisonError(msg: _):
+            return "An internal error occurred. Please try again or contact support."
         case .MagicRoutingHint(_, _, _):
-            return "Magic Routing Hint"
+            return "A routing error occurred. Please try again."
         case .SwapExpired(_, _):
-            return "Swap Expired"
+            return "This swap has expired. Please start a new one."
         case .NoBoltzUpdate:
-            return "No Boltz Update"
+            return "The swap service is not responding. Please try again later."
         case .ObjectConsumed:
-            return "Object Consumed"
-        case .BoltzBackendHttpError(status: let status, error: let error):
-            return "Http error \(status): \(error ?? "")"
+            return "An internal error occurred. Please restart the app and try again."
+        case .BoltzBackendHttpError(status: let status, error: _):
+            return "A server error occurred (code \(status)). Please try again later."
         }
     }
 }

gaios/Extensions/Error.swift

@@ -21,15 +21,15 @@ extension Error {
             case HWError.Abort(let txt), HWError.Declined(let txt):
                 return txt
             case HWError.Disconnected(_):
-                return "id_disconnect"
+                return "id_your_device_was_disconnected"
             case .URLError:
                 return "id_invalid_url"
             case .InvalidResponse:
-                return "Invalid Response"
+                return "id_invalid_response"
             case .NoNewFirmwareFound:
-                return "Firmware up to date"
+                return "id_firmware_up_to_date"
             case .Rebooted(_):
-                return "Device rebooted, waiting to reconnect"
+                return "id_device_rebooted_reconnecting"
             }
         }
         if let swError = self as? BleLedgerConnection.SWError {
@@ -50,7 +50,7 @@ extension Error {
             case LoginError.hostUnblindingDisabled(let txt):
                 return txt ?? "id_operation_failure"
             case LoginError.walletMismatch( _):
-                return "Wallet mismatch"
+                return "id_wallet_mismatch"
             case LoginError.walletsJustRestored(_):
                 return "id_wallet_already_restored"
             case LoginError.invalidMnemonic(_):
@@ -60,15 +60,15 @@ extension Error {
         if let gdkError = self as? GaError {
             switch gdkError {
             case GaError.NotAuthorizedError:
-                return "Not Authorized Error"
+                return "id_not_authorized"
             case GaError.GenericError(let txt):
                 return txt ?? "id_operation_failure"
             case .ReconnectError:
-                return "Reconnect Error"
+                return "id_reconnect_error"
             case .SessionLost:
-                return "Session Error"
+                return "id_session_expired"
             case .TimeoutError:
-                return "Timeout Error"
+                return "id_timeout"
             }
         }
         if let resolverError = self as? TwoFactorCallError {
@@ -90,28 +90,28 @@ extension Error {
             }
         }
         if let breezError = self as? BreezSDK.SdkError {
-            return breezError.description() ?? "Sdk error"
+            return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.SendOnchainError {
-            return breezError.description() ?? "Send onchain error"
+            return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.SendPaymentError {
-            return breezError.description() ?? "Send payment error"
+            return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.ReceiveOnchainError {
-            return breezError.description() ?? "Receive onchain error"
+            return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.ReceivePaymentError {
-            return breezError.description() ?? "Receive payment error"
+            return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.LnUrlPayError {
             return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.LnUrlAuthError {
-            return breezError.description() ?? "LN url auth error"
+            return breezError.description() ?? "id_operation_failure"
         }
         if let breezError = self as? BreezSDK.ConnectError {
-            return breezError.description() ?? "Connection error"
+            return breezError.description() ?? "id_connection_failed"
         }
         if let error = self as? LwkError {
             return error.description()

gaios/Sendflow/Flow/Error/SendFlowError.swift

@@ -22,19 +22,19 @@ enum SendFlowError: Error, Sendable, Equatable {
         case .invalidPaymentTarget:
             return "id_invalid_address"
         case .failedToBuildTransaction:
-            return "Failed to build transaction"
+            return "id_failed_to_build_transaction"
         case .wrongSubaccount:
             return "id_invalid_address"
         case .wrongAssetId(let ticker):
             return "Payment URI is for \(ticker)."
         case .insufficientFunds:
             return "id_insufficient_funds"
         case .invalidSession:
-            return "Invalid session"
+            return "id_invalid_session"
         case .generic(let msg):
             return msg.localized
         case .serviceUnavailable:
-            return "Service temporary unavailable"
+            return "id_service_temporarily_unavailable"
         case .gdkError(let msg):
             return msg.localized
         case .invalidAmount(let msg):