From ea2f35ec2ebd52e3043fa8f04532eb68618e07f9 Mon Sep 17 00:00:00 2001
From: just_stuff_tm <133525672+just-stuff-tm@users.noreply.github.com>
Date: Mon, 23 Feb 2026 15:59:18 -0500
Subject: [PATCH] fix: keep los metadata on failure

---
 lib/services/line_of_sight_service.dart | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/services/line_of_sight_service.dart b/lib/services/line_of_sight_service.dart
index 61e9e27..7f056c8 100644
--- a/lib/services/line_of_sight_service.dart
+++ b/lib/services/line_of_sight_service.dart
@@ -50,13 +50,13 @@ class LineOfSightResult {
   const LineOfSightResult.error({
     required this.totalDistanceMeters,
     required this.errorMessage,
+    this.usedKFactor = 4.0 / 3.0,
+    this.frequencyMHz,
   }) : hasData = false,
        isClear = false,
        maxObstructionMeters = 0,
        firstObstructionDistanceMeters = null,
-       samples = const [],
-       usedKFactor = 4.0 / 3.0,
-       frequencyMHz = null;
+       samples = const [];
 }
 
 class LineOfSightPathSegment {
@@ -203,6 +203,8 @@ class LineOfSightService {
       return LineOfSightResult.error(
         totalDistanceMeters: totalDistanceMeters,
         errorMessage: errorElevationUnavailable,
+        usedKFactor: kFactor,
+        frequencyMHz: frequencyMHz,
       );
     }
 
@@ -227,9 +229,11 @@ class LineOfSightService {
     double obstructionToleranceMeters = 0.0,
   }) {
     if (points.length < 2 || elevations.length != points.length) {
-      return const LineOfSightResult.error(
+      return LineOfSightResult.error(
         totalDistanceMeters: 0,
         errorMessage: errorInvalidInput,
+        usedKFactor: kFactor,
+        frequencyMHz: frequencyMHz,
       );
     }