Added Line Of Sight Feature for repeater placement, Added app wide Units Setting (#198)

* feat: add LOS workflow, global units, l10n cleanup, and mobile UI overflow fixes

Squashes prior PR commits into one changeset including: LOS map/service/tests, global metric/imperial unit system adoption, notification/BLE safety fixes, app-wide localization backfill/mojibake cleanup, and responsive UI title/overflow hardening.

* l10n: revert unrelated locale churn for LOS feature

* feat: keep LOS with app-wide unit settings

* fix: resolve post-merge app bar/import analyzer errors

* style: format screen files for CI

lib/screens/ble_debug_log_screen.dart

@@ -4,6 +4,7 @@ import 'package:flutter/services.dart';
 import '../l10n/l10n.dart';
 import '../services/ble_debug_log_service.dart';
 import '../connector/meshcore_protocol.dart';
+import '../widgets/adaptive_app_bar_title.dart';
 
 enum _BleLogView { frames, rawLogRx }
 
@@ -29,7 +30,7 @@ class _BleDebugLogScreenState extends State<BleDebugLogScreen> {
             : rawEntries.isNotEmpty;
         return Scaffold(
           appBar: AppBar(
-            title: Text(context.l10n.debugLog_bleTitle),
+            title: AdaptiveAppBarTitle(context.l10n.debugLog_bleTitle),
             actions: [
               IconButton(
                 tooltip: context.l10n.debugLog_copyLog,