🧹 Resolve linter warnings and remove ignore comments

analysis_options.yaml

@@ -9,6 +9,10 @@
 # packages, and plugins designed to encourage good coding practices.
 include: package:flutter_lints/flutter.yaml
 
+analyzer:
+  exclude:
+    - "lib/l10n/**"
+
 linter:
   # The lint rules applied to this project can be customized in the
   # section below to disable rules from the `package:flutter_lints/flutter.yaml`

l10n.yaml

@@ -1,3 +1,4 @@
 arb-dir: lib/l10n
 template-arb-file: app_en.arb
 output-localization-file: app_localizations.dart
+header: ""

lib/services/family_circle_service.dart

@@ -165,13 +165,9 @@ class FamilyCircleService extends StateNotifier<FamilyCircleState> {
     // Ref is currently unused but kept in the constructor so future work
     // (FCM push, profile sync) can read other providers without changing the
     // call-site contract.
-    _ref = ref;
     _bootstrap();
   }
 
-  // ignore: unused_field
-  Ref? _ref;
-
   RealtimeChannel? _peerChannel;
   Timer? _publishTimer;
   StreamSubscription<Position>? _positionSub;

lib/services/webrtc_voice_call_service.dart

@@ -92,13 +92,10 @@ class VoiceCallState {
 /// behind symmetric NAT may fail. Acceptable for hackathon demo on WiFi /
 /// 4G with the same operator; production should add a Coturn TURN server.
 class WebRtcVoiceCallService extends StateNotifier<VoiceCallState> {
-  WebRtcVoiceCallService(this._ref) : super(const VoiceCallState()) {
+  WebRtcVoiceCallService(Ref ref) : super(const VoiceCallState()) {
     _bootstrap();
   }
 
-  // ignore: unused_field
-  final Ref _ref;
-
   RTCPeerConnection? _pc;
   MediaStream? _localStream;
   RealtimeChannel? _ringChannel;

lib/ui/first_aid_screen.dart

@@ -81,8 +81,7 @@ class _FirstAidScreenState extends ConsumerState<FirstAidScreen> {
         _result = res;
       });
       // Side-channel: keep FirstAidStore primed (used elsewhere) — best-effort.
-      // ignore: discarded_futures
-      FirstAidStore.getVerifiedAdvice(query);
+      unawaited(FirstAidStore.getVerifiedAdvice(query));
     } on Object {
       setState(() {
         _error = 'Could not load first-aid guidance on this device.';