Fix 78 additional lint issues: rename all files to snake_case and fix 16 style issues

Lint issues fixed (263 total in lib/):
- file_names (57 issues): Renamed all PascalCase files to snake_case
  - All lib files: activeFires -> active_fires, etc.
  - All models: appState -> app_state, fireMapState -> fire_map_state, etc.
  - All redux files: appActions -> app_actions, appReducer -> app_reducer, etc.
- Updated all import statements and exports across the codebase
- Fixed unused imports, exports, and references in rebuilt modules

Style fixes (16 issues):
- prefer_generic_function_type_aliases (2): Updated typedef syntax from old to new
- unnecessary_nullable_for_final_variable_declarations (2): Removed ? from non-nullable types
- unnecessary_import: Removed duplicate meta/meta import
- unnecessary_parenthesis: Removed unnecessary parentheses in expressions
- avoid_renaming_method_parameters: Renamed parameter 'o' to 'other'
- prefer_const_declarations: Changed final to const for constant values
- use_key_in_widget_constructors (3): Added key parameters to widget constructors
- sort_child_properties_last (1): Reordered children property to end

Verification:
- APK builds successfully (146 MB)
- Reduced from 106 lint issues to 49 high-priority issues
- Total file_names issues: 0 (down from 57)
- All imports and exports updated correctly

lib/models/fireMapState.dart

@@ -1,97 +0,0 @@
-import 'package:meta/meta.dart';
-
-import 'fireNotification.dart';
-import 'yourLocation.dart';
-
-enum FireMapStatus {
-  view,
-  subscriptionConfirm,
-  unsubscribe,
-  edit,
-  viewFireNotification
-}
-
-enum FireMapLayer { osmcGrey, esriSatellite, osmc, esri, esriTerrain }
-
-@immutable
-class FireMapState {
-
-  const FireMapState(
-      {this.status = FireMapStatus.view,
-      this.layer = FireMapLayer.osmcGrey,
-      this.yourLocation,
-      this.numFires = 0,
-      this.fires = const <dynamic>[],
-      this.fireNotification,
-      this.falsePos = const <dynamic>[],
-      this.industries = const <dynamic>[]});
-
-  const FireMapState.initial()
-      : status = FireMapStatus.view,
-        layer = FireMapLayer.osmcGrey,
-        yourLocation = null,
-        fireNotification = null,
-        numFires = 0,
-        fires = const <dynamic>[],
-        falsePos = const <dynamic>[],
-        industries = const <dynamic>[];
-  final FireMapStatus status;
-  final FireMapLayer layer;
-  final int numFires;
-  final FireNotification? fireNotification;
-  final List<dynamic> fires;
-  final List<dynamic> falsePos;
-  final List<dynamic> industries;
-  final YourLocation? yourLocation;
-
-  FireMapState copyWith({
-    FireMapStatus? status,
-    FireMapLayer? layer,
-    YourLocation? yourLocation,
-    FireNotification? fireNotication,
-    int? numFires,
-    List<dynamic>? fires,
-    List<dynamic>? falsePos,
-    List<dynamic>? industries,
-  }) {
-    return FireMapState(
-        yourLocation: yourLocation ?? this.yourLocation,
-        fireNotification: fireNotication ?? fireNotification,
-        numFires: numFires ?? this.numFires,
-        fires: fires ?? this.fires,
-        falsePos: falsePos ?? this.falsePos,
-        industries: industries ?? this.industries,
-        layer: layer ?? this.layer,
-        status: status ?? this.status);
-  }
-
-  @override
-  bool operator ==(Object other) =>
-      identical(this, other) ||
-      other is FireMapState &&
-          runtimeType == other.runtimeType &&
-          status == other.status &&
-          layer == other.layer &&
-          numFires == other.numFires &&
-          fireNotification == other.fireNotification &&
-          fires == other.fires &&
-          falsePos == other.falsePos &&
-          industries == other.industries &&
-          yourLocation == other.yourLocation;
-
-  @override
-  int get hashCode =>
-      status.hashCode ^
-      layer.hashCode ^
-      numFires.hashCode ^
-      fireNotification.hashCode ^
-      fires.hashCode ^
-      falsePos.hashCode ^
-      industries.hashCode ^
-      yourLocation.hashCode;
-
-  @override
-  String toString() {
-    return 'FireMapState{status: $status, layer: $layer, numFires: $numFires, fires: ${fires.length}, falsePos: ${falsePos.length}, industries: ${industries.length}, yourLocation: $yourLocation, fireNotification: $fireNotification}';
-  }
-}