simulacion de estados y flujo de notificacion, modificacion de estilos en todas las vistas

recolecta_app/lib/features/admin/models/admin_incident.dart

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+// lib/features/admin/models/admin_incident.dart
+
+class AdminIncidentModel {
+  final String id;
+  final int unitId;
+  final String? routeId;
+  // Mapea a `incidents.category` en la base de datos.
+  final String type;
+  final String? description;
+  final String? driverName;
+  final String status; // open | in_review | resolved
+  final String? photoUrl;
+  final DateTime createdAt;
+
+  const AdminIncidentModel({
+    required this.id,
+    required this.unitId,
+    this.routeId,
+    required this.type,
+    this.description,
+    this.driverName,
+    this.status = 'open',
+    this.photoUrl,
+    required this.createdAt,
+  });
+
+  factory AdminIncidentModel.fromJson(Map<String, dynamic> json) =>
+      AdminIncidentModel(
+        // El id en DB es BIGSERIAL; el backend lo serializa como string,
+        // pero por defensa aceptamos number también.
+        id: json['id'].toString(),
+        unitId: (json['unit_id'] as num).toInt(),
+        routeId: json['route_id'] as String?,
+        type: (json['type'] as String?) ?? 'otro',
+        description: json['description'] as String?,
+        driverName: json['driver_name'] as String?,
+        status: (json['status'] as String?) ?? 'open',
+        photoUrl: json['photo_url'] as String?,
+        createdAt: DateTime.parse(json['created_at'] as String),
+      );
+
+  String get typeLabel {
+    switch (type) {
+      case 'derrame':
+        return 'Derrame';
+      case 'dano_propiedad':
+        return 'Daño a propiedad';
+      case 'conducta':
+        return 'Conducta';
+      case 'no_recoleccion':
+        return 'No recolección';
+      default:
+        return 'Otro';
+    }
+  }
+
+  String get statusLabel {
+    switch (status) {
+      case 'in_review':
+        return 'En revisión';
+      case 'resolved':
+        return 'Resuelta';
+      default:
+        return 'Abierta';
+    }
+  }
+}