lib/kavacha/layers/layer0_whitelist.dart

import 'package:sqflite/sqflite.dart';
import '../../services/storage_service.dart';
import '../models/kavacha_models.dart';

class Layer0Whitelist implements KavachaLayer {
  final StorageService _storage = StorageService();

  @override
  Future<LayerResult> inspect(SmsContext ctx) async {
    final db = await _storage.database;
    final results = await db.query(
      'whitelist',
      where: 'sender = ?',
      whereArgs: [ctx.sender],
    );

    if (results.isNotEmpty) {
      return LayerResult.pass(); // Instant pass
    }

    return LayerResult.continueInspection();
  }
}