jsonIndex<T extends Model> static method
Returns raw JSON records (no model instantiation).
Implementation
static Future<List<Map<String, dynamic>>> jsonIndex<T extends Model>() async {
final file = File("$_dir/${_getTableName<T>()}.json");
if (!await file.exists()) return [];
try {
final content = await file.readAsString();
if (content.trim().isEmpty) return [];
final List<dynamic> jsonList = jsonDecode(content);
return jsonList.cast<Map<String, dynamic>>();
} catch (e, stack) {
print('Error reading table file: $e\n$stack');
return [];
}
}