addFile method
Add a file to context.
Implementation
Future<bool> addFile(String path, {int? maxLines}) async {
final file = File(path);
if (!await file.exists()) return false;
final content = await file.readAsString();
final lines = content.split('\n');
final truncated = maxLines != null && lines.length > maxLines
? '${lines.take(maxLines).join('\n')}\n[... ${lines.length - maxLines} more lines]'
: content;
return add(
FileContext(
path: path,
fileContent: truncated,
language: _detectLanguage(path),
),
);
}